Body Approaches

{
  "approaches": [
    {
      "absoluteMagnitudeH": 19.09,
      "approachTdb": "2029-Apr-13 21:46",
      "daysFromNow": 915.5,
      "designation": "99942",
      "distanceAu": 0.000254090910419299,
      "distanceKm": 38011,
      "distanceLunar": 0.1,
      "distanceMaxAu": 0.000254112821017663,
      "distanceMinAu": 0.000254068999976389,
      "estimatedDiameterM": {
        "largest": 904,
        "smallest": 404,
        "typical": 540
      },
      "name": "99942 Apophis (2004 MN4)",
      "relativeSpeedKmS": 7.42,
      "timeUncertainty": "< 00:01"
    }
  ],
  "asOf": "2026-10-11T08:41:42.262Z",
  "closest": {
    "approachTdb": "2029-Apr-13 21:46",
    "distanceKm": 38011,
    "distanceLunar": 0.1
  },
  "degraded": false,
  "designation": "99942",
  "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
  "from": "2025-01-01",
  "maxDistanceLD": 20,
  "nextApproach": {
    "absoluteMagnitudeH": 19.09,
    "approachTdb": "2029-Apr-13 21:46",
    "daysFromNow": 915.5,
    "designation": "99942",
    "distanceAu": 0.000254090910419299,
    "distanceKm": 38011,
    "distanceLunar": 0.1,
    "distanceMaxAu": 0.000254112821017663,
    "distanceMinAu": 0.000254068999976389,
    "estimatedDiameterM": {
      "largest": 904,
      "smallest": 404,
      "typical": 540
    },
    "name": "99942 Apophis (2004 MN4)",
    "relativeSpeedKmS": 7.42,
    "timeUncertainty": "< 00:01"
  },
  "notChecked": [
    "passes beyond the distance limit or outside the date range",
    "orbit uncertainty: far-future dates carry large miss-distance uncertainty (see distanceMinAu and distanceMaxAu)",
    "…2 more"
  ],
  "reasons": [
    "Future miss distances are computed from the current orbit and carry uncertainty: compare distanceMinAu and distanceMaxAu.",
    "All matches are listed."
  ],
  "returned": 1,
  "source": "NASA JPL Solar System Dynamics",
  "sourceUrl": "https://ssd-api.jpl.nasa.gov",
  "summary": "99942 Apophis (2004 MN4): 1 close approach(es) within 20 lunar distances from 2025-01-01 to 2035-12-31. Closest listed: 0.1 lunar distances on 2029-Apr-13 21:46. Next listed: 2029-Apr-13 21:46 at 0.1 …",
  "to": "2035-12-31",
  "totalMatches": 1,
  "verdict": "APPROACHES_LISTED"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://space-objects.x402tookit.com/body-approaches?designation=99942&from=2025-01-01&maxDistanceLD=20&to=2035-12-31'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://space-objects.x402tookit.com/body-approaches?designation=99942&from=2025-01-01&maxDistanceLD=20&to=2035-12-31' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fspace-objects.x402tookit.com%2Fbody-approaches
const res = await pay("https://space-objects.x402tookit.com/body-approaches?designation=99942&from=2025-01-01&maxDistanceLD=20&to=2035-12-31");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://space-objects.x402tookit.com/body-approaches?designation=99942&from=2025-01-01&maxDistanceLD=20&to=2035-12-31")
    print(res.status_code, res.text)