Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.519674E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:57:39+0800
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    1 Object 1

    AOE ID 57974
    NORAD ID 57974
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59339
    NORAD ID 59339
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30489 STARLINK-31473
    Time of Closest Approach 2026-10-29T17:21:59+0000
    Collision Probability (Pc) 1.519674E-6
    Conjunction Distance (km) 2.385 km
    Relative Speed (km/s) 10.029 km/s
    Conjunction Risk Parameters R (Radial): -0.376 | I (In-track): 1.778 | C (Cross-track): 1.545
    Collision Risk Index (CRI) 0.39
    X Position (km) 2248.352 2250.445
    Position Y (km) -6266.917 -6265.776
    Position Z (km) -1656.545 -1656.459
    Velocity X (km/s) 4.998 5.814
    Velocity Y (km/s) 3.079 0.802
    Velocity Z (km/s) -4.865 4.868

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30489 STARLINK-31473
    Semimajor Axis (a) 6860.092 km 6861.177 km
    Eccentricity (e) 0.000489 0.000535
    Inclination (i) 43.0012° 43.0250°
    RAAN 108.5015° 320.3477°
    Perigee Argument 279.5062° 263.8223°
    Mean Anomaly (M) 80.5237° 96.2020°
    Apogee 485.309 km 486.711 km
    Perigee 478.601 km 479.369 km
    Orbit Epoch 2026-10-27T04:52:44+0000 2026-10-27T01:07:01+0000

    STARLINK-30489 & STARLINK-31473 Collision Probability (Pc) Trend

    STARLINK-30489 & STARLINK-31473 Collision Probability (Pc) TrendNot Available

    STARLINK-30489 & STARLINK-31473 Miss Distance (Miss Distance) Trend

    STARLINK-30489 & STARLINK-31473 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30489Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31473Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30489Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31473Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30489

    No nearby objects data