Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.130113E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:12:56+0800
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    1 Object 1

    AOE ID 53419
    NORAD ID 53419
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69822
    NORAD ID 69822
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4476 STARLINK-37521
    Time of Closest Approach 2026-09-14T13:17:42+0000
    Collision Probability (Pc) 1.130113E-4
    Conjunction Distance (km) 0.42 km
    Relative Speed (km/s) 2.504 km/s
    Conjunction Risk Parameters R (Radial): -0.298 | I (In-track): -0.291 | C (Cross-track): -0.048
    Collision Risk Index (CRI) 0.76
    X Position (km) 887.477 887.726
    Position Y (km) 4058.874 4058.634
    Position Z (km) 5424.714 5424.476
    Velocity X (km/s) -7.149 -7.574
    Velocity Y (km/s) 2.582 0.639
    Velocity Z (km/s) -0.76 0.76

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4476 STARLINK-37521
    Semimajor Axis (a) 6840.854 km 6840.759 km
    Eccentricity (e) 0.000125 0.000099
    Inclination (i) 53.1620° 53.1611°
    RAAN 349.3305° 13.2487°
    Perigee Argument 80.5493° 79.6548°
    Mean Anomaly (M) 279.5652° 280.4567°
    Apogee 463.576 km 463.302 km
    Perigee 461.858 km 461.942 km
    Orbit Epoch 2026-09-11T16:05:25+0000 2026-09-11T14:35:36+0000

    STARLINK-4476 & STARLINK-37521 Collision Probability (Pc) Trend

    STARLINK-4476 & STARLINK-37521 Collision Probability (Pc) TrendNot Available

    STARLINK-4476 & STARLINK-37521 Miss Distance (Miss Distance) Trend

    STARLINK-4476 & STARLINK-37521 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4476Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37521Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4476Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37521Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4476

    No nearby objects data