Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.890881E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:52:52+0800
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    1 Object 1

    AOE ID 53547
    NORAD ID 53547
    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-4474 STARLINK-37521
    Time of Closest Approach 2026-10-22T07:07:36+0000
    Collision Probability (Pc) 4.890881E-6
    Conjunction Distance (km) 1.442 km
    Relative Speed (km/s) 7.682 km/s
    Conjunction Risk Parameters R (Radial): -1.212 | I (In-track): -0.671 | C (Cross-track): 0.395
    Collision Risk Index (CRI) 0.49
    X Position (km) 2791.953 2792.09
    Position Y (km) 3848.279 3847.141
    Position Z (km) -4927.352 -4926.477
    Velocity X (km/s) -3.708 -6.954
    Velocity Y (km/s) 6.104 1.633
    Velocity Z (km/s) 2.668 -2.669

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4474 STARLINK-37521
    Semimajor Axis (a) 6840.872 km 6840.866 km
    Eccentricity (e) 0.000251 0.000146
    Inclination (i) 53.1565° 53.1549°
    RAAN 117.7724° 193.2901°
    Perigee Argument 88.9240° 85.7059°
    Mean Anomaly (M) 271.2049° 274.4109°
    Apogee 464.451 km 463.725 km
    Perigee 461.019 km 461.733 km
    Orbit Epoch 2026-10-19T13:44:54+0000 2026-10-20T02:28:58+0000

    STARLINK-4474 & STARLINK-37521 Collision Probability (Pc) Trend

    STARLINK-4474 & STARLINK-37521 Collision Probability (Pc) TrendNot Available

    STARLINK-4474 & STARLINK-37521 Miss Distance (Miss Distance) Trend

    STARLINK-4474 & STARLINK-37521 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4474Miss 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-4474Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37521Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4474

    No nearby objects data