Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.32691E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T22:22:07+0800
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    1 Object 1

    AOE ID 52856
    NORAD ID 52856
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66891
    NORAD ID 66891
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4201 STARLINK-35855
    Time of Closest Approach 2026-10-22T08:08:21+0000
    Collision Probability (Pc) 4.32691E-6
    Conjunction Distance (km) 1.187 km
    Relative Speed (km/s) 2.351 km/s
    Conjunction Risk Parameters R (Radial): 0.323 | I (In-track): 1.129 | C (Cross-track): 0.178
    Collision Risk Index (CRI) 0.48
    X Position (km) -3522.759 -3521.991
    Position Y (km) 2190.272 2191.139
    Position Z (km) 5429.825 5429.567
    Velocity X (km/s) -3.19 -4.779
    Velocity Y (km/s) -6.904 -5.917
    Velocity Z (km/s) 0.713 -0.71

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4201 STARLINK-35855
    Semimajor Axis (a) 6840.867 km 6840.760 km
    Eccentricity (e) 0.000113 0.000097
    Inclination (i) 53.1617° 53.1569°
    RAAN 79.6531° 59.6365°
    Perigee Argument 88.4993° 73.1375°
    Mean Anomaly (M) 271.6139° 286.9733°
    Apogee 463.506 km 463.286 km
    Perigee 461.954 km 461.960 km
    Orbit Epoch 2026-10-20T02:37:38+0000 2026-10-19T15:37:49+0000

    STARLINK-4201 & STARLINK-35855 Collision Probability (Pc) Trend

    STARLINK-4201 & STARLINK-35855 Collision Probability (Pc) TrendNot Available

    STARLINK-4201 & STARLINK-35855 Miss Distance (Miss Distance) Trend

    STARLINK-4201 & STARLINK-35855 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4201Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35855Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4201Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35855Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4201

    No nearby objects data