Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.1102E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T20:17:28+0800
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    1 Object 1

    AOE ID 52640
    NORAD ID 52640
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54169
    NORAD ID 54169
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3977 STARLINK-5282
    Time of Closest Approach 2026-09-10T19:03:31+0000
    Collision Probability (Pc) 1.1102E-6
    Conjunction Distance (km) 2.844 km
    Relative Speed (km/s) 9.479 km/s
    Conjunction Risk Parameters R (Radial): -2.843 | I (In-track): -0.006 | C (Cross-track): 0.002
    Collision Risk Index (CRI) 0.36
    X Position (km) -770.131 -770.455
    Position Y (km) 5180.135 5182.283
    Position Z (km) -4404.443 -4406.278
    Velocity X (km/s) -6.361 -5.463
    Velocity Y (km/s) 2.137 -3.894
    Velocity Z (km/s) 3.629 -3.628

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3977 STARLINK-5282
    Semimajor Axis (a) 6837.885 km 6840.895 km
    Eccentricity (e) 0.000130 0.000099
    Inclination (i) 53.1598° 53.1576°
    RAAN 141.4626° 241.9979°
    Perigee Argument 83.9985° 92.0390°
    Mean Anomaly (M) 276.1167° 268.0726°
    Apogee 460.639 km 463.438 km
    Perigee 458.857 km 462.078 km
    Orbit Epoch 2026-09-09T22:58:57+0000 2026-09-10T05:32:21+0000

    STARLINK-3977 & STARLINK-5282 Collision Probability (Pc) Trend

    STARLINK-3977 & STARLINK-5282 Collision Probability (Pc) TrendNot Available

    STARLINK-3977 & STARLINK-5282 Miss Distance (Miss Distance) Trend

    STARLINK-3977 & STARLINK-5282 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3977Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5282Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3977Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5282Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3977

    No nearby objects data