Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.100416E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:50:01+0800
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    1 Object 1

    AOE ID 53082
    NORAD ID 53082
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 60017
    NORAD ID 60017
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4321 STARLINK-31987
    Time of Closest Approach 2026-09-04T06:04:20+0000
    Collision Probability (Pc) 2.100416E-6
    Conjunction Distance (km) 2.137 km
    Relative Speed (km/s) 11.693 km/s
    Conjunction Risk Parameters R (Radial): -1.545 | I (In-track): -0.944 | C (Cross-track): 1.134
    Collision Risk Index (CRI) 0.41
    X Position (km) 2502.057 2502.779
    Position Y (km) 3256.37 3255.819
    Position Z (km) 5473.025 5471.091
    Velocity X (km/s) -2.36 -6.194
    Velocity Y (km/s) -5.718 4.46
    Velocity Z (km/s) 4.47 0.178

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4321 STARLINK-31987
    Semimajor Axis (a) 6847.645 km 6848.851 km
    Eccentricity (e) 0.000096 0.000122
    Inclination (i) 97.2859° 53.1601°
    RAAN 60.7199° 337.1691°
    Perigee Argument 123.3065° 92.3814°
    Mean Anomaly (M) 186.5645° 267.7327°
    Apogee 470.168 km 471.551 km
    Perigee 468.848 km 469.877 km
    Orbit Epoch 2026-09-02T16:00:02+0000 2026-09-01T16:36:55+0000

    STARLINK-4321 & STARLINK-31987 Collision Probability (Pc) Trend

    STARLINK-4321 & STARLINK-31987 Collision Probability (Pc) TrendNot Available

    STARLINK-4321 & STARLINK-31987 Miss Distance (Miss Distance) Trend

    STARLINK-4321 & STARLINK-31987 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4321Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31987Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4321Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31987Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4321

    No nearby objects data