Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.222665E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:49:04+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52988
    NORAD ID 52988
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59961
    NORAD ID 59961
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4291 STARLINK-31993
    Time of Closest Approach 2026-09-03T04:07:06+0000
    Collision Probability (Pc) 8.222665E-7
    Conjunction Distance (km) 2.686 km
    Relative Speed (km/s) 4.807 km/s
    Conjunction Risk Parameters R (Radial): -2.684 | I (In-track): 0.048 | C (Cross-track): -0.02
    Collision Risk Index (CRI) 0.33
    X Position (km) 1358.01 1357.429
    Position Y (km) 4100.584 4098.993
    Position Z (km) 5298.152 5296.068
    Velocity X (km/s) -7.468 -6.297
    Velocity Y (km/s) 0.509 4.05
    Velocity Z (km/s) 1.516 -1.516

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4291 STARLINK-31993
    Semimajor Axis (a) 6843.374 km 6840.776 km
    Eccentricity (e) 0.000098 0.000112
    Inclination (i) 53.1611° 53.1602°
    RAAN 7.3199° 322.8889°
    Perigee Argument 84.5277° 81.4288°
    Mean Anomaly (M) 275.5837° 278.6841°
    Apogee 465.907 km 463.403 km
    Perigee 464.567 km 461.875 km
    Orbit Epoch 2026-09-02T15:16:38+0000 2026-09-02T05:46:50+0000

    STARLINK-4291 & STARLINK-31993 Collision Probability (Pc) Trend

    STARLINK-4291 & STARLINK-31993 Collision Probability (Pc) TrendNot Available

    STARLINK-4291 & STARLINK-31993 Miss Distance (Miss Distance) Trend

    STARLINK-4291 & STARLINK-31993 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4291Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31993Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4291Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31993Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4291

    No nearby objects data