Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.9916E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:49:04+0800
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    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 2026-09-03T04:54:00+0000
    Collision Probability (Pc) 7.9916E-7
    Conjunction Distance (km) 2.74 km
    Relative Speed (km/s) 4.798 km/s
    Conjunction Risk Parameters R (Radial): -2.567 | I (In-track): -0.905 | C (Cross-track): -0.304
    Collision Risk Index (CRI) 0.33
    X Position (km) -1370.982 -1371.373
    Position Y (km) -4104.736 -4102.892
    Position Z (km) -5308.259 -5306.271
    Velocity X (km/s) 7.452 6.275
    Velocity Y (km/s) -0.53 -4.057
    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