Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.599828E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T22:16:22+0800
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    1 Object 1

    AOE ID 53871
    NORAD ID 53871
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64359
    NORAD ID 64359
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4740 STARLINK-34291
    Time of Closest Approach 2026-09-06T04:30:19+0000
    Collision Probability (Pc) 1.599828E-4
    Conjunction Distance (km) 0.533 km
    Relative Speed (km/s) 12.571 km/s
    Conjunction Risk Parameters R (Radial): 0.419 | I (In-track): -0.195 | C (Cross-track): 0.267
    Collision Risk Index (CRI) 0.79
    X Position (km) -3890.478 -3890.493
    Position Y (km) 4282.466 4282.967
    Position Z (km) -3658.903 -3659.083
    Velocity X (km/s) -5.936 0.223
    Velocity Y (km/s) -1.514 -4.835
    Velocity Z (km/s) 4.546 -5.897

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4740 STARLINK-34291
    Semimajor Axis (a) 6840.899 km 6889.992 km
    Eccentricity (e) 0.000149 0.000313
    Inclination (i) 53.1615° 70.0017°
    RAAN 169.9602° 304.0188°
    Perigee Argument 93.4756° 293.4661°
    Mean Anomaly (M) 266.6417° 83.6191°
    Apogee 463.780 km 514.013 km
    Perigee 461.744 km 509.697 km
    Orbit Epoch 2026-09-04T04:13:35+0000 2026-09-04T06:00:02+0000

    STARLINK-4740 & STARLINK-34291 Collision Probability (Pc) Trend

    STARLINK-4740 & STARLINK-34291 Collision Probability (Pc) TrendNot Available

    STARLINK-4740 & STARLINK-34291 Miss Distance (Miss Distance) Trend

    STARLINK-4740 & STARLINK-34291 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4740Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34291Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4740Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34291Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4740

    No nearby objects data