Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.960991E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T19:51:11+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 51990
    NORAD ID 51990
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62862
    NORAD ID 62862
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3657 STARLINK-32864
    Time of Closest Approach 2026-09-06T03:46:12+0000
    Collision Probability (Pc) 9.960991E-7
    Conjunction Distance (km) 2.952 km
    Relative Speed (km/s) 8.483 km/s
    Conjunction Risk Parameters R (Radial): -2.649 | I (In-track): 1.081 | C (Cross-track): 0.725
    Collision Risk Index (CRI) 0.35
    X Position (km) -2865.761 -2867.93
    Position Y (km) -4021.69 -4022.491
    Position Z (km) -4737.271 -4739.106
    Velocity X (km/s) 3.459 6.864
    Velocity Y (km/s) -6.069 -1.289
    Velocity Z (km/s) 3.063 -3.062

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3657 STARLINK-32864
    Semimajor Axis (a) 6837.873 km 6840.840 km
    Eccentricity (e) 0.000116 0.000108
    Inclination (i) 53.1593° 53.1603°
    RAAN 289.9166° 19.3879°
    Perigee Argument 88.8697° 81.6140°
    Mean Anomaly (M) 271.2440° 278.4985°
    Apogee 460.531 km 463.440 km
    Perigee 458.941 km 461.966 km
    Orbit Epoch 2026-09-04T03:36:04+0000 2026-09-03T20:01:01+0000

    STARLINK-3657 & STARLINK-32864 Collision Probability (Pc) Trend

    STARLINK-3657 & STARLINK-32864 Collision Probability (Pc) TrendNot Available

    STARLINK-3657 & STARLINK-32864 Miss Distance (Miss Distance) Trend

    STARLINK-3657 & STARLINK-32864 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3657Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32864Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3657Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32864Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3657

    No nearby objects data