Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.400785E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:44:57+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53009
    NORAD ID 53009
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66016
    NORAD ID 66016
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4277 STARLINK-35243
    Time of Closest Approach 2026-09-05T12:37:23+0000
    Collision Probability (Pc) 6.400785E-7
    Conjunction Distance (km) 1.865 km
    Relative Speed (km/s) 0.605 km/s
    Conjunction Risk Parameters R (Radial): -1.488 | I (In-track): 1.122 | C (Cross-track): 0.039
    Collision Risk Index (CRI) 0.31
    X Position (km) 798.185 799.459
    Position Y (km) 4021.682 4022.336
    Position Z (km) 5462.663 5463.857
    Velocity X (km/s) -7.536 -7.441
    Velocity Y (km/s) 1.247 1.722
    Velocity Z (km/s) 0.183 -0.178

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4277 STARLINK-35243
    Semimajor Axis (a) 6837.875 km 6840.799 km
    Eccentricity (e) 0.000071 0.000232
    Inclination (i) 53.1628° 53.1612°
    RAAN 7.8643° 359.7519°
    Perigee Argument 78.9356° 81.9255°
    Mean Anomaly (M) 281.1727° 278.2011°
    Apogee 460.226 km 464.252 km
    Perigee 459.250 km 461.072 km
    Orbit Epoch 2026-09-02T01:26:33+0000 2026-09-02T13:52:59+0000

    STARLINK-4277 & STARLINK-35243 Collision Probability (Pc) Trend

    STARLINK-4277 & STARLINK-35243 Collision Probability (Pc) TrendNot Available

    STARLINK-4277 & STARLINK-35243 Miss Distance (Miss Distance) Trend

    STARLINK-4277 & STARLINK-35243 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4277Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35243Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4277Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35243Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4277

    No nearby objects data