Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.719626E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T20:26:02+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53600
    NORAD ID 53600
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68073
    NORAD ID 68073
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4677 STARLINK-37074
    Time of Closest Approach 2026-09-06T05:43:42+0000
    Collision Probability (Pc) 9.719626E-7
    Conjunction Distance (km) 2.993 km
    Relative Speed (km/s) 8.353 km/s
    Conjunction Risk Parameters R (Radial): 2.992 | I (In-track): -0.074 | C (Cross-track): -0.044
    Collision Risk Index (CRI) 0.35
    X Position (km) 4838.669 4840.801
    Position Y (km) 802.76 803.026
    Position Z (km) -4771.904 -4773.987
    Velocity X (km/s) -3.917 1.827
    Velocity Y (km/s) 5.82 6.771
    Velocity Z (km/s) -2.995 2.994

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4677 STARLINK-37074
    Semimajor Axis (a) 6837.862 km 6840.869 km
    Eccentricity (e) 0.000135 0.000129
    Inclination (i) 53.1592° 53.1596°
    RAAN 148.5778° 63.2098°
    Perigee Argument 96.3562° 87.4160°
    Mean Anomaly (M) 263.7595° 272.6991°
    Apogee 460.647 km 463.617 km
    Perigee 458.803 km 461.847 km
    Orbit Epoch 2026-09-04T23:00:09+0000 2026-09-04T18:02:15+0000

    STARLINK-4677 & STARLINK-37074 Collision Probability (Pc) Trend

    STARLINK-4677 & STARLINK-37074 Collision Probability (Pc) TrendNot Available

    STARLINK-4677 & STARLINK-37074 Miss Distance (Miss Distance) Trend

    STARLINK-4677 & STARLINK-37074 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4677Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37074Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4677Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37074Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4677

    No nearby objects data