Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.70954E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T12:56:27+0800
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    1 Object 1

    AOE ID 52633
    NORAD ID 52633
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 55534
    NORAD ID 55534
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-3994 CZ-6A DEB
    Time of Closest Approach 2026-09-06T00:43:28+0000
    Collision Probability (Pc) 8.70954E-6
    Conjunction Distance (km) 1.384 km
    Relative Speed (km/s) 14.629 km/s
    Conjunction Risk Parameters R (Radial): 1.355 | I (In-track): -0.088 | C (Cross-track): -0.269
    Collision Risk Index (CRI) 0.54
    X Position (km) 5940.865 5941.979
    Position Y (km) -2190.703 -2191.393
    Position Z (km) 2778.249 2778.694
    Velocity X (km/s) 3.893 -3.248
    Velocity Y (km/s) 3.864 -0.131
    Velocity Z (km/s) -5.255 6.871

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3994 CZ-6A DEB
    Semimajor Axis (a) 6917.863 km 6929.624 km
    Eccentricity (e) 0.000170 0.003355
    Inclination (i) 53.1620° 98.6400°
    RAAN 184.4465° 340.4545°
    Perigee Argument 87.8138° 336.2683°
    Mean Anomaly (M) 272.3048° 23.6992°
    Apogee 540.904 km 574.735 km
    Perigee 538.548 km 528.239 km
    Orbit Epoch 2026-09-04T19:26:54+0000 2026-09-03T05:36:20+0000

    STARLINK-3994 & CZ-6A DEB Collision Probability (Pc) Trend

    STARLINK-3994 & CZ-6A DEB Collision Probability (Pc) TrendNot Available

    STARLINK-3994 & CZ-6A DEB Miss Distance (Miss Distance) Trend

    STARLINK-3994 & CZ-6A DEB Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3994Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-6A DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3994Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-6A DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3994

    No nearby objects data