Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.474052E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T16:13:21+0800
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    1 Object 1

    AOE ID 53057
    NORAD ID 53057
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63985
    NORAD ID 63985
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4252 OBJECT D
    Time of Closest Approach 2026-09-06T00:44:07+0000
    Collision Probability (Pc) 3.474052E-4
    Conjunction Distance (km) 0.358 km
    Relative Speed (km/s) 11.644 km/s
    Conjunction Risk Parameters R (Radial): 0.141 | I (In-track): 0.217 | C (Cross-track): -0.248
    Collision Risk Index (CRI) 0.86
    X Position (km) 337.302 336.991
    Position Y (km) -1312.549 -1312.664
    Position Z (km) 6723.232 6723.368
    Velocity X (km/s) -3.315 -6.204
    Velocity Y (km/s) -6.765 4.277
    Velocity Z (km/s) -1.152 1.148

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4252 OBJECT D
    Semimajor Axis (a) 6871.158 km 6868.241 km
    Eccentricity (e) 0.000153 0.000625
    Inclination (i) 97.2859° 97.3610°
    RAAN 64.0091° 322.8562°
    Perigee Argument 86.4942° 27.9329°
    Mean Anomaly (M) 117.9784° 332.2243°
    Apogee 494.071 km 494.396 km
    Perigee 491.971 km 485.812 km
    Orbit Epoch 2026-09-05T00:00:02+0000 2026-09-04T13:44:28+0000

    STARLINK-4252 & OBJECT D Collision Probability (Pc) Trend

    STARLINK-4252 & OBJECT D Collision Probability (Pc) TrendNot Available

    STARLINK-4252 & OBJECT D Miss Distance (Miss Distance) Trend

    STARLINK-4252 & OBJECT D Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4252Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4252Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4252

    No nearby objects data