Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.267172E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T09:34:40+0800
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    1 Object 1

    AOE ID 57424
    NORAD ID 57424
    Object Type UNKNOWN
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 62651
    NORAD ID 62651
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT A FLOCK 4G 21
    Time of Closest Approach 2026-09-07T11:24:10+0000
    Collision Probability (Pc) 5.267172E-7
    Conjunction Distance (km) 2.713 km
    Relative Speed (km/s) 2.029 km/s
    Conjunction Risk Parameters R (Radial): -0.464 | I (In-track): -2.649 | C (Cross-track): -0.351
    Collision Risk Index (CRI) 0.29
    X Position (km) 451.729 453.962
    Position Y (km) 759.39 757.928
    Position Z (km) -6785.885 -6786.368
    Velocity X (km/s) 5.646 6.789
    Velocity Y (km/s) -5.114 -3.459
    Velocity Z (km/s) -0.202 0.069

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT A FLOCK 4G 21
    Semimajor Axis (a) 6834.888 km 6835.309 km
    Eccentricity (e) 0.000713 0.000239
    Inclination (i) 97.2634° 97.3944°
    RAAN 315.0833° 330.0711°
    Perigee Argument 175.9093° 70.6173°
    Mean Anomaly (M) 184.2211° 289.5329°
    Apogee 461.624 km 458.805 km
    Perigee 451.878 km 455.539 km
    Orbit Epoch 2026-09-04T21:16:39+0000 2026-09-04T11:53:11+0000

    OBJECT A & FLOCK 4G 21 Collision Probability (Pc) Trend

    OBJECT A & FLOCK 4G 21 Collision Probability (Pc) TrendNot Available

    OBJECT A & FLOCK 4G 21 Miss Distance (Miss Distance) Trend

    OBJECT A & FLOCK 4G 21 Miss Distance (Miss Distance) TrendNot Available

    OBJECT AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 21Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT ACollision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 21Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT A

    No nearby objects data