Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.956981E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:23:06+0800
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    1 Object 1

    AOE ID 37181
    NORAD ID 37181
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 63377
    NORAD ID 63377
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-33634
    Time of Closest Approach 2026-09-06T07:29:53+0000
    Collision Probability (Pc) 1.956981E-5
    Conjunction Distance (km) 0.909 km
    Relative Speed (km/s) 5.835 km/s
    Conjunction Risk Parameters R (Radial): -0.003 | I (In-track): 0.84 | C (Cross-track): 0.347
    Collision Risk Index (CRI) 0.61
    X Position (km) -2983.276 -2983.442
    Position Y (km) 6119.568 6119.385
    Position Z (km) -679.185 -680.059
    Velocity X (km/s) 1.264 -3.871
    Velocity Y (km/s) -0.218 -2.554
    Velocity Z (km/s) -7.553 -6.066

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-33634
    Semimajor Axis (a) 6886.956 km 6840.852 km
    Eccentricity (e) 0.007119 0.000132
    Inclination (i) 97.7768° 53.1594°
    RAAN 294.0917° 304.6469°
    Perigee Argument 198.8578° 123.2264°
    Mean Anomaly (M) 161.0018° 236.8865°
    Apogee 557.845 km 463.617 km
    Perigee 459.793 km 461.813 km
    Orbit Epoch 2026-09-03T17:01:28+0000 2026-09-03T13:01:51+0000

    CZ-4B R/B & STARLINK-33634 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-33634 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-33634 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-33634 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33634Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33634Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data