Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.843902E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T13:23:50+0800
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    1 Object 1

    AOE ID 43264
    NORAD ID 43264
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 52588
    NORAD ID 52588
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-3917
    Time of Closest Approach 2026-10-29T12:14:32+0000
    Collision Probability (Pc) 4.843902E-6
    Conjunction Distance (km) 1.585 km
    Relative Speed (km/s) 11.89 km/s
    Conjunction Risk Parameters R (Radial): -1.575 | I (In-track): 0.093 | C (Cross-track): 0.138
    Collision Risk Index (CRI) 0.49
    X Position (km) 2950.73 2949.903
    Position Y (km) 2859.78 2859.134
    Position Z (km) -5478.574 -5477.387
    Velocity X (km/s) -3.029 -5.402
    Velocity Y (km/s) -5.444 5.378
    Velocity Z (km/s) -4.415 -0.102

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-3917
    Semimajor Axis (a) 6866.744 km 6840.886 km
    Eccentricity (e) 0.007290 0.000156
    Inclination (i) 98.1337° 53.1597°
    RAAN 234.1226° 140.1923°
    Perigee Argument 296.8336° 91.0458°
    Mean Anomaly (M) 62.5459° 269.0724°
    Apogee 538.664 km 463.819 km
    Perigee 438.550 km 461.679 km
    Orbit Epoch 2026-10-28T14:45:07+0000 2026-10-28T13:11:20+0000

    CZ-4C R/B & STARLINK-3917 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-3917 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-3917 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-3917 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-3917Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3917Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data