Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.31428E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T21:58:13+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 58357
    NORAD ID 58357
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-30842
    Time of Closest Approach 2026-10-21T18:54:02+0000
    Collision Probability (Pc) 1.31428E-6
    Conjunction Distance (km) 2.98 km
    Relative Speed (km/s) 14.118 km/s
    Conjunction Risk Parameters R (Radial): 2.424 | I (In-track): -0.654 | C (Cross-track): -1.604
    Collision Risk Index (CRI) 0.37
    X Position (km) 6123.551 6122.071
    Position Y (km) -1414.206 -1412.337
    Position Z (km) -2763.224 -2761.436
    Velocity X (km/s) 2.661 -0.427
    Velocity Y (km/s) -1.771 6.347
    Velocity Z (km/s) 6.931 -4.199

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-30842
    Semimajor Axis (a) 6885.854 km 6861.191 km
    Eccentricity (e) 0.007189 0.000121
    Inclination (i) 97.7692° 43.0014°
    RAAN 342.8814° 143.5238°
    Perigee Argument 37.0299° 262.8644°
    Mean Anomaly (M) 323.5865° 97.2070°
    Apogee 557.220 km 483.881 km
    Perigee 458.214 km 482.227 km
    Orbit Epoch 2026-10-21T03:11:57+0000 2026-10-20T23:07:40+0000

    CZ-4B R/B & STARLINK-30842 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-30842 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-30842 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-30842 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-30842Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30842Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data