Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.679738E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T21:32:09+0800
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    1 Object 1

    AOE ID 40337
    NORAD ID 40337
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 62860
    NORAD ID 62860
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-32831
    Time of Closest Approach 2026-10-20T09:00:03+0000
    Collision Probability (Pc) 1.679738E-6
    Conjunction Distance (km) 2.468 km
    Relative Speed (km/s) 13.214 km/s
    Conjunction Risk Parameters R (Radial): -0.41 | I (In-track): -1.215 | C (Cross-track): 2.109
    Collision Risk Index (CRI) 0.4
    X Position (km) 2645.699 2646.11
    Position Y (km) 3353.509 3351.187
    Position Z (km) -5350.95 -5351.677
    Velocity X (km/s) 5.047 -6.765
    Velocity Y (km/s) 3.474 3.265
    Velocity Z (km/s) 4.615 -1.301

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-32831
    Semimajor Axis (a) 6926.017 km 6840.814 km
    Eccentricity (e) 0.013843 0.000149
    Inclination (i) 98.4694° 53.1562°
    RAAN 38.2812° 172.2663°
    Perigee Argument 289.6291° 82.2441°
    Mean Anomaly (M) 69.0037° 277.8730°
    Apogee 643.759 km 463.694 km
    Perigee 452.001 km 461.660 km
    Orbit Epoch 2026-10-17T22:14:09+0000 2026-10-18T02:44:02+0000

    CZ-4B R/B & STARLINK-32831 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-32831 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-32831 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-32831 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-32831Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32831Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data