Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.105174E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T16:12:57+0800
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    1 Object 1

    AOE ID 59459
    NORAD ID 59459
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66548
    NORAD ID 66548
    Object Type ROCKET BODY
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-31631 CZ-2C R/B
    Time of Closest Approach 2026-10-23T07:17:49+0000
    Collision Probability (Pc) 1.105174E-6
    Conjunction Distance (km) 2.548 km
    Relative Speed (km/s) 7.09 km/s
    Conjunction Risk Parameters R (Radial): 0.143 | I (In-track): -2.253 | C (Cross-track): 1.181
    Collision Risk Index (CRI) 0.36
    X Position (km) 2866.094 2867.998
    Position Y (km) -4439.755 -4438.079
    Position Z (km) 4367.473 4367.703
    Velocity X (km/s) 6.913 3.495
    Velocity Y (km/s) 2.637 5.78
    Velocity Z (km/s) -1.851 3.506

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31631 CZ-2C R/B
    Semimajor Axis (a) 6861.206 km 6829.735 km
    Eccentricity (e) 0.000115 0.007001
    Inclination (i) 43.0016° 52.0508°
    RAAN 203.5399° 276.8540°
    Perigee Argument 271.2767° 175.0086°
    Mean Anomaly (M) 88.7953° 185.1617°
    Apogee 483.860 km 499.417 km
    Perigee 482.278 km 403.779 km
    Orbit Epoch 2026-10-20T01:55:11+0000 2026-10-20T08:53:34+0000

    STARLINK-31631 & CZ-2C R/B Collision Probability (Pc) Trend

    STARLINK-31631 & CZ-2C R/B Collision Probability (Pc) TrendNot Available

    STARLINK-31631 & CZ-2C R/B Miss Distance (Miss Distance) Trend

    STARLINK-31631 & CZ-2C R/B Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31631Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-2C R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31631Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-2C R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31631

    No nearby objects data