Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.274905E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T16:30:21+0800
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    1 Object 1

    AOE ID 26121
    NORAD ID 26121
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 60020
    NORAD ID 60020
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB STARLINK-31883
    Time of Closest Approach 2026-10-29T11:55:56+0000
    Collision Probability (Pc) 1.274905E-6
    Conjunction Distance (km) 2.231 km
    Relative Speed (km/s) 5.949 km/s
    Conjunction Risk Parameters R (Radial): -2.228 | I (In-track): 0.086 | C (Cross-track): 0.03
    Collision Risk Index (CRI) 0.37
    X Position (km) -3124.396 -3123.369
    Position Y (km) -6035.783 -6033.834
    Position Z (km) 789.828 789.482
    Velocity X (km/s) -1.444 3.766
    Velocity Y (km/s) -0.267 -2.75
    Velocity Z (km/s) -7.494 -6.049

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB STARLINK-31883
    Semimajor Axis (a) 6844.078 km 6840.874 km
    Eccentricity (e) 0.002819 0.000151
    Inclination (i) 98.6795° 53.1603°
    RAAN 59.7410° 76.3028°
    Perigee Argument 100.0540° 127.3680°
    Mean Anomaly (M) 260.3882° 232.7460°
    Apogee 485.236 km 463.769 km
    Perigee 446.646 km 461.705 km
    Orbit Epoch 2026-10-27T21:35:37+0000 2026-10-27T15:25:00+0000

    CZ-4 DEB & STARLINK-31883 Collision Probability (Pc) Trend

    CZ-4 DEB & STARLINK-31883 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & STARLINK-31883 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & STARLINK-31883 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31883Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31883Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data