Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.603192E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T19:10:58+0800
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    1 Object 1

    AOE ID 26273
    NORAD ID 26273
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 37789
    NORAD ID 37789
    Object Type PAYLOAD
    Country
    NG NG

    Conjunction Constraints

    Parameter CZ-4 DEB NIGERIASAT 2
    Time of Closest Approach 2026-10-30T23:07:39+0000
    Collision Probability (Pc) 1.603192E-6
    Conjunction Distance (km) 2.638 km
    Relative Speed (km/s) 14.812 km/s
    Conjunction Risk Parameters R (Radial): 1.001 | I (In-track): 0.421 | C (Cross-track): 2.404
    Collision Risk Index (CRI) 0.39
    X Position (km) -1215.641 -1213.427
    Position Y (km) 5843.394 5844.729
    Position Z (km) 3728.546 3729.063
    Velocity X (km/s) 2.113 0.388
    Velocity Y (km/s) -3.563 4.127
    Velocity Z (km/s) 6.259 -6.281

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB NIGERIASAT 2
    Semimajor Axis (a) 6999.464 km 7037.257 km
    Eccentricity (e) 0.005692 0.003117
    Inclination (i) 98.7280° 97.8976°
    RAAN 106.1810° 275.7536°
    Perigee Argument 218.5822° 52.8712°
    Mean Anomaly (M) 299.6512° 31.5611°
    Apogee 661.167 km 681.056 km
    Perigee 581.487 km 637.184 km
    Orbit Epoch 2026-10-29T23:23:47+0000 2026-10-29T22:20:55+0000

    CZ-4 DEB & NIGERIASAT 2 Collision Probability (Pc) Trend

    CZ-4 DEB & NIGERIASAT 2 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & NIGERIASAT 2 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & NIGERIASAT 2 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NIGERIASAT 2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    NIGERIASAT 2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data