Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.431887E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T23:20:27+0800
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    1 Object 1

    AOE ID 31490
    NORAD ID 31490
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 49046
    NORAD ID 49046
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter YAOGAN 2 CZ-4B DEB
    Time of Closest Approach 2026-10-27T18:23:02+0000
    Collision Probability (Pc) 9.431887E-6
    Conjunction Distance (km) 1.356 km
    Relative Speed (km/s) 14.832 km/s
    Conjunction Risk Parameters R (Radial): 1.346 | I (In-track): -0.033 | C (Cross-track): -0.159
    Collision Risk Index (CRI) 0.54
    X Position (km) -5033.417 -5034.445
    Position Y (km) 1958.205 1958.43
    Position Z (km) 4466.478 4467.334
    Velocity X (km/s) 4.916 -3.926
    Velocity Y (km/s) -0.408 2.939
    Velocity Z (km/s) 5.697 -5.731

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 2 CZ-4B DEB
    Semimajor Axis (a) 6998.371 km 7015.301 km
    Eccentricity (e) 0.001977 0.002823
    Inclination (i) 98.2427° 97.7268°
    RAAN 164.9239° 331.6224°
    Perigee Argument 204.6057° 225.3191°
    Mean Anomaly (M) 155.4214° 134.5720°
    Apogee 634.070 km 656.971 km
    Perigee 606.398 km 617.357 km
    Orbit Epoch 2026-10-27T02:00:31+0000 2026-10-27T01:29:49+0000

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

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

    YAOGAN 2 & CZ-4B DEB Miss Distance (Miss Distance) Trend

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

    YAOGAN 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 2

    No nearby objects data