Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.819169E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T06:53:49+0800
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    1 Object 1

    AOE ID 37340
    NORAD ID 37340
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    Name ZY 1
    AOE ID 38038
    NORAD ID 38038
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2251 DEB ZY 1
    Time of Closest Approach 2026-09-13T19:46:02+0000
    Collision Probability (Pc) 1.819169E-6
    Conjunction Distance (km) 2.453 km
    Relative Speed (km/s) 14.821 km/s
    Conjunction Risk Parameters R (Radial): -2.452 | I (In-track): 0.008 | C (Cross-track): -0.015
    Collision Risk Index (CRI) 0.4
    X Position (km) 3807.256 3808.548
    Position Y (km) -1873.136 -1873.786
    Position Z (km) -5752.495 -5754.475
    Velocity X (km/s) -3.239 4.406
    Velocity Y (km/s) 5.451 -4.214
    Velocity Z (km/s) -3.936 4.297

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB ZY 1
    Semimajor Axis (a) 7145.986 km 7142.352 km
    Eccentricity (e) 0.001827 0.000750
    Inclination (i) 74.0248° 98.4005°
    RAAN 136.0291° 320.1086°
    Perigee Argument 172.7810° 55.2354°
    Mean Anomaly (M) 187.3610° 100.6325°
    Apogee 780.902 km 769.571 km
    Perigee 754.796 km 758.859 km
    Orbit Epoch 2026-09-11T01:30:58+0000 2026-09-11T15:18:49+0000

    COSMOS 2251 DEB & ZY 1 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & ZY 1 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & ZY 1 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & ZY 1 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ZY 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ZY 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data