Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.794468E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T04:43:25+0800
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    1 Object 1

    AOE ID 33811
    NORAD ID 33811
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    Name AEPEX
    AOE ID 68506
    NORAD ID 68506
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB AEPEX
    Time of Closest Approach 2026-09-03T07:21:28+0000
    Collision Probability (Pc) 4.794468E-6
    Conjunction Distance (km) 1.576 km
    Relative Speed (km/s) 11.379 km/s
    Conjunction Risk Parameters R (Radial): -1.116 | I (In-track): 0.734 | C (Cross-track): 0.835
    Collision Risk Index (CRI) 0.49
    X Position (km) -2031.82 -2030.515
    Position Y (km) 45.364 44.921
    Position Z (km) 6569.67 6568.908
    Velocity X (km/s) 2.263 6.606
    Velocity Y (km/s) -7.237 3.202
    Velocity Z (km/s) 0.728 2.013

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB AEPEX
    Semimajor Axis (a) 6895.399 km 6883.800 km
    Eccentricity (e) 0.003027 0.000361
    Inclination (i) 73.8255° 97.4583°
    RAAN 110.8764° 202.3562°
    Perigee Argument 144.1805° 144.4514°
    Mean Anomaly (M) 29.7894° 215.6962°
    Apogee 538.136 km 508.148 km
    Perigee 496.388 km 503.178 km
    Orbit Epoch 2026-09-02T09:34:56+0000 2026-09-01T20:16:26+0000

    COSMOS 2251 DEB & AEPEX Collision Probability (Pc) Trend

    COSMOS 2251 DEB & AEPEX Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & AEPEX Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & AEPEX Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    AEPEXMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    AEPEXCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data