Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.135484E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T05:59:08+0800
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    1 Object 1

    AOE ID 24793
    NORAD ID 24793
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

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

    Conjunction Constraints

    Parameter IRIDIUM 7 COSMOS 2251 DEB
    Time of Closest Approach 2026-09-16T18:49:05+0000
    Collision Probability (Pc) 2.135484E-6
    Conjunction Distance (km) 2.222 km
    Relative Speed (km/s) 13.849 km/s
    Conjunction Risk Parameters R (Radial): -1.094 | I (In-track): -0.729 | C (Cross-track): -1.79
    Collision Risk Index (CRI) 0.42
    X Position (km) -3092.677 -3091.122
    Position Y (km) 1213.923 1215.324
    Position Z (km) 6321.545 6320.799
    Velocity X (km/s) -6.471 3.35
    Velocity Y (km/s) 1.457 -6.068
    Velocity Z (km/s) -3.437 2.784

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 7 COSMOS 2251 DEB
    Semimajor Axis (a) 7148.936 km 7145.980 km
    Eccentricity (e) 0.000252 0.001814
    Inclination (i) 86.4016° 74.0244°
    RAAN 345.9806° 130.0078°
    Perigee Argument 88.6940° 165.7956°
    Mean Anomaly (M) 271.4546° 194.3712°
    Apogee 772.602 km 780.805 km
    Perigee 768.996 km 754.881 km
    Orbit Epoch 2026-09-15T12:10:36+0000 2026-09-14T08:02:07+0000

    IRIDIUM 7 & COSMOS 2251 DEB Collision Probability (Pc) Trend

    IRIDIUM 7 & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 7 & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 7 & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 7Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 7Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 7

    No nearby objects data