Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.671912E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:05:03+0800
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    1 Object 1

    AOE ID 25078
    NORAD ID 25078
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 36073
    NORAD ID 36073
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter IRIDIUM 44 COSMOS 2251 DEB
    Time of Closest Approach 2026-09-04T15:21:23+0000
    Collision Probability (Pc) 3.671912E-6
    Conjunction Distance (km) 1.816 km
    Relative Speed (km/s) 14.534 km/s
    Conjunction Risk Parameters R (Radial): 0.109 | I (In-track): -0.421 | C (Cross-track): 1.763
    Collision Risk Index (CRI) 0.46
    X Position (km) 4541.879 4542.694
    Position Y (km) 2651.03 2649.43
    Position Z (km) -4831.565 -4831.837
    Velocity X (km/s) 4.022 -5.454
    Velocity Y (km/s) 3.086 0.052
    Velocity Z (km/s) 5.481 -5.112

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 44 COSMOS 2251 DEB
    Semimajor Axis (a) 7134.627 km 7152.440 km
    Eccentricity (e) 0.000308 0.002545
    Inclination (i) 86.3953° 74.0318°
    RAAN 33.9403° 198.7845°
    Perigee Argument 53.6913° 208.9883°
    Mean Anomaly (M) 306.4570° 150.9858°
    Apogee 758.685 km 792.505 km
    Perigee 754.295 km 756.101 km
    Orbit Epoch 2026-09-03T19:33:00+0000 2026-09-02T13:47:58+0000

    IRIDIUM 44 & COSMOS 2251 DEB Collision Probability (Pc) Trend

    IRIDIUM 44 & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 44 & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 44 & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 44Miss 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 44Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 44

    No nearby objects data