Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.288441E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T22:43:17+0800
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    1 Object 1

    AOE ID 33841
    NORAD ID 33841
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 43075
    NORAD ID 43075
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB IRIDIUM 134
    Time of Closest Approach 2026-09-17T09:41:47+0000
    Collision Probability (Pc) 3.288441E-6
    Conjunction Distance (km) 1.886 km
    Relative Speed (km/s) 14.434 km/s
    Conjunction Risk Parameters R (Radial): -0.62 | I (In-track): 0.435 | C (Cross-track): 1.728
    Collision Risk Index (CRI) 0.45
    X Position (km) -1471.852 -1470.358
    Position Y (km) 4715.039 4716.161
    Position Z (km) -5188.008 -5188.268
    Velocity X (km/s) -4.309 0.95
    Velocity Y (km/s) 3.837 -5.332
    Velocity Z (km/s) 4.708 -5.12

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB IRIDIUM 134
    Semimajor Axis (a) 7142.709 km 7155.805 km
    Eccentricity (e) 0.002038 0.000224
    Inclination (i) 74.0369° 86.3920°
    RAAN 130.3886° 284.4983°
    Perigee Argument 149.9366° 90.4355°
    Mean Anomaly (M) 25.1872° 269.7098°
    Apogee 779.129 km 779.272 km
    Perigee 750.015 km 776.064 km
    Orbit Epoch 2026-09-14T09:16:44+0000 2026-09-15T01:23:15+0000

    COSMOS 2251 DEB & IRIDIUM 134 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & IRIDIUM 134 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & IRIDIUM 134 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & IRIDIUM 134 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 134Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 134Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data