Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.093094E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T06:08:02+0800
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    1 Object 1

    AOE ID 33971
    NORAD ID 33971
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 42810
    NORAD ID 42810
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB IRIDIUM 124
    Time of Closest Approach 2026-09-16T23:53:18+0000
    Collision Probability (Pc) 3.093094E-6
    Conjunction Distance (km) 1.927 km
    Relative Speed (km/s) 14.344 km/s
    Conjunction Risk Parameters R (Radial): 1.21 | I (In-track): 0.441 | C (Cross-track): 1.433
    Collision Risk Index (CRI) 0.45
    X Position (km) -978.808 -977.49
    Position Y (km) -4144.324 -4145.158
    Position Z (km) 5703.982 5705.112
    Velocity X (km/s) 2.129 2.125
    Velocity Y (km/s) -5.98 5.632
    Velocity Z (km/s) -3.975 4.445

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB IRIDIUM 124
    Semimajor Axis (a) 7136.232 km 7125.820 km
    Eccentricity (e) 0.001837 0.000237
    Inclination (i) 74.0227° 86.4434°
    RAAN 102.3427° 252.6820°
    Perigee Argument 142.0368° 87.5950°
    Mean Anomaly (M) 32.5391° 272.5522°
    Apogee 771.204 km 749.373 km
    Perigee 744.986 km 745.993 km
    Orbit Epoch 2026-09-15T08:06:44+0000 2026-09-15T06:02:37+0000

    COSMOS 2251 DEB & IRIDIUM 124 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & IRIDIUM 124 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & IRIDIUM 124 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & IRIDIUM 124 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 124Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 124Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data