Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.352049E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T03:57:37+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 33942
    NORAD ID 33942
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter IRIDIUM 44 COSMOS 2251 DEB
    Time of Closest Approach 2026-10-25T20:39:08+0000
    Collision Probability (Pc) 9.352049E-7
    Conjunction Distance (km) 2.521 km
    Relative Speed (km/s) 5.109 km/s
    Conjunction Risk Parameters R (Radial): -1.15 | I (In-track): -2.109 | C (Cross-track): -0.761
    Collision Risk Index (CRI) 0.34
    X Position (km) -2558.065 -2555.89
    Position Y (km) -114.288 -113.071
    Position Z (km) 6650.482 6650.107
    Velocity X (km/s) -6.807 -4.234
    Velocity Y (km/s) -1.613 -5.927
    Velocity Z (km/s) -2.642 -1.713

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 44 COSMOS 2251 DEB
    Semimajor Axis (a) 7134.553 km 7142.193 km
    Eccentricity (e) 0.000240 0.001966
    Inclination (i) 86.4002° 74.0371°
    RAAN 12.6806° 53.4515°
    Perigee Argument 142.3621° 61.7168°
    Mean Anomaly (M) 217.7747° 328.5005°
    Apogee 758.128 km 778.099 km
    Perigee 754.704 km 750.013 km
    Orbit Epoch 2026-10-24T04:07:57+0000 2026-10-24T07:35:15+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