Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.076474E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-04T00:52:55+0800
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    1 Object 1

    AOE ID 24948
    NORAD ID 24948
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 35434
    NORAD ID 35434
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter IRIDIUM 28 COSMOS 2251 DEB
    Time of Closest Approach 2026-11-04T15:15:41+0000
    Collision Probability (Pc) 1.076474E-6
    Conjunction Distance (km) 2.56 km
    Relative Speed (km/s) 6.856 km/s
    Conjunction Risk Parameters R (Radial): 1.614 | I (In-track): -1.771 | C (Cross-track): 0.899
    Collision Risk Index (CRI) 0.36
    X Position (km) 272.146 270.78
    Position Y (km) -2124.166 -2123.344
    Position Z (km) -6824.587 -6826.588
    Velocity X (km/s) 2.439 7.168
    Velocity Y (km/s) -6.698 -1.895
    Velocity Z (km/s) 2.183 0.931

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 28 COSMOS 2251 DEB
    Semimajor Axis (a) 7144.037 km 7181.631 km
    Eccentricity (e) 0.000183 0.008724
    Inclination (i) 86.3912° 74.0413°
    RAAN 289.7177° 347.0308°
    Perigee Argument 100.3477° 338.7374°
    Mean Anomaly (M) 259.7927° 21.0155°
    Apogee 767.206 km 866.146 km
    Perigee 764.594 km 740.842 km
    Orbit Epoch 2026-11-02T16:49:53+0000 2026-11-02T11:28:03+0000

    IRIDIUM 28 & COSMOS 2251 DEB Collision Probability (Pc) Trend

    IRIDIUM 28 & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 28 & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 28 & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 28Miss 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 28Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 28

    No nearby objects data