Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.719744E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T15:22:23+0800
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    1 Object 1

    AOE ID 34554
    NORAD ID 34554
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 42806
    NORAD ID 42806
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB IRIDIUM 115
    Time of Closest Approach 2026-10-28T16:14:29+0000
    Collision Probability (Pc) 1.719744E-6
    Conjunction Distance (km) 2.518 km
    Relative Speed (km/s) 14.603 km/s
    Conjunction Risk Parameters R (Radial): 0.813 | I (In-track): 0.535 | C (Cross-track): 2.323
    Collision Risk Index (CRI) 0.4
    X Position (km) 636.256 638.499
    Position Y (km) 5448.064 5446.949
    Position Z (km) 4544.047 4543.795
    Velocity X (km/s) -3.175 -0.043
    Velocity Y (km/s) -4.133 4.804
    Velocity Z (km/s) 5.379 -5.736

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB IRIDIUM 115
    Semimajor Axis (a) 7141.909 km 7125.816 km
    Eccentricity (e) 0.002266 0.000211
    Inclination (i) 74.0379° 86.4455°
    RAAN 73.3481° 267.0027°
    Perigee Argument 60.4152° 90.0020°
    Mean Anomaly (M) 312.9290° 270.1423°
    Apogee 779.957 km 749.184 km
    Perigee 747.587 km 746.174 km
    Orbit Epoch 2026-10-26T15:42:13+0000 2026-10-26T21:59:45+0000

    COSMOS 2251 DEB & IRIDIUM 115 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & IRIDIUM 115 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & IRIDIUM 115 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & IRIDIUM 115 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 115Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 115Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data