Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.349389E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T23:49:33+0800
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    1 Object 1

    AOE ID 34641
    NORAD ID 34641
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 39084
    NORAD ID 39084
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB LANDSAT 8
    Time of Closest Approach 2026-10-29T09:00:17+0000
    Collision Probability (Pc) 1.349389E-6
    Conjunction Distance (km) 2.999 km
    Relative Speed (km/s) 14.976 km/s
    Conjunction Risk Parameters R (Radial): 1.556 | I (In-track): 0.185 | C (Cross-track): 2.557
    Collision Risk Index (CRI) 0.38
    X Position (km) -6801.402 -6800.344
    Position Y (km) -1492.973 -1490.18
    Position Z (km) 1300.052 1300.311
    Velocity X (km/s) 1.76 -1.575
    Velocity Y (km/s) -1.789 0.771
    Velocity Z (km/s) 7.076 -7.297

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB LANDSAT 8
    Semimajor Axis (a) 7091.465 km 7080.690 km
    Eccentricity (e) 0.001486 0.000134
    Inclination (i) 73.8373° 98.2168°
    RAAN 193.5663° 8.6821°
    Perigee Argument 47.9142° 91.3016°
    Mean Anomaly (M) 102.7925° 268.8336°
    Apogee 723.864 km 703.501 km
    Perigee 702.792 km 701.605 km
    Orbit Epoch 2026-10-27T03:08:39+0000 2026-10-27T05:08:26+0000

    COSMOS 2251 DEB & LANDSAT 8 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & LANDSAT 8 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & LANDSAT 8 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & LANDSAT 8 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LANDSAT 8Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LANDSAT 8Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data