Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.764016E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T21:47:05+0800
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    1 Object 1

    AOE ID 18902
    NORAD ID 18902
    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 1275 DEB LANDSAT 8
    Time of Closest Approach 2026-10-29T09:23:40+0000
    Collision Probability (Pc) 1.764016E-6
    Conjunction Distance (km) 2.503 km
    Relative Speed (km/s) 14.964 km/s
    Conjunction Risk Parameters R (Radial): -1.057 | I (In-track): 0.09 | C (Cross-track): 2.266
    Collision Risk Index (CRI) 0.4
    X Position (km) -2058.159 -2058.202
    Position Y (km) 598.206 600.336
    Position Z (km) -6758.24 -6756.929
    Velocity X (km/s) -7.11 7.029
    Velocity Y (km/s) -1.103 1.638
    Velocity Z (km/s) 2.064 -1.996

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1275 DEB LANDSAT 8
    Semimajor Axis (a) 7076.365 km 7080.690 km
    Eccentricity (e) 0.001027 0.000134
    Inclination (i) 82.9429° 98.2168°
    RAAN 188.6973° 8.6821°
    Perigee Argument 142.7172° 91.3016°
    Mean Anomaly (M) 217.4745° 268.8336°
    Apogee 705.494 km 703.501 km
    Perigee 690.962 km 701.605 km
    Orbit Epoch 2026-10-27T03:23:45+0000 2026-10-27T05:08:26+0000

    COSMOS 1275 DEB & LANDSAT 8 Collision Probability (Pc) Trend

    COSMOS 1275 DEB & LANDSAT 8 Collision Probability (Pc) TrendNot Available

    COSMOS 1275 DEB & LANDSAT 8 Miss Distance (Miss Distance) Trend

    COSMOS 1275 DEB & LANDSAT 8 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1275 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 1275 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LANDSAT 8Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1275 DEB

    No nearby objects data