Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.910519E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T14:39:41+0800
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    1 Object 1

    AOE ID 39084
    NORAD ID 39084
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 42112
    NORAD ID 42112
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter LANDSAT 8 COSMOS 1275 DEB
    Time of Closest Approach 2026-10-28T18:44:27+0000
    Collision Probability (Pc) 1.910519E-6
    Conjunction Distance (km) 1.783 km
    Relative Speed (km/s) 4.795 km/s
    Conjunction Risk Parameters R (Radial): 0.041 | I (In-track): 1.69 | C (Cross-track): -0.566
    Collision Risk Index (CRI) 0.41
    X Position (km) 2604.307 2605.766
    Position Y (km) 1415.352 1416.093
    Position Z (km) -6439.306 -6438.597
    Velocity X (km/s) 6.84 4.64
    Velocity Y (km/s) 0.802 5.063
    Velocity Z (km/s) 2.944 2.997

    Orbital Parameters 国际轨道数据源

    Parameter LANDSAT 8 COSMOS 1275 DEB
    Semimajor Axis (a) 7080.690 km 7087.366 km
    Eccentricity (e) 0.000134 0.000986
    Inclination (i) 98.2168° 82.8428°
    RAAN 8.4112° 47.1114°
    Perigee Argument 91.3695° 338.8429°
    Mean Anomaly (M) 268.7657° 21.2362°
    Apogee 703.502 km 716.215 km
    Perigee 701.604 km 702.243 km
    Orbit Epoch 2026-10-26T22:32:53+0000 2026-10-25T13:28:29+0000

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

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

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

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

    LANDSAT 8Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1275 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LANDSAT 8Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1275 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LANDSAT 8

    No nearby objects data