Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.825851E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-05T15:27:26+0800
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    1 Object 1

    AOE ID 6126
    NORAD ID 6126
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 39937
    NORAD ID 39937
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter LANDSAT 1 (ERTS 1) COSMOS 1275 DEB
    Time of Closest Approach 2026-11-06T15:19:46+0000
    Collision Probability (Pc) 8.825851E-7
    Conjunction Distance (km) 2.442 km
    Relative Speed (km/s) 4.181 km/s
    Conjunction Risk Parameters R (Radial): 1.866 | I (In-track): -1.508 | C (Cross-track): -0.456
    Collision Risk Index (CRI) 0.34
    X Position (km) -3688.818 -3688.408
    Position Y (km) 71.038 70.98
    Position Z (km) 6269.895 6272.302
    Velocity X (km/s) -5.998 -6.254
    Velocity Y (km/s) 2.481 -1.692
    Velocity Z (km/s) -3.556 -3.607

    Orbital Parameters 国际轨道数据源

    Parameter LANDSAT 1 (ERTS 1) COSMOS 1275 DEB
    Semimajor Axis (a) 7279.391 km 7312.273 km
    Eccentricity (e) 0.000721 0.006551
    Inclination (i) 99.3245° 82.8873°
    RAAN 340.8436° 13.5383°
    Perigee Argument 228.6925° 76.6201°
    Mean Anomaly (M) 131.3617° 284.2255°
    Apogee 906.506 km 982.041 km
    Perigee 896.002 km 886.231 km
    Orbit Epoch 2026-11-04T19:48:53+0000 2026-11-03T12:23:27+0000

    LANDSAT 1 (ERTS 1) & COSMOS 1275 DEB Collision Probability (Pc) Trend

    LANDSAT 1 (ERTS 1) & COSMOS 1275 DEB Collision Probability (Pc) TrendNot Available

    LANDSAT 1 (ERTS 1) & COSMOS 1275 DEB Miss Distance (Miss Distance) Trend

    LANDSAT 1 (ERTS 1) & COSMOS 1275 DEB Miss Distance (Miss Distance) TrendNot Available

    LANDSAT 1 (ERTS 1)Miss 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 1 (ERTS 1)Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1275 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LANDSAT 1 (ERTS 1)

    No nearby objects data