Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.9498E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-05T20:38:29+0800
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    1 Object 1

    AOE ID 33972
    NORAD ID 33972
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 49260
    NORAD ID 49260
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB LANDSAT 9
    Time of Closest Approach 2026-11-06T05:15:43+0000
    Collision Probability (Pc) 3.9498E-6
    Conjunction Distance (km) 1.61 km
    Relative Speed (km/s) 9.424 km/s
    Conjunction Risk Parameters R (Radial): 1.581 | I (In-track): -0.248 | C (Cross-track): -0.183
    Collision Risk Index (CRI) 0.47
    X Position (km) 2432.054 2432.868
    Position Y (km) -194.504 -194.658
    Position Z (km) 6637.262 6638.643
    Velocity X (km/s) -3.735 -6.641
    Velocity Y (km/s) 6.346 -2.588
    Velocity Z (km/s) 1.616 2.353

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB LANDSAT 9
    Semimajor Axis (a) 7140.163 km 7080.674 km
    Eccentricity (e) 0.011828 0.000118
    Inclination (i) 73.9941° 98.2140°
    RAAN 306.9003° 17.1253°
    Perigee Argument 37.0286° 85.3990°
    Mean Anomaly (M) 82.0387° 274.7343°
    Apogee 846.479 km 703.373 km
    Perigee 677.573 km 701.701 km
    Orbit Epoch 2026-11-04T16:45:01+0000 2026-11-04T18:19:33+0000

    COSMOS 2251 DEB & LANDSAT 9 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & LANDSAT 9 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & LANDSAT 9 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & LANDSAT 9 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LANDSAT 9Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LANDSAT 9Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data