Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.560808E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:34:58+0800
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    1 Object 1

    AOE ID 15780
    NORAD ID 15780
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 56165
    NORAD ID 56165
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1275 DEB CHECKMATE 6
    Time of Closest Approach 2026-09-12T07:59:07+0000
    Collision Probability (Pc) 1.560808E-6
    Conjunction Distance (km) 2.663 km
    Relative Speed (km/s) 14.518 km/s
    Conjunction Risk Parameters R (Radial): 1.53 | I (In-track): 0.403 | C (Cross-track): -2.141
    Collision Risk Index (CRI) 0.39
    X Position (km) 5417.698 5416.378
    Position Y (km) -363.436 -365.531
    Position Z (km) 4872.838 4871.858
    Velocity X (km/s) 4.916 -4.728
    Velocity Y (km/s) 0.913 1.876
    Velocity Z (km/s) -5.434 5.375

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1275 DEB CHECKMATE 6
    Semimajor Axis (a) 7283.272 km 7311.467 km
    Eccentricity (e) 0.004960 0.002067
    Inclination (i) 82.8173° 81.0087°
    RAAN 185.0659° 349.5070°
    Perigee Argument 262.8803° 71.4440°
    Mean Anomaly (M) 250.4662° 288.8961°
    Apogee 941.260 km 948.445 km
    Perigee 869.010 km 918.215 km
    Orbit Epoch 2026-09-09T06:07:44+0000 2026-09-10T17:44:20+0000

    COSMOS 1275 DEB & CHECKMATE 6 Collision Probability (Pc) Trend

    COSMOS 1275 DEB & CHECKMATE 6 Collision Probability (Pc) TrendNot Available

    COSMOS 1275 DEB & CHECKMATE 6 Miss Distance (Miss Distance) Trend

    COSMOS 1275 DEB & CHECKMATE 6 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1275 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CHECKMATE 6Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1275 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    CHECKMATE 6Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1275 DEB

    No nearby objects data