Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.67549E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T00:05:11+0800
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    1 Object 1

    AOE ID 12728
    NORAD ID 12728
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 56167
    NORAD ID 56167
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1275 DEB CHECKMATE 2
    Time of Closest Approach 2026-10-19T03:18:27+0000
    Collision Probability (Pc) 7.67549E-7
    Conjunction Distance (km) 2.676 km
    Relative Speed (km/s) 4.186 km/s
    Conjunction Risk Parameters R (Radial): 2.248 | I (In-track): 1.385 | C (Cross-track): 0.436
    Collision Risk Index (CRI) 0.33
    X Position (km) -897.545 -896.591
    Position Y (km) -718.835 -719.822
    Position Z (km) -7237.286 -7239.582
    Velocity X (km/s) 7.106 4.996
    Velocity Y (km/s) -1.855 -5.411
    Velocity Z (km/s) -0.727 -0.076

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1275 DEB CHECKMATE 2
    Semimajor Axis (a) 7348.519 km 7323.713 km
    Eccentricity (e) 0.005541 0.000670
    Inclination (i) 82.8101° 81.0033°
    RAAN 346.8401° 313.9027°
    Perigee Argument 220.1504° 354.0916°
    Mean Anomaly (M) 168.7871° 6.0160°
    Apogee 1011.097 km 950.481 km
    Perigee 929.667 km 940.671 km
    Orbit Epoch 2026-10-18T03:31:05+0000 2026-10-18T00:00:26+0000

    COSMOS 1275 DEB & CHECKMATE 2 Collision Probability (Pc) Trend

    COSMOS 1275 DEB & CHECKMATE 2 Collision Probability (Pc) TrendNot Available

    COSMOS 1275 DEB & CHECKMATE 2 Miss Distance (Miss Distance) Trend

    COSMOS 1275 DEB & CHECKMATE 2 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1275 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CHECKMATE 2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1275 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    CHECKMATE 2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1275 DEB

    No nearby objects data