Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.137991E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T19:35:00+0800
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    1 Object 1

    Name MAST
    AOE ID 31126
    NORAD ID 31126
    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 MAST COSMOS 1275 DEB
    Time of Closest Approach 2026-09-10T21:42:39+0000
    Collision Probability (Pc) 2.137991E-6
    Conjunction Distance (km) 2.227 km
    Relative Speed (km/s) 13.978 km/s
    Conjunction Risk Parameters R (Radial): -1.571 | I (In-track): -0.559 | C (Cross-track): -1.474
    Collision Risk Index (CRI) 0.42
    X Position (km) 832.269 833.495
    Position Y (km) -647.794 -648.318
    Position Z (km) -7026.337 -7024.555
    Velocity X (km/s) -5.372 0.677
    Velocity Y (km/s) -5.173 7.421
    Velocity Z (km/s) -0.209 -0.61

    Orbital Parameters 国际轨道数据源

    Parameter MAST COSMOS 1275 DEB
    Semimajor Axis (a) 7062.358 km 7088.995 km
    Eccentricity (e) 0.008224 0.001219
    Inclination (i) 98.4402° 82.8399°
    RAAN 222.9318° 86.7776°
    Perigee Argument 143.1754° 124.5306°
    Mean Anomaly (M) 217.5135° 235.7047°
    Apogee 742.303 km 719.500 km
    Perigee 626.139 km 702.216 km
    Orbit Epoch 2026-09-10T04:04:30+0000 2026-09-09T06:31:21+0000

    MAST & COSMOS 1275 DEB Collision Probability (Pc) Trend

    MAST & COSMOS 1275 DEB Collision Probability (Pc) TrendNot Available

    MAST & COSMOS 1275 DEB Miss Distance (Miss Distance) Trend

    MAST & COSMOS 1275 DEB Miss Distance (Miss Distance) TrendNot Available

    MASTMiss 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

    MASTCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1275 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with MAST

    No nearby objects data