Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.485297E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T17:45:13+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 68921
    NORAD ID 68921
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter MAST KUIPER-00386
    Time of Closest Approach 2026-09-11T13:38:02+0000
    Collision Probability (Pc) 1.485297E-6
    Conjunction Distance (km) 2.753 km
    Relative Speed (km/s) 14.536 km/s
    Conjunction Risk Parameters R (Radial): 2.742 | I (In-track): 0.068 | C (Cross-track): -0.234
    Collision Risk Index (CRI) 0.38
    X Position (km) 4470.227 4468.618
    Position Y (km) 4859.512 4857.436
    Position Z (km) 2349.066 2348.244
    Velocity X (km/s) 2.586 -4.936
    Velocity Y (km/s) 1.069 1.933
    Velocity Z (km/s) -7.037 5.371

    Orbital Parameters 国际轨道数据源

    Parameter MAST KUIPER-00386
    Semimajor Axis (a) 7062.358 km 7007.650 km
    Eccentricity (e) 0.008224 0.000052
    Inclination (i) 98.4402° 51.9002°
    RAAN 222.9318° 35.3806°
    Perigee Argument 143.1754° 113.9374°
    Mean Anomaly (M) 217.5135° 246.1642°
    Apogee 742.303 km 629.876 km
    Perigee 626.139 km 629.150 km
    Orbit Epoch 2026-09-10T04:04:30+0000 2026-09-10T14:49:50+0000

    MAST & KUIPER-00386 Collision Probability (Pc) Trend

    MAST & KUIPER-00386 Collision Probability (Pc) TrendNot Available

    MAST & KUIPER-00386 Miss Distance (Miss Distance) Trend

    MAST & KUIPER-00386 Miss Distance (Miss Distance) TrendNot Available

    MASTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00386Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    MASTCollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00386Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with MAST

    No nearby objects data