Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.450915E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T21:03:44+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 34430
    NORAD ID 34430
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter MAST COSMOS 2251 DEB
    Time of Closest Approach 2026-10-24T17:23:25+0000
    Collision Probability (Pc) 7.450915E-6
    Conjunction Distance (km) 1.456 km
    Relative Speed (km/s) 14.926 km/s
    Conjunction Risk Parameters R (Radial): -0.237 | I (In-track): -0.148 | C (Cross-track): -1.428
    Collision Risk Index (CRI) 0.52
    X Position (km) -637.917 -636.501
    Position Y (km) 4847.795 4847.488
    Position Z (km) 5137.285 5137.423
    Velocity X (km/s) 0.884 -2.319
    Velocity Y (km/s) 5.495 -5.36
    Velocity Z (km/s) -4.996 4.735

    Orbital Parameters 国际轨道数据源

    Parameter MAST COSMOS 2251 DEB
    Semimajor Axis (a) 7062.155 km 7135.744 km
    Eccentricity (e) 0.008172 0.005992
    Inclination (i) 98.4481° 74.0498°
    RAAN 267.5772° 81.6763°
    Perigee Argument 9.0358° 74.1272°
    Mean Anomaly (M) 351.2291° 286.6476°
    Apogee 741.734 km 800.361 km
    Perigee 626.302 km 714.853 km
    Orbit Epoch 2026-10-23T19:26:54+0000 2026-10-23T19:29:41+0000

    MAST & COSMOS 2251 DEB Collision Probability (Pc) Trend

    MAST & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    MAST & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    MAST & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    MASTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    MASTCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with MAST

    No nearby objects data