Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.420768E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T00:25:34+0800
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    1 Object 1

    AOE ID 9681
    NORAD ID 9681
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 34641
    NORAD ID 34641
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter DELTA 1 DEB COSMOS 2251 DEB
    Time of Closest Approach 2026-09-13T00:00:42+0000
    Collision Probability (Pc) 1.420768E-6
    Conjunction Distance (km) 2.051 km
    Relative Speed (km/s) 5.24 km/s
    Conjunction Risk Parameters R (Radial): 2.049 | I (In-track): 0.072 | C (Cross-track): 0.008
    Collision Risk Index (CRI) 0.38
    X Position (km) 2170.127 2169.504
    Position Y (km) -3678.622 -3677.618
    Position Z (km) 5658.224 5656.548
    Velocity X (km/s) -4.452 0.283
    Velocity Y (km/s) 4.138 6.342
    Velocity Z (km/s) 4.419 3.992

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB COSMOS 2251 DEB
    Semimajor Axis (a) 7125.925 km 7092.058 km
    Eccentricity (e) 0.005517 0.001420
    Inclination (i) 97.9791° 73.8354°
    RAAN 310.3923° 279.6470°
    Perigee Argument 20.1409° 150.8431°
    Mean Anomaly (M) 340.1942° 274.2613°
    Apogee 787.104 km 723.990 km
    Perigee 708.472 km 703.852 km
    Orbit Epoch 2026-09-12T02:08:09+0000 2026-09-12T02:34:44+0000

    DELTA 1 DEB & COSMOS 2251 DEB Collision Probability (Pc) Trend

    DELTA 1 DEB & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss 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

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data