Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.301682E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T19:49:07+0800
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    1 Object 1

    AOE ID 34452
    NORAD ID 34452
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 54002
    NORAD ID 54002
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-5109
    Time of Closest Approach 2026-09-12T22:35:27+0000
    Collision Probability (Pc) 1.301682E-6
    Conjunction Distance (km) 2.647 km
    Relative Speed (km/s) 10.462 km/s
    Conjunction Risk Parameters R (Radial): -2.258 | I (In-track): 0.994 | C (Cross-track): -0.955
    Collision Risk Index (CRI) 0.37
    X Position (km) 2924.386 2924.638
    Position Y (km) -3325.641 -3323.976
    Position Z (km) -5234.848 -5232.806
    Velocity X (km/s) 5.918 3.887
    Velocity Y (km/s) -1.802 6.294
    Velocity Z (km/s) 4.478 -1.827

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-5109
    Semimajor Axis (a) 6885.341 km 6848.858 km
    Eccentricity (e) 0.005671 0.000144
    Inclination (i) 74.0283° 53.1613°
    RAAN 332.6128° 74.3417°
    Perigee Argument 335.3985° 86.2502°
    Mean Anomaly (M) 24.4507° 273.8664°
    Apogee 546.250 km 471.705 km
    Perigee 468.158 km 469.737 km
    Orbit Epoch 2026-09-12T05:26:18+0000 2026-09-11T18:52:15+0000

    COSMOS 2251 DEB & STARLINK-5109 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-5109 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-5109 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-5109 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5109Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5109Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data