Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.318071E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T21:07:48+0800
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    1 Object 1

    AOE ID 35071
    NORAD ID 35071
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 55669
    NORAD ID 55669
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-5459
    Time of Closest Approach 2026-09-14T12:43:18+0000
    Collision Probability (Pc) 1.318071E-6
    Conjunction Distance (km) 2.556 km
    Relative Speed (km/s) 9.704 km/s
    Conjunction Risk Parameters R (Radial): -2.223 | I (In-track): 0.961 | C (Cross-track): 0.814
    Collision Risk Index (CRI) 0.37
    X Position (km) 644.917 643.874
    Position Y (km) -2755.766 -2756.786
    Position Z (km) -6350.21 -6352.308
    Velocity X (km/s) 6.153 5.341
    Velocity Y (km/s) -3.763 5.089
    Velocity Z (km/s) 2.223 -1.667

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-5459
    Semimajor Axis (a) 6916.799 km 6950.220 km
    Eccentricity (e) 0.006015 0.000330
    Inclination (i) 73.9329° 69.9998°
    RAAN 331.8199° 54.3429°
    Perigee Argument 163.2114° 271.9973°
    Mean Anomaly (M) 197.1088° 88.0808°
    Apogee 580.269 km 574.378 km
    Perigee 497.055 km 569.788 km
    Orbit Epoch 2026-09-10T11:59:54+0000 2026-09-12T03:30:08+0000

    COSMOS 2251 DEB & STARLINK-5459 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-5459 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-5459 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-5459 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5459Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5459Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data