Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.468959E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T12:19:31+0800
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    1 Object 1

    AOE ID 35661
    NORAD ID 35661
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 55439
    NORAD ID 55439
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-5634
    Time of Closest Approach 2026-11-02T00:20:40+0000
    Collision Probability (Pc) 2.468959E-6
    Conjunction Distance (km) 1.865 km
    Relative Speed (km/s) 8.785 km/s
    Conjunction Risk Parameters R (Radial): -0.845 | I (In-track): 1.361 | C (Cross-track): -0.955
    Collision Risk Index (CRI) 0.43
    X Position (km) 801.041 799.503
    Position Y (km) -2539.287 -2539.879
    Position Z (km) 6413.385 6414.258
    Velocity X (km/s) 6.661 5.501
    Velocity Y (km/s) -2.986 5.039
    Velocity Z (km/s) -2.072 1.307

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-5634
    Semimajor Axis (a) 6975.701 km 6950.195 km
    Eccentricity (e) 0.008385 0.000289
    Inclination (i) 74.0102° 69.9999°
    RAAN 160.5145° 233.2497°
    Perigee Argument 182.1980° 274.4634°
    Mean Anomaly (M) 177.8847° 85.6194°
    Apogee 656.056 km 574.071 km
    Perigee 539.072 km 570.045 km
    Orbit Epoch 2026-10-28T08:41:18+0000 2026-10-30T04:41:51+0000

    COSMOS 2251 DEB & STARLINK-5634 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-5634 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-5634 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-5634 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5634Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5634Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data