Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.765302E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T14:09:41+0800
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    1 Object 1

    AOE ID 34955
    NORAD ID 34955
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 65597
    NORAD ID 65597
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-35263
    Time of Closest Approach 2026-09-16T20:05:28+0000
    Collision Probability (Pc) 1.765302E-6
    Conjunction Distance (km) 2.191 km
    Relative Speed (km/s) 9.644 km/s
    Conjunction Risk Parameters R (Radial): 1.539 | I (In-track): -1.207 | C (Cross-track): 0.988
    Collision Risk Index (CRI) 0.4
    X Position (km) -2195.89 -2194.901
    Position Y (km) 637.274 637.46
    Position Z (km) 6513.525 6515.471
    Velocity X (km/s) -5.614 -5.548
    Velocity Y (km/s) -4.953 4.643
    Velocity Z (km/s) -1.353 -2.318

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-35263
    Semimajor Axis (a) 6929.700 km 6912.664 km
    Eccentricity (e) 0.006977 0.000192
    Inclination (i) 74.0349° 97.2843°
    RAAN 42.8500° 320.5925°
    Perigee Argument 39.0839° 92.8535°
    Mean Anomaly (M) 321.5360° 18.5283°
    Apogee 599.915 km 535.857 km
    Perigee 503.211 km 533.197 km
    Orbit Epoch 2026-09-14T16:35:52+0000 2026-09-14T22:00:03+0000

    COSMOS 2251 DEB & STARLINK-35263 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-35263 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-35263 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-35263 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35263Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35263Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data