Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    4.271041E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T23:29:48+0800
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    1 Object 1

    AOE ID 34856
    NORAD ID 34856
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 50198
    NORAD ID 50198
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-3264
    Time of Closest Approach 2026-10-21T10:49:10+0000
    Collision Probability (Pc) 4.271041E-4
    Conjunction Distance (km) 0.326 km
    Relative Speed (km/s) 13.043 km/s
    Conjunction Risk Parameters R (Radial): -0.324 | I (In-track): 0.001 | C (Cross-track): -0.023
    Collision Risk Index (CRI) 0.88
    X Position (km) -4858.694 -4858.475
    Position Y (km) 3545.537 3545.35
    Position Z (km) -3365.016 -3364.864
    Velocity X (km/s) -4.266 -0.903
    Velocity Y (km/s) 0.144 -5.808
    Velocity Z (km/s) 6.284 -4.823

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-3264
    Semimajor Axis (a) 6875.371 km 6887.212 km
    Eccentricity (e) 0.002822 0.000158
    Inclination (i) 74.0020° 53.1557°
    RAAN 156.4253° 305.2703°
    Perigee Argument 207.1173° 52.7803°
    Mean Anomaly (M) 166.0325° 307.3336°
    Apogee 516.634 km 510.160 km
    Perigee 477.834 km 507.990 km
    Orbit Epoch 2026-10-19T21:10:21+0000 2026-10-20T02:16:59+0000

    COSMOS 2251 DEB & STARLINK-3264 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-3264 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-3264 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-3264 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3264Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3264Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data