Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.739782E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T20:30:32+0800
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    1 Object 1

    AOE ID 34006
    NORAD ID 34006
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 59406
    NORAD ID 59406
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-31391
    Time of Closest Approach 2026-10-13T16:15:12+0000
    Collision Probability (Pc) 4.739782E-6
    Conjunction Distance (km) 1.345 km
    Relative Speed (km/s) 5.216 km/s
    Conjunction Risk Parameters R (Radial): -1.291 | I (In-track): -0.35 | C (Cross-track): -0.132
    Collision Risk Index (CRI) 0.49
    X Position (km) 4192.677 4191.947
    Position Y (km) 4108.33 4107.282
    Position Z (km) 3545.796 3545.376
    Velocity X (km/s) 0.959 -3.095
    Velocity Y (km/s) 4.366 6.093
    Velocity Z (km/s) -6.18 -3.389

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-31391
    Semimajor Axis (a) 6862.227 km 6861.228 km
    Eccentricity (e) 0.000528 0.000050
    Inclination (i) 74.0553° 43.0022°
    RAAN 235.9207° 267.1746°
    Perigee Argument 206.3564° 265.0841°
    Mean Anomaly (M) 214.7647° 94.9954°
    Apogee 487.717 km 483.433 km
    Perigee 480.463 km 482.749 km
    Orbit Epoch 2026-10-12T22:35:01+0000 2026-10-13T06:16:07+0000

    COSMOS 2251 DEB & STARLINK-31391 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-31391 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-31391 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-31391 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31391Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31391Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data