Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.603454E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T06:23:12+0800
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    1 Object 1

    AOE ID 3757
    NORAD ID 3757
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 51462
    NORAD ID 51462
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 249 DEB STARLINK-3166
    Time of Closest Approach 2026-10-29T02:47:44+0000
    Collision Probability (Pc) 1.603454E-6
    Conjunction Distance (km) 2.489 km
    Relative Speed (km/s) 12.528 km/s
    Conjunction Risk Parameters R (Radial): -1.651 | I (In-track): -1.069 | C (Cross-track): -1.523
    Collision Risk Index (CRI) 0.39
    X Position (km) 3831.814 3829.38
    Position Y (km) -5027.685 -5027.553
    Position Z (km) 2631.573 2631.072
    Velocity X (km/s) 4.724 2.587
    Velocity Y (km/s) 0.317 4.785
    Velocity Z (km/s) -6.15 5.357

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 249 DEB STARLINK-3166
    Semimajor Axis (a) 7091.239 km 6848.863 km
    Eccentricity (e) 0.034528 0.000135
    Inclination (i) 61.9708° 53.1598°
    RAAN 143.7810° 293.0831°
    Perigee Argument 145.1235° 61.0690°
    Mean Anomaly (M) 217.2997° 299.0446°
    Apogee 957.950 km 471.649 km
    Perigee 468.254 km 469.803 km
    Orbit Epoch 2026-10-27T23:41:32+0000 2026-10-28T06:18:47+0000

    COSMOS 249 DEB & STARLINK-3166 Collision Probability (Pc) Trend

    COSMOS 249 DEB & STARLINK-3166 Collision Probability (Pc) TrendNot Available

    COSMOS 249 DEB & STARLINK-3166 Miss Distance (Miss Distance) Trend

    COSMOS 249 DEB & STARLINK-3166 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 249 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3166Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 249 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3166Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 249 DEB

    No nearby objects data