Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.462866E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:16:13+0800
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    1 Object 1

    AOE ID 33765
    NORAD ID 33765
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 58531
    NORAD ID 58531
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-31012
    Time of Closest Approach 2026-09-06T10:04:30+0000
    Collision Probability (Pc) 2.462866E-6
    Conjunction Distance (km) 1.601 km
    Relative Speed (km/s) 4.413 km/s
    Conjunction Risk Parameters R (Radial): 1.535 | I (In-track): 0.433 | C (Cross-track): -0.144
    Collision Risk Index (CRI) 0.43
    X Position (km) 4815.784 4816.702
    Position Y (km) -1131.752 -1131.661
    Position Z (km) 4713.091 4714.399
    Velocity X (km/s) -4.068 -1.431
    Velocity Y (km/s) 3.947 6.836
    Velocity Z (km/s) 5.135 3.094

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-31012
    Semimajor Axis (a) 6854.606 km 6840.867 km
    Eccentricity (e) 0.004745 0.000133
    Inclination (i) 74.0006° 53.1605°
    RAAN 336.7823° 314.0328°
    Perigee Argument 354.9557° 74.9297°
    Mean Anomaly (M) 5.1160° 285.1853°
    Apogee 508.996 km 463.642 km
    Perigee 443.942 km 461.818 km
    Orbit Epoch 2026-09-03T15:57:35+0000 2026-09-03T16:09:35+0000

    COSMOS 2251 DEB & STARLINK-31012 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-31012 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-31012 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-31012 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31012Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31012Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data