Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.179691E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:41:34+0800
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    1 Object 1

    AOE ID 34036
    NORAD ID 34036
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 59583
    NORAD ID 59583
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-31697
    Time of Closest Approach 2026-09-13T03:02:00+0000
    Collision Probability (Pc) 1.179691E-5
    Conjunction Distance (km) 1.161 km
    Relative Speed (km/s) 9.475 km/s
    Conjunction Risk Parameters R (Radial): 0.638 | I (In-track): 0.76 | C (Cross-track): -0.603
    Collision Risk Index (CRI) 0.56
    X Position (km) 1516.674 1517.715
    Position Y (km) -4847.436 -4847.943
    Position Z (km) -4615.634 -4615.708
    Velocity X (km/s) 4.13 6.953
    Velocity Y (km/s) -3.694 2.992
    Velocity Z (km/s) 5.234 -0.856

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-31697
    Semimajor Axis (a) 6868.200 km 6861.209 km
    Eccentricity (e) 0.001612 0.000138
    Inclination (i) 74.0009° 43.0042°
    RAAN 307.1918° 48.6143°
    Perigee Argument 303.5419° 266.6310°
    Mean Anomaly (M) 56.4241° 93.4385°
    Apogee 501.134 km 484.016 km
    Perigee 478.992 km 482.128 km
    Orbit Epoch 2026-09-10T21:42:34+0000 2026-09-09T21:00:13+0000

    COSMOS 2251 DEB & STARLINK-31697 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-31697 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-31697 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-31697 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31697Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31697Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data