Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.736542E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T06:27:07+0800
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    1 Object 1

    AOE ID 1510
    NORAD ID 1510
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 34760
    NORAD ID 34760
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter DODECAPOLE 2 COSMOS 2251 DEB
    Time of Closest Approach 2026-09-17T11:39:17+0000
    Collision Probability (Pc) 1.736542E-6
    Conjunction Distance (km) 2.458 km
    Relative Speed (km/s) 13.788 km/s
    Conjunction Risk Parameters R (Radial): -2.273 | I (In-track): -0.345 | C (Cross-track): -0.867
    Collision Risk Index (CRI) 0.4
    X Position (km) 2585.382 2586.106
    Position Y (km) 1252.794 1254.107
    Position Z (km) -6625.105 -6627.051
    Velocity X (km/s) 6.152 -6.635
    Velocity Y (km/s) 2.956 2.47
    Velocity Z (km/s) 2.938 -2.199

    Orbital Parameters 国际轨道数据源

    Parameter DODECAPOLE 2 COSMOS 2251 DEB
    Semimajor Axis (a) 7231.930 km 7203.166 km
    Eccentricity (e) 0.003750 0.009631
    Inclination (i) 90.0702° 74.0636°
    RAAN 25.6731° 168.2096°
    Perigee Argument 252.5035° 154.8834°
    Mean Anomaly (M) 107.2051° 19.8399°
    Apogee 880.912 km 894.405 km
    Perigee 826.674 km 755.653 km
    Orbit Epoch 2026-09-15T03:49:43+0000 2026-09-15T11:57:17+0000

    DODECAPOLE 2 & COSMOS 2251 DEB Collision Probability (Pc) Trend

    DODECAPOLE 2 & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    DODECAPOLE 2 & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    DODECAPOLE 2 & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    DODECAPOLE 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DODECAPOLE 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DODECAPOLE 2

    No nearby objects data