Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.45942E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T04:44:32+0800
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    1 Object 1

    AOE ID 5398
    NORAD ID 5398
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 35455
    NORAD ID 35455
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter RIGIDSPHERE 2 (LCS 4) COSMOS 2251 DEB
    Time of Closest Approach 2026-09-18T03:02:36+0000
    Collision Probability (Pc) 1.45942E-6
    Conjunction Distance (km) 2.798 km
    Relative Speed (km/s) 14.683 km/s
    Conjunction Risk Parameters R (Radial): 1.728 | I (In-track): -0.356 | C (Cross-track): -2.171
    Collision Risk Index (CRI) 0.38
    X Position (km) -4756.869 -4756.373
    Position Y (km) 5181.163 5183.853
    Position Z (km) 1354.804 1355.39
    Velocity X (km/s) -1.165 -0.594
    Velocity Y (km/s) 0.803 -2.43
    Velocity Z (km/s) -7.317 6.994

    Orbital Parameters 国际轨道数据源

    Parameter RIGIDSPHERE 2 (LCS 4) COSMOS 2251 DEB
    Semimajor Axis (a) 7143.395 km 7100.066 km
    Eccentricity (e) 0.005755 0.009985
    Inclination (i) 87.6211° 74.0258°
    RAAN 313.7190° 136.3845°
    Perigee Argument 293.6667° 173.3090°
    Mean Anomaly (M) 65.8498° 186.9433°
    Apogee 806.370 km 792.824 km
    Perigee 724.146 km 651.034 km
    Orbit Epoch 2026-09-15T14:07:51+0000 2026-09-14T09:38:40+0000

    RIGIDSPHERE 2 (LCS 4) & COSMOS 2251 DEB Collision Probability (Pc) Trend

    RIGIDSPHERE 2 (LCS 4) & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    RIGIDSPHERE 2 (LCS 4) & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    RIGIDSPHERE 2 (LCS 4) & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    RIGIDSPHERE 2 (LCS 4)Miss 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

    RIGIDSPHERE 2 (LCS 4)Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with RIGIDSPHERE 2 (LCS 4)

    No nearby objects data