Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.579308E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T15:27:19+0800
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    1 Object 1

    AOE ID 34006
    NORAD ID 34006
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 63242
    NORAD ID 63242
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter COSMOS 2251 DEB HERMES-1
    Time of Closest Approach 2026-09-07T13:32:51+0000
    Collision Probability (Pc) 2.579308E-6
    Conjunction Distance (km) 2.096 km
    Relative Speed (km/s) 15.129 km/s
    Conjunction Risk Parameters R (Radial): 2.074 | I (In-track): -0.042 | C (Cross-track): 0.305
    Collision Risk Index (CRI) 0.43
    X Position (km) 3949.638 3950.623
    Position Y (km) -2381.26 -2382.198
    Position Z (km) 5095.902 5097.497
    Velocity X (km/s) -2.805 3.995
    Velocity Y (km/s) 5.332 -4.111
    Velocity Z (km/s) 4.658 -5.01

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB HERMES-1
    Semimajor Axis (a) 6877.617 km 6877.320 km
    Eccentricity (e) 0.000427 0.000528
    Inclination (i) 74.0548° 97.3773°
    RAAN 315.9705° 137.3019°
    Perigee Argument 317.4441° 267.5997°
    Mean Anomaly (M) 217.5305° 92.4635°
    Apogee 502.419 km 502.815 km
    Perigee 496.541 km 495.551 km
    Orbit Epoch 2026-09-04T22:59:55+0000 2026-09-04T02:55:59+0000

    COSMOS 2251 DEB & HERMES-1 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & HERMES-1 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & HERMES-1 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & HERMES-1 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HERMES-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data