Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.038476E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T13:32:15+0800
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    1 Object 1

    AOE ID 25413
    NORAD ID 25413
    Object Type PAYLOAD
    Country
    ORB ORB
    ← VS →

    2 Object 2

    AOE ID 35989
    NORAD ID 35989
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter ORBCOMM FM 17 COSMOS 2251 DEB
    Time of Closest Approach 2026-10-23T05:57:34+0000
    Collision Probability (Pc) 8.038476E-7
    Conjunction Distance (km) 2.66 km
    Relative Speed (km/s) 4.495 km/s
    Conjunction Risk Parameters R (Radial): -2.518 | I (In-track): -0.818 | C (Cross-track): 0.25
    Collision Risk Index (CRI) 0.33
    X Position (km) -3474.072 -3473.091
    Position Y (km) -5274.989 -5272.582
    Position Z (km) 3335.894 3335.33
    Velocity X (km/s) 3.837 0.104
    Velocity Y (km/s) -5.042 -4.068
    Velocity Z (km/s) -3.966 -6.27

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 17 COSMOS 2251 DEB
    Semimajor Axis (a) 7149.711 km 7145.327 km
    Eccentricity (e) 0.000367 0.002123
    Inclination (i) 44.9915° 74.0350°
    RAAN 101.5018° 72.9310°
    Perigee Argument 142.3269° 81.6923°
    Mean Anomaly (M) 217.7836° 278.6637°
    Apogee 774.197 km 782.360 km
    Perigee 768.951 km 752.020 km
    Orbit Epoch 2026-10-20T12:12:06+0000 2026-10-19T02:42:35+0000

    ORBCOMM FM 17 & COSMOS 2251 DEB Collision Probability (Pc) Trend

    ORBCOMM FM 17 & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 17 & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    ORBCOMM FM 17 & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 17Miss 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

    ORBCOMM FM 17Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 17

    No nearby objects data