Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.199753E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:37:21+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 25985
    NORAD ID 25985
    Object Type PAYLOAD
    Country
    ORB ORB
    VS

    2 Object 2

    AOE ID 33791
    NORAD ID 33791
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter ORBCOMM FM 35 COSMOS 2251 DEB
    Time of Closest Approach 2026-09-13T10:33:59+0000
    Collision Probability (Pc) 2.199753E-6
    Conjunction Distance (km) 2.12 km
    Relative Speed (km/s) 12.226 km/s
    Conjunction Risk Parameters R (Radial): 2.119 | I (In-track): 0.028 | C (Cross-track): 0.056
    Collision Risk Index (CRI) 0.42
    X Position (km) 1181.617 1181.328
    Position Y (km) 6278.944 6277.075
    Position Z (km) -3204.635 -3203.677
    Velocity X (km/s) -5.421 -2.826
    Velocity Y (km/s) 3.103 -2.714
    Velocity Z (km/s) 4.089 -6.346

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 35 COSMOS 2251 DEB
    Semimajor Axis (a) 7142.621 km 7122.661 km
    Eccentricity (e) 0.000355 0.002844
    Inclination (i) 45.0390° 74.1707°
    RAAN 124.2076° 255.6963°
    Perigee Argument 110.8571° 3.7606°
    Mean Anomaly (M) 249.2658° 24.0765°
    Apogee 767.017 km 764.783 km
    Perigee 761.951 km 724.265 km
    Orbit Epoch 2026-09-10T07:43:39+0000 2026-09-10T23:32:59+0000

    ORBCOMM FM 35 & COSMOS 2251 DEB Collision Probability (Pc) Trend

    ORBCOMM FM 35 & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 35 & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    ORBCOMM FM 35 & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 35Miss 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 35Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 35

    No nearby objects data