Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.103648E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T22:03:16+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 25981
    NORAD ID 25981
    Object Type PAYLOAD
    Country
    ORB ORB
    VS

    2 Object 2

    AOE ID 57165
    NORAD ID 57165
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter ORBCOMM FM 31 SL-8 DEB
    Time of Closest Approach 2026-09-12T19:10:24+0000
    Collision Probability (Pc) 1.103648E-6
    Conjunction Distance (km) 2.998 km
    Relative Speed (km/s) 10.51 km/s
    Conjunction Risk Parameters R (Radial): -0.26 | I (In-track): -2.118 | C (Cross-track): 2.105
    Collision Risk Index (CRI) 0.36
    X Position (km) 4198.147 4200.33
    Position Y (km) 3408.014 3406.272
    Position Z (km) -4676.39 -4675.301
    Velocity X (km/s) -3.05 -5.249
    Velocity Y (km/s) 6.509 -0.765
    Velocity Z (km/s) 2.006 -5.254

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 31 SL-8 DEB
    Semimajor Axis (a) 7142.694 km 7148.537 km
    Eccentricity (e) 0.000400 0.002250
    Inclination (i) 45.0217° 74.0489°
    RAAN 107.4250° 209.4045°
    Perigee Argument 122.6899° 296.2006°
    Mean Anomaly (M) 237.4335° 63.6834°
    Apogee 767.415 km 786.485 km
    Perigee 761.699 km 754.315 km
    Orbit Epoch 2026-09-11T00:08:27+0000 2026-09-10T05:57:47+0000

    ORBCOMM FM 31 & SL-8 DEB Collision Probability (Pc) Trend

    ORBCOMM FM 31 & SL-8 DEB Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 31 & SL-8 DEB Miss Distance (Miss Distance) Trend

    ORBCOMM FM 31 & SL-8 DEB Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 31Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SL-8 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ORBCOMM FM 31Collision Probability Trend

    Object 1 Probability TrendNot Available

    SL-8 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 31

    No nearby objects data