Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.229613E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:28:09+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 25420
    NORAD ID 25420
    Object Type PAYLOAD
    Country
    ORB ORB
    ← VS →

    2 Object 2

    AOE ID 38310
    NORAD ID 38310
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter ORBCOMM FM 13 CZ-4B DEB
    Time of Closest Approach 2026-10-29T01:19:43+0000
    Collision Probability (Pc) 1.229613E-6
    Conjunction Distance (km) 2.738 km
    Relative Speed (km/s) 10.349 km/s
    Conjunction Risk Parameters R (Radial): 0.955 | I (In-track): 1.856 | C (Cross-track): -1.772
    Collision Risk Index (CRI) 0.37
    X Position (km) -217.299 -218.554
    Position Y (km) -5200.881 -5198.636
    Position Z (km) -4885.981 -4886.918
    Velocity X (km/s) 7.19 -1.753
    Velocity Y (km/s) -1.543 -4.903
    Velocity Z (km/s) 1.321 5.301

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 13 CZ-4B DEB
    Semimajor Axis (a) 7140.561 km 7061.831 km
    Eccentricity (e) 0.000750 0.009897
    Inclination (i) 44.9981° 98.7188°
    RAAN 348.0262° 257.2947°
    Perigee Argument 251.1845° 140.3848°
    Mean Anomaly (M) 108.8190° 233.0874°
    Apogee 767.778 km 753.582 km
    Perigee 757.070 km 613.806 km
    Orbit Epoch 2026-10-26T20:21:10+0000 2026-10-27T03:37:40+0000

    ORBCOMM FM 13 & CZ-4B DEB Collision Probability (Pc) Trend

    ORBCOMM FM 13 & CZ-4B DEB Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 13 & CZ-4B DEB Miss Distance (Miss Distance) Trend

    ORBCOMM FM 13 & CZ-4B DEB Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 13Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ORBCOMM FM 13Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 13

    No nearby objects data