Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.291374E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:50:22+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 30899
    NORAD ID 30899
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 41925
    NORAD ID 41925
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 112
    Time of Closest Approach 2026-10-20T21:23:58+0000
    Collision Probability (Pc) 9.291374E-6
    Conjunction Distance (km) 1.363 km
    Relative Speed (km/s) 14.907 km/s
    Conjunction Risk Parameters R (Radial): -0.49 | I (In-track): -0.054 | C (Cross-track): 1.271
    Collision Risk Index (CRI) 0.54
    X Position (km) -5797.859 -5798.992
    Position Y (km) -4190.818 -4190.077
    Position Z (km) -260.751 -260.903
    Velocity X (km/s) -0.889 0.487
    Velocity Y (km/s) 0.824 -0.226
    Velocity Z (km/s) 7.362 -7.444

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 112
    Semimajor Axis (a) 7150.799 km 7155.800 km
    Eccentricity (e) 0.003137 0.000213
    Inclination (i) 99.1682° 86.3992°
    RAAN 213.1050° 35.9955°
    Perigee Argument 106.9764° 93.7548°
    Mean Anomaly (M) 14.3610° 266.3891°
    Apogee 795.094 km 779.188 km
    Perigee 750.230 km 776.138 km
    Orbit Epoch 2026-10-18T14:46:35+0000 2026-10-20T05:29:02+0000

    FENGYUN 1C DEB & IRIDIUM 112 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 112 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 112 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 112 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 112Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 112Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data