Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.134762E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-14T13:28:44+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 31877
    NORAD ID 31877
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 63768
    NORAD ID 63768
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-33844
    Time of Closest Approach 2026-10-15T10:31:39+0000
    Collision Probability (Pc) 7.134762E-6
    Conjunction Distance (km) 1.464 km
    Relative Speed (km/s) 14.416 km/s
    Conjunction Risk Parameters R (Radial): 1.403 | I (In-track): -0.131 | C (Cross-track): 0.399
    Collision Risk Index (CRI) 0.52
    X Position (km) 4079.759 4080.911
    Position Y (km) 5377.602 5378.504
    Position Z (km) 1215.934 1215.993
    Velocity X (km/s) 0.165 -3.963
    Velocity Y (km/s) -1.796 4.15
    Velocity Z (km/s) 7.443 -5.023

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-33844
    Semimajor Axis (a) 6916.747 km 6861.168 km
    Eccentricity (e) 0.008948 0.000116
    Inclination (i) 99.0064° 43.0008°
    RAAN 52.2719° 255.9457°
    Perigee Argument 0.6568° 301.1181°
    Mean Anomaly (M) 359.4758° 58.9557°
    Apogee 600.498 km 483.825 km
    Perigee 476.722 km 482.237 km
    Orbit Epoch 2026-10-13T13:55:49+0000 2026-10-13T07:35:37+0000

    FENGYUN 1C DEB & STARLINK-33844 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-33844 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-33844 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-33844 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33844Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33844Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data