Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.906896E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T21:11:36+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 38513
    NORAD ID 38513
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 55949
    NORAD ID 55949
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-5899
    Time of Closest Approach 2026-09-13T04:20:14+0000
    Collision Probability (Pc) 5.906896E-6
    Conjunction Distance (km) 1.174 km
    Relative Speed (km/s) 3.641 km/s
    Conjunction Risk Parameters R (Radial): -1.142 | I (In-track): -0.24 | C (Cross-track): -0.114
    Collision Risk Index (CRI) 0.5
    X Position (km) -5970.447 -5971.44
    Position Y (km) 3486.939 3487.548
    Position Z (km) -721.709 -721.563
    Velocity X (km/s) -0.018 -1.946
    Velocity Y (km/s) 1.18 -1.878
    Velocity Z (km/s) 7.508 7.074

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-5899
    Semimajor Axis (a) 6997.623 km 6950.226 km
    Eccentricity (e) 0.022812 0.000283
    Inclination (i) 97.6014° 69.9998°
    RAAN 146.2818° 154.4122°
    Perigee Argument 76.3405° 281.7990°
    Mean Anomaly (M) 286.3098° 78.2851°
    Apogee 779.120 km 574.059 km
    Perigee 459.852 km 570.119 km
    Orbit Epoch 2026-09-10T09:58:41+0000 2026-09-12T04:19:54+0000

    FENGYUN 1C DEB & STARLINK-5899 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-5899 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-5899 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-5899 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5899Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5899Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data