Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.23541E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T05:23:08+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 30082
    NORAD ID 30082
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59937
    NORAD ID 59937
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-31879
    Time of Closest Approach 2026-10-20T22:37:12+0000
    Collision Probability (Pc) 4.23541E-6
    Conjunction Distance (km) 1.71 km
    Relative Speed (km/s) 13.82 km/s
    Conjunction Risk Parameters R (Radial): -1.548 | I (In-track): 0.321 | C (Cross-track): 0.652
    Collision Risk Index (CRI) 0.48
    X Position (km) 726.675 726.27
    Position Y (km) -5720.446 -5722.033
    Position Z (km) 3707.077 3707.571
    Velocity X (km/s) -1.892 6.836
    Velocity Y (km/s) 3.863 -1.19
    Velocity Z (km/s) 6.281 -3.167

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-31879
    Semimajor Axis (a) 6832.646 km 6861.191 km
    Eccentricity (e) 0.004260 0.000125
    Inclination (i) 98.8401° 43.0021°
    RAAN 281.1757° 151.6871°
    Perigee Argument 187.2106° 272.8178°
    Mean Anomaly (M) 172.8527° 87.2530°
    Apogee 483.617 km 483.910 km
    Perigee 425.401 km 482.198 km
    Orbit Epoch 2026-10-19T10:32:37+0000 2026-10-19T00:33:22+0000

    FENGYUN 1C DEB & STARLINK-31879 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-31879 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-31879 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-31879 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31879Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31879Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data