Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.249267E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-02T06:38:31+0800
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    1 Object 1

    AOE ID 31231
    NORAD ID 31231
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 49147
    NORAD ID 49147
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-3071
    Time of Closest Approach 2026-09-02T02:16:24+0000
    Collision Probability (Pc) 1.249267E-6
    Conjunction Distance (km) 2.793 km
    Relative Speed (km/s) 11.171 km/s
    Conjunction Risk Parameters R (Radial): -2.535 | I (In-track): 0.806 | C (Cross-track): 0.851
    Collision Risk Index (CRI) 0.37
    X Position (km) -484.239 -483.766
    Position Y (km) 2486.051 2486.064
    Position Z (km) -6474.511 -6477.263
    Velocity X (km/s) 1.933 -7.436
    Velocity Y (km/s) 6.865 1.006
    Velocity Z (km/s) 2.578 0.941

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-3071
    Semimajor Axis (a) 6984.077 km 6950.191 km
    Eccentricity (e) 0.011895 0.000294
    Inclination (i) 98.8668° 70.0000°
    RAAN 74.5884° 171.1534°
    Perigee Argument 0.6675° 270.0256°
    Mean Anomaly (M) 359.4676° 90.0566°
    Apogee 689.013 km 574.096 km
    Perigee 522.867 km 570.012 km
    Orbit Epoch 2026-08-30T11:37:19+0000 2026-09-01T12:13:14+0000

    FENGYUN 1C DEB & STARLINK-3071 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-3071 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-3071 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-3071 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3071Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3071Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data