Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.398994E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T01:35:33+0800
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    1 Object 1

    AOE ID 31631
    NORAD ID 31631
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59640
    NORAD ID 59640
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-31806
    Time of Closest Approach 2026-09-05T21:06:56+0000
    Collision Probability (Pc) 1.398994E-6
    Conjunction Distance (km) 2.261 km
    Relative Speed (km/s) 7.308 km/s
    Conjunction Risk Parameters R (Radial): 2.244 | I (In-track): 0.249 | C (Cross-track): -0.126
    Collision Risk Index (CRI) 0.38
    X Position (km) 5715.225 5713.446
    Position Y (km) 3633.7 3632.452
    Position Z (km) -1118.117 -1117.493
    Velocity X (km/s) -0.352 -3.731
    Velocity Y (km/s) -1.705 4.323
    Velocity Z (km/s) -7.427 -5.052

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-31806
    Semimajor Axis (a) 6873.816 km 6861.192 km
    Eccentricity (e) 0.002065 0.000091
    Inclination (i) 99.3108° 43.0011°
    RAAN 212.5741° 205.7687°
    Perigee Argument 166.3238° 269.9015°
    Mean Anomaly (M) 193.8557° 90.1733°
    Apogee 509.876 km 483.676 km
    Perigee 481.482 km 482.434 km
    Orbit Epoch 2026-09-04T17:29:31+0000 2026-09-05T06:08:53+0000

    FENGYUN 1C DEB & STARLINK-31806 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-31806 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-31806 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-31806 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31806Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31806Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data