Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.766425E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-05T16:43:35+0800
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    1 Object 1

    Name DFH-1
    AOE ID 4382
    NORAD ID 4382
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 69498
    NORAD ID 69498
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DFH-1 STARLINK-37853
    Time of Closest Approach 2026-11-05T09:08:30+0000
    Collision Probability (Pc) 1.766425E-6
    Conjunction Distance (km) 2.519 km
    Relative Speed (km/s) 15.286 km/s
    Conjunction Risk Parameters R (Radial): -1.899 | I (In-track): 0.359 | C (Cross-track): 1.614
    Collision Risk Index (CRI) 0.4
    X Position (km) 4218.526 4218.295
    Position Y (km) -1443.886 -1442.186
    Position Z (km) -5203.156 -5201.313
    Velocity X (km/s) -3.097 4.889
    Velocity Y (km/s) 5.827 -3.242
    Velocity Z (km/s) -4.495 4.866

    Orbital Parameters 国际轨道数据源

    Parameter DFH-1 STARLINK-37853
    Semimajor Axis (a) 7583.098 km 6843.605 km
    Eccentricity (e) 0.103096 0.000043
    Inclination (i) 68.4256° 97.2872°
    RAAN 134.6428° 331.9684°
    Perigee Argument 213.5494° 245.2414°
    Mean Anomaly (M) 139.6001° 114.8784°
    Apogee 1986.749 km 465.764 km
    Perigee 423.173 km 465.172 km
    Orbit Epoch 2026-11-04T20:58:56+0000 2026-11-04T19:15:52+0000

    DFH-1 & STARLINK-37853 Collision Probability (Pc) Trend

    DFH-1 & STARLINK-37853 Collision Probability (Pc) TrendNot Available

    DFH-1 & STARLINK-37853 Miss Distance (Miss Distance) Trend

    DFH-1 & STARLINK-37853 Miss Distance (Miss Distance) TrendNot Available

    DFH-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37853Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DFH-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37853Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DFH-1

    No nearby objects data