Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.28253E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-25T16:19:28+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 66324
    NORAD ID 66324
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DFH-1 STARLINK-35506
    Time of Closest Approach 2026-09-25T12:38:10+0000
    Collision Probability (Pc) 1.28253E-6
    Conjunction Distance (km) 2.289 km
    Relative Speed (km/s) 6.565 km/s
    Conjunction Risk Parameters R (Radial): 1.442 | I (In-track): 1.604 | C (Cross-track): 0.765
    Collision Risk Index (CRI) 0.37
    X Position (km) 2723.73 2722.707
    Position Y (km) 4323.162 4324.273
    Position Z (km) -4580.689 -4582.409
    Velocity X (km/s) -5.916 -6.837
    Velocity Y (km/s) -2.007 3.19
    Velocity Z (km/s) -4.957 -1.053

    Orbital Parameters 国际轨道数据源

    Parameter DFH-1 STARLINK-35506
    Semimajor Axis (a) 7583.382 km 6861.158 km
    Eccentricity (e) 0.103207 0.000087
    Inclination (i) 68.4266° 43.0012°
    RAAN 218.3608° 171.6148°
    Perigee Argument 250.4589° 261.4730°
    Mean Anomaly (M) 98.2303° 98.6023°
    Apogee 1987.906 km 483.620 km
    Perigee 422.584 km 482.422 km
    Orbit Epoch 2026-09-24T20:48:12+0000 2026-09-24T02:33:25+0000

    DFH-1 & STARLINK-35506 Collision Probability (Pc) Trend

    DFH-1 & STARLINK-35506 Collision Probability (Pc) TrendNot Available

    DFH-1 & STARLINK-35506 Miss Distance (Miss Distance) Trend

    DFH-1 & STARLINK-35506 Miss Distance (Miss Distance) TrendNot Available

    DFH-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35506Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DFH-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35506Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DFH-1

    No nearby objects data