Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.278454E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-28T07:24:29+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 65654
    NORAD ID 65654
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DFH-1 STARLINK-35227
    Time of Closest Approach 2026-09-29T04:27:02+0000
    Collision Probability (Pc) 1.278454E-6
    Conjunction Distance (km) 2.864 km
    Relative Speed (km/s) 12.331 km/s
    Conjunction Risk Parameters R (Radial): -1.071 | I (In-track): -1.692 | C (Cross-track): -2.046
    Collision Risk Index (CRI) 0.37
    X Position (km) -1007.178 -1007.718
    Position Y (km) 2323.641 2321.517
    Position Z (km) -6365.153 -6366.996
    Velocity X (km/s) -7.033 5.046
    Velocity Y (km/s) -3.739 -5.057
    Velocity Z (km/s) -0.545 -2.643

    Orbital Parameters 国际轨道数据源

    Parameter DFH-1 STARLINK-35227
    Semimajor Axis (a) 7583.364 km 6843.663 km
    Eccentricity (e) 0.103207 0.000120
    Inclination (i) 68.4271° 97.2828°
    RAAN 213.5455° 310.1306°
    Perigee Argument 248.3377° 100.2749°
    Mean Anomaly (M) 100.4787° 259.8630°
    Apogee 1987.883 km 466.349 km
    Perigee 422.571 km 464.703 km
    Orbit Epoch 2026-09-27T05:24:28+0000 2026-09-27T01:15:05+0000

    DFH-1 & STARLINK-35227 Collision Probability (Pc) Trend

    DFH-1 & STARLINK-35227 Collision Probability (Pc) TrendNot Available

    DFH-1 & STARLINK-35227 Miss Distance (Miss Distance) Trend

    DFH-1 & STARLINK-35227 Miss Distance (Miss Distance) TrendNot Available

    DFH-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35227Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DFH-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35227Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DFH-1

    No nearby objects data