Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.217543E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T23:32:41+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 65846
    NORAD ID 65846
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DFH-1 STARLINK-35290
    Time of Closest Approach 2026-10-30T18:02:55+0000
    Collision Probability (Pc) 2.217543E-6
    Conjunction Distance (km) 1.918 km
    Relative Speed (km/s) 8.331 km/s
    Conjunction Risk Parameters R (Radial): 0.093 | I (In-track): 1.583 | C (Cross-track): 1.08
    Collision Risk Index (CRI) 0.42
    X Position (km) 4178.676 4178.377
    Position Y (km) -302.962 -301.122
    Position Z (km) -5414.258 -5414.708
    Velocity X (km/s) -4.529 1.724
    Velocity Y (km/s) 5.141 7.369
    Velocity Z (km/s) -4.112 0.921

    Orbital Parameters 国际轨道数据源

    Parameter DFH-1 STARLINK-35290
    Semimajor Axis (a) 7583.186 km 6840.851 km
    Eccentricity (e) 0.103139 0.000112
    Inclination (i) 68.4250° 53.1571°
    RAAN 148.9332° 81.5888°
    Perigee Argument 219.8573° 115.1630°
    Mean Anomaly (M) 132.2192° 244.9489°
    Apogee 1987.175 km 463.482 km
    Perigee 422.923 km 461.946 km
    Orbit Epoch 2026-10-28T20:59:56+0000 2026-10-28T14:49:00+0000

    DFH-1 & STARLINK-35290 Collision Probability (Pc) Trend

    DFH-1 & STARLINK-35290 Collision Probability (Pc) TrendNot Available

    DFH-1 & STARLINK-35290 Miss Distance (Miss Distance) Trend

    DFH-1 & STARLINK-35290 Miss Distance (Miss Distance) TrendNot Available

    DFH-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35290Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DFH-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35290Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DFH-1

    No nearby objects data