Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.165742E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T21:19:25+0800
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    1 Object 1

    AOE ID 35954
    NORAD ID 35954
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 43915
    NORAD ID 43915
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DMSP 5D-3 F18 DEB YUNHAI 2-1F
    Time of Closest Approach 2026-11-01T20:20:32+0000
    Collision Probability (Pc) 6.165742E-5
    Conjunction Distance (km) 0.707 km
    Relative Speed (km/s) 9.502 km/s
    Conjunction Risk Parameters R (Radial): -0.168 | I (In-track): 0.525 | C (Cross-track): -0.442
    Collision Risk Index (CRI) 0.71
    X Position (km) 2812.029 2812.471
    Position Y (km) -4157.173 -4157.257
    Position Z (km) -5137.508 -5136.963
    Velocity X (km/s) 1.584 6.84
    Velocity Y (km/s) -5.201 2.107
    Velocity Z (km/s) 5.084 2.043

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-3 F18 DEB YUNHAI 2-1F
    Semimajor Axis (a) 7174.062 km 7172.966 km
    Eccentricity (e) 0.000589 0.000687
    Inclination (i) 98.6487° 50.0130°
    RAAN 292.2114° 16.5820°
    Perigee Argument 71.9222° 83.4587°
    Mean Anomaly (M) 318.1228° 276.7111°
    Apogee 800.152 km 799.760 km
    Perigee 791.698 km 789.898 km
    Orbit Epoch 2026-10-29T22:06:25+0000 2026-10-29T17:08:35+0000

    DMSP 5D-3 F18 DEB & YUNHAI 2-1F Collision Probability (Pc) Trend

    DMSP 5D-3 F18 DEB & YUNHAI 2-1F Collision Probability (Pc) TrendNot Available

    DMSP 5D-3 F18 DEB & YUNHAI 2-1F Miss Distance (Miss Distance) Trend

    DMSP 5D-3 F18 DEB & YUNHAI 2-1F Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-3 F18 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 2-1FMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-3 F18 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 2-1FCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-3 F18 DEB

    No nearby objects data