Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.749464E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T15:43:56+0800
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    1 Object 1

    AOE ID 29522
    NORAD ID 29522
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 30810
    NORAD ID 30810
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter DMSP 5D-3 F17 (USA 191) FENGYUN 1C DEB
    Time of Closest Approach 2026-10-30T01:26:43+0000
    Collision Probability (Pc) 1.749464E-6
    Conjunction Distance (km) 2.485 km
    Relative Speed (km/s) 14.443 km/s
    Conjunction Risk Parameters R (Radial): 2.479 | I (In-track): -0.071 | C (Cross-track): -0.16
    Collision Risk Index (CRI) 0.4
    X Position (km) -2148.957 -2148.078
    Position Y (km) 4256.159 4254.801
    Position Z (km) -5441.407 -5439.521
    Velocity X (km/s) 3.971 -0.971
    Velocity Y (km/s) -4.072 5.695
    Velocity Z (km/s) -4.754 4.668

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-3 F17 (USA 191) FENGYUN 1C DEB
    Semimajor Axis (a) 7220.383 km 7243.493 km
    Eccentricity (e) 0.001080 0.017691
    Inclination (i) 98.7421° 98.6770°
    RAAN 304.8505° 104.2309°
    Perigee Argument 41.5558° 234.9933°
    Mean Anomaly (M) 318.6435° 123.4522°
    Apogee 850.044 km 993.503 km
    Perigee 834.448 km 737.209 km
    Orbit Epoch 2026-10-27T23:09:01+0000 2026-10-27T10:35:25+0000

    DMSP 5D-3 F17 (USA 191) & FENGYUN 1C DEB Collision Probability (Pc) Trend

    DMSP 5D-3 F17 (USA 191) & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    DMSP 5D-3 F17 (USA 191) & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    DMSP 5D-3 F17 (USA 191) & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-3 F17 (USA 191)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-3 F17 (USA 191)Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-3 F17 (USA 191)

    No nearby objects data