Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.550743E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T04:47:51+0800
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    1 Object 1

    AOE ID 4512
    NORAD ID 4512
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 41052
    NORAD ID 41052
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter OPS 0203 (DMSP 5A F2) NOAA 16 DEB
    Time of Closest Approach 2026-09-11T22:47:19+0000
    Collision Probability (Pc) 1.550743E-6
    Conjunction Distance (km) 2.126 km
    Relative Speed (km/s) 6.967 km/s
    Conjunction Risk Parameters R (Radial): 2.098 | I (In-track): 0.297 | C (Cross-track): -0.181
    Collision Risk Index (CRI) 0.39
    X Position (km) 974.848 974.95
    Position Y (km) -747.518 -748.032
    Position Z (km) -7037.799 -7039.86
    Velocity X (km/s) -6.633 -1.1
    Velocity Y (km/s) -3.37 -7.398
    Velocity Z (km/s) -0.607 0.693

    Orbital Parameters 国际轨道数据源

    Parameter OPS 0203 (DMSP 5A F2) NOAA 16 DEB
    Semimajor Axis (a) 7147.980 km 7241.509 km
    Eccentricity (e) 0.006235 0.016144
    Inclination (i) 98.8870° 98.6044°
    RAAN 204.7871° 260.4617°
    Perigee Argument 193.7186° 309.7030°
    Mean Anomaly (M) 166.2307° 49.0000°
    Apogee 814.413 km 980.282 km
    Perigee 725.273 km 746.462 km
    Orbit Epoch 2026-09-10T13:47:53+0000 2026-09-09T23:27:19+0000

    OPS 0203 (DMSP 5A F2) & NOAA 16 DEB Collision Probability (Pc) Trend

    OPS 0203 (DMSP 5A F2) & NOAA 16 DEB Collision Probability (Pc) TrendNot Available

    OPS 0203 (DMSP 5A F2) & NOAA 16 DEB Miss Distance (Miss Distance) Trend

    OPS 0203 (DMSP 5A F2) & NOAA 16 DEB Miss Distance (Miss Distance) TrendNot Available

    OPS 0203 (DMSP 5A F2)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 0203 (DMSP 5A F2)Collision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 0203 (DMSP 5A F2)

    No nearby objects data