Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.207582E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T06:57:29+0800
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    1 Object 1

    AOE ID 39088
    NORAD ID 39088
    Object Type PAYLOAD
    Country
    CA CA
    VS

    2 Object 2

    AOE ID 40403
    NORAD ID 40403
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter SAPPHIRE DMSP 5D-2 F13 DEB
    Time of Closest Approach 2026-09-16T02:13:08+0000
    Collision Probability (Pc) 1.207582E-5
    Conjunction Distance (km) 1.253 km
    Relative Speed (km/s) 14.264 km/s
    Conjunction Risk Parameters R (Radial): 1.248 | I (In-track): 0.023 | C (Cross-track): -0.103
    Collision Risk Index (CRI) 0.57
    X Position (km) 72.562 72.468
    Position Y (km) -3602.786 -3603.41
    Position Z (km) 6177.823 6178.905
    Velocity X (km/s) -2.047 -2.357
    Velocity Y (km/s) -6.215 6.116
    Velocity Z (km/s) -3.586 3.577

    Orbital Parameters 国际轨道数据源

    Parameter SAPPHIRE DMSP 5D-2 F13 DEB
    Semimajor Axis (a) 7152.340 km 7164.814 km
    Eccentricity (e) 0.001086 0.001363
    Inclination (i) 98.4314° 98.6641°
    RAAN 75.9235° 285.2481°
    Perigee Argument 346.0117° 118.0348°
    Mean Anomaly (M) 14.0766° 242.2216°
    Apogee 781.972 km 796.443 km
    Perigee 766.434 km 776.911 km
    Orbit Epoch 2026-09-15T13:57:16+0000 2026-09-15T00:46:23+0000

    SAPPHIRE & DMSP 5D-2 F13 DEB Collision Probability (Pc) Trend

    SAPPHIRE & DMSP 5D-2 F13 DEB Collision Probability (Pc) TrendNot Available

    SAPPHIRE & DMSP 5D-2 F13 DEB Miss Distance (Miss Distance) Trend

    SAPPHIRE & DMSP 5D-2 F13 DEB Miss Distance (Miss Distance) TrendNot Available

    SAPPHIREMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DMSP 5D-2 F13 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SAPPHIRECollision Probability Trend

    Object 1 Probability TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SAPPHIRE

    No nearby objects data