Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.745568E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T00:32:40+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 41228
    NORAD ID 41228
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter SAPPHIRE NOAA 16 DEB
    Time of Closest Approach 2026-09-12T21:09:38+0000
    Collision Probability (Pc) 3.745568E-5
    Conjunction Distance (km) 0.848 km
    Relative Speed (km/s) 10.605 km/s
    Conjunction Risk Parameters R (Radial): -0.723 | I (In-track): 0.315 | C (Cross-track): -0.309
    Collision Risk Index (CRI) 0.66
    X Position (km) 674.507 674.05
    Position Y (km) -1355.878 -1355.948
    Position Z (km) 6984.745 6984.035
    Velocity X (km/s) -2.282 -7.06
    Velocity Y (km/s) -7.017 2.186
    Velocity Z (km/s) -1.131 1.093

    Orbital Parameters 国际轨道数据源

    Parameter SAPPHIRE NOAA 16 DEB
    Semimajor Axis (a) 7152.342 km 7163.113 km
    Eccentricity (e) 0.001106 0.001964
    Inclination (i) 98.4311° 98.7209°
    RAAN 72.7222° 340.0803°
    Perigee Argument 355.9520° 133.3595°
    Mean Anomaly (M) 4.1575° 226.9228°
    Apogee 782.119 km 799.047 km
    Perigee 766.291 km 770.905 km
    Orbit Epoch 2026-09-12T07:19:02+0000 2026-09-11T11:14:39+0000

    SAPPHIRE & NOAA 16 DEB Collision Probability (Pc) Trend

    SAPPHIRE & NOAA 16 DEB Collision Probability (Pc) TrendNot Available

    SAPPHIRE & NOAA 16 DEB Miss Distance (Miss Distance) Trend

    SAPPHIRE & NOAA 16 DEB Miss Distance (Miss Distance) TrendNot Available

    SAPPHIREMiss 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

    SAPPHIRECollision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SAPPHIRE

    No nearby objects data