Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.876965E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T02:27:47+0800
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    1 Object 1

    AOE ID 13736
    NORAD ID 13736
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 26932
    NORAD ID 26932
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OPS 9845 (DMSP 5D-2 F6) SAPPHIRE
    Time of Closest Approach 2026-10-21T00:56:33+0000
    Collision Probability (Pc) 4.876965E-6
    Conjunction Distance (km) 1.655 km
    Relative Speed (km/s) 14.716 km/s
    Conjunction Risk Parameters R (Radial): -0.123 | I (In-track): 0.267 | C (Cross-track): -1.628
    Collision Risk Index (CRI) 0.49
    X Position (km) -3414.144 -3415.533
    Position Y (km) 4568.854 4568.123
    Position Z (km) -4343.857 -4343.33
    Velocity X (km/s) -1.533 -0.568
    Velocity Y (km/s) 4.39 -5.34
    Velocity Z (km/s) 5.827 -5.17

    Orbital Parameters 国际轨道数据源

    Parameter OPS 9845 (DMSP 5D-2 F6) SAPPHIRE
    Semimajor Axis (a) 7168.005 km 7165.456 km
    Eccentricity (e) 0.000693 0.000431
    Inclination (i) 98.5915° 67.0549°
    RAAN 119.1288° 289.5207°
    Perigee Argument 325.8228° 277.0993°
    Mean Anomaly (M) 34.2508° 82.9618°
    Apogee 794.840 km 790.409 km
    Perigee 784.896 km 784.229 km
    Orbit Epoch 2026-10-19T23:56:22+0000 2026-10-20T10:29:49+0000

    OPS 9845 (DMSP 5D-2 F6) & SAPPHIRE Collision Probability (Pc) Trend

    OPS 9845 (DMSP 5D-2 F6) & SAPPHIRE Collision Probability (Pc) TrendNot Available

    OPS 9845 (DMSP 5D-2 F6) & SAPPHIRE Miss Distance (Miss Distance) Trend

    OPS 9845 (DMSP 5D-2 F6) & SAPPHIRE Miss Distance (Miss Distance) TrendNot Available

    OPS 9845 (DMSP 5D-2 F6)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SAPPHIREMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 9845 (DMSP 5D-2 F6)Collision Probability Trend

    Object 1 Probability TrendNot Available

    SAPPHIRECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 9845 (DMSP 5D-2 F6)

    No nearby objects data