Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.621353E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T22:40:07+0800
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    1 Object 1

    AOE ID 65579
    NORAD ID 65579
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65979
    NORAD ID 65979
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PRAETORIAN SDA_616 SDA_1669
    Time of Closest Approach 2026-09-13T23:56:36+0000
    Collision Probability (Pc) 1.621353E-6
    Conjunction Distance (km) 2.589 km
    Relative Speed (km/s) 14.326 km/s
    Conjunction Risk Parameters R (Radial): -2.588 | I (In-track): -0.008 | C (Cross-track): -0.019
    Collision Risk Index (CRI) 0.39
    X Position (km) -2336.429 -2337.243
    Position Y (km) 4169.149 4170.636
    Position Z (km) -5568.393 -5570.348
    Velocity X (km/s) 1.166 -4.148
    Velocity Y (km/s) -5.578 3.904
    Velocity Z (km/s) -4.664 4.668

    Orbital Parameters 国际轨道数据源

    Parameter PRAETORIAN SDA_616 SDA_1669
    Semimajor Axis (a) 7330.424 km 7335.971 km
    Eccentricity (e) 0.000475 0.000347
    Inclination (i) 81.3030° 81.3004°
    RAAN 290.7080° 131.2695°
    Perigee Argument 339.4390° 349.4541°
    Mean Anomaly (M) 20.6574° 10.6541°
    Apogee 955.772 km 960.377 km
    Perigee 948.802 km 955.291 km
    Orbit Epoch 2026-09-12T03:26:08+0000 2026-09-12T02:59:58+0000

    PRAETORIAN SDA_616 & SDA_1669 Collision Probability (Pc) Trend

    PRAETORIAN SDA_616 & SDA_1669 Collision Probability (Pc) TrendNot Available

    PRAETORIAN SDA_616 & SDA_1669 Miss Distance (Miss Distance) Trend

    PRAETORIAN SDA_616 & SDA_1669 Miss Distance (Miss Distance) TrendNot Available

    PRAETORIAN SDA_616Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SDA_1669Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PRAETORIAN SDA_616Collision Probability Trend

    Object 1 Probability TrendNot Available

    SDA_1669Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PRAETORIAN SDA_616

    No nearby objects data