Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.345397E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T10:47:28+0800
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    1 Object 1

    AOE ID 1864
    NORAD ID 1864
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65573
    NORAD ID 65573
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OPS 1509 (TRANSIT 10) PRAETORIAN SDA_610
    Time of Closest Approach 2026-10-22T22:20:55+0000
    Collision Probability (Pc) 7.345397E-7
    Conjunction Distance (km) 2.688 km
    Relative Speed (km/s) 3.896 km/s
    Conjunction Risk Parameters R (Radial): -0.89 | I (In-track): 2.44 | C (Cross-track): 0.691
    Collision Risk Index (CRI) 0.32
    X Position (km) 1527.72 1528.78
    Position Y (km) 1261.603 1263.561
    Position Z (km) 7051.054 7049.549
    Velocity X (km/s) 5.176 1.912
    Velocity Y (km/s) 4.841 6.928
    Velocity Z (km/s) -2.066 -1.658

    Orbital Parameters 国际轨道数据源

    Parameter OPS 1509 (TRANSIT 10) PRAETORIAN SDA_610
    Semimajor Axis (a) 7345.252 km 7329.506 km
    Eccentricity (e) 0.010880 0.000602
    Inclination (i) 89.0824° 81.2989°
    RAAN 222.9559° 253.7742°
    Perigee Argument 190.3166° 207.8946°
    Mean Anomaly (M) 169.5770° 152.1888°
    Apogee 1047.034 km 955.786 km
    Perigee 887.196 km 946.952 km
    Orbit Epoch 2026-10-21T12:44:45+0000 2026-10-21T14:36:38+0000

    OPS 1509 (TRANSIT 10) & PRAETORIAN SDA_610 Collision Probability (Pc) Trend

    OPS 1509 (TRANSIT 10) & PRAETORIAN SDA_610 Collision Probability (Pc) TrendNot Available

    OPS 1509 (TRANSIT 10) & PRAETORIAN SDA_610 Miss Distance (Miss Distance) Trend

    OPS 1509 (TRANSIT 10) & PRAETORIAN SDA_610 Miss Distance (Miss Distance) TrendNot Available

    OPS 1509 (TRANSIT 10)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PRAETORIAN SDA_610Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 1509 (TRANSIT 10)Collision Probability Trend

    Object 1 Probability TrendNot Available

    PRAETORIAN SDA_610Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 1509 (TRANSIT 10)

    No nearby objects data