Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.662787E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T11:35:31+0800
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    1 Object 1

    AOE ID 4047
    NORAD ID 4047
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64662
    NORAD ID 64662
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter OPS 1127 (DMSP 4B F3) CZ-6A DEB
    Time of Closest Approach 2026-09-15T23:10:41+0000
    Collision Probability (Pc) 1.662787E-6
    Conjunction Distance (km) 2.559 km
    Relative Speed (km/s) 14.46 km/s
    Conjunction Risk Parameters R (Radial): -1.146 | I (In-track): -0.564 | C (Cross-track): 2.217
    Collision Risk Index (CRI) 0.39
    X Position (km) -323.792 -321.48
    Position Y (km) -1979.818 -1979.21
    Position Z (km) -6893.884 -6892.973
    Velocity X (km/s) -2.863 -0.683
    Velocity Y (km/s) 6.644 -7.132
    Velocity Z (km/s) -1.74 2.074

    Orbital Parameters 国际轨道数据源

    Parameter OPS 1127 (DMSP 4B F3) CZ-6A DEB
    Semimajor Axis (a) 7171.426 km 7203.352 km
    Eccentricity (e) 0.004390 0.004522
    Inclination (i) 98.4125° 88.9930°
    RAAN 108.9321° 264.5205°
    Perigee Argument 355.5076° 284.0300°
    Mean Anomaly (M) 4.5707° 75.5864°
    Apogee 824.773 km 857.790 km
    Perigee 761.805 km 792.640 km
    Orbit Epoch 2026-09-13T12:52:02+0000 2026-09-13T12:19:58+0000

    OPS 1127 (DMSP 4B F3) & CZ-6A DEB Collision Probability (Pc) Trend

    OPS 1127 (DMSP 4B F3) & CZ-6A DEB Collision Probability (Pc) TrendNot Available

    OPS 1127 (DMSP 4B F3) & CZ-6A DEB Miss Distance (Miss Distance) Trend

    OPS 1127 (DMSP 4B F3) & CZ-6A DEB Miss Distance (Miss Distance) TrendNot Available

    OPS 1127 (DMSP 4B F3)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-6A DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 1127 (DMSP 4B F3)Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-6A DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 1127 (DMSP 4B F3)

    No nearby objects data