Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.640705E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T11:35:17+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 39106
    NORAD ID 39106
    Object Type DEBRIS
    Country
    FR FR

    Conjunction Constraints

    Parameter OPS 1127 (DMSP 4B F3) ARIANE 1 DEB
    Time of Closest Approach 2026-09-15T10:28:09+0000
    Collision Probability (Pc) 1.640705E-6
    Conjunction Distance (km) 2.583 km
    Relative Speed (km/s) 14.523 km/s
    Conjunction Risk Parameters R (Radial): 2.176 | I (In-track): -0.327 | C (Cross-track): -1.352
    Collision Risk Index (CRI) 0.39
    X Position (km) -730.386 -731.979
    Position Y (km) 4293.891 4294.958
    Position Z (km) 5673.159 5674.889
    Velocity X (km/s) 2.733 0.8
    Velocity Y (km/s) -5.358 5.981
    Velocity Z (km/s) 4.434 -4.432

    Orbital Parameters 国际轨道数据源

    Parameter OPS 1127 (DMSP 4B F3) ARIANE 1 DEB
    Semimajor Axis (a) 7171.426 km 7203.612 km
    Eccentricity (e) 0.004390 0.006445
    Inclination (i) 98.4125° 98.3878°
    RAAN 108.9321° 265.6295°
    Perigee Argument 355.5076° 153.7471°
    Mean Anomaly (M) 4.5707° 206.6997°
    Apogee 824.773 km 871.901 km
    Perigee 761.805 km 779.049 km
    Orbit Epoch 2026-09-13T12:52:02+0000 2026-09-12T07:27:54+0000

    OPS 1127 (DMSP 4B F3) & ARIANE 1 DEB Collision Probability (Pc) Trend

    OPS 1127 (DMSP 4B F3) & ARIANE 1 DEB Collision Probability (Pc) TrendNot Available

    OPS 1127 (DMSP 4B F3) & ARIANE 1 DEB Miss Distance (Miss Distance) Trend

    OPS 1127 (DMSP 4B F3) & ARIANE 1 DEB Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    ARIANE 1 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

    ARIANE 1 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 1127 (DMSP 4B F3)

    No nearby objects data