Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.031045E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T14:33:17+0800
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    1 Object 1

    AOE ID 4953
    NORAD ID 4953
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 25319
    NORAD ID 25319
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OPS 5268 (DMSP 5A F3) IRIDIUM 69
    Time of Closest Approach 2026-10-30T03:02:23+0000
    Collision Probability (Pc) 1.031045E-6
    Conjunction Distance (km) 2.929 km
    Relative Speed (km/s) 8.874 km/s
    Conjunction Risk Parameters R (Radial): -2.884 | I (In-track): 0.401 | C (Cross-track): -0.307
    Collision Risk Index (CRI) 0.35
    X Position (km) -940.438 -940.495
    Position Y (km) -920.207 -920.072
    Position Z (km) -7021.905 -7018.98
    Velocity X (km/s) -7.312 -3.146
    Velocity Y (km/s) 1.182 -6.64
    Velocity Z (km/s) 0.852 1.291

    Orbital Parameters 国际轨道数据源

    Parameter OPS 5268 (DMSP 5A F3) IRIDIUM 69
    Semimajor Axis (a) 7129.287 km 7131.803 km
    Eccentricity (e) 0.003791 0.000314
    Inclination (i) 98.4593° 86.3964°
    RAAN 169.6097° 244.9491°
    Perigee Argument 29.3799° 134.7246°
    Mean Anomaly (M) 330.9511° 225.4210°
    Apogee 778.179 km 755.907 km
    Perigee 724.121 km 751.425 km
    Orbit Epoch 2026-10-27T22:08:39+0000 2026-10-27T22:05:52+0000

    OPS 5268 (DMSP 5A F3) & IRIDIUM 69 Collision Probability (Pc) Trend

    OPS 5268 (DMSP 5A F3) & IRIDIUM 69 Collision Probability (Pc) TrendNot Available

    OPS 5268 (DMSP 5A F3) & IRIDIUM 69 Miss Distance (Miss Distance) Trend

    OPS 5268 (DMSP 5A F3) & IRIDIUM 69 Miss Distance (Miss Distance) TrendNot Available

    OPS 5268 (DMSP 5A F3)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 69Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 5268 (DMSP 5A F3)Collision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 69Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 5268 (DMSP 5A F3)

    No nearby objects data