Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.037539E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T22:08:36+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) 1.037539E-6
    Conjunction Distance (km) 2.914 km
    Relative Speed (km/s) 8.874 km/s
    Conjunction Risk Parameters R (Radial): -2.887 | I (In-track): 0.31 | C (Cross-track): -0.233
    Collision Risk Index (CRI) 0.35
    X Position (km) -940.526 -940.483
    Position Y (km) -920.212 -920.019
    Position Z (km) -7021.876 -7018.969
    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) 7129.288 km 7131.805 km
    Eccentricity (e) 0.003795 0.000308
    Inclination (i) 98.4595° 86.3963°
    RAAN 168.7842° 245.2427°
    Perigee Argument 31.8308° 135.9059°
    Mean Anomaly (M) 328.5165° 224.2387°
    Apogee 778.208 km 755.866 km
    Perigee 724.094 km 751.470 km
    Orbit Epoch 2026-10-27T02:09:49+0000 2026-10-27T05:26:15+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