Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.058045E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T09:39:21+0800
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    1 Object 1

    AOE ID 58952
    NORAD ID 58952
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63833
    NORAD ID 63833
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter STARLINK-31293 HERMES 4
    Time of Closest Approach 2026-09-07T10:22:06+0000
    Collision Probability (Pc) 1.058045E-6
    Conjunction Distance (km) 2.662 km
    Relative Speed (km/s) 7.399 km/s
    Conjunction Risk Parameters R (Radial): 0.003 | I (In-track): -2.324 | C (Cross-track): 1.296
    Collision Risk Index (CRI) 0.35
    X Position (km) -4705.878 -4707.637
    Position Y (km) 2772.163 2772.15
    Position Z (km) -4140.951 -4138.954
    Velocity X (km/s) -5.523 -3.29
    Velocity Y (km/s) -3.404 3.362
    Velocity Z (km/s) 4.002 5.998

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31293 HERMES 4
    Semimajor Axis (a) 6848.876 km 6848.257 km
    Eccentricity (e) 0.000154 0.000090
    Inclination (i) 53.1596° 97.3754°
    RAAN 198.9869° 140.8915°
    Perigee Argument 90.3210° 314.0717°
    Mean Anomaly (M) 269.7968° 46.0451°
    Apogee 471.796 km 470.737 km
    Perigee 469.682 km 469.503 km
    Orbit Epoch 2026-09-04T05:50:51+0000 2026-09-04T10:25:09+0000

    STARLINK-31293 & HERMES 4 Collision Probability (Pc) Trend

    STARLINK-31293 & HERMES 4 Collision Probability (Pc) TrendNot Available

    STARLINK-31293 & HERMES 4 Miss Distance (Miss Distance) Trend

    STARLINK-31293 & HERMES 4 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31293Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31293Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31293

    No nearby objects data