Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.482067E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:57:20+0800
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    1 Object 1

    AOE ID 31598
    NORAD ID 31598
    Object Type PAYLOAD
    Country
    IT IT
    ← VS →

    2 Object 2

    AOE ID 55668
    NORAD ID 55668
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SKYMED 1 STARLINK-5455
    Time of Closest Approach 2026-10-22T20:12:22+0000
    Collision Probability (Pc) 2.482067E-6
    Conjunction Distance (km) 2.128 km
    Relative Speed (km/s) 15.06 km/s
    Conjunction Risk Parameters R (Radial): 1.951 | I (In-track): 0.083 | C (Cross-track): 0.847
    Collision Risk Index (CRI) 0.43
    X Position (km) -4076.599 -4074.829
    Position Y (km) 5412.722 5411.737
    Position Z (km) 1558.846 1558.194
    Velocity X (km/s) 1.868 -3.083
    Velocity Y (km/s) -0.71 -0.323
    Velocity Z (km/s) 7.306 -6.911

    Orbital Parameters 国际轨道数据源

    Parameter SKYMED 1 STARLINK-5455
    Semimajor Axis (a) 6952.523 km 6950.213 km
    Eccentricity (e) 0.000175 0.000315
    Inclination (i) 97.8803° 69.9962°
    RAAN 126.4502° 318.7619°
    Perigee Argument 84.1248° 269.8938°
    Mean Anomaly (M) 276.0173° 90.1860°
    Apogee 575.602 km 574.268 km
    Perigee 573.170 km 569.884 km
    Orbit Epoch 2026-10-20T12:01:22+0000 2026-10-20T01:46:30+0000

    SKYMED 1 & STARLINK-5455 Collision Probability (Pc) Trend

    SKYMED 1 & STARLINK-5455 Collision Probability (Pc) TrendNot Available

    SKYMED 1 & STARLINK-5455 Miss Distance (Miss Distance) Trend

    SKYMED 1 & STARLINK-5455 Miss Distance (Miss Distance) TrendNot Available

    SKYMED 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5455Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SKYMED 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5455Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SKYMED 1

    No nearby objects data