Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.439801E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:55:49+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 55664
    NORAD ID 55664
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SKYMED 1 STARLINK-5480
    Time of Closest Approach 2026-10-21T21:48:48+0000
    Collision Probability (Pc) 1.439801E-6
    Conjunction Distance (km) 2.855 km
    Relative Speed (km/s) 15.045 km/s
    Conjunction Risk Parameters R (Radial): 1.244 | I (In-track): -0.291 | C (Cross-track): -2.552
    Collision Risk Index (CRI) 0.38
    X Position (km) -3507.866 -3509.116
    Position Y (km) 5190.42 5187.855
    Position Z (km) 3011.746 3011.837
    Velocity X (km/s) 2.776 -4.086
    Velocity Y (km/s) -2.051 0.911
    Velocity Z (km/s) 6.743 -6.313

    Orbital Parameters 国际轨道数据源

    Parameter SKYMED 1 STARLINK-5480
    Semimajor Axis (a) 6952.523 km 6950.194 km
    Eccentricity (e) 0.000175 0.000371
    Inclination (i) 97.8803° 69.9982°
    RAAN 126.4502° 318.2724°
    Perigee Argument 84.1248° 266.9052°
    Mean Anomaly (M) 276.0173° 93.1683°
    Apogee 575.602 km 574.635 km
    Perigee 573.170 km 569.479 km
    Orbit Epoch 2026-10-20T12:01:22+0000 2026-10-20T06:40:53+0000

    SKYMED 1 & STARLINK-5480 Collision Probability (Pc) Trend

    SKYMED 1 & STARLINK-5480 Collision Probability (Pc) TrendNot Available

    SKYMED 1 & STARLINK-5480 Miss Distance (Miss Distance) Trend

    SKYMED 1 & STARLINK-5480 Miss Distance (Miss Distance) TrendNot Available

    SKYMED 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5480Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SKYMED 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5480Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SKYMED 1

    No nearby objects data