Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.332001E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T21:04:24+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 55414
    NORAD ID 55414
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SKYMED 1 STARLINK-5620
    Time of Closest Approach 2026-09-14T23:11:31+0000
    Collision Probability (Pc) 1.332001E-6
    Conjunction Distance (km) 2.877 km
    Relative Speed (km/s) 13.379 km/s
    Conjunction Risk Parameters R (Radial): -0.201 | I (In-track): 1.352 | C (Cross-track): 2.531
    Collision Risk Index (CRI) 0.37
    X Position (km) 878.539 881.005
    Position Y (km) 2252.412 2253.769
    Position Z (km) 6510.74 6510.151
    Velocity X (km/s) 0.41 -6.443
    Velocity Y (km/s) -7.166 3.948
    Velocity Z (km/s) 2.419 -0.494

    Orbital Parameters 国际轨道数据源

    Parameter SKYMED 1 STARLINK-5620
    Semimajor Axis (a) 6952.970 km 6950.196 km
    Eccentricity (e) 0.000156 0.000356
    Inclination (i) 97.8832° 69.9997°
    RAAN 87.8914° 334.0790°
    Perigee Argument 93.7370° 273.0582°
    Mean Anomaly (M) 266.4029° 87.0169°
    Apogee 575.915 km 574.535 km
    Perigee 573.751 km 569.583 km
    Orbit Epoch 2026-09-12T06:43:35+0000 2026-09-12T05:04:56+0000

    SKYMED 1 & STARLINK-5620 Collision Probability (Pc) Trend

    SKYMED 1 & STARLINK-5620 Collision Probability (Pc) TrendNot Available

    SKYMED 1 & STARLINK-5620 Miss Distance (Miss Distance) Trend

    SKYMED 1 & STARLINK-5620 Miss Distance (Miss Distance) TrendNot Available

    SKYMED 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5620Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SKYMED 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5620Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SKYMED 1

    No nearby objects data