Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.89368E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T08:44:47+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 55752
    NORAD ID 55752
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SKYMED 1 STARLINK-5613
    Time of Closest Approach 2026-09-16T04:19:43+0000
    Collision Probability (Pc) 1.89368E-6
    Conjunction Distance (km) 1.843 km
    Relative Speed (km/s) 5.454 km/s
    Conjunction Risk Parameters R (Radial): 1.21 | I (In-track): -1.294 | C (Cross-track): 0.507
    Collision Risk Index (CRI) 0.41
    X Position (km) 857.94 858.192
    Position Y (km) -4607.655 -4607.808
    Position Z (km) 5129.057 5127.238
    Velocity X (km/s) -0.511 4.659
    Velocity Y (km/s) -5.671 -4.039
    Velocity Z (km/s) -4.996 -4.4

    Orbital Parameters 国际轨道数据源

    Parameter SKYMED 1 STARLINK-5613
    Semimajor Axis (a) 6952.948 km 6950.187 km
    Eccentricity (e) 0.000167 0.000262
    Inclination (i) 97.8835° 69.9995°
    RAAN 89.4420° 131.1572°
    Perigee Argument 91.9967° 270.9536°
    Mean Anomaly (M) 268.1445° 89.1323°
    Apogee 575.969 km 573.871 km
    Perigee 573.653 km 570.229 km
    Orbit Epoch 2026-09-13T19:36:44+0000 2026-09-13T08:27:53+0000

    SKYMED 1 & STARLINK-5613 Collision Probability (Pc) Trend

    SKYMED 1 & STARLINK-5613 Collision Probability (Pc) TrendNot Available

    SKYMED 1 & STARLINK-5613 Miss Distance (Miss Distance) Trend

    SKYMED 1 & STARLINK-5613 Miss Distance (Miss Distance) TrendNot Available

    SKYMED 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5613Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SKYMED 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5613Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SKYMED 1

    No nearby objects data