Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.147776E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T13:30:21+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 55931
    NORAD ID 55931
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64586
    NORAD ID 64586
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5897 LEMUR 2 SEJONG-2
    Time of Closest Approach 2026-09-13T17:36:56+0000
    Collision Probability (Pc) 2.147776E-6
    Conjunction Distance (km) 2.269 km
    Relative Speed (km/s) 15.061 km/s
    Conjunction Risk Parameters R (Radial): -2.024 | I (In-track): 0.118 | C (Cross-track): -1.017
    Collision Risk Index (CRI) 0.42
    X Position (km) 6780.868 6783.026
    Position Y (km) 1425.894 1425.333
    Position Z (km) -570.925 -571.344
    Velocity X (km/s) -1.101 0.804
    Velocity Y (km/s) 2.423 -0.881
    Velocity Z (km/s) -7.091 7.479

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5897 LEMUR 2 SEJONG-2
    Semimajor Axis (a) 6950.208 km 6953.331 km
    Eccentricity (e) 0.000287 0.000528
    Inclination (i) 70.0008° 97.7758°
    RAAN 196.4669° 9.2945°
    Perigee Argument 262.3784° 53.9170°
    Mean Anomaly (M) 97.7049° 306.2540°
    Apogee 574.066 km 578.865 km
    Perigee 570.076 km 571.523 km
    Orbit Epoch 2026-09-11T05:30:37+0000 2026-09-11T19:07:31+0000

    STARLINK-5897 & LEMUR 2 SEJONG-2 Collision Probability (Pc) Trend

    STARLINK-5897 & LEMUR 2 SEJONG-2 Collision Probability (Pc) TrendNot Available

    STARLINK-5897 & LEMUR 2 SEJONG-2 Miss Distance (Miss Distance) Trend

    STARLINK-5897 & LEMUR 2 SEJONG-2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5897Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR 2 SEJONG-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5897Collision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR 2 SEJONG-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5897

    No nearby objects data