Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.038616E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T20:55:40+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53823
    NORAD ID 53823
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65335
    NORAD ID 65335
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4748 STARLINK-34874
    Time of Closest Approach 2026-09-14T09:46:56+0000
    Collision Probability (Pc) 4.038616E-6
    Conjunction Distance (km) 1.508 km
    Relative Speed (km/s) 7.152 km/s
    Conjunction Risk Parameters R (Radial): -0.353 | I (In-track): -1.297 | C (Cross-track): 0.682
    Collision Risk Index (CRI) 0.47
    X Position (km) -4613.057 -4612.671
    Position Y (km) 479.188 480.622
    Position Z (km) 5019.094 5018.831
    Velocity X (km/s) 1.917 -3.314
    Velocity Y (km/s) -6.986 -6.443
    Velocity Z (km/s) 2.423 -2.423

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4748 STARLINK-34874
    Semimajor Axis (a) 6840.890 km 6840.826 km
    Eccentricity (e) 0.000131 0.000142
    Inclination (i) 53.1611° 53.1595°
    RAAN 130.8667° 60.8637°
    Perigee Argument 95.2265° 135.4552°
    Mean Anomaly (M) 264.8887° 224.6565°
    Apogee 463.648 km 463.660 km
    Perigee 461.858 km 461.718 km
    Orbit Epoch 2026-09-12T01:12:57+0000 2026-09-11T17:11:56+0000

    STARLINK-4748 & STARLINK-34874 Collision Probability (Pc) Trend

    STARLINK-4748 & STARLINK-34874 Collision Probability (Pc) TrendNot Available

    STARLINK-4748 & STARLINK-34874 Miss Distance (Miss Distance) Trend

    STARLINK-4748 & STARLINK-34874 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4748Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34874Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4748Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34874Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4748

    No nearby objects data