Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.39962E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T20:25:47+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53803
    NORAD ID 53803
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67878
    NORAD ID 67878
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4727 STARLINK-36689
    Time of Closest Approach 2026-09-07T21:09:30+0000
    Collision Probability (Pc) 1.39962E-6
    Conjunction Distance (km) 2.217 km
    Relative Speed (km/s) 6.826 km/s
    Conjunction Risk Parameters R (Radial): 2.158 | I (In-track): -0.459 | C (Cross-track): -0.221
    Collision Risk Index (CRI) 0.38
    X Position (km) 4300.966 4302.504
    Position Y (km) 1601.589 1601.618
    Position Z (km) -5075.98 -5077.575
    Velocity X (km/s) -4.752 -0.008
    Velocity Y (km/s) 5.509 7.274
    Velocity Z (km/s) -2.29 2.289

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4727 STARLINK-36689
    Semimajor Axis (a) 6837.875 km 6840.822 km
    Eccentricity (e) 0.000111 0.000006
    Inclination (i) 53.1609° 53.1593°
    RAAN 157.1201° 88.5612°
    Perigee Argument 93.8954° 55.8079°
    Mean Anomaly (M) 266.2176° 304.2929°
    Apogee 460.498 km 462.729 km
    Perigee 458.978 km 462.641 km
    Orbit Epoch 2026-09-05T04:01:53+0000 2026-09-05T06:55:32+0000

    STARLINK-4727 & STARLINK-36689 Collision Probability (Pc) Trend

    STARLINK-4727 & STARLINK-36689 Collision Probability (Pc) TrendNot Available

    STARLINK-4727 & STARLINK-36689 Miss Distance (Miss Distance) Trend

    STARLINK-4727 & STARLINK-36689 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4727Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36689Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4727Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36689Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4727

    No nearby objects data