Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.854732E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:50:01+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53721
    NORAD ID 53721
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58386
    NORAD ID 58386
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4707 STARLINK-30929
    Time of Closest Approach 2026-10-28T18:44:52+0000
    Collision Probability (Pc) 1.854732E-6
    Conjunction Distance (km) 2.065 km
    Relative Speed (km/s) 8.374 km/s
    Conjunction Risk Parameters R (Radial): 1.892 | I (In-track): -0.694 | C (Cross-track): 0.45
    Collision Risk Index (CRI) 0.4
    X Position (km) -3771.885 -3773.455
    Position Y (km) -3144.158 -3144.39
    Position Z (km) -4766.442 -4767.763
    Velocity X (km/s) 1.844 6.32
    Velocity Y (km/s) -6.765 -3.031
    Velocity Z (km/s) 3.005 -3.005

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4707 STARLINK-30929
    Semimajor Axis (a) 6841.038 km 6840.264 km
    Eccentricity (e) 0.000327 0.000109
    Inclination (i) 53.1527° 53.1579°
    RAAN 273.4806° 0.6188°
    Perigee Argument 291.3691° 30.9193°
    Mean Anomaly (M) 68.6963° 329.1874°
    Apogee 465.136 km 462.872 km
    Perigee 460.666 km 461.382 km
    Orbit Epoch 2026-10-27T07:03:16+0000 2026-10-27T04:11:31+0000

    STARLINK-4707 & STARLINK-30929 Collision Probability (Pc) Trend

    STARLINK-4707 & STARLINK-30929 Collision Probability (Pc) TrendNot Available

    STARLINK-4707 & STARLINK-30929 Miss Distance (Miss Distance) Trend

    STARLINK-4707 & STARLINK-30929 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4707Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30929Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4707Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30929Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4707

    No nearby objects data