Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.259682E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:15:13+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 54810
    NORAD ID 54810
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58711
    NORAD ID 58711
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5408 STARLINK-31031
    Time of Closest Approach 2026-09-12T17:09:54+0000
    Collision Probability (Pc) 1.259682E-6
    Conjunction Distance (km) 2.885 km
    Relative Speed (km/s) 12.219 km/s
    Conjunction Risk Parameters R (Radial): -2.757 | I (In-track): -0.509 | C (Cross-track): 0.676
    Collision Risk Index (CRI) 0.37
    X Position (km) -1660.568 -1660.719
    Position Y (km) -6633.048 -6630.17
    Position Z (km) 291.139 291.02
    Velocity X (km/s) 4.508 4.378
    Velocity Y (km/s) -0.853 -1.373
    Velocity Z (km/s) 6.103 -6.104

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5408 STARLINK-31031
    Semimajor Axis (a) 6843.311 km 6840.848 km
    Eccentricity (e) 0.000124 0.000144
    Inclination (i) 53.1592° 53.1615°
    RAAN 262.0317° 87.0536°
    Perigee Argument 88.6776° 96.0579°
    Mean Anomaly (M) 271.4368° 264.0587°
    Apogee 466.021 km 463.695 km
    Perigee 464.327 km 461.727 km
    Orbit Epoch 2026-09-11T00:29:07+0000 2026-09-10T17:30:00+0000

    STARLINK-5408 & STARLINK-31031 Collision Probability (Pc) Trend

    STARLINK-5408 & STARLINK-31031 Collision Probability (Pc) TrendNot Available

    STARLINK-5408 & STARLINK-31031 Miss Distance (Miss Distance) Trend

    STARLINK-5408 & STARLINK-31031 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5408Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31031Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5408Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31031Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5408

    No nearby objects data