Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.74782E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:27:11+0800
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    1 Object 1

    AOE ID 59496
    NORAD ID 59496
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63857
    NORAD ID 63857
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31728 STARLINK-33999
    Time of Closest Approach 2026-09-14T04:58:50+0000
    Collision Probability (Pc) 3.74782E-6
    Conjunction Distance (km) 1.576 km
    Relative Speed (km/s) 7.857 km/s
    Conjunction Risk Parameters R (Radial): -0.049 | I (In-track): 1.346 | C (Cross-track): 0.817
    Collision Risk Index (CRI) 0.46
    X Position (km) -4068.322 -4069.421
    Position Y (km) 4203.865 4202.738
    Position Z (km) 3577.363 3577.343
    Velocity X (km/s) -6.126 -3.269
    Velocity Y (km/s) -3.071 -6.022
    Velocity Z (km/s) -3.348 3.35

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31728 STARLINK-33999
    Semimajor Axis (a) 6861.146 km 6861.106 km
    Eccentricity (e) 0.000189 0.000358
    Inclination (i) 43.0056° 43.0099°
    RAAN 11.4512° 111.2337°
    Perigee Argument 279.6274° 263.3304°
    Mean Anomaly (M) 80.4365° 96.7140°
    Apogee 484.304 km 485.426 km
    Perigee 481.714 km 480.512 km
    Orbit Epoch 2026-09-11T07:22:07+0000 2026-09-10T23:52:25+0000

    STARLINK-31728 & STARLINK-33999 Collision Probability (Pc) Trend

    STARLINK-31728 & STARLINK-33999 Collision Probability (Pc) TrendNot Available

    STARLINK-31728 & STARLINK-33999 Miss Distance (Miss Distance) Trend

    STARLINK-31728 & STARLINK-33999 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31728Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33999Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31728Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33999Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31728

    No nearby objects data