Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.220729E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:57:47+0800
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    1 Object 1

    AOE ID 52704
    NORAD ID 52704
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58379
    NORAD ID 58379
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3999 STARLINK-30882
    Time of Closest Approach 2026-09-05T06:18:39+0000
    Collision Probability (Pc) 1.220729E-6
    Conjunction Distance (km) 2.927 km
    Relative Speed (km/s) 11.941 km/s
    Conjunction Risk Parameters R (Radial): -2.574 | I (In-track): -0.873 | C (Cross-track): -1.084
    Collision Risk Index (CRI) 0.37
    X Position (km) 4159.887 4160.376
    Position Y (km) 5083.999 5086.797
    Position Z (km) 1893.986 1894.694
    Velocity X (km/s) -4.741 -2.636
    Velocity Y (km/s) 1.731 4.303
    Velocity Z (km/s) 5.735 -5.734

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3999 STARLINK-30882
    Semimajor Axis (a) 6837.907 km 6840.878 km
    Eccentricity (e) 0.000098 0.000123
    Inclination (i) 53.1599° 53.1599°
    RAAN 44.3393° 251.8677°
    Perigee Argument 116.5619° 84.3934°
    Mean Anomaly (M) 243.5485° 275.7209°
    Apogee 460.439 km 463.584 km
    Perigee 459.101 km 461.898 km
    Orbit Epoch 2026-09-03T22:58:42+0000 2026-09-03T09:50:49+0000

    STARLINK-3999 & STARLINK-30882 Collision Probability (Pc) Trend

    STARLINK-3999 & STARLINK-30882 Collision Probability (Pc) TrendNot Available

    STARLINK-3999 & STARLINK-30882 Miss Distance (Miss Distance) Trend

    STARLINK-3999 & STARLINK-30882 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3999Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30882Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3999Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30882Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3999

    No nearby objects data