Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.282703E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T11:56:20+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 68275
    NORAD ID 68275
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3999 STARLINK-37123
    Time of Closest Approach 2026-09-12T16:15:25+0000
    Collision Probability (Pc) 1.282703E-6
    Conjunction Distance (km) 2.833 km
    Relative Speed (km/s) 12.09 km/s
    Conjunction Risk Parameters R (Radial): 2.572 | I (In-track): 0.735 | C (Cross-track): -0.932
    Collision Risk Index (CRI) 0.37
    X Position (km) 6685.076 6687.695
    Position Y (km) -584.626 -583.664
    Position Z (km) -1324.25 -1324.736
    Velocity X (km/s) 1.566 -0.754
    Velocity Y (km/s) 4.545 4.748
    Velocity Z (km/s) 5.932 -5.931

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3999 STARLINK-37123
    Semimajor Axis (a) 6837.892 km 6840.861 km
    Eccentricity (e) 0.000123 0.000160
    Inclination (i) 53.1613° 53.1584°
    RAAN 13.2524° 179.1567°
    Perigee Argument 62.2740° 99.5513°
    Mean Anomaly (M) 297.8387° 260.5671°
    Apogee 460.594 km 463.818 km
    Perigee 458.916 km 461.630 km
    Orbit Epoch 2026-09-10T14:19:35+0000 2026-09-09T23:19:31+0000

    STARLINK-3999 & STARLINK-37123 Collision Probability (Pc) Trend

    STARLINK-3999 & STARLINK-37123 Collision Probability (Pc) TrendNot Available

    STARLINK-3999 & STARLINK-37123 Miss Distance (Miss Distance) Trend

    STARLINK-3999 & STARLINK-37123 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3999Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37123Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3999Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37123Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3999

    No nearby objects data