Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.168124E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:45:09+0800
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    1 Object 1

    AOE ID 51992
    NORAD ID 51992
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52294
    NORAD ID 52294
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3643 STARLINK-3777
    Time of Closest Approach 2026-09-03T12:16:43+0000
    Collision Probability (Pc) 1.168124E-6
    Conjunction Distance (km) 2.572 km
    Relative Speed (km/s) 8.018 km/s
    Conjunction Risk Parameters R (Radial): 2.455 | I (In-track): -0.648 | C (Cross-track): 0.411
    Collision Risk Index (CRI) 0.36
    X Position (km) -2405.215 -2406.746
    Position Y (km) -4184.929 -4186.052
    Position Z (km) -4855.075 -4856.81
    Velocity X (km/s) 4.208 7.039
    Velocity Y (km/s) -5.696 -0.769
    Velocity Z (km/s) 2.828 -2.828

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3643 STARLINK-3777
    Semimajor Axis (a) 6840.900 km 6843.385 km
    Eccentricity (e) 0.000124 0.000115
    Inclination (i) 53.1596° 53.1612°
    RAAN 293.2711° 19.8867°
    Perigee Argument 80.8811° 86.6592°
    Mean Anomaly (M) 279.2332° 273.4542°
    Apogee 463.610 km 466.036 km
    Perigee 461.916 km 464.460 km
    Orbit Epoch 2026-09-02T14:39:51+0000 2026-09-01T15:25:51+0000

    STARLINK-3643 & STARLINK-3777 Collision Probability (Pc) Trend

    STARLINK-3643 & STARLINK-3777 Collision Probability (Pc) TrendNot Available

    STARLINK-3643 & STARLINK-3777 Miss Distance (Miss Distance) Trend

    STARLINK-3643 & STARLINK-3777 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3643Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3777Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3643Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3777Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3643

    No nearby objects data