Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.678851E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T00:45:50+0800
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    1 Object 1

    AOE ID 47388
    NORAD ID 47388
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52994
    NORAD ID 52994
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2109 STARLINK-4256
    Time of Closest Approach 2026-09-03T14:40:59+0000
    Collision Probability (Pc) 1.678851E-6
    Conjunction Distance (km) 1.855 km
    Relative Speed (km/s) 4.604 km/s
    Conjunction Risk Parameters R (Radial): 0.541 | I (In-track): 1.691 | C (Cross-track): 0.539
    Collision Risk Index (CRI) 0.4
    X Position (km) -1461.562 -1463.115
    Position Y (km) -4052.581 -4051.657
    Position Z (km) -5321.634 -5321.216
    Velocity X (km/s) 6.231 7.444
    Velocity Y (km/s) -4.148 -0.785
    Velocity Z (km/s) 1.451 -1.45

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2109 STARLINK-4256
    Semimajor Axis (a) 6842.381 km 6840.878 km
    Eccentricity (e) 0.000323 0.000100
    Inclination (i) 53.1596° 53.1609°
    RAAN 327.9873° 9.5365°
    Perigee Argument 10.1968° 79.1034°
    Mean Anomaly (M) 349.9100° 281.0081°
    Apogee 466.457 km 463.422 km
    Perigee 462.031 km 462.060 km
    Orbit Epoch 2026-09-01T11:24:44+0000 2026-09-02T01:36:58+0000

    STARLINK-2109 & STARLINK-4256 Collision Probability (Pc) Trend

    STARLINK-2109 & STARLINK-4256 Collision Probability (Pc) TrendNot Available

    STARLINK-2109 & STARLINK-4256 Miss Distance (Miss Distance) Trend

    STARLINK-2109 & STARLINK-4256 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2109Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4256Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2109Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4256Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2109

    No nearby objects data