Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.596757E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T08:36:03+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53209
    NORAD ID 53209
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 55374
    NORAD ID 55374
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4423 STARLINK-5578
    Time of Closest Approach 2026-09-06T01:41:03+0000
    Collision Probability (Pc) 2.596757E-6
    Conjunction Distance (km) 1.914 km
    Relative Speed (km/s) 10.593 km/s
    Conjunction Risk Parameters R (Radial): -1.595 | I (In-track): 0.755 | C (Cross-track): -0.739
    Collision Risk Index (CRI) 0.43
    X Position (km) -3333.238 -3333.188
    Position Y (km) 3890.17 3891.013
    Position Z (km) 4553.572 4555.288
    Velocity X (km/s) -2.271 -6.345
    Velocity Y (km/s) 4.64 -4.069
    Velocity Z (km/s) -5.611 -1.165

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4423 STARLINK-5578
    Semimajor Axis (a) 6858.756 km 6861.183 km
    Eccentricity (e) 0.000125 0.000175
    Inclination (i) 97.2862° 43.0035°
    RAAN 303.8291° 25.4595°
    Perigee Argument 80.9825° 261.4248°
    Mean Anomaly (M) 194.5297° 98.6405°
    Apogee 481.480 km 484.249 km
    Perigee 479.758 km 481.843 km
    Orbit Epoch 2026-09-05T20:00:02+0000 2026-09-05T15:49:13+0000

    STARLINK-4423 & STARLINK-5578 Collision Probability (Pc) Trend

    STARLINK-4423 & STARLINK-5578 Collision Probability (Pc) TrendNot Available

    STARLINK-4423 & STARLINK-5578 Miss Distance (Miss Distance) Trend

    STARLINK-4423 & STARLINK-5578 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4423Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5578Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4423Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5578Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4423

    No nearby objects data