Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.881547E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:58:36+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 58878
    NORAD ID 58878
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62634
    NORAD ID 62634
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31300 FLOCK 4G 28
    Time of Closest Approach 2026-09-07T08:09:06+0000
    Collision Probability (Pc) 2.881547E-6
    Conjunction Distance (km) 1.968 km
    Relative Speed (km/s) 14.003 km/s
    Conjunction Risk Parameters R (Radial): 1.834 | I (In-track): 0.289 | C (Cross-track): 0.651
    Collision Risk Index (CRI) 0.44
    X Position (km) -4146.805 -4145.62
    Position Y (km) 2595.806 2595.758
    Position Z (km) -4789.162 -4787.592
    Velocity X (km/s) -5.853 5.174
    Velocity Y (km/s) -3.886 -1.619
    Velocity Z (km/s) 2.964 -5.362

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31300 FLOCK 4G 28
    Semimajor Axis (a) 6840.877 km 6835.918 km
    Eccentricity (e) 0.000133 0.000256
    Inclination (i) 53.1595° 97.3987°
    RAAN 211.2622° 332.5953°
    Perigee Argument 75.4597° 58.5069°
    Mean Anomaly (M) 284.6553° 301.6424°
    Apogee 463.650 km 459.529 km
    Perigee 461.830 km 456.033 km
    Orbit Epoch 2026-09-03T21:33:50+0000 2026-09-04T16:38:19+0000

    STARLINK-31300 & FLOCK 4G 28 Collision Probability (Pc) Trend

    STARLINK-31300 & FLOCK 4G 28 Collision Probability (Pc) TrendNot Available

    STARLINK-31300 & FLOCK 4G 28 Miss Distance (Miss Distance) Trend

    STARLINK-31300 & FLOCK 4G 28 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31300Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 28Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31300Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 28Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31300

    No nearby objects data