Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.768944E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T14:00:44+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 62636
    NORAD ID 62636
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63011
    NORAD ID 63011
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FLOCK 4G 20 STARLINK-11580
    Time of Closest Approach 2026-09-07T04:43:48+0000
    Collision Probability (Pc) 1.768944E-6
    Conjunction Distance (km) 2.46 km
    Relative Speed (km/s) 14.26 km/s
    Conjunction Risk Parameters R (Radial): -0.99 | I (In-track): 0.853 | C (Cross-track): 2.084
    Collision Risk Index (CRI) 0.4
    X Position (km) -5671.836 -5671.43
    Position Y (km) 2610.763 2608.435
    Position Z (km) -2525.672 -2526.351
    Velocity X (km/s) 3.036 -4.147
    Velocity Y (km/s) -0.225 -4.774
    Velocity Z (km/s) -7.064 4.384

    Orbital Parameters 国际轨道数据源

    Parameter FLOCK 4G 20 STARLINK-11580
    Semimajor Axis (a) 6730.928 km 6734.380 km
    Eccentricity (e) 0.000070 0.000216
    Inclination (i) 97.3791° 43.0004°
    RAAN 335.6234° 194.8144°
    Perigee Argument 48.4329° 243.3488°
    Mean Anomaly (M) 311.6994° 116.7159°
    Apogee 353.264 km 357.697 km
    Perigee 352.318 km 354.789 km
    Orbit Epoch 2026-09-04T16:18:27+0000 2026-09-04T21:56:56+0000

    FLOCK 4G 20 & STARLINK-11580 Collision Probability (Pc) Trend

    FLOCK 4G 20 & STARLINK-11580 Collision Probability (Pc) TrendNot Available

    FLOCK 4G 20 & STARLINK-11580 Miss Distance (Miss Distance) Trend

    FLOCK 4G 20 & STARLINK-11580 Miss Distance (Miss Distance) TrendNot Available

    FLOCK 4G 20Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11580Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FLOCK 4G 20Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11580Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FLOCK 4G 20

    No nearby objects data