Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.700782E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T22:32:39+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 58127
    NORAD ID 58127
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66731
    NORAD ID 66731
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30790 FLOCK 4H 28
    Time of Closest Approach 2026-09-07T13:17:02+0000
    Collision Probability (Pc) 2.700782E-6
    Conjunction Distance (km) 1.99 km
    Relative Speed (km/s) 13.238 km/s
    Conjunction Risk Parameters R (Radial): -1.723 | I (In-track): -0.482 | C (Cross-track): -0.868
    Collision Risk Index (CRI) 0.44
    X Position (km) -3949.442 -3950.685
    Position Y (km) 3717.932 3718.035
    Position Z (km) -4245.509 -4247.059
    Velocity X (km/s) -6.102 4.215
    Velocity Y (km/s) -3.95 -2.258
    Velocity Z (km/s) 2.211 -5.908

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30790 FLOCK 4H 28
    Semimajor Axis (a) 6871.987 km 6880.929 km
    Eccentricity (e) 0.002046 0.000580
    Inclination (i) 42.9938° 97.4114°
    RAAN 206.7075° 320.0230°
    Perigee Argument 119.8333° 99.0337°
    Mean Anomaly (M) 240.4554° 261.1555°
    Apogee 507.912 km 506.781 km
    Perigee 479.788 km 498.803 km
    Orbit Epoch 2026-09-05T06:30:58+0000 2026-09-04T22:45:03+0000

    STARLINK-30790 & FLOCK 4H 28 Collision Probability (Pc) Trend

    STARLINK-30790 & FLOCK 4H 28 Collision Probability (Pc) TrendNot Available

    STARLINK-30790 & FLOCK 4H 28 Miss Distance (Miss Distance) Trend

    STARLINK-30790 & FLOCK 4H 28 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30790Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4H 28Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30790Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4H 28Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30790

    No nearby objects data