Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.199879E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T00:45:46+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53023
    NORAD ID 53023
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53831
    NORAD ID 53831
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4284 STARLINK-4649
    Time of Closest Approach 2026-09-03T07:24:52+0000
    Collision Probability (Pc) 1.199879E-6
    Conjunction Distance (km) 2.925 km
    Relative Speed (km/s) 11.569 km/s
    Conjunction Risk Parameters R (Radial): 2.924 | I (In-track): -0.053 | C (Cross-track): 0.058
    Collision Risk Index (CRI) 0.37
    X Position (km) 5863.198 5865.735
    Position Y (km) 2226.842 2227.722
    Position Z (km) 2716.793 2717.953
    Velocity X (km/s) -3.929 0.385
    Velocity Y (km/s) 3.846 5.484
    Velocity Z (km/s) 5.305 -5.304

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4284 STARLINK-4649
    Semimajor Axis (a) 6837.921 km 6840.870 km
    Eccentricity (e) 0.000118 0.000130
    Inclination (i) 53.1617° 53.1613°
    RAAN 7.6641° 224.7459°
    Perigee Argument 90.1234° 82.6035°
    Mean Anomaly (M) 269.9904° 277.5115°
    Apogee 460.589 km 463.623 km
    Perigee 458.979 km 461.843 km
    Orbit Epoch 2026-09-02T01:36:10+0000 2026-09-02T05:45:04+0000

    STARLINK-4284 & STARLINK-4649 Collision Probability (Pc) Trend

    STARLINK-4284 & STARLINK-4649 Collision Probability (Pc) TrendNot Available

    STARLINK-4284 & STARLINK-4649 Miss Distance (Miss Distance) Trend

    STARLINK-4284 & STARLINK-4649 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4284Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4649Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4284Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4649Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4284

    No nearby objects data