Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.719555E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:51:20+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 48431
    NORAD ID 48431
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53469
    NORAD ID 53469
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2700 STARLINK-4399
    Time of Closest Approach 2026-09-03T14:02:47+0000
    Collision Probability (Pc) 9.719555E-7
    Conjunction Distance (km) 2.832 km
    Relative Speed (km/s) 7.411 km/s
    Conjunction Risk Parameters R (Radial): 2.798 | I (In-track): -0.384 | C (Cross-track): -0.207
    Collision Risk Index (CRI) 0.35
    X Position (km) -5360.373 -5358.402
    Position Y (km) -958.367 -958.16
    Position Z (km) 4144.922 4142.899
    Velocity X (km/s) -1.985 -4.716
    Velocity Y (km/s) -6.199 0.393
    Velocity Z (km/s) -3.989 -5.991

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2700 STARLINK-4399
    Semimajor Axis (a) 6848.887 km 6843.714 km
    Eccentricity (e) 0.000112 0.000105
    Inclination (i) 53.1599° 97.2867°
    RAAN 52.9444° 3.3017°
    Perigee Argument 91.5630° 99.2490°
    Mean Anomaly (M) 268.5500° 260.8871°
    Apogee 471.520 km 466.296 km
    Perigee 469.980 km 464.858 km
    Orbit Epoch 2026-09-01T20:45:44+0000 2026-09-02T07:40:19+0000

    STARLINK-2700 & STARLINK-4399 Collision Probability (Pc) Trend

    STARLINK-2700 & STARLINK-4399 Collision Probability (Pc) TrendNot Available

    STARLINK-2700 & STARLINK-4399 Miss Distance (Miss Distance) Trend

    STARLINK-2700 & STARLINK-4399 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2700Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4399Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2700Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4399Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2700

    No nearby objects data