Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.35244E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:31:23+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 47760
    NORAD ID 47760
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 56340
    NORAD ID 56340
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2178 STARLINK-5540
    Time of Closest Approach 2026-09-05T00:56:52+0000
    Collision Probability (Pc) 1.35244E-6
    Conjunction Distance (km) 2.91 km
    Relative Speed (km/s) 14.096 km/s
    Conjunction Risk Parameters R (Radial): 2.546 | I (In-track): -0.528 | C (Cross-track): -1.305
    Collision Risk Index (CRI) 0.38
    X Position (km) 2648.108 2645.843
    Position Y (km) 4283.918 4282.524
    Position Z (km) -4649.022 -4647.843
    Velocity X (km/s) -3.721 -1.557
    Velocity Y (km/s) 5.81 -5.022
    Velocity Z (km/s) 3.238 -5.518

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2178 STARLINK-5540
    Semimajor Axis (a) 6848.872 km 6843.712 km
    Eccentricity (e) 0.000127 0.000175
    Inclination (i) 53.1597° 97.2839°
    RAAN 105.9730° 243.4903°
    Perigee Argument 80.6704° 74.9359°
    Mean Anomaly (M) 279.4440° 285.2078°
    Apogee 471.605 km 466.772 km
    Perigee 469.865 km 464.378 km
    Orbit Epoch 2026-09-04T04:50:32+0000 2026-09-03T10:23:28+0000

    STARLINK-2178 & STARLINK-5540 Collision Probability (Pc) Trend

    STARLINK-2178 & STARLINK-5540 Collision Probability (Pc) TrendNot Available

    STARLINK-2178 & STARLINK-5540 Miss Distance (Miss Distance) Trend

    STARLINK-2178 & STARLINK-5540 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2178Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5540Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2178Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5540Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2178

    No nearby objects data