Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.099973E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:35:30+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 57983
    NORAD ID 57983
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59188
    NORAD ID 59188
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30515 STARLINK-31478
    Time of Closest Approach 2026-09-07T07:41:27+0000
    Collision Probability (Pc) 5.099973E-6
    Conjunction Distance (km) 1.431 km
    Relative Speed (km/s) 7.876 km/s
    Conjunction Risk Parameters R (Radial): -0.406 | I (In-track): 1.175 | C (Cross-track): 0.709
    Collision Risk Index (CRI) 0.49
    X Position (km) 5813.314 5813.837
    Position Y (km) 765.263 763.948
    Position Z (km) -3567.444 -3567.656
    Velocity X (km/s) 1.177 -2.878
    Velocity Y (km/s) 6.735 6.201
    Velocity Z (km/s) 3.365 -3.365

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30515 STARLINK-31478
    Semimajor Axis (a) 6861.416 km 6861.196 km
    Eccentricity (e) 0.000085 0.000034
    Inclination (i) 43.0022° 43.0006°
    RAAN 61.8737° 160.9996°
    Perigee Argument 275.2408° 265.2944°
    Mean Anomaly (M) 84.8346° 94.7869°
    Apogee 483.862 km 483.293 km
    Perigee 482.696 km 482.825 km
    Orbit Epoch 2026-09-04T21:50:35+0000 2026-09-04T19:03:29+0000

    STARLINK-30515 & STARLINK-31478 Collision Probability (Pc) Trend

    STARLINK-30515 & STARLINK-31478 Collision Probability (Pc) TrendNot Available

    STARLINK-30515 & STARLINK-31478 Miss Distance (Miss Distance) Trend

    STARLINK-30515 & STARLINK-31478 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30515Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31478Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30515Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31478Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30515

    No nearby objects data