Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.103434E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:58:06+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 59416
    NORAD ID 59416
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63930
    NORAD ID 63930
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31399 STARLINK-33980
    Time of Closest Approach 2026-09-03T22:05:33+0000
    Collision Probability (Pc) 9.103434E-7
    Conjunction Distance (km) 2.854 km
    Relative Speed (km/s) 6.706 km/s
    Conjunction Risk Parameters R (Radial): 1.409 | I (In-track): -2.23 | C (Cross-track): 1.089
    Collision Risk Index (CRI) 0.34
    X Position (km) -4659.975 -4657.303
    Position Y (km) -2072.572 -2073.563
    Position Z (km) 4580.836 4580.996
    Velocity X (km/s) 3.896 5.565
    Velocity Y (km/s) -6.476 -1.36
    Velocity Z (km/s) 1.031 5.033

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31399 STARLINK-33980
    Semimajor Axis (a) 6861.236 km 6881.997 km
    Eccentricity (e) 0.000123 0.000496
    Inclination (i) 43.0020° 70.0030°
    RAAN 140.6051° 188.4080°
    Perigee Argument 276.1633° 265.9395°
    Mean Anomaly (M) 83.9078° 0.6545°
    Apogee 483.945 km 507.273 km
    Perigee 482.253 km 500.447 km
    Orbit Epoch 2026-09-01T22:40:19+0000 2026-09-02T14:00:02+0000

    STARLINK-31399 & STARLINK-33980 Collision Probability (Pc) Trend

    STARLINK-31399 & STARLINK-33980 Collision Probability (Pc) TrendNot Available

    STARLINK-31399 & STARLINK-33980 Miss Distance (Miss Distance) Trend

    STARLINK-31399 & STARLINK-33980 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31399Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33980Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31399Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33980Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31399

    No nearby objects data