Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.442341E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:02:56+0800
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    1 Object 1

    AOE ID 57974
    NORAD ID 57974
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66597
    NORAD ID 66597
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30489 STARLINK-35820
    Time of Closest Approach 2026-09-13T10:47:18+0000
    Collision Probability (Pc) 2.442341E-6
    Conjunction Distance (km) 1.759 km
    Relative Speed (km/s) 6.704 km/s
    Conjunction Risk Parameters R (Radial): 0.641 | I (In-track): 1.473 | C (Cross-track): -0.716
    Collision Risk Index (CRI) 0.43
    X Position (km) 3265.226 3266.861
    Position Y (km) -4536.474 -4535.943
    Position Z (km) -3982.517 -3982.885
    Velocity X (km/s) 6.69 4.417
    Velocity Y (km/s) 2.42 5.576
    Velocity Z (km/s) 2.73 -2.73

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30489 STARLINK-35820
    Semimajor Axis (a) 6861.243 km 6861.137 km
    Eccentricity (e) 0.000195 0.000007
    Inclination (i) 43.0046° 43.0024°
    RAAN 7.7372° 101.6318°
    Perigee Argument 264.3812° 2.9147°
    Mean Anomaly (M) 95.6817° 357.1705°
    Apogee 484.446 km 483.049 km
    Perigee 481.766 km 482.951 km
    Orbit Epoch 2026-09-11T07:15:23+0000 2026-09-08T21:28:40+0000

    STARLINK-30489 & STARLINK-35820 Collision Probability (Pc) Trend

    STARLINK-30489 & STARLINK-35820 Collision Probability (Pc) TrendNot Available

    STARLINK-30489 & STARLINK-35820 Miss Distance (Miss Distance) Trend

    STARLINK-30489 & STARLINK-35820 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30489Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35820Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30489Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35820Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30489

    No nearby objects data