Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.354511E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:43:23+0800
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    1 Object 1

    AOE ID 58473
    NORAD ID 58473
    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-30947 STARLINK-35820
    Time of Closest Approach 2026-09-12T20:02:16+0000
    Collision Probability (Pc) 5.354511E-7
    Conjunction Distance (km) 2.212 km
    Relative Speed (km/s) 0.991 km/s
    Conjunction Risk Parameters R (Radial): -1.487 | I (In-track): -1.632 | C (Cross-track): 0.099
    Collision Risk Index (CRI) 0.3
    X Position (km) -5005.45 -5004.222
    Position Y (km) 451.19 452.722
    Position Z (km) 4662.433 4661.416
    Velocity X (km/s) -0.348 -1.022
    Velocity Y (km/s) -7.611 -7.551
    Velocity Z (km/s) 0.362 -0.363

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30947 STARLINK-35820
    Semimajor Axis (a) 6861.197 km 6861.137 km
    Eccentricity (e) 0.000146 0.000007
    Inclination (i) 43.0017° 43.0024°
    RAAN 100.7274° 101.6318°
    Perigee Argument 263.3462° 2.9147°
    Mean Anomaly (M) 96.7224° 357.1705°
    Apogee 484.064 km 483.049 km
    Perigee 482.056 km 482.951 km
    Orbit Epoch 2026-09-10T23:43:25+0000 2026-09-08T21:28:40+0000

    STARLINK-30947 & STARLINK-35820 Collision Probability (Pc) Trend

    STARLINK-30947 & STARLINK-35820 Collision Probability (Pc) TrendNot Available

    STARLINK-30947 & STARLINK-35820 Miss Distance (Miss Distance) Trend

    STARLINK-30947 & STARLINK-35820 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30947Miss 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-30947Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35820Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30947

    No nearby objects data