Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    3.78419E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T02:25:07+0800
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    1 Object 1

    AOE ID 53608
    NORAD ID 53608
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69172
    NORAD ID 69172
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4647 STARLINK-37472
    Time of Closest Approach 2026-09-04T06:27:50+0000
    Collision Probability (Pc) 3.78419E-7
    Conjunction Distance (km) 2.214 km
    Relative Speed (km/s) 0.257 km/s
    Conjunction Risk Parameters R (Radial): -1.336 | I (In-track): 1.764 | C (Cross-track): -0.017
    Collision Risk Index (CRI) 0.27
    X Position (km) 2511.057 2512.94
    Position Y (km) 3249.507 3249.058
    Position Z (km) -5476.208 -5477.282
    Velocity X (km/s) -6.105 -5.979
    Velocity Y (km/s) 4.567 4.73
    Velocity Z (km/s) -0.09 0.063

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4647 STARLINK-37472
    Semimajor Axis (a) 6839.041 km 6840.797 km
    Eccentricity (e) 0.000099 0.000141
    Inclination (i) 53.1610° 53.1569°
    RAAN 151.8546° 151.2732°
    Perigee Argument 110.2089° 59.0871°
    Mean Anomaly (M) 249.9020° 301.0270°
    Apogee 461.582 km 463.622 km
    Perigee 460.226 km 461.698 km
    Orbit Epoch 2026-09-02T12:39:56+0000 2026-09-02T03:16:01+0000

    STARLINK-4647 & STARLINK-37472 Collision Probability (Pc) Trend

    STARLINK-4647 & STARLINK-37472 Collision Probability (Pc) TrendNot Available

    STARLINK-4647 & STARLINK-37472 Miss Distance (Miss Distance) Trend

    STARLINK-4647 & STARLINK-37472 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4647Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37472Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4647Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37472Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4647

    No nearby objects data