Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.225926E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-07T20:41:59+0800
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    1 Object 1

    AOE ID 53628
    NORAD ID 53628
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 60288
    NORAD ID 60288
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4600 STARLINK-31997
    Time of Closest Approach 2026-09-07T15:43:13+0000
    Collision Probability (Pc) 1.225926E-6
    Conjunction Distance (km) 2.924 km
    Relative Speed (km/s) 12.001 km/s
    Conjunction Risk Parameters R (Radial): 2.815 | I (In-track): 0.486 | C (Cross-track): -0.623
    Collision Risk Index (CRI) 0.37
    X Position (km) -2989.092 -2991.027
    Position Y (km) 5920.377 5922.456
    Position Z (km) -1676.882 -1677.576
    Velocity X (km/s) -4.874 -3.552
    Velocity Y (km/s) -0.819 -3.435
    Velocity Z (km/s) 5.819 -5.818

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4600 STARLINK-31997
    Semimajor Axis (a) 6837.876 km 6840.871 km
    Eccentricity (e) 0.000142 0.000136
    Inclination (i) 53.1602° 53.1598°
    RAAN 130.4438° 291.2131°
    Perigee Argument 98.2921° 86.9878°
    Mean Anomaly (M) 261.8243° 273.1279°
    Apogee 460.710 km 463.662 km
    Perigee 458.768 km 461.806 km
    Orbit Epoch 2026-09-07T01:44:16+0000 2026-09-06T12:17:13+0000

    STARLINK-4600 & STARLINK-31997 Collision Probability (Pc) Trend

    STARLINK-4600 & STARLINK-31997 Collision Probability (Pc) TrendNot Available

    STARLINK-4600 & STARLINK-31997 Miss Distance (Miss Distance) Trend

    STARLINK-4600 & STARLINK-31997 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4600Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31997Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4600Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31997Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4600

    No nearby objects data