Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.388276E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:47:15+0800
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    1 Object 1

    AOE ID 52640
    NORAD ID 52640
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64676
    NORAD ID 64676
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3977 STARLINK-34573
    Time of Closest Approach 2026-09-13T02:03:31+0000
    Collision Probability (Pc) 1.388276E-6
    Conjunction Distance (km) 2.668 km
    Relative Speed (km/s) 11.933 km/s
    Conjunction Risk Parameters R (Radial): 2.289 | I (In-track): 0.857 | C (Cross-track): -1.068
    Collision Risk Index (CRI) 0.38
    X Position (km) -4987.442 -4990.002
    Position Y (km) 4263.714 4264.101
    Position Z (km) 1918.638 1919.282
    Velocity X (km/s) -1.821 -4.378
    Velocity Y (km/s) -4.72 -2.533
    Velocity Z (km/s) 5.725 -5.724

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3977 STARLINK-34573
    Semimajor Axis (a) 6837.889 km 6840.820 km
    Eccentricity (e) 0.000138 0.000179
    Inclination (i) 53.1612° 53.1608°
    RAAN 136.2777° 340.8112°
    Perigee Argument 97.1031° 90.5401°
    Mean Anomaly (M) 263.0128° 269.5806°
    Apogee 460.693 km 463.907 km
    Perigee 458.811 km 461.459 km
    Orbit Epoch 2026-09-11T01:32:25+0000 2026-09-11T05:35:51+0000

    STARLINK-3977 & STARLINK-34573 Collision Probability (Pc) Trend

    STARLINK-3977 & STARLINK-34573 Collision Probability (Pc) TrendNot Available

    STARLINK-3977 & STARLINK-34573 Miss Distance (Miss Distance) Trend

    STARLINK-3977 & STARLINK-34573 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3977Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34573Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3977Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34573Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3977

    No nearby objects data