Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.384576E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:57:05+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 69360
    NORAD ID 69360
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3977 STARLINK-37599
    Time of Closest Approach 2026-09-05T10:04:57+0000
    Collision Probability (Pc) 1.384576E-6
    Conjunction Distance (km) 2.061 km
    Relative Speed (km/s) 5.117 km/s
    Conjunction Risk Parameters R (Radial): 2.055 | I (In-track): 0.149 | C (Cross-track): 0.053
    Collision Risk Index (CRI) 0.38
    X Position (km) 562.177 562.503
    Position Y (km) -4311.492 -4312.769
    Position Z (km) 5267.648 5269.233
    Velocity X (km/s) 7.395 6.883
    Velocity Y (km/s) -1.028 2.889
    Velocity Z (km/s) -1.626 1.626

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3977 STARLINK-37599
    Semimajor Axis (a) 6837.872 km 6840.867 km
    Eccentricity (e) 0.000115 0.000237
    Inclination (i) 53.1590° 53.1581°
    RAAN 173.4624° 220.4396°
    Perigee Argument 85.2366° 82.0893°
    Mean Anomaly (M) 274.8768° 278.0379°
    Apogee 460.520 km 464.355 km
    Perigee 458.950 km 461.105 km
    Orbit Epoch 2026-09-03T02:56:51+0000 2026-09-03T15:33:07+0000

    STARLINK-3977 & STARLINK-37599 Collision Probability (Pc) Trend

    STARLINK-3977 & STARLINK-37599 Collision Probability (Pc) TrendNot Available

    STARLINK-3977 & STARLINK-37599 Miss Distance (Miss Distance) Trend

    STARLINK-3977 & STARLINK-37599 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3977Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37599Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3977Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37599Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3977

    No nearby objects data