Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.949946E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:57:25+0800
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    1 Object 1

    AOE ID 52642
    NORAD ID 52642
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53640
    NORAD ID 53640
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3971 STARLINK-4597
    Time of Closest Approach 2026-09-05T22:13:29+0000
    Collision Probability (Pc) 5.949946E-7
    Conjunction Distance (km) 2.933 km
    Relative Speed (km/s) 3.18 km/s
    Conjunction Risk Parameters R (Radial): 2.863 | I (In-track): -0.624 | C (Cross-track): -0.132
    Collision Risk Index (CRI) 0.3
    X Position (km) 2414.784 2416.317
    Position Y (km) 3432.841 3433.91
    Position Z (km) -5405.301 -5407.562
    Velocity X (km/s) -6.822 -5.376
    Velocity Y (km/s) 3.265 5.318
    Velocity Z (km/s) -0.975 0.975

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3971 STARLINK-4597
    Semimajor Axis (a) 6837.870 km 6840.315 km
    Eccentricity (e) 0.000115 0.000111
    Inclination (i) 53.1596° 53.1615°
    RAAN 172.6791° 140.0567°
    Perigee Argument 77.6129° 75.2176°
    Mean Anomaly (M) 282.5002° 284.8950°
    Apogee 460.516 km 462.936 km
    Perigee 458.950 km 461.420 km
    Orbit Epoch 2026-09-03T05:02:32+0000 2026-09-03T17:25:45+0000

    STARLINK-3971 & STARLINK-4597 Collision Probability (Pc) Trend

    STARLINK-3971 & STARLINK-4597 Collision Probability (Pc) TrendNot Available

    STARLINK-3971 & STARLINK-4597 Miss Distance (Miss Distance) Trend

    STARLINK-3971 & STARLINK-4597 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3971Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4597Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3971Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4597Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3971

    No nearby objects data