Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.789568E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T20:17:19+0800
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    1 Object 1

    AOE ID 51993
    NORAD ID 51993
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57951
    NORAD ID 57951
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3648 STARLINK-30399
    Time of Closest Approach 2026-09-07T18:02:09+0000
    Collision Probability (Pc) 6.789568E-7
    Conjunction Distance (km) 2.953 km
    Relative Speed (km/s) 4.185 km/s
    Conjunction Risk Parameters R (Radial): 2.853 | I (In-track): 0.733 | C (Cross-track): -0.209
    Collision Risk Index (CRI) 0.32
    X Position (km) 4243.233 4244.938
    Position Y (km) 376.876 377.792
    Position Z (km) 5339.091 5341.321
    Velocity X (km/s) -2.282 0.979
    Velocity Y (km/s) 7.174 7.463
    Velocity Z (km/s) 1.304 -1.303

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3648 STARLINK-30399
    Semimajor Axis (a) 6837.855 km 6840.876 km
    Eccentricity (e) 0.000098 0.000118
    Inclination (i) 53.1616° 53.1589°
    RAAN 307.0484° 266.7433°
    Perigee Argument 97.0680° 88.1946°
    Mean Anomaly (M) 263.0434° 271.9192°
    Apogee 460.390 km 463.547 km
    Perigee 459.046 km 461.931 km
    Orbit Epoch 2026-09-05T04:46:22+0000 2026-09-05T06:11:18+0000

    STARLINK-3648 & STARLINK-30399 Collision Probability (Pc) Trend

    STARLINK-3648 & STARLINK-30399 Collision Probability (Pc) TrendNot Available

    STARLINK-3648 & STARLINK-30399 Miss Distance (Miss Distance) Trend

    STARLINK-3648 & STARLINK-30399 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3648Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30399Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3648Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30399Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3648

    No nearby objects data