Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.680224E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:45:32+0800
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    1 Object 1

    AOE ID 48303
    NORAD ID 48303
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63833
    NORAD ID 63833
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter STARLINK-2530 HERMES 4
    Time of Closest Approach 2026-09-03T12:36:03+0000
    Collision Probability (Pc) 1.680224E-6
    Conjunction Distance (km) 2.549 km
    Relative Speed (km/s) 14.558 km/s
    Conjunction Risk Parameters R (Radial): -1.576 | I (In-track): -0.591 | C (Cross-track): 1.914
    Collision Risk Index (CRI) 0.4
    X Position (km) -4268.438 -4270.374
    Position Y (km) 4156.053 4155.418
    Position Z (km) 3370.704 3372.235
    Velocity X (km/s) -5.626 3.455
    Velocity Y (km/s) -1.862 -1.792
    Velocity Z (km/s) -4.813 6.565

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2530 HERMES 4
    Semimajor Axis (a) 6848.847 km 6848.341 km
    Eccentricity (e) 0.000115 0.000108
    Inclination (i) 53.1593° 97.3755°
    RAAN 347.9654° 138.7449°
    Perigee Argument 83.6829° 333.7263°
    Mean Anomaly (M) 284.5047° 26.3924°
    Apogee 471.497 km 470.943 km
    Perigee 469.923 km 469.465 km
    Orbit Epoch 2026-09-02T00:00:02+0000 2026-09-02T06:41:06+0000

    STARLINK-2530 & HERMES 4 Collision Probability (Pc) Trend

    STARLINK-2530 & HERMES 4 Collision Probability (Pc) TrendNot Available

    STARLINK-2530 & HERMES 4 Miss Distance (Miss Distance) Trend

    STARLINK-2530 & HERMES 4 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2530Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2530Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2530

    No nearby objects data