Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.245564E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T04:52:19+0800
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    1 Object 1

    AOE ID 5580
    NORAD ID 5580
    Object Type PAYLOAD
    Country
    GB GB
    VS

    2 Object 2

    AOE ID 51893
    NORAD ID 51893
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PROSPERO (BLACK ARROW) STARLINK-3579
    Time of Closest Approach 2026-09-12T21:04:19+0000
    Collision Probability (Pc) 2.245564E-5
    Conjunction Distance (km) 0.837 km
    Relative Speed (km/s) 4.755 km/s
    Conjunction Risk Parameters R (Radial): 0.499 | I (In-track): 0.632 | C (Cross-track): -0.229
    Collision Risk Index (CRI) 0.62
    X Position (km) -5092.048 -5092.536
    Position Y (km) -2782.065 -2782.708
    Position Z (km) -3756.553 -3756.333
    Velocity X (km/s) -2.997 0.062
    Velocity Y (km/s) -3.099 -6.137
    Velocity Z (km/s) 6.472 4.469

    Orbital Parameters 国际轨道数据源

    Parameter PROSPERO (BLACK ARROW) STARLINK-3579
    Semimajor Axis (a) 7265.580 km 6909.032 km
    Eccentricity (e) 0.050007 0.000135
    Inclination (i) 82.0381° 53.2135°
    RAAN 215.1591° 245.9370°
    Perigee Argument 340.1246° 39.5677°
    Mean Anomaly (M) 18.1026° 320.5414°
    Apogee 1250.770 km 531.828 km
    Perigee 524.116 km 529.962 km
    Orbit Epoch 2026-09-11T09:14:39+0000 2026-09-11T00:50:01+0000

    PROSPERO (BLACK ARROW) & STARLINK-3579 Collision Probability (Pc) Trend

    PROSPERO (BLACK ARROW) & STARLINK-3579 Collision Probability (Pc) TrendNot Available

    PROSPERO (BLACK ARROW) & STARLINK-3579 Miss Distance (Miss Distance) Trend

    PROSPERO (BLACK ARROW) & STARLINK-3579 Miss Distance (Miss Distance) TrendNot Available

    PROSPERO (BLACK ARROW)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3579Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PROSPERO (BLACK ARROW)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3579Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PROSPERO (BLACK ARROW)

    No nearby objects data