Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.790284E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:39:19+0800
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    1 Object 1

    AOE ID 51863
    NORAD ID 51863
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66155
    NORAD ID 66155
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3555 STARLINK-35580
    Time of Closest Approach 2026-09-04T10:13:03+0000
    Collision Probability (Pc) 7.790284E-7
    Conjunction Distance (km) 2.405 km
    Relative Speed (km/s) 3.149 km/s
    Conjunction Risk Parameters R (Radial): 2.123 | I (In-track): 1.105 | C (Cross-track): -0.235
    Collision Risk Index (CRI) 0.33
    X Position (km) -3844.726 -3845.464
    Position Y (km) -1679.513 -1681.068
    Position Z (km) -5406.672 -5408.351
    Velocity X (km/s) 1.848 4.126
    Velocity Y (km/s) -7.335 -6.338
    Velocity Z (km/s) 0.965 -0.965

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3555 STARLINK-35580
    Semimajor Axis (a) 6837.878 km 6840.787 km
    Eccentricity (e) 0.000129 0.000117
    Inclination (i) 53.1581° 53.1575°
    RAAN 287.1253° 322.1717°
    Perigee Argument 87.9312° 108.0769°
    Mean Anomaly (M) 272.1838° 252.0361°
    Apogee 460.620 km 463.452 km
    Perigee 458.862 km 461.848 km
    Orbit Epoch 2026-09-02T14:49:35+0000 2026-09-01T12:18:25+0000

    STARLINK-3555 & STARLINK-35580 Collision Probability (Pc) Trend

    STARLINK-3555 & STARLINK-35580 Collision Probability (Pc) TrendNot Available

    STARLINK-3555 & STARLINK-35580 Miss Distance (Miss Distance) Trend

    STARLINK-3555 & STARLINK-35580 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3555Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35580Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3555Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35580Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3555

    No nearby objects data