Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.111853E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T00:42:26+0800
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    1 Object 1

    AOE ID 52999
    NORAD ID 52999
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66267
    NORAD ID 66267
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4217 STARLINK-35550
    Time of Closest Approach 2026-09-07T12:02:49+0000
    Collision Probability (Pc) 2.111853E-4
    Conjunction Distance (km) 0.416 km
    Relative Speed (km/s) 7.723 km/s
    Conjunction Risk Parameters R (Radial): -0.078 | I (In-track): -0.35 | C (Cross-track): 0.209
    Collision Risk Index (CRI) 0.81
    X Position (km) 1889.348 1888.953
    Position Y (km) -4370.841 -4370.954
    Position Z (km) -4919.061 -4919.003
    Velocity X (km/s) 7.136 4.936
    Velocity Y (km/s) 0.063 5.154
    Velocity Z (km/s) 2.687 -2.687

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4217 STARLINK-35550
    Semimajor Axis (a) 6840.874 km 6840.842 km
    Eccentricity (e) 0.000115 0.000176
    Inclination (i) 53.1622° 53.1580°
    RAAN 354.4310° 71.9528°
    Perigee Argument 95.1851° 90.0235°
    Mean Anomaly (M) 264.9283° 270.0969°
    Apogee 463.524 km 463.907 km
    Perigee 461.950 km 461.503 km
    Orbit Epoch 2026-09-05T07:10:27+0000 2026-09-05T12:05:35+0000

    STARLINK-4217 & STARLINK-35550 Collision Probability (Pc) Trend

    STARLINK-4217 & STARLINK-35550 Collision Probability (Pc) TrendNot Available

    STARLINK-4217 & STARLINK-35550 Miss Distance (Miss Distance) Trend

    STARLINK-4217 & STARLINK-35550 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4217Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35550Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4217Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35550Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4217

    No nearby objects data