Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    4.130667E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:56:33+0800
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    1 Object 1

    AOE ID 57903
    NORAD ID 57903
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63485
    NORAD ID 63485
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30449 STARLINK-33687
    Time of Closest Approach 2026-09-14T00:26:34+0000
    Collision Probability (Pc) 4.130667E-4
    Conjunction Distance (km) 0.249 km
    Relative Speed (km/s) 4.764 km/s
    Conjunction Risk Parameters R (Radial): -0.163 | I (In-track): 0.179 | C (Cross-track): 0.057
    Collision Risk Index (CRI) 0.87
    X Position (km) -4425.058 -4424.849
    Position Y (km) -2891.795 -2891.882
    Position Z (km) -4378.361 -4378.258
    Velocity X (km/s) 5.231 2.688
    Velocity Y (km/s) -5.226 -6.888
    Velocity Z (km/s) -1.835 1.834

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30449 STARLINK-33687
    Semimajor Axis (a) 6861.324 km 6861.156 km
    Eccentricity (e) 0.000148 0.000123
    Inclination (i) 43.0021° 42.9986°
    RAAN 345.8475° 292.0837°
    Perigee Argument 276.7319° 215.8403°
    Mean Anomaly (M) 83.3365° 144.2366°
    Apogee 484.202 km 483.867 km
    Perigee 482.172 km 482.171 km
    Orbit Epoch 2026-09-11T07:00:49+0000 2026-09-11T03:41:57+0000

    STARLINK-30449 & STARLINK-33687 Collision Probability (Pc) Trend

    STARLINK-30449 & STARLINK-33687 Collision Probability (Pc) TrendNot Available

    STARLINK-30449 & STARLINK-33687 Miss Distance (Miss Distance) Trend

    STARLINK-30449 & STARLINK-33687 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30449Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33687Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30449Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33687Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30449

    No nearby objects data