Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.430156E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:04:37+0800
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    1 Object 1

    AOE ID 57777
    NORAD ID 57777
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66431
    NORAD ID 66431
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30355 STARLINK-35439
    Time of Closest Approach 2026-09-04T10:23:14+0000
    Collision Probability (Pc) 8.430156E-7
    Conjunction Distance (km) 2.983 km
    Relative Speed (km/s) 6.412 km/s
    Conjunction Risk Parameters R (Radial): -0.761 | I (In-track): 2.617 | C (Cross-track): -1.213
    Collision Risk Index (CRI) 0.34
    X Position (km) -4443.174 -4440.962
    Position Y (km) -3297.957 -3299.907
    Position Z (km) -4060.704 -4060.254
    Velocity X (km/s) 2.598 5.645
    Velocity Y (km/s) -6.68 -4.418
    Velocity Z (km/s) 2.584 -2.584

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30355 STARLINK-35439
    Semimajor Axis (a) 6861.186 km 6861.124 km
    Eccentricity (e) 0.000116 0.000235
    Inclination (i) 43.0030° 43.0048°
    RAAN 279.5517° 0.0658°
    Perigee Argument 268.8687° 265.2896°
    Mean Anomaly (M) 91.2032° 94.7687°
    Apogee 483.845 km 484.602 km
    Perigee 482.253 km 481.372 km
    Orbit Epoch 2026-09-02T11:34:19+0000 2026-09-01T17:00:13+0000

    STARLINK-30355 & STARLINK-35439 Collision Probability (Pc) Trend

    STARLINK-30355 & STARLINK-35439 Collision Probability (Pc) TrendNot Available

    STARLINK-30355 & STARLINK-35439 Miss Distance (Miss Distance) Trend

    STARLINK-30355 & STARLINK-35439 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30355Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35439Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30355Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35439Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30355

    No nearby objects data