Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.821762E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-30T23:56:54+0800
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    1 Object 1

    AOE ID 45368
    NORAD ID 45368
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53203
    NORAD ID 53203
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1276 STARLINK-4409
    Time of Closest Approach 2026-08-30T16:49:14+0000
    Collision Probability (Pc) 4.821762E-6
    Conjunction Distance (km) 1.655 km
    Relative Speed (km/s) 14.455 km/s
    Conjunction Risk Parameters R (Radial): -1.589 | I (In-track): -0.127 | C (Cross-track): -0.44
    Collision Risk Index (CRI) 0.49
    X Position (km) 3238.799 3237.653
    Position Y (km) -4924.584 -4923.574
    Position Z (km) -3576.812 -3576.174
    Velocity X (km/s) 2.924 1.2
    Velocity Y (km/s) 5.277 -3.875
    Velocity Z (km/s) -4.625 6.429

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1276 STARLINK-4409
    Semimajor Axis (a) 6890.356 km 6886.967 km
    Eccentricity (e) 0.000133 0.000108
    Inclination (i) 53.0679° 97.2803°
    RAAN 99.6658° 298.5243°
    Perigee Argument 101.2195° 47.6284°
    Mean Anomaly (M) 258.8949° 72.5869°
    Apogee 513.137 km 509.576 km
    Perigee 511.301 km 508.084 km
    Orbit Epoch 2026-08-29T22:28:16+0000 2026-08-30T08:00:02+0000

    STARLINK-1276 & STARLINK-4409 Collision Probability (Pc) Trend

    STARLINK-1276 & STARLINK-4409 Collision Probability (Pc) TrendNot Available

    STARLINK-1276 & STARLINK-4409 Miss Distance (Miss Distance) Trend

    STARLINK-1276 & STARLINK-4409 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1276Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4409Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1276Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4409Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1276

    No nearby objects data