Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.699311E-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 2026-08-30T16:01:48+0000
    Collision Probability (Pc) 5.699311E-6
    Conjunction Distance (km) 1.57 km
    Relative Speed (km/s) 14.475 km/s
    Conjunction Risk Parameters R (Radial): -0.465 | I (In-track): 0.452 | C (Cross-track): -1.429
    Collision Risk Index (CRI) 0.5
    X Position (km) -3234.399 -3235.489
    Position Y (km) 4933.975 4933.202
    Position Z (km) 3551.295 3550.472
    Velocity X (km/s) -2.926 -1.193
    Velocity Y (km/s) -5.272 3.87
    Velocity Z (km/s) 4.645 -6.443

    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