Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.517286E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T15:41:10+0800
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    1 Object 1

    AOE ID 45212
    NORAD ID 45212
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64679
    NORAD ID 64679
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1231 STARLINK-34489
    Time of Closest Approach 2026-09-13T00:21:13+0000
    Collision Probability (Pc) 1.517286E-6
    Conjunction Distance (km) 2.369 km
    Relative Speed (km/s) 9.788 km/s
    Conjunction Risk Parameters R (Radial): -1.486 | I (In-track): 1.413 | C (Cross-track): -1.185
    Collision Risk Index (CRI) 0.39
    X Position (km) -5285.644 -5284.187
    Position Y (km) -888.569 -890.194
    Position Z (km) -4260.298 -4259.378
    Velocity X (km/s) -2.021 3.977
    Velocity Y (km/s) -6.281 -5.255
    Velocity Z (km/s) 3.826 -3.84

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1231 STARLINK-34489
    Semimajor Axis (a) 6842.997 km 6840.744 km
    Eccentricity (e) 0.000401 0.000121
    Inclination (i) 53.0350° 53.1606°
    RAAN 232.6823° 340.1863°
    Perigee Argument 29.5510° 102.7403°
    Mean Anomaly (M) 330.5717° 257.3735°
    Apogee 467.605 km 463.436 km
    Perigee 462.115 km 461.778 km
    Orbit Epoch 2026-09-11T15:44:01+0000 2026-09-11T11:23:54+0000

    STARLINK-1231 & STARLINK-34489 Collision Probability (Pc) Trend

    STARLINK-1231 & STARLINK-34489 Collision Probability (Pc) TrendNot Available

    STARLINK-1231 & STARLINK-34489 Miss Distance (Miss Distance) Trend

    STARLINK-1231 & STARLINK-34489 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1231Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34489Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1231Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34489Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1231

    No nearby objects data