Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.366743E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-08T23:21:37+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 59432
    NORAD ID 59432
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1231 STARLINK-31780
    Time of Closest Approach 2026-09-08T16:01:32+0000
    Collision Probability (Pc) 2.366743E-6
    Conjunction Distance (km) 1.917 km
    Relative Speed (km/s) 9.22 km/s
    Conjunction Risk Parameters R (Radial): -1.56 | I (In-track): -0.892 | C (Cross-track): 0.665
    Collision Risk Index (CRI) 0.42
    X Position (km) 1574.864 1573.447
    Position Y (km) -4901.652 -4900.878
    Position Z (km) 4497.474 4496.442
    Velocity X (km/s) 4.882 6.723
    Velocity Y (km/s) 4.749 -1.04
    Velocity Z (km/s) 3.46 -3.476

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1231 STARLINK-31780
    Semimajor Axis (a) 6843.686 km 6840.859 km
    Eccentricity (e) 0.000376 0.000141
    Inclination (i) 53.0355° 53.1592°
    RAAN 248.5508° 155.8252°
    Perigee Argument 14.4417° 86.0916°
    Mean Anomaly (M) 345.6690° 274.0248°
    Apogee 468.125 km 463.688 km
    Perigee 462.973 km 461.756 km
    Orbit Epoch 2026-09-08T06:24:00+0000 2026-09-07T03:31:48+0000

    STARLINK-1231 & STARLINK-31780 Collision Probability (Pc) Trend

    STARLINK-1231 & STARLINK-31780 Collision Probability (Pc) TrendNot Available

    STARLINK-1231 & STARLINK-31780 Miss Distance (Miss Distance) Trend

    STARLINK-1231 & STARLINK-31780 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1231Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31780Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1231Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31780Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1231

    No nearby objects data