Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.134363E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T09:06:43+0800
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    1 Object 1

    AOE ID 59500
    NORAD ID 59500
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59540
    NORAD ID 59540
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31512 STARLINK-31397
    Time of Closest Approach 2026-09-12T16:35:14+0000
    Collision Probability (Pc) 8.134363E-7
    Conjunction Distance (km) 2.513 km
    Relative Speed (km/s) 3.919 km/s
    Conjunction Risk Parameters R (Radial): -2.269 | I (In-track): 1.043 | C (Cross-track): 0.272
    Collision Risk Index (CRI) 0.33
    X Position (km) -1295.669 -1297.143
    Position Y (km) -5029.661 -5031.06
    Position Z (km) -4483.413 -4484.892
    Velocity X (km/s) 6.812 7.449
    Velocity Y (km/s) -3.075 -0.598
    Velocity Z (km/s) 1.484 -1.484

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31512 STARLINK-31397
    Semimajor Axis (a) 6859.115 km 6861.174 km
    Eccentricity (e) 0.000177 0.000168
    Inclination (i) 43.0015° 43.0047°
    RAAN 342.5640° 24.9484°
    Perigee Argument 307.5290° 270.1686°
    Mean Anomaly (M) 52.5401° 89.8974°
    Apogee 482.191 km 484.189 km
    Perigee 479.765 km 481.885 km
    Orbit Epoch 2026-09-09T07:20:40+0000 2026-09-09T15:17:48+0000

    STARLINK-31512 & STARLINK-31397 Collision Probability (Pc) Trend

    STARLINK-31512 & STARLINK-31397 Collision Probability (Pc) TrendNot Available

    STARLINK-31512 & STARLINK-31397 Miss Distance (Miss Distance) Trend

    STARLINK-31512 & STARLINK-31397 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31512Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31397Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31512Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31397Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31512

    No nearby objects data