Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.921785E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T12:19:18+0800
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    1 Object 1

    AOE ID 57511
    NORAD ID 57511
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59172
    NORAD ID 59172
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30147 STARLINK-31348
    Time of Closest Approach 2026-09-12T22:46:14+0000
    Collision Probability (Pc) 9.921785E-7
    Conjunction Distance (km) 2.247 km
    Relative Speed (km/s) 3.929 km/s
    Conjunction Risk Parameters R (Radial): -1.713 | I (In-track): 1.406 | C (Cross-track): 0.373
    Collision Risk Index (CRI) 0.35
    X Position (km) -4516.732 -4516.321
    Position Y (km) 2556.682 2554.779
    Position Z (km) 4479.476 4478.355
    Velocity X (km/s) -4.749 -2.512
    Velocity Y (km/s) -5.78 -7.048
    Velocity Z (km/s) -1.486 1.484

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30147 STARLINK-31348
    Semimajor Axis (a) 6861.218 km 6861.203 km
    Eccentricity (e) 0.000166 0.000075
    Inclination (i) 43.0056° 42.9996°
    RAAN 50.9769° 103.4196°
    Perigee Argument 269.3905° 331.2089°
    Mean Anomaly (M) 90.6756° 28.8721°
    Apogee 484.222 km 483.581 km
    Perigee 481.940 km 482.551 km
    Orbit Epoch 2026-09-10T16:57:03+0000 2026-09-09T06:34:34+0000

    STARLINK-30147 & STARLINK-31348 Collision Probability (Pc) Trend

    STARLINK-30147 & STARLINK-31348 Collision Probability (Pc) TrendNot Available

    STARLINK-30147 & STARLINK-31348 Miss Distance (Miss Distance) Trend

    STARLINK-30147 & STARLINK-31348 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30147Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31348Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30147Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31348Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30147

    No nearby objects data