Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.239941E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:11:00+0800
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    1 Object 1

    AOE ID 53035
    NORAD ID 53035
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58484
    NORAD ID 58484
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4157 STARLINK-30991
    Time of Closest Approach 2026-09-13T01:55:45+0000
    Collision Probability (Pc) 1.239941E-6
    Conjunction Distance (km) 2.739 km
    Relative Speed (km/s) 10.511 km/s
    Conjunction Risk Parameters R (Radial): 1.969 | I (In-track): 1.388 | C (Cross-track): -1.304
    Collision Risk Index (CRI) 0.37
    X Position (km) 2314.492 2316.947
    Position Y (km) -5898.227 -5899.302
    Position Z (km) -2631.975 -2632.538
    Velocity X (km/s) 5.416 4.965
    Velocity Y (km/s) -0.259 3.866
    Velocity Z (km/s) 5.356 -4.3

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4157 STARLINK-30991
    Semimajor Axis (a) 6857.362 km 6861.196 km
    Eccentricity (e) 0.000097 0.000130
    Inclination (i) 53.1604° 43.0043°
    RAAN 317.6708° 97.0173°
    Perigee Argument 97.2355° 263.5736°
    Mean Anomaly (M) 333.4017° 96.4968°
    Apogee 479.889 km 483.951 km
    Perigee 478.561 km 482.167 km
    Orbit Epoch 2026-09-11T08:00:04+0000 2026-09-10T22:46:45+0000

    STARLINK-4157 & STARLINK-30991 Collision Probability (Pc) Trend

    STARLINK-4157 & STARLINK-30991 Collision Probability (Pc) TrendNot Available

    STARLINK-4157 & STARLINK-30991 Miss Distance (Miss Distance) Trend

    STARLINK-4157 & STARLINK-30991 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4157Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30991Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4157Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30991Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4157

    No nearby objects data