Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.305435E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:40:26+0800
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    1 Object 1

    AOE ID 53013
    NORAD ID 53013
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 60587
    NORAD ID 60587
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4177 STARLINK-31911
    Time of Closest Approach 2026-09-03T01:06:14+0000
    Collision Probability (Pc) 1.305435E-6
    Conjunction Distance (km) 2.785 km
    Relative Speed (km/s) 11.968 km/s
    Conjunction Risk Parameters R (Radial): -2.763 | I (In-track): 0.214 | C (Cross-track): 0.262
    Collision Risk Index (CRI) 0.37
    X Position (km) 6534.236 6536.921
    Position Y (km) 871.979 871.996
    Position Z (km) 1812.111 1812.848
    Velocity X (km/s) -2.209 0.952
    Velocity Y (km/s) 4.496 4.917
    Velocity Z (km/s) 5.768 -5.767

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4177 STARLINK-31911
    Semimajor Axis (a) 6837.887 km 6840.878 km
    Eccentricity (e) 0.000120 0.000123
    Inclination (i) 53.1625° 53.1596°
    RAAN 2.4315° 203.5868°
    Perigee Argument 113.3211° 76.0997°
    Mean Anomaly (M) 246.7919° 284.0142°
    Apogee 460.572 km 463.584 km
    Perigee 458.928 km 461.898 km
    Orbit Epoch 2026-09-01T14:39:03+0000 2026-09-02T04:05:06+0000

    STARLINK-4177 & STARLINK-31911 Collision Probability (Pc) Trend

    STARLINK-4177 & STARLINK-31911 Collision Probability (Pc) TrendNot Available

    STARLINK-4177 & STARLINK-31911 Miss Distance (Miss Distance) Trend

    STARLINK-4177 & STARLINK-31911 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4177Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31911Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4177Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31911Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4177

    No nearby objects data