Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.326883E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T09:01:14+0800
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    1 Object 1

    AOE ID 49414
    NORAD ID 49414
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 60035
    NORAD ID 60035
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3146 STARLINK-31981
    Time of Closest Approach 2026-09-11T20:20:08+0000
    Collision Probability (Pc) 1.326883E-6
    Conjunction Distance (km) 2.774 km
    Relative Speed (km/s) 12.198 km/s
    Conjunction Risk Parameters R (Radial): 2.181 | I (In-track): -1.037 | C (Cross-track): -1.364
    Collision Risk Index (CRI) 0.37
    X Position (km) -1891.987 -1893.03
    Position Y (km) 6548.122 6545.559
    Position Z (km) 612.151 611.948
    Velocity X (km/s) -4.26 -4.568
    Velocity Y (km/s) -1.807 -0.745
    Velocity Z (km/s) 6.073 -6.074

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3146 STARLINK-31981
    Semimajor Axis (a) 6843.377 km 6840.888 km
    Eccentricity (e) 0.000136 0.000130
    Inclination (i) 53.1590° 53.1600°
    RAAN 111.3912° 296.5338°
    Perigee Argument 79.5412° 70.2874°
    Mean Anomaly (M) 280.5744° 289.8269°
    Apogee 466.173 km 463.641 km
    Perigee 464.307 km 461.861 km
    Orbit Epoch 2026-09-09T21:23:03+0000 2026-09-10T10:45:16+0000

    STARLINK-3146 & STARLINK-31981 Collision Probability (Pc) Trend

    STARLINK-3146 & STARLINK-31981 Collision Probability (Pc) TrendNot Available

    STARLINK-3146 & STARLINK-31981 Miss Distance (Miss Distance) Trend

    STARLINK-3146 & STARLINK-31981 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3146Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31981Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3146Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31981Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3146

    No nearby objects data