Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.06656E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:10:47+0800
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    1 Object 1

    AOE ID 51980
    NORAD ID 51980
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65371
    NORAD ID 65371
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3649 STARLINK-34869
    Time of Closest Approach 2026-09-12T04:36:28+0000
    Collision Probability (Pc) 1.06656E-6
    Conjunction Distance (km) 2.979 km
    Relative Speed (km/s) 9.764 km/s
    Conjunction Risk Parameters R (Radial): 2.978 | I (In-track): 0.038 | C (Cross-track): -0.034
    Collision Risk Index (CRI) 0.36
    X Position (km) -2879.951 -2881.161
    Position Y (km) -4496.621 -4498.605
    Position Z (km) -4278.787 -4280.651
    Velocity X (km/s) 3.291 6.58
    Velocity Y (km/s) -5.731 -0.592
    Velocity Z (km/s) 3.812 -3.811

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3649 STARLINK-34869
    Semimajor Axis (a) 6837.862 km 6840.818 km
    Eccentricity (e) 0.000127 0.000125
    Inclination (i) 53.1604° 53.1603°
    RAAN 279.4230° 27.6406°
    Perigee Argument 67.6883° 84.4674°
    Mean Anomaly (M) 292.4254° 275.6471°
    Apogee 460.595 km 463.537 km
    Perigee 458.855 km 461.825 km
    Orbit Epoch 2026-09-11T02:16:24+0000 2026-09-10T15:39:00+0000

    STARLINK-3649 & STARLINK-34869 Collision Probability (Pc) Trend

    STARLINK-3649 & STARLINK-34869 Collision Probability (Pc) TrendNot Available

    STARLINK-3649 & STARLINK-34869 Miss Distance (Miss Distance) Trend

    STARLINK-3649 & STARLINK-34869 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3649Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34869Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3649Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34869Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3649

    No nearby objects data