Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.329026E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:12:44+0800
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    1 Object 1

    AOE ID 53537
    NORAD ID 53537
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65629
    NORAD ID 65629
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4120 STARLINK-35135
    Time of Closest Approach 2026-09-13T13:01:24+0000
    Collision Probability (Pc) 1.329026E-6
    Conjunction Distance (km) 2.739 km
    Relative Speed (km/s) 11.852 km/s
    Conjunction Risk Parameters R (Radial): 2.412 | I (In-track): -0.808 | C (Cross-track): 1.016
    Collision Risk Index (CRI) 0.37
    X Position (km) 4690.491 4691.245
    Position Y (km) -4488.28 -4490.798
    Position Z (km) 2140.794 2141.563
    Velocity X (km/s) 1.987 4.68
    Velocity Y (km/s) 4.772 2.194
    Velocity Z (km/s) 5.625 -5.624

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4120 STARLINK-35135
    Semimajor Axis (a) 6837.869 km 6840.790 km
    Eccentricity (e) 0.000105 0.000129
    Inclination (i) 53.1608° 53.1576°
    RAAN 309.8943° 161.6641°
    Perigee Argument 85.0167° 97.7765°
    Mean Anomaly (M) 275.0956° 262.3384°
    Apogee 460.452 km 463.537 km
    Perigee 459.012 km 461.769 km
    Orbit Epoch 2026-09-11T20:18:20+0000 2026-09-11T04:04:05+0000

    STARLINK-4120 & STARLINK-35135 Collision Probability (Pc) Trend

    STARLINK-4120 & STARLINK-35135 Collision Probability (Pc) TrendNot Available

    STARLINK-4120 & STARLINK-35135 Miss Distance (Miss Distance) Trend

    STARLINK-4120 & STARLINK-35135 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4120Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35135Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4120Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35135Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4120

    No nearby objects data