Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.080354E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:36:44+0800
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    1 Object 1

    AOE ID 53509
    NORAD ID 53509
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 60042
    NORAD ID 60042
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4402 STARLINK-11120
    Time of Closest Approach 2026-09-12T10:46:19+0000
    Collision Probability (Pc) 1.080354E-6
    Conjunction Distance (km) 2.638 km
    Relative Speed (km/s) 7.495 km/s
    Conjunction Risk Parameters R (Radial): -2.352 | I (In-track): 1.043 | C (Cross-track): 0.579
    Collision Risk Index (CRI) 0.36
    X Position (km) 4600.842 4602.076
    Position Y (km) 2773.35 2773.622
    Position Z (km) -4070.947 -4073.262
    Velocity X (km/s) 4.576 -0.368
    Velocity Y (km/s) 1.268 6.531
    Velocity Z (km/s) 6.043 4.035

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4402 STARLINK-11120
    Semimajor Axis (a) 6734.046 km 6737.869 km
    Eccentricity (e) 0.000172 0.000084
    Inclination (i) 97.6058° 53.1579°
    RAAN 24.9621° 69.1254°
    Perigee Argument 66.4805° 123.8676°
    Mean Anomaly (M) 101.3275° 236.2423°
    Apogee 357.066 km 360.301 km
    Perigee 354.752 km 359.163 km
    Orbit Epoch 2026-09-12T04:00:02+0000 2026-09-11T18:10:18+0000

    STARLINK-4402 & STARLINK-11120 Collision Probability (Pc) Trend

    STARLINK-4402 & STARLINK-11120 Collision Probability (Pc) TrendNot Available

    STARLINK-4402 & STARLINK-11120 Miss Distance (Miss Distance) Trend

    STARLINK-4402 & STARLINK-11120 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4402Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11120Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4402Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11120Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4402

    No nearby objects data