Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.566191E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T21:48:10+0800
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    1 Object 1

    AOE ID 63552
    NORAD ID 63552
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64073
    NORAD ID 64073
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-11685 STARLINK-11729
    Time of Closest Approach 2026-09-15T19:05:07+0000
    Collision Probability (Pc) 7.566191E-7
    Conjunction Distance (km) 2.871 km
    Relative Speed (km/s) 4.833 km/s
    Conjunction Risk Parameters R (Radial): -2.856 | I (In-track): -0.26 | C (Cross-track): -0.087
    Collision Risk Index (CRI) 0.33
    X Position (km) 4503.548 4501.501
    Position Y (km) -2579.445 -2578.589
    Position Z (km) -4293.135 -4291.315
    Velocity X (km/s) 2.293 4.966
    Velocity Y (km/s) 7.101 5.572
    Velocity Z (km/s) -1.862 1.863

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-11685 STARLINK-11729
    Semimajor Axis (a) 6734.533 km 6733.983 km
    Eccentricity (e) 0.000168 0.000322
    Inclination (i) 43.0005° 43.0011°
    RAAN 98.6170° 44.9809°
    Perigee Argument 285.4616° 276.7088°
    Mean Anomaly (M) 74.6066° 83.3413°
    Apogee 357.525 km 358.017 km
    Perigee 355.267 km 353.675 km
    Orbit Epoch 2026-09-13T23:18:37+0000 2026-09-13T18:34:05+0000

    STARLINK-11685 & STARLINK-11729 Collision Probability (Pc) Trend

    STARLINK-11685 & STARLINK-11729 Collision Probability (Pc) TrendNot Available

    STARLINK-11685 & STARLINK-11729 Miss Distance (Miss Distance) Trend

    STARLINK-11685 & STARLINK-11729 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-11685Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11729Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-11685Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11729Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-11685

    No nearby objects data