Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.7609E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T01:57:11+0800
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    1 Object 1

    AOE ID 61877
    NORAD ID 61877
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64238
    NORAD ID 64238
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-11321 STARLINK-11708
    Time of Closest Approach 2026-09-17T12:07:46+0000
    Collision Probability (Pc) 4.7609E-7
    Conjunction Distance (km) 2.586 km
    Relative Speed (km/s) 1.383 km/s
    Conjunction Risk Parameters R (Radial): 2.468 | I (In-track): 0.768 | C (Cross-track): -0.065
    Collision Risk Index (CRI) 0.29
    X Position (km) 3877.901 3876.016
    Position Y (km) -5443.895 -5442.146
    Position Z (km) 845.282 845.535
    Velocity X (km/s) 4.238 5.002
    Velocity Y (km/s) 2.064 2.755
    Velocity Z (km/s) -6.083 -5.161

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-11321 STARLINK-11708
    Semimajor Axis (a) 6737.935 km 6734.471 km
    Eccentricity (e) 0.000124 0.000174
    Inclination (i) 53.1596° 43.0003°
    RAAN 146.1233° 146.3610°
    Perigee Argument 127.1906° 261.4042°
    Mean Anomaly (M) 232.9226° 210.9526°
    Apogee 360.635 km 357.508 km
    Perigee 358.961 km 355.160 km
    Orbit Epoch 2026-09-14T10:03:26+0000 2026-09-15T08:00:02+0000

    STARLINK-11321 & STARLINK-11708 Collision Probability (Pc) Trend

    STARLINK-11321 & STARLINK-11708 Collision Probability (Pc) TrendNot Available

    STARLINK-11321 & STARLINK-11708 Miss Distance (Miss Distance) Trend

    STARLINK-11321 & STARLINK-11708 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-11321Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11708Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-11321Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11708Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-11321

    No nearby objects data