Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.438165E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T14:21:23+0800
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    1 Object 1

    AOE ID 60402
    NORAD ID 60402
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63059
    NORAD ID 63059
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-11139 STARLINK-11509
    Time of Closest Approach 2026-10-22T12:59:59+0000
    Collision Probability (Pc) 8.438165E-7
    Conjunction Distance (km) 2.508 km
    Relative Speed (km/s) 4.171 km/s
    Conjunction Risk Parameters R (Radial): -2.413 | I (In-track): 0.654 | C (Cross-track): 0.185
    Collision Risk Index (CRI) 0.34
    X Position (km) -4925.534 -4923.881
    Position Y (km) -307.705 -308.244
    Position Z (km) 4578.042 4576.236
    Velocity X (km/s) -2.617 0.143
    Velocity Y (km/s) -6.472 -7.688
    Velocity Z (km/s) -3.242 -0.362

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-11139 STARLINK-11509
    Semimajor Axis (a) 6737.842 km 6734.596 km
    Eccentricity (e) 0.000089 0.000329
    Inclination (i) 53.1599° 42.9965°
    RAAN 52.1420° 92.4963°
    Perigee Argument 117.9008° 282.1726°
    Mean Anomaly (M) 242.2101° 77.8773°
    Apogee 360.307 km 358.675 km
    Perigee 359.103 km 354.243 km
    Orbit Epoch 2026-10-21T15:05:27+0000 2026-10-21T19:49:03+0000

    STARLINK-11139 & STARLINK-11509 Collision Probability (Pc) Trend

    STARLINK-11139 & STARLINK-11509 Collision Probability (Pc) TrendNot Available

    STARLINK-11139 & STARLINK-11509 Miss Distance (Miss Distance) Trend

    STARLINK-11139 & STARLINK-11509 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-11139Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11509Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-11139Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11509Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-11139

    No nearby objects data