Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.311672E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:01:02+0800
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    1 Object 1

    AOE ID 54760
    NORAD ID 54760
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66199
    NORAD ID 66199
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5220 STARLINK-35509
    Time of Closest Approach 2026-10-21T11:49:56+0000
    Collision Probability (Pc) 1.311672E-6
    Conjunction Distance (km) 2.799 km
    Relative Speed (km/s) 12.216 km/s
    Conjunction Risk Parameters R (Radial): 2.484 | I (In-track): -0.777 | C (Cross-track): 1.029
    Collision Risk Index (CRI) 0.37
    X Position (km) -840.201 -839.227
    Position Y (km) 6777.575 6780.194
    Position Z (km) -366.403 -366.541
    Velocity X (km/s) -4.588 -4.509
    Velocity Y (km/s) -0.246 -0.88
    Velocity Z (km/s) 6.1 -6.099

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5220 STARLINK-35509
    Semimajor Axis (a) 6837.881 km 6840.833 km
    Eccentricity (e) 0.000086 0.000218
    Inclination (i) 53.1589° 53.1570°
    RAAN 106.9901° 281.6073°
    Perigee Argument 92.6838° 93.5439°
    Mean Anomaly (M) 267.4264° 266.5812°
    Apogee 460.332 km 464.186 km
    Perigee 459.156 km 461.206 km
    Orbit Epoch 2026-10-19T20:47:36+0000 2026-10-20T00:38:41+0000

    STARLINK-5220 & STARLINK-35509 Collision Probability (Pc) Trend

    STARLINK-5220 & STARLINK-35509 Collision Probability (Pc) TrendNot Available

    STARLINK-5220 & STARLINK-35509 Miss Distance (Miss Distance) Trend

    STARLINK-5220 & STARLINK-35509 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5220Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35509Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5220Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35509Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5220

    No nearby objects data