Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.29553E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-22T07:05:22+0800
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    1 Object 1

    AOE ID 55781
    NORAD ID 55781
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61740
    NORAD ID 61740
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-5820 OBJECT F
    Time of Closest Approach 2026-09-23T21:26:13+0000
    Collision Probability (Pc) 9.29553E-7
    Conjunction Distance (km) 2.337 km
    Relative Speed (km/s) 3.99 km/s
    Conjunction Risk Parameters R (Radial): 1.325 | I (In-track): -1.858 | C (Cross-track): -0.501
    Collision Risk Index (CRI) 0.34
    X Position (km) -537.564 -537.496
    Position Y (km) 6217.434 6219.478
    Position Z (km) 3058.424 3057.292
    Velocity X (km/s) -2.608 1.356
    Velocity Y (km/s) -3.326 -3.211
    Velocity Z (km/s) 6.286 6.727

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5820 OBJECT F
    Semimajor Axis (a) 6950.195 km 6956.555 km
    Eccentricity (e) 0.000270 0.001409
    Inclination (i) 69.9982° 97.3212°
    RAAN 91.7383° 96.3551°
    Perigee Argument 267.5496° 96.5492°
    Mean Anomaly (M) 92.5354° 263.7335°
    Apogee 573.935 km 588.219 km
    Perigee 570.181 km 568.617 km
    Orbit Epoch 2026-09-21T02:01:07+0000 2026-09-21T13:08:43+0000

    STARLINK-5820 & OBJECT F Collision Probability (Pc) Trend

    STARLINK-5820 & OBJECT F Collision Probability (Pc) TrendNot Available

    STARLINK-5820 & OBJECT F Miss Distance (Miss Distance) Trend

    STARLINK-5820 & OBJECT F Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5820Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT FMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5820Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT FCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5820

    No nearby objects data