Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.966375E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:57:43+0800
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    1 Object 1

    AOE ID 52644
    NORAD ID 52644
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66387
    NORAD ID 66387
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3985 STARLINK-35661
    Time of Closest Approach 2026-10-22T08:35:08+0000
    Collision Probability (Pc) 9.966375E-7
    Conjunction Distance (km) 2.645 km
    Relative Speed (km/s) 6.542 km/s
    Conjunction Risk Parameters R (Radial): 2.608 | I (In-track): 0.398 | C (Cross-track): -0.185
    Collision Risk Index (CRI) 0.35
    X Position (km) 4532.954 4534.676
    Position Y (km) 68.703 69.168
    Position Z (km) 5109.12 5111.073
    Velocity X (km/s) -2.555 2.343
    Velocity Y (km/s) 6.867 6.941
    Velocity Z (km/s) 2.168 -2.167

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3985 STARLINK-35661
    Semimajor Axis (a) 6837.867 km 6840.805 km
    Eccentricity (e) 0.000150 0.000119
    Inclination (i) 53.1596° 53.1571°
    RAAN 317.2862° 252.6520°
    Perigee Argument 91.6728° 94.5208°
    Mean Anomaly (M) 268.4447° 265.5931°
    Apogee 460.755 km 463.485 km
    Perigee 458.705 km 461.851 km
    Orbit Epoch 2026-10-19T08:25:23+0000 2026-10-19T08:11:58+0000

    STARLINK-3985 & STARLINK-35661 Collision Probability (Pc) Trend

    STARLINK-3985 & STARLINK-35661 Collision Probability (Pc) TrendNot Available

    STARLINK-3985 & STARLINK-35661 Miss Distance (Miss Distance) Trend

    STARLINK-3985 & STARLINK-35661 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3985Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35661Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3985Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35661Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3985

    No nearby objects data