Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.315053E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:07:05+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 64443
    NORAD ID 64443
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3985 STARLINK-34403
    Time of Closest Approach 2026-10-21T11:56:16+0000
    Collision Probability (Pc) 1.315053E-6
    Conjunction Distance (km) 2.79 km
    Relative Speed (km/s) 12.172 km/s
    Conjunction Risk Parameters R (Radial): 2.655 | I (In-track): 0.523 | C (Cross-track): -0.678
    Collision Risk Index (CRI) 0.37
    X Position (km) 3587.359 3589.479
    Position Y (km) -5762.538 -5764.322
    Position Z (km) -840.135 -840.454
    Velocity X (km/s) 4.307 3.522
    Velocity Y (km/s) 1.809 3.067
    Velocity Z (km/s) 6.041 -6.04

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3985 STARLINK-34403
    Semimajor Axis (a) 6837.856 km 6840.832 km
    Eccentricity (e) 0.000131 0.000022
    Inclination (i) 53.1547° 53.1602°
    RAAN 318.5020° 128.3208°
    Perigee Argument 81.1882° 39.1110°
    Mean Anomaly (M) 278.9270° 320.9908°
    Apogee 460.616 km 462.845 km
    Perigee 458.822 km 462.545 km
    Orbit Epoch 2026-10-19T02:10:27+0000 2026-10-18T23:43:04+0000

    STARLINK-3985 & STARLINK-34403 Collision Probability (Pc) Trend

    STARLINK-3985 & STARLINK-34403 Collision Probability (Pc) TrendNot Available

    STARLINK-3985 & STARLINK-34403 Miss Distance (Miss Distance) Trend

    STARLINK-3985 & STARLINK-34403 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3985Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34403Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3985Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34403Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3985

    No nearby objects data