Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.428344E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:00:05+0800
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    1 Object 1

    AOE ID 53408
    NORAD ID 53408
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62828
    NORAD ID 62828
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4491 STARLINK-32727
    Time of Closest Approach 2026-10-21T03:21:02+0000
    Collision Probability (Pc) 1.428344E-6
    Conjunction Distance (km) 2.627 km
    Relative Speed (km/s) 12.024 km/s
    Conjunction Risk Parameters R (Radial): 2.555 | I (In-track): 0.377 | C (Cross-track): -0.482
    Collision Risk Index (CRI) 0.38
    X Position (km) -6416.667 -6419.224
    Position Y (km) 1755.41 1755.475
    Position Z (km) -1593.238 -1593.833
    Velocity X (km/s) -2.587 0.103
    Velocity Y (km/s) -4.171 -4.906
    Velocity Z (km/s) 5.849 -5.847

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4491 STARLINK-32727
    Semimajor Axis (a) 6837.871 km 6840.809 km
    Eccentricity (e) 0.000115 0.000216
    Inclination (i) 53.1594° 53.1572°
    RAAN 185.0896° 343.6653°
    Perigee Argument 85.0958° 92.7060°
    Mean Anomaly (M) 275.0176° 267.4190°
    Apogee 460.522 km 464.150 km
    Perigee 458.946 km 461.194 km
    Orbit Epoch 2026-10-18T23:52:14+0000 2026-10-19T03:36:05+0000

    STARLINK-4491 & STARLINK-32727 Collision Probability (Pc) Trend

    STARLINK-4491 & STARLINK-32727 Collision Probability (Pc) TrendNot Available

    STARLINK-4491 & STARLINK-32727 Miss Distance (Miss Distance) Trend

    STARLINK-4491 & STARLINK-32727 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4491Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32727Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4491Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32727Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4491

    No nearby objects data