Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.395269E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T21:41:06+0800
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    1 Object 1

    AOE ID 52336
    NORAD ID 52336
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53408
    NORAD ID 53408
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3823 STARLINK-4491
    Time of Closest Approach 2026-10-23T07:28:59+0000
    Collision Probability (Pc) 9.395269E-7
    Conjunction Distance (km) 2.991 km
    Relative Speed (km/s) 7.847 km/s
    Conjunction Risk Parameters R (Radial): 2.637 | I (In-track): -1.211 | C (Cross-track): -0.721
    Collision Risk Index (CRI) 0.34
    X Position (km) 2001.128 2001.636
    Position Y (km) -4337.204 -4334.941
    Position Z (km) 4887.091 4885.203
    Velocity X (km/s) 4.775 7.13
    Velocity Y (km/s) 5.297 0.197
    Velocity Z (km/s) 2.738 -2.739

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3823 STARLINK-4491
    Semimajor Axis (a) 6840.862 km 6837.857 km
    Eccentricity (e) 0.000183 0.000112
    Inclination (i) 53.1600° 53.1607°
    RAAN 254.1731° 176.2512°
    Perigee Argument 90.8300° 82.4331°
    Mean Anomaly (M) 269.2913° 277.6799°
    Apogee 463.979 km 460.486 km
    Perigee 461.471 km 458.954 km
    Orbit Epoch 2026-10-21T06:44:51+0000 2026-10-20T21:10:31+0000

    STARLINK-3823 & STARLINK-4491 Collision Probability (Pc) Trend

    STARLINK-3823 & STARLINK-4491 Collision Probability (Pc) TrendNot Available

    STARLINK-3823 & STARLINK-4491 Miss Distance (Miss Distance) Trend

    STARLINK-3823 & STARLINK-4491 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3823Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4491Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3823Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4491Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3823

    No nearby objects data