Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.192716E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:40:58+0800
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    1 Object 1

    AOE ID 51992
    NORAD ID 51992
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57203
    NORAD ID 57203
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-3643 OBJECT AP
    Time of Closest Approach 2026-10-20T09:47:47+0000
    Collision Probability (Pc) 1.192716E-6
    Conjunction Distance (km) 2.701 km
    Relative Speed (km/s) 9.476 km/s
    Conjunction Risk Parameters R (Radial): -2.565 | I (In-track): 0.666 | C (Cross-track): 0.514
    Collision Risk Index (CRI) 0.37
    X Position (km) 4430.646 4429.458
    Position Y (km) 872.327 872.492
    Position Z (km) -5146.022 -5143.603
    Velocity X (km/s) 0.999 5.8
    Velocity Y (km/s) 7.263 -0.395
    Velocity Z (km/s) 2.093 4.936

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3643 OBJECT AP
    Semimajor Axis (a) 6840.881 km 6839.675 km
    Eccentricity (e) 0.000123 0.000690
    Inclination (i) 53.1603° 97.4957°
    RAAN 74.6404° 2.0607°
    Perigee Argument 90.1785° 7.1766°
    Mean Anomaly (M) 269.9359° 352.9575°
    Apogee 463.589 km 466.260 km
    Perigee 461.899 km 456.816 km
    Orbit Epoch 2026-10-19T09:05:18+0000 2026-10-19T23:03:27+0000

    STARLINK-3643 & OBJECT AP Collision Probability (Pc) Trend

    STARLINK-3643 & OBJECT AP Collision Probability (Pc) TrendNot Available

    STARLINK-3643 & OBJECT AP Miss Distance (Miss Distance) Trend

    STARLINK-3643 & OBJECT AP Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3643Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT APMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3643Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT APCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3643

    No nearby objects data