Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.230056E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:45:37+0800
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    1 Object 1

    AOE ID 51987
    NORAD ID 51987
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62867
    NORAD ID 62867
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3644 STARLINK-32846
    Time of Closest Approach 2026-10-22T17:49:52+0000
    Collision Probability (Pc) 2.230056E-5
    Conjunction Distance (km) 0.917 km
    Relative Speed (km/s) 7.346 km/s
    Conjunction Risk Parameters R (Radial): -0.877 | I (In-track): 0.233 | C (Cross-track): -0.127
    Collision Risk Index (CRI) 0.62
    X Position (km) 4283.847 4283.191
    Position Y (km) 1898.145 1898.145
    Position Z (km) -4992.126 -4991.486
    Velocity X (km/s) -0.26 -5.155
    Velocity Y (km/s) 7.194 5.026
    Velocity Z (km/s) 2.514 -2.514

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3644 STARLINK-32846
    Semimajor Axis (a) 6840.880 km 6840.878 km
    Eccentricity (e) 0.000164 0.000111
    Inclination (i) 53.1612° 53.1583°
    RAAN 89.0343° 163.8849°
    Perigee Argument 87.0297° 92.9468°
    Mean Anomaly (M) 273.0894° 267.1661°
    Apogee 463.867 km 463.498 km
    Perigee 461.619 km 461.984 km
    Orbit Epoch 2026-10-20T03:35:11+0000 2026-10-19T23:06:41+0000

    STARLINK-3644 & STARLINK-32846 Collision Probability (Pc) Trend

    STARLINK-3644 & STARLINK-32846 Collision Probability (Pc) TrendNot Available

    STARLINK-3644 & STARLINK-32846 Miss Distance (Miss Distance) Trend

    STARLINK-3644 & STARLINK-32846 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3644Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32846Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3644Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32846Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3644

    No nearby objects data