Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    7.075407E-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 2026-10-23T02:25:43+0000
    Collision Probability (Pc) 7.075407E-5
    Conjunction Distance (km) 0.637 km
    Relative Speed (km/s) 7.359 km/s
    Conjunction Risk Parameters R (Radial): -0.01 | I (In-track): 0.556 | C (Cross-track): 0.311
    Collision Risk Index (CRI) 0.72
    X Position (km) -4329.242 -4328.991
    Position Y (km) -1768.522 -1769.107
    Position Z (km) 4982.694 4982.69
    Velocity X (km/s) 0.045 5.019
    Velocity Y (km/s) -7.214 -5.182
    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