Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.404954E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T14:45:13+0800
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    1 Object 1

    AOE ID 51993
    NORAD ID 51993
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61230
    NORAD ID 61230
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-3648 OBJECT D
    Time of Closest Approach 2026-10-18T10:55:44+0000
    Collision Probability (Pc) 1.404954E-6
    Conjunction Distance (km) 2.617 km
    Relative Speed (km/s) 11.565 km/s
    Conjunction Risk Parameters R (Radial): 1.577 | I (In-track): -1.358 | C (Cross-track): 1.586
    Collision Risk Index (CRI) 0.38
    X Position (km) -3870.29 -3870.341
    Position Y (km) -1378.896 -1377.59
    Position Z (km) 5459.745 5462.012
    Velocity X (km/s) 2.165 -6.167
    Velocity Y (km/s) -7.319 -0.47
    Velocity Z (km/s) -0.313 -4.484

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3648 OBJECT D
    Semimajor Axis (a) 6840.897 km 6844.161 km
    Eccentricity (e) 0.000124 0.000931
    Inclination (i) 53.1572° 97.3463°
    RAAN 109.0676° 9.2389°
    Perigee Argument 89.1096° 171.0875°
    Mean Anomaly (M) 271.0049° 189.0534°
    Apogee 463.611 km 472.393 km
    Perigee 461.909 km 459.655 km
    Orbit Epoch 2026-10-17T12:38:25+0000 2026-10-17T23:24:59+0000

    STARLINK-3648 & OBJECT D Collision Probability (Pc) Trend

    STARLINK-3648 & OBJECT D Collision Probability (Pc) TrendNot Available

    STARLINK-3648 & OBJECT D Miss Distance (Miss Distance) Trend

    STARLINK-3648 & OBJECT D Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3648Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3648Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3648

    No nearby objects data