Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.223808E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:06:33+0800
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    1 Object 1

    AOE ID 52643
    NORAD ID 52643
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62674
    NORAD ID 62674
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-3963 OBJECT BT
    Time of Closest Approach 2026-10-21T21:30:13+0000
    Collision Probability (Pc) 1.223808E-6
    Conjunction Distance (km) 2.696 km
    Relative Speed (km/s) 9.87 km/s
    Conjunction Risk Parameters R (Radial): 2.658 | I (In-track): -0.345 | C (Cross-track): -0.297
    Collision Risk Index (CRI) 0.37
    X Position (km) 4350.119 4352.144
    Position Y (km) 628.31 628.384
    Position Z (km) 5242.59 5244.369
    Velocity X (km/s) -3.095 -5.457
    Velocity Y (km/s) 6.755 -2.333
    Velocity Z (km/s) 1.754 4.795

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3963 OBJECT BT
    Semimajor Axis (a) 6848.879 km 6846.419 km
    Eccentricity (e) 0.000133 0.000355
    Inclination (i) 53.1589° 97.3975°
    RAAN 317.9309° 14.4452°
    Perigee Argument 79.3032° 214.0921°
    Mean Anomaly (M) 280.8118° 146.0093°
    Apogee 471.651 km 470.714 km
    Perigee 469.833 km 465.850 km
    Orbit Epoch 2026-10-19T01:50:49+0000 2026-10-19T05:02:08+0000

    STARLINK-3963 & OBJECT BT Collision Probability (Pc) Trend

    STARLINK-3963 & OBJECT BT Collision Probability (Pc) TrendNot Available

    STARLINK-3963 & OBJECT BT Miss Distance (Miss Distance) Trend

    STARLINK-3963 & OBJECT BT Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3963Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT BTMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3963Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT BTCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3963

    No nearby objects data