Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.423459E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:57:11+0800
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    1 Object 1

    AOE ID 49447
    NORAD ID 49447
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53508
    NORAD ID 53508
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3115 STARLINK-4443
    Time of Closest Approach 2026-10-21T21:23:20+0000
    Collision Probability (Pc) 1.423459E-6
    Conjunction Distance (km) 2.812 km
    Relative Speed (km/s) 14.233 km/s
    Conjunction Risk Parameters R (Radial): -2.811 | I (In-track): 0.009 | C (Cross-track): -0.009
    Collision Risk Index (CRI) 0.38
    X Position (km) 3623.896 3622.412
    Position Y (km) 3732.183 3730.656
    Position Z (km) 4445.246 4443.409
    Velocity X (km/s) -2.194 -2.499
    Velocity Y (km/s) 6.386 -4.401
    Velocity Z (km/s) -3.563 5.716

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3115 STARLINK-4443
    Semimajor Axis (a) 6848.878 km 6843.696 km
    Eccentricity (e) 0.000142 0.000134
    Inclination (i) 53.1591° 97.2845°
    RAAN 279.1606° 49.5388°
    Perigee Argument 94.6003° 88.2341°
    Mean Anomaly (M) 265.5160° 271.9056°
    Apogee 471.713 km 466.479 km
    Perigee 469.769 km 464.639 km
    Orbit Epoch 2026-10-18T23:56:19+0000 2026-10-19T06:33:59+0000

    STARLINK-3115 & STARLINK-4443 Collision Probability (Pc) Trend

    STARLINK-3115 & STARLINK-4443 Collision Probability (Pc) TrendNot Available

    STARLINK-3115 & STARLINK-4443 Miss Distance (Miss Distance) Trend

    STARLINK-3115 & STARLINK-4443 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3115Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4443Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3115Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4443Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3115

    No nearby objects data