Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.216176E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T18:06:38+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 55347
    NORAD ID 55347
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59746
    NORAD ID 59746
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5663 STARLINK-31681
    Time of Closest Approach 2026-10-29T04:47:13+0000
    Collision Probability (Pc) 2.216176E-6
    Conjunction Distance (km) 1.971 km
    Relative Speed (km/s) 9.288 km/s
    Conjunction Risk Parameters R (Radial): -1.845 | I (In-track): -0.551 | C (Cross-track): -0.416
    Collision Risk Index (CRI) 0.42
    X Position (km) 118.391 117.669
    Position Y (km) -6328.785 -6327.099
    Position Z (km) -2654.461 -2653.742
    Velocity X (km/s) 6.009 6.077
    Velocity Y (km/s) 1.908 -1.681
    Velocity Z (km/s) -4.281 4.284

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5663 STARLINK-31681
    Semimajor Axis (a) 6861.341 km 6861.179 km
    Eccentricity (e) 0.000432 0.000204
    Inclination (i) 42.9949° 43.0028°
    RAAN 78.5803° 313.2874°
    Perigee Argument 290.3729° 282.2035°
    Mean Anomaly (M) 69.6658° 77.8589°
    Apogee 486.165 km 484.440 km
    Perigee 480.243 km 481.644 km
    Orbit Epoch 2026-10-26T16:12:57+0000 2026-10-26T11:01:43+0000

    STARLINK-5663 & STARLINK-31681 Collision Probability (Pc) Trend

    STARLINK-5663 & STARLINK-31681 Collision Probability (Pc) TrendNot Available

    STARLINK-5663 & STARLINK-31681 Miss Distance (Miss Distance) Trend

    STARLINK-5663 & STARLINK-31681 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5663Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31681Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5663Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31681Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5663

    No nearby objects data