Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.617661E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T15:46:31+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52110
    NORAD ID 52110
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68720
    NORAD ID 68720
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3687 STARLINK-36681
    Time of Closest Approach 2026-10-21T15:17:04+0000
    Collision Probability (Pc) 8.617661E-7
    Conjunction Distance (km) 2.949 km
    Relative Speed (km/s) 6.518 km/s
    Conjunction Risk Parameters R (Radial): 2.656 | I (In-track): 1.159 | C (Cross-track): -0.549
    Collision Risk Index (CRI) 0.34
    X Position (km) 4540.312 4538.602
    Position Y (km) 176.484 175.135
    Position Z (km) -5124.614 -5122.627
    Velocity X (km/s) -2.702 2.169
    Velocity Y (km/s) 6.792 6.982
    Velocity Z (km/s) -2.162 2.162

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3687 STARLINK-36681
    Semimajor Axis (a) 6843.377 km 6840.835 km
    Eccentricity (e) 0.000128 0.000151
    Inclination (i) 53.1583° 53.1581°
    RAAN 132.9172° 70.5503°
    Perigee Argument 84.4649° 82.5879°
    Mean Anomaly (M) 275.6499° 277.5295°
    Apogee 466.118 km 463.734 km
    Perigee 464.362 km 461.662 km
    Orbit Epoch 2026-10-19T19:58:16+0000 2026-10-19T08:52:24+0000

    STARLINK-3687 & STARLINK-36681 Collision Probability (Pc) Trend

    STARLINK-3687 & STARLINK-36681 Collision Probability (Pc) TrendNot Available

    STARLINK-3687 & STARLINK-36681 Miss Distance (Miss Distance) Trend

    STARLINK-3687 & STARLINK-36681 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3687Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36681Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3687Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36681Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3687

    No nearby objects data