Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.480526E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:39:05+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 51983
    NORAD ID 51983
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67981
    NORAD ID 67981
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3655 STARLINK-36874
    Time of Closest Approach 2026-10-21T21:19:49+0000
    Collision Probability (Pc) 1.480526E-6
    Conjunction Distance (km) 2.735 km
    Relative Speed (km/s) 14.218 km/s
    Conjunction Risk Parameters R (Radial): 2.163 | I (In-track): 0.607 | C (Cross-track): -1.559
    Collision Risk Index (CRI) 0.38
    X Position (km) -3265.462 -3267.962
    Position Y (km) 4007.193 4007.997
    Position Z (km) 4475.287 4476.046
    Velocity X (km/s) -2.77 -2.126
    Velocity Y (km/s) -6.191 4.633
    Velocity Z (km/s) 3.512 -5.684

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3655 STARLINK-36874
    Semimajor Axis (a) 6843.371 km 6843.707 km
    Eccentricity (e) 0.000115 0.000158
    Inclination (i) 53.1591° 97.2839°
    RAAN 98.7938° 300.7535°
    Perigee Argument 82.0025° 96.2648°
    Mean Anomaly (M) 278.1108° 263.8775°
    Apogee 466.024 km 466.650 km
    Perigee 464.444 km 464.490 km
    Orbit Epoch 2026-10-19T17:28:35+0000 2026-10-19T18:36:50+0000

    STARLINK-3655 & STARLINK-36874 Collision Probability (Pc) Trend

    STARLINK-3655 & STARLINK-36874 Collision Probability (Pc) TrendNot Available

    STARLINK-3655 & STARLINK-36874 Miss Distance (Miss Distance) Trend

    STARLINK-3655 & STARLINK-36874 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3655Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36874Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3655Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36874Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3655

    No nearby objects data