Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.906341E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:13:08+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52459
    NORAD ID 52459
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52561
    NORAD ID 52561
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3856 STARLINK-3955
    Time of Closest Approach 2026-10-28T21:39:43+0000
    Collision Probability (Pc) 4.906341E-5
    Conjunction Distance (km) 0.715 km
    Relative Speed (km/s) 7.121 km/s
    Conjunction Risk Parameters R (Radial): -0.607 | I (In-track): -0.33 | C (Cross-track): -0.178
    Collision Risk Index (CRI) 0.69
    X Position (km) 4356.682 4356.942
    Position Y (km) 1604.512 1605.008
    Position Z (km) -5030.612 -5031.056
    Velocity X (km/s) 0.124 -4.785
    Velocity Y (km/s) 7.232 5.424
    Velocity Z (km/s) 2.416 -2.415

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3856 STARLINK-3955
    Semimajor Axis (a) 6840.860 km 6840.996 km
    Eccentricity (e) 0.000067 0.000071
    Inclination (i) 53.1613° 53.1588°
    RAAN 84.8390° 153.4118°
    Perigee Argument 28.7879° 97.0743°
    Mean Anomaly (M) 331.3161° 263.0340°
    Apogee 463.180 km 463.347 km
    Perigee 462.266 km 462.371 km
    Orbit Epoch 2026-10-26T16:48:04+0000 2026-10-27T07:04:17+0000

    STARLINK-3856 & STARLINK-3955 Collision Probability (Pc) Trend

    STARLINK-3856 & STARLINK-3955 Collision Probability (Pc) TrendNot Available

    STARLINK-3856 & STARLINK-3955 Miss Distance (Miss Distance) Trend

    STARLINK-3856 & STARLINK-3955 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3856Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3955Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3856Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3955Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3856

    No nearby objects data