Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    9.55796E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:14:45+0800
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    1 Object 1

    AOE ID 52455
    NORAD ID 52455
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60035
    NORAD ID 60035
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3890 STARLINK-31981
    Time of Closest Approach 2026-10-21T06:33:20+0000
    Collision Probability (Pc) 9.55796E-5
    Conjunction Distance (km) 0.434 km
    Relative Speed (km/s) 2.102 km/s
    Conjunction Risk Parameters R (Radial): 0.044 | I (In-track): -0.426 | C (Cross-track): 0.062
    Collision Risk Index (CRI) 0.75
    X Position (km) 3740.5 3740.288
    Position Y (km) 1789.447 1789.824
    Position Z (km) -5447.871 -5447.838
    Velocity X (km/s) -4.015 -2.507
    Velocity Y (km/s) 6.449 7.172
    Velocity Z (km/s) -0.638 0.635

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3890 STARLINK-31981
    Semimajor Axis (a) 6840.473 km 6840.876 km
    Eccentricity (e) 0.000130 0.000095
    Inclination (i) 53.1611° 53.1565°
    RAAN 131.5229° 112.6160°
    Perigee Argument 61.5942° 85.8047°
    Mean Anomaly (M) 298.5192° 274.3064°
    Apogee 463.226 km 463.389 km
    Perigee 461.446 km 462.089 km
    Orbit Epoch 2026-10-19T23:42:35+0000 2026-10-19T18:57:57+0000

    STARLINK-3890 & STARLINK-31981 Collision Probability (Pc) Trend

    STARLINK-3890 & STARLINK-31981 Collision Probability (Pc) TrendNot Available

    STARLINK-3890 & STARLINK-31981 Miss Distance (Miss Distance) Trend

    STARLINK-3890 & STARLINK-31981 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3890Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31981Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3890Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31981Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3890

    No nearby objects data