Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.30568E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T10:23:53+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 59632
    NORAD ID 59632
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63799
    NORAD ID 63799
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31781 STARLINK-33899
    Time of Closest Approach 2026-10-21T20:30:28+0000
    Collision Probability (Pc) 3.30568E-6
    Conjunction Distance (km) 1.561 km
    Relative Speed (km/s) 6.203 km/s
    Conjunction Risk Parameters R (Radial): 0.828 | I (In-track): 1.21 | C (Cross-track): -0.533
    Collision Risk Index (CRI) 0.45
    X Position (km) -5221.663 -5220.617
    Position Y (km) 1715.566 1716.614
    Position Z (km) -4111.089 -4110.597
    Velocity X (km/s) -0.408 -3.937
    Velocity Y (km/s) -7.191 -6.033
    Velocity Z (km/s) -2.484 2.483

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31781 STARLINK-33899
    Semimajor Axis (a) 6861.251 km 6861.170 km
    Eccentricity (e) 0.000142 0.000176
    Inclination (i) 43.0040° 42.9974°
    RAAN 300.5055° 229.9070°
    Perigee Argument 271.5484° 267.9369°
    Mean Anomaly (M) 88.5205° 92.1282°
    Apogee 484.087 km 484.238 km
    Perigee 482.141 km 481.828 km
    Orbit Epoch 2026-10-19T17:14:18+0000 2026-10-19T06:00:26+0000

    STARLINK-31781 & STARLINK-33899 Collision Probability (Pc) Trend

    STARLINK-31781 & STARLINK-33899 Collision Probability (Pc) TrendNot Available

    STARLINK-31781 & STARLINK-33899 Miss Distance (Miss Distance) Trend

    STARLINK-31781 & STARLINK-33899 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31781Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33899Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31781Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33899Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31781

    No nearby objects data