Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.443977E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:42:30+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 54844
    NORAD ID 54844
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59889
    NORAD ID 59889
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5388 STARLINK-31969
    Time of Closest Approach 2026-10-20T20:59:17+0000
    Collision Probability (Pc) 1.443977E-4
    Conjunction Distance (km) 0.331 km
    Relative Speed (km/s) 1.252 km/s
    Conjunction Risk Parameters R (Radial): 0.197 | I (In-track): -0.264 | C (Cross-track): -0.02
    Collision Risk Index (CRI) 0.78
    X Position (km) 4479.725 4479.476
    Position Y (km) 2291.975 2292.145
    Position Z (km) 4655.517 4655.383
    Velocity X (km/s) -3.841 -3.084
    Velocity Y (km/s) 6.573 6.961
    Velocity Z (km/s) 0.459 -0.459

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5388 STARLINK-31969
    Semimajor Axis (a) 6861.211 km 6861.318 km
    Eccentricity (e) 0.000125 0.000077
    Inclination (i) 43.0028° 43.0027°
    RAAN 308.5269° 296.5665°
    Perigee Argument 266.0616° 258.7300°
    Mean Anomaly (M) 94.0093° 101.3465°
    Apogee 483.933 km 483.712 km
    Perigee 482.215 km 482.650 km
    Orbit Epoch 2026-10-20T01:47:13+0000 2026-10-19T17:53:45+0000

    STARLINK-5388 & STARLINK-31969 Collision Probability (Pc) Trend

    STARLINK-5388 & STARLINK-31969 Collision Probability (Pc) TrendNot Available

    STARLINK-5388 & STARLINK-31969 Miss Distance (Miss Distance) Trend

    STARLINK-5388 & STARLINK-31969 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5388Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31969Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5388Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31969Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5388

    No nearby objects data