Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.486664E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T15:19:35+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 54798
    NORAD ID 54798
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66058
    NORAD ID 66058
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5420 STARLINK-35552
    Time of Closest Approach 2026-10-18T16:00:29+0000
    Collision Probability (Pc) 1.486664E-6
    Conjunction Distance (km) 2.57 km
    Relative Speed (km/s) 12.112 km/s
    Conjunction Risk Parameters R (Radial): 2.508 | I (In-track): -0.344 | C (Cross-track): 0.446
    Collision Risk Index (CRI) 0.38
    X Position (km) -458.505 -458.111
    Position Y (km) 6707.987 6710.485
    Position Z (km) 1241.39 1241.843
    Velocity X (km/s) -4.569 -4.72
    Velocity Y (km/s) -1.423 0.788
    Velocity Z (km/s) 5.954 -5.953

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5420 STARLINK-35552
    Semimajor Axis (a) 6837.866 km 6840.849 km
    Eccentricity (e) 0.000103 0.000146
    Inclination (i) 53.1590° 53.1588°
    RAAN 91.4519° 288.3997°
    Perigee Argument 98.1406° 90.3355°
    Mean Anomaly (M) 261.9714° 269.7815°
    Apogee 460.432 km 463.710 km
    Perigee 459.026 km 461.714 km
    Orbit Epoch 2026-10-17T11:49:52+0000 2026-10-17T06:27:24+0000

    STARLINK-5420 & STARLINK-35552 Collision Probability (Pc) Trend

    STARLINK-5420 & STARLINK-35552 Collision Probability (Pc) TrendNot Available

    STARLINK-5420 & STARLINK-35552 Miss Distance (Miss Distance) Trend

    STARLINK-5420 & STARLINK-35552 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5420Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35552Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5420Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35552Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5420

    No nearby objects data