Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.205172E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T01:36:18+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 59218
    NORAD ID 59218
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66371
    NORAD ID 66371
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31421 STARLINK-35804
    Time of Closest Approach 2026-10-30T02:24:56+0000
    Collision Probability (Pc) 6.205172E-6
    Conjunction Distance (km) 1.341 km
    Relative Speed (km/s) 7.649 km/s
    Conjunction Risk Parameters R (Radial): -0.248 | I (In-track): -1.142 | C (Cross-track): 0.655
    Collision Risk Index (CRI) 0.51
    X Position (km) 45.037 46.352
    Position Y (km) 4745.986 4745.797
    Position Z (km) -4933.495 -4933.321
    Velocity X (km/s) -6.571 -6.624
    Velocity Y (km/s) 2.818 -2.691
    Velocity Z (km/s) 2.653 -2.652

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31421 STARLINK-35804
    Semimajor Axis (a) 6840.901 km 6840.816 km
    Eccentricity (e) 0.000067 0.000070
    Inclination (i) 53.1579° 53.1573°
    RAAN 150.6554° 230.3233°
    Perigee Argument 107.3282° 60.5553°
    Mean Anomaly (M) 252.7794° 299.5520°
    Apogee 463.225 km 463.157 km
    Perigee 462.303 km 462.201 km
    Orbit Epoch 2026-10-27T23:06:27+0000 2026-10-27T12:23:28+0000

    STARLINK-31421 & STARLINK-35804 Collision Probability (Pc) Trend

    STARLINK-31421 & STARLINK-35804 Collision Probability (Pc) TrendNot Available

    STARLINK-31421 & STARLINK-35804 Miss Distance (Miss Distance) Trend

    STARLINK-31421 & STARLINK-35804 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31421Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35804Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31421Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35804Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31421

    No nearby objects data