Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.580697E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T17:12:21+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 66173
    NORAD ID 66173
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31421 STARLINK-35634
    Time of Closest Approach 2026-10-21T17:17:10+0000
    Collision Probability (Pc) 3.580697E-5
    Conjunction Distance (km) 0.826 km
    Relative Speed (km/s) 8.811 km/s
    Conjunction Risk Parameters R (Radial): 0.362 | I (In-track): -0.609 | C (Cross-track): -0.424
    Collision Risk Index (CRI) 0.66
    X Position (km) -3619.286 -3618.582
    Position Y (km) -3472.234 -3472.587
    Position Z (km) 4644.074 4643.825
    Velocity X (km/s) 6.483 2.17
    Velocity Y (km/s) -2.432 -6.589
    Velocity Z (km/s) 3.224 -3.236

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31421 STARLINK-35634
    Semimajor Axis (a) 6840.901 km 6854.545 km
    Eccentricity (e) 0.000174 0.003996
    Inclination (i) 53.1560° 53.1586°
    RAAN 183.8505° 92.4265°
    Perigee Argument 157.8979° 129.4241°
    Mean Anomaly (M) 202.2099° 231.0308°
    Apogee 463.954 km 503.800 km
    Perigee 461.574 km 449.016 km
    Orbit Epoch 2026-10-20T20:42:42+0000 2026-10-20T17:11:44+0000

    STARLINK-31421 & STARLINK-35634 Collision Probability (Pc) Trend

    STARLINK-31421 & STARLINK-35634 Collision Probability (Pc) TrendNot Available

    STARLINK-31421 & STARLINK-35634 Miss Distance (Miss Distance) Trend

    STARLINK-31421 & STARLINK-35634 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31421Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35634Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31421Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35634Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31421

    No nearby objects data