Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.457312E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:48:10+0800
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    1 Object 1

    AOE ID 55426
    NORAD ID 55426
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58895
    NORAD ID 58895
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5638 STARLINK-31218
    Time of Closest Approach 2026-10-23T00:19:02+0000
    Collision Probability (Pc) 2.457312E-6
    Conjunction Distance (km) 1.993 km
    Relative Speed (km/s) 11.471 km/s
    Conjunction Risk Parameters R (Radial): -0.285 | I (In-track): 1.291 | C (Cross-track): -1.491
    Collision Risk Index (CRI) 0.43
    X Position (km) -4426.917 -4426.083
    Position Y (km) -2403.688 -2405.42
    Position Z (km) -4648.281 -4647.758
    Velocity X (km/s) -2.33 5.593
    Velocity Y (km/s) -5.303 -4.039
    Velocity Z (km/s) 4.957 -3.24

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5638 STARLINK-31218
    Semimajor Axis (a) 6853.666 km 6848.890 km
    Eccentricity (e) 0.000945 0.000143
    Inclination (i) 69.9990° 53.1588°
    RAAN 235.3865° 357.7178°
    Perigee Argument 271.9755° 96.4061°
    Mean Anomaly (M) 88.0337° 263.7103°
    Apogee 482.008 km 471.732 km
    Perigee 469.050 km 469.774 km
    Orbit Epoch 2026-10-20T06:37:40+0000 2026-10-20T05:30:38+0000

    STARLINK-5638 & STARLINK-31218 Collision Probability (Pc) Trend

    STARLINK-5638 & STARLINK-31218 Collision Probability (Pc) TrendNot Available

    STARLINK-5638 & STARLINK-31218 Miss Distance (Miss Distance) Trend

    STARLINK-5638 & STARLINK-31218 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5638Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31218Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5638Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31218Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5638

    No nearby objects data