Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.306416E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-14T05:46:40+0800
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    1 Object 1

    AOE ID 52484
    NORAD ID 52484
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59218
    NORAD ID 59218
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3887 STARLINK-31421
    Time of Closest Approach 2026-10-13T23:17:36+0000
    Collision Probability (Pc) 9.306416E-7
    Conjunction Distance (km) 2.899 km
    Relative Speed (km/s) 7.225 km/s
    Conjunction Risk Parameters R (Radial): 1.203 | I (In-track): -2.322 | C (Cross-track): -1.249
    Collision Risk Index (CRI) 0.34
    X Position (km) -9.304 -11.943
    Position Y (km) -4651.173 -4651.988
    Position Z (km) 5005.064 5005.943
    Velocity X (km/s) 6.726 6.737
    Velocity Y (km/s) -2.664 2.633
    Velocity Z (km/s) -2.457 2.456

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3887 STARLINK-31421
    Semimajor Axis (a) 6840.186 km 6840.888 km
    Eccentricity (e) 0.000230 0.000139
    Inclination (i) 53.1612° 53.1594°
    RAAN 147.1090° 220.0867°
    Perigee Argument 94.0670° 97.6502°
    Mean Anomaly (M) 266.0596° 262.4659°
    Apogee 463.624 km 463.704 km
    Perigee 460.474 km 461.798 km
    Orbit Epoch 2026-10-13T05:36:24+0000 2026-10-13T02:41:00+0000

    STARLINK-3887 & STARLINK-31421 Collision Probability (Pc) Trend

    STARLINK-3887 & STARLINK-31421 Collision Probability (Pc) TrendNot Available

    STARLINK-3887 & STARLINK-31421 Miss Distance (Miss Distance) Trend

    STARLINK-3887 & STARLINK-31421 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3887Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31421Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3887Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31421Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3887

    No nearby objects data