Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.763787E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:03:00+0800
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    1 Object 1

    AOE ID 50159
    NORAD ID 50159
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54799
    NORAD ID 54799
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3297 STARLINK-5421
    Time of Closest Approach 2026-10-21T21:13:57+0000
    Collision Probability (Pc) 1.763787E-6
    Conjunction Distance (km) 2.268 km
    Relative Speed (km/s) 10.865 km/s
    Conjunction Risk Parameters R (Radial): -2.229 | I (In-track): -0.288 | C (Cross-track): -0.291
    Collision Risk Index (CRI) 0.4
    X Position (km) 811.432 812.102
    Position Y (km) -5786.089 -5787.918
    Position Z (km) -3561.608 -3562.769
    Velocity X (km/s) 5.698 4.913
    Velocity Y (km/s) -2.053 3.541
    Velocity Z (km/s) 4.641 -4.64

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3297 STARLINK-5421
    Semimajor Axis (a) 6837.876 km 6840.830 km
    Eccentricity (e) 0.000198 0.000154
    Inclination (i) 53.1574° 53.1579°
    RAAN 313.6820° 81.0291°
    Perigee Argument 84.5979° 87.2936°
    Mean Anomaly (M) 275.5249° 272.8242°
    Apogee 461.093 km 463.744 km
    Perigee 458.385 km 461.642 km
    Orbit Epoch 2026-10-20T01:39:59+0000 2026-10-19T16:41:28+0000

    STARLINK-3297 & STARLINK-5421 Collision Probability (Pc) Trend

    STARLINK-3297 & STARLINK-5421 Collision Probability (Pc) TrendNot Available

    STARLINK-3297 & STARLINK-5421 Miss Distance (Miss Distance) Trend

    STARLINK-3297 & STARLINK-5421 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3297Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5421Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3297Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5421Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3297

    No nearby objects data