Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.18612E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:51:43+0800
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    1 Object 1

    AOE ID 55421
    NORAD ID 55421
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58632
    NORAD ID 58632
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5598 STARLINK-31081
    Time of Closest Approach 2026-10-20T23:52:25+0000
    Collision Probability (Pc) 6.18612E-7
    Conjunction Distance (km) 2.99 km
    Relative Speed (km/s) 3.581 km/s
    Conjunction Risk Parameters R (Radial): 1.444 | I (In-track): 2.546 | C (Cross-track): -0.614
    Collision Risk Index (CRI) 0.31
    X Position (km) 4149.389 4149.55
    Position Y (km) 5430.848 5428.669
    Position Z (km) 614.248 616.288
    Velocity X (km/s) -1.686 -4.162
    Velocity Y (km/s) 2.103 3.773
    Velocity Z (km/s) -7.132 -5.157

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5598 STARLINK-31081
    Semimajor Axis (a) 6861.448 km 6861.198 km
    Eccentricity (e) 0.000295 0.000133
    Inclination (i) 70.0007° 43.0041°
    RAAN 237.5563° 247.9414°
    Perigee Argument 254.1968° 277.9971°
    Mean Anomaly (M) 15.3502° 82.0730°
    Apogee 485.336 km 483.975 km
    Perigee 481.286 km 482.147 km
    Orbit Epoch 2026-10-19T20:00:04+0000 2026-10-19T06:19:18+0000

    STARLINK-5598 & STARLINK-31081 Collision Probability (Pc) Trend

    STARLINK-5598 & STARLINK-31081 Collision Probability (Pc) TrendNot Available

    STARLINK-5598 & STARLINK-31081 Miss Distance (Miss Distance) Trend

    STARLINK-5598 & STARLINK-31081 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5598Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31081Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5598Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31081Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5598

    No nearby objects data