Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.120761E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:34:12+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 57904
    NORAD ID 57904
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5598 STARLINK-30466
    Time of Closest Approach 2026-10-21T12:37:47+0000
    Collision Probability (Pc) 4.120761E-6
    Conjunction Distance (km) 1.637 km
    Relative Speed (km/s) 10.835 km/s
    Conjunction Risk Parameters R (Radial): 0.412 | I (In-track): 1.121 | C (Cross-track): -1.119
    Collision Risk Index (CRI) 0.47
    X Position (km) 2055.657 2057.036
    Position Y (km) 5172.236 5171.66
    Position Z (km) -4016.732 -4016.065
    Velocity X (km/s) -4.478 -5.675
    Velocity Y (km/s) -2.569 4.328
    Velocity Z (km/s) -5.601 2.668

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5598 STARLINK-30466
    Semimajor Axis (a) 6860.065 km 6861.197 km
    Eccentricity (e) 0.000339 0.000135
    Inclination (i) 70.0004° 43.0016°
    RAAN 236.4531° 128.5945°
    Perigee Argument 283.4313° 265.3435°
    Mean Anomaly (M) 116.3242° 94.7263°
    Apogee 484.253 km 483.987 km
    Perigee 479.603 km 482.133 km
    Orbit Epoch 2026-10-20T06:00:02+0000 2026-10-19T20:05:12+0000

    STARLINK-5598 & STARLINK-30466 Collision Probability (Pc) Trend

    STARLINK-5598 & STARLINK-30466 Collision Probability (Pc) TrendNot Available

    STARLINK-5598 & STARLINK-30466 Miss Distance (Miss Distance) Trend

    STARLINK-5598 & STARLINK-30466 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5598Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30466Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5598Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30466Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5598

    No nearby objects data