Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.542105E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:46:32+0800
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    1 Object 1

    AOE ID 53426
    NORAD ID 53426
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63378
    NORAD ID 63378
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4558 STARLINK-33640
    Time of Closest Approach 2026-10-21T18:15:20+0000
    Collision Probability (Pc) 9.542105E-7
    Conjunction Distance (km) 2.773 km
    Relative Speed (km/s) 6.823 km/s
    Conjunction Risk Parameters R (Radial): -0.561 | I (In-track): -2.428 | C (Cross-track): -1.213
    Collision Risk Index (CRI) 0.35
    X Position (km) 4208.811 4209.55
    Position Y (km) 1833.955 1831.316
    Position Z (km) -5078.787 -5078.37
    Velocity X (km/s) -5.043 -0.402
    Velocity Y (km/s) 5.242 7.263
    Velocity Z (km/s) -2.288 2.287

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4558 STARLINK-33640
    Semimajor Axis (a) 6840.895 km 6840.832 km
    Eccentricity (e) 0.000114 0.000073
    Inclination (i) 53.1594° 53.1577°
    RAAN 160.2067° 91.6784°
    Perigee Argument 81.5555° 90.6990°
    Mean Anomaly (M) 278.5577° 269.4097°
    Apogee 463.540 km 463.196 km
    Perigee 461.976 km 462.194 km
    Orbit Epoch 2026-10-19T01:05:08+0000 2026-10-19T04:01:23+0000

    STARLINK-4558 & STARLINK-33640 Collision Probability (Pc) Trend

    STARLINK-4558 & STARLINK-33640 Collision Probability (Pc) TrendNot Available

    STARLINK-4558 & STARLINK-33640 Miss Distance (Miss Distance) Trend

    STARLINK-4558 & STARLINK-33640 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4558Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33640Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4558Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33640Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4558

    No nearby objects data