Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    9.127482E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:52:21+0800
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    1 Object 1

    AOE ID 53409
    NORAD ID 53409
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63368
    NORAD ID 63368
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4490 STARLINK-33578
    Time of Closest Approach 2026-10-22T06:52:56+0000
    Collision Probability (Pc) 9.127482E-5
    Conjunction Distance (km) 0.579 km
    Relative Speed (km/s) 7.207 km/s
    Conjunction Risk Parameters R (Radial): -0.099 | I (In-track): -0.505 | C (Cross-track): 0.265
    Collision Risk Index (CRI) 0.74
    X Position (km) -4385.846 -4385.974
    Position Y (km) -1540.694 -1540.135
    Position Z (km) 5009.131 5009.054
    Velocity X (km/s) 4.728 -0.263
    Velocity Y (km/s) -5.479 -7.232
    Velocity Z (km/s) 2.447 -2.447

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4490 STARLINK-33578
    Semimajor Axis (a) 6840.882 km 6840.807 km
    Eccentricity (e) 0.000139 0.000086
    Inclination (i) 53.1570° 53.1552°
    RAAN 159.2227° 83.3986°
    Perigee Argument 94.7920° 79.3751°
    Mean Anomaly (M) 265.3241° 280.7349°
    Apogee 463.697 km 463.260 km
    Perigee 461.793 km 462.080 km
    Orbit Epoch 2026-10-19T08:14:51+0000 2026-10-20T02:48:15+0000

    STARLINK-4490 & STARLINK-33578 Collision Probability (Pc) Trend

    STARLINK-4490 & STARLINK-33578 Collision Probability (Pc) TrendNot Available

    STARLINK-4490 & STARLINK-33578 Miss Distance (Miss Distance) Trend

    STARLINK-4490 & STARLINK-33578 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4490Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33578Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4490Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33578Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4490

    No nearby objects data