Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.31321E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:52:20+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 57023
    NORAD ID 57023
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4490 OBJECT V
    Time of Closest Approach 2026-10-22T06:59:40+0000
    Collision Probability (Pc) 1.31321E-6
    Conjunction Distance (km) 2.744 km
    Relative Speed (km/s) 11.663 km/s
    Conjunction Risk Parameters R (Radial): -1.934 | I (In-track): -1.255 | C (Cross-track): 1.487
    Collision Risk Index (CRI) 0.37
    X Position (km) -2099.938 -2099.719
    Position Y (km) -3526.886 -3524.221
    Position Z (km) 5462.455 5461.841
    Velocity X (km/s) 6.389 -4.481
    Velocity Y (km/s) -4.181 -4.276
    Velocity Z (km/s) -0.243 -4.468

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4490 OBJECT V
    Semimajor Axis (a) 6840.882 km 6833.678 km
    Eccentricity (e) 0.000139 0.000473
    Inclination (i) 53.1570° 97.5042°
    RAAN 159.2227° 47.0226°
    Perigee Argument 94.7920° 358.7122°
    Mean Anomaly (M) 265.3241° 1.4109°
    Apogee 463.697 km 458.772 km
    Perigee 461.793 km 452.310 km
    Orbit Epoch 2026-10-19T08:14:51+0000 2026-10-20T06:00:19+0000

    STARLINK-4490 & OBJECT V Collision Probability (Pc) Trend

    STARLINK-4490 & OBJECT V Collision Probability (Pc) TrendNot Available

    STARLINK-4490 & OBJECT V Miss Distance (Miss Distance) Trend

    STARLINK-4490 & OBJECT V Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4490Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT VMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4490Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT VCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4490

    No nearby objects data