Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.717394E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T19:21:53+0800
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    1 Object 1

    AOE ID 47937
    NORAD ID 47937
    Object Type UNKNOWN
    Country
    TBD TBD
    ← VS →

    2 Object 2

    AOE ID 53542
    NORAD ID 53542
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT F STARLINK-4489
    Time of Closest Approach 2026-10-30T17:49:52+0000
    Collision Probability (Pc) 1.717394E-6
    Conjunction Distance (km) 2.484 km
    Relative Speed (km/s) 13.977 km/s
    Conjunction Risk Parameters R (Radial): 1.446 | I (In-track): 0.823 | C (Cross-track): -1.844
    Collision Risk Index (CRI) 0.4
    X Position (km) -4618.691 -4618.41
    Position Y (km) -1405.135 -1406.788
    Position Z (km) 4835.452 4837.283
    Velocity X (km/s) 4.684 -0.847
    Velocity Y (km/s) 2.876 -7.037
    Velocity Z (km/s) 5.306 -2.848

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT F STARLINK-4489
    Semimajor Axis (a) 6839.232 km 6840.914 km
    Eccentricity (e) 0.000895 0.000099
    Inclination (i) 97.3747° 53.1618°
    RAAN 201.6287° 80.0422°
    Perigee Argument 349.0819° 80.9846°
    Mean Anomaly (M) 11.0228° 279.1268°
    Apogee 467.219 km 463.452 km
    Perigee 454.971 km 462.102 km
    Orbit Epoch 2026-10-27T23:55:18+0000 2026-10-27T15:50:46+0000

    OBJECT F & STARLINK-4489 Collision Probability (Pc) Trend

    OBJECT F & STARLINK-4489 Collision Probability (Pc) TrendNot Available

    OBJECT F & STARLINK-4489 Miss Distance (Miss Distance) Trend

    OBJECT F & STARLINK-4489 Miss Distance (Miss Distance) TrendNot Available

    OBJECT FMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4489Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT FCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4489Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT F

    No nearby objects data