Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.03208E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:30:50+0800
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    1 Object 1

    AOE ID 53003
    NORAD ID 53003
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55410
    NORAD ID 55410
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4255 STARLINK-5633
    Time of Closest Approach 2026-10-21T10:57:56+0000
    Collision Probability (Pc) 4.03208E-6
    Conjunction Distance (km) 1.618 km
    Relative Speed (km/s) 9.941 km/s
    Conjunction Risk Parameters R (Radial): 0.533 | I (In-track): -1.162 | C (Cross-track): 0.992
    Collision Risk Index (CRI) 0.47
    X Position (km) 934.126 935.696
    Position Y (km) 4363.779 4364.153
    Position Z (km) -5192.215 -5192.32
    Velocity X (km/s) -6.388 -4.944
    Velocity Y (km/s) 3.681 -3.974
    Velocity Z (km/s) 1.945 -4.231

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4255 STARLINK-5633
    Semimajor Axis (a) 6840.875 km 6844.159 km
    Eccentricity (e) 0.000135 0.000349
    Inclination (i) 53.1569° 70.0005°
    RAAN 150.1680° 238.7009°
    Perigee Argument 93.2735° 265.8453°
    Mean Anomaly (M) 266.8422° 28.0563°
    Apogee 463.660 km 468.412 km
    Perigee 461.816 km 463.632 km
    Orbit Epoch 2026-10-18T23:52:21+0000 2026-10-19T06:00:01+0000

    STARLINK-4255 & STARLINK-5633 Collision Probability (Pc) Trend

    STARLINK-4255 & STARLINK-5633 Collision Probability (Pc) TrendNot Available

    STARLINK-4255 & STARLINK-5633 Miss Distance (Miss Distance) Trend

    STARLINK-4255 & STARLINK-5633 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4255Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5633Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4255Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5633Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4255

    No nearby objects data