Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.094739E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T16:41:54+0800
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    1 Object 1

    AOE ID 53868
    NORAD ID 53868
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60101
    NORAD ID 60101
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4789 STARLINK-31999
    Time of Closest Approach 2026-10-29T12:10:11+0000
    Collision Probability (Pc) 1.094739E-6
    Conjunction Distance (km) 3 km
    Relative Speed (km/s) 10.379 km/s
    Conjunction Risk Parameters R (Radial): 2.904 | I (In-track): 0.547 | C (Cross-track): 0.521
    Collision Risk Index (CRI) 0.36
    X Position (km) 2839.526 2840.079
    Position Y (km) 4810.055 4812.476
    Position Z (km) 3940.605 3942.288
    Velocity X (km/s) -3.303 -6.349
    Velocity Y (km/s) 5.431 0.27
    Velocity Z (km/s) -4.236 4.237

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4789 STARLINK-31999
    Semimajor Axis (a) 6840.827 km 6843.161 km
    Eccentricity (e) 0.000143 0.000408
    Inclination (i) 53.1576° 53.1582°
    RAAN 275.7000° 32.1226°
    Perigee Argument 87.2292° 333.1215°
    Mean Anomaly (M) 341.3090° 26.9575°
    Apogee 463.672 km 467.818 km
    Perigee 461.708 km 462.230 km
    Orbit Epoch 2026-10-28T14:00:02+0000 2026-10-28T12:30:24+0000

    STARLINK-4789 & STARLINK-31999 Collision Probability (Pc) Trend

    STARLINK-4789 & STARLINK-31999 Collision Probability (Pc) TrendNot Available

    STARLINK-4789 & STARLINK-31999 Miss Distance (Miss Distance) Trend

    STARLINK-4789 & STARLINK-31999 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4789Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31999Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4789Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31999Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4789

    No nearby objects data