Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.858039E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T09:21:48+0800
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    1 Object 1

    AOE ID 53670
    NORAD ID 53670
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58807
    NORAD ID 58807
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4459 STARLINK-31163
    Time of Closest Approach 2026-10-21T06:08:40+0000
    Collision Probability (Pc) 4.858039E-6
    Conjunction Distance (km) 1.645 km
    Relative Speed (km/s) 14.196 km/s
    Conjunction Risk Parameters R (Radial): 1.619 | I (In-track): -0.099 | C (Cross-track): -0.27
    Collision Risk Index (CRI) 0.49
    X Position (km) 6393.235 6394.672
    Position Y (km) -771.823 -772.253
    Position Z (km) 2316.825 2317.5
    Velocity X (km/s) 2.43 -0.91
    Velocity Y (km/s) -1.329 6.087
    Velocity Z (km/s) -7.114 4.52

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4459 STARLINK-31163
    Semimajor Axis (a) 6843.693 km 6852.199 km
    Eccentricity (e) 0.000188 0.000417
    Inclination (i) 97.2848° 43.0009°
    RAAN 167.5555° 347.8439°
    Perigee Argument 87.9941° 16.2355°
    Mean Anomaly (M) 272.1516° 343.8631°
    Apogee 466.840 km 476.922 km
    Perigee 464.272 km 471.202 km
    Orbit Epoch 2026-10-18T06:58:26+0000 2026-10-18T04:24:43+0000

    STARLINK-4459 & STARLINK-31163 Collision Probability (Pc) Trend

    STARLINK-4459 & STARLINK-31163 Collision Probability (Pc) TrendNot Available

    STARLINK-4459 & STARLINK-31163 Miss Distance (Miss Distance) Trend

    STARLINK-4459 & STARLINK-31163 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4459Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31163Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4459Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31163Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4459

    No nearby objects data