Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.066803E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:01:46+0800
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    1 Object 1

    AOE ID 53745
    NORAD ID 53745
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60024
    NORAD ID 60024
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4656 STARLINK-31990
    Time of Closest Approach 2026-10-30T20:45:19+0000
    Collision Probability (Pc) 3.066803E-6
    Conjunction Distance (km) 1.852 km
    Relative Speed (km/s) 11.96 km/s
    Conjunction Risk Parameters R (Radial): 0.54 | I (In-track): 1.11 | C (Cross-track): 1.38
    Collision Risk Index (CRI) 0.45
    X Position (km) 1940.515 1938.977
    Position Y (km) 6294.85 6295.872
    Position Z (km) 1836.509 1836.644
    Velocity X (km/s) -4.067 -5.017
    Velocity Y (km/s) 2.943 -0.143
    Velocity Z (km/s) -5.758 5.758

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4656 STARLINK-31990
    Semimajor Axis (a) 6840.896 km 6840.855 km
    Eccentricity (e) 0.000132 0.000087
    Inclination (i) 53.1579° 53.1580°
    RAAN 278.7211° 75.7582°
    Perigee Argument 98.4867° 10.4502°
    Mean Anomaly (M) 326.8014° 349.6518°
    Apogee 463.661 km 463.315 km
    Perigee 461.857 km 462.121 km
    Orbit Epoch 2026-10-27T22:00:02+0000 2026-10-27T16:04:14+0000

    STARLINK-4656 & STARLINK-31990 Collision Probability (Pc) Trend

    STARLINK-4656 & STARLINK-31990 Collision Probability (Pc) TrendNot Available

    STARLINK-4656 & STARLINK-31990 Miss Distance (Miss Distance) Trend

    STARLINK-4656 & STARLINK-31990 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4656Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31990Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4656Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31990Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4656

    No nearby objects data