Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.859052E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:24:25+0800
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    1 Object 1

    AOE ID 53413
    NORAD ID 53413
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66109
    NORAD ID 66109
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4500 STARLINK-35545
    Time of Closest Approach 2026-10-21T01:52:52+0000
    Collision Probability (Pc) 5.859052E-6
    Conjunction Distance (km) 1.239 km
    Relative Speed (km/s) 4.734 km/s
    Conjunction Risk Parameters R (Radial): 1.061 | I (In-track): 0.606 | C (Cross-track): -0.202
    Collision Risk Index (CRI) 0.5
    X Position (km) 1784.489 1784.796
    Position Y (km) 3934.847 3933.976
    Position Z (km) -5311.973 -5311.147
    Velocity X (km/s) -7.358 -5.842
    Velocity Y (km/s) 1.322 4.666
    Velocity Z (km/s) -1.494 1.494

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4500 STARLINK-35545
    Semimajor Axis (a) 6842.144 km 6840.843 km
    Eccentricity (e) 0.000144 0.000115
    Inclination (i) 53.1596° 53.1593°
    RAAN 182.2914° 138.2006°
    Perigee Argument 100.1696° 86.3061°
    Mean Anomaly (M) 259.9469° 273.8073°
    Apogee 464.992 km 463.495 km
    Perigee 463.022 km 461.917 km
    Orbit Epoch 2026-10-20T06:00:27+0000 2026-10-19T22:04:23+0000

    STARLINK-4500 & STARLINK-35545 Collision Probability (Pc) Trend

    STARLINK-4500 & STARLINK-35545 Collision Probability (Pc) TrendNot Available

    STARLINK-4500 & STARLINK-35545 Miss Distance (Miss Distance) Trend

    STARLINK-4500 & STARLINK-35545 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4500Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35545Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4500Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35545Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4500

    No nearby objects data