Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.240186E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T03:04:55+0800
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    1 Object 1

    AOE ID 53709
    NORAD ID 53709
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66210
    NORAD ID 66210
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4685 STARLINK-35740
    Time of Closest Approach 2026-10-28T09:38:58+0000
    Collision Probability (Pc) 1.240186E-6
    Conjunction Distance (km) 2.086 km
    Relative Speed (km/s) 4.433 km/s
    Conjunction Risk Parameters R (Radial): -1.576 | I (In-track): -1.307 | C (Cross-track): 0.391
    Collision Risk Index (CRI) 0.37
    X Position (km) 3897.201 3895.739
    Position Y (km) -1779.021 -1779.854
    Position Z (km) 5325.114 5323.882
    Velocity X (km/s) 1.465 4.61
    Velocity Y (km/s) 7.366 5.931
    Velocity Z (km/s) 1.386 -1.388

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4685 STARLINK-35740
    Semimajor Axis (a) 6840.953 km 6840.851 km
    Eccentricity (e) 0.000098 0.000112
    Inclination (i) 53.1533° 53.1581°
    RAAN 276.8122° 234.3279°
    Perigee Argument 307.0619° 100.6356°
    Mean Anomaly (M) 53.0293° 259.4773°
    Apogee 463.488 km 463.480 km
    Perigee 462.144 km 461.948 km
    Orbit Epoch 2026-10-26T05:43:39+0000 2026-10-26T05:37:01+0000

    STARLINK-4685 & STARLINK-35740 Collision Probability (Pc) Trend

    STARLINK-4685 & STARLINK-35740 Collision Probability (Pc) TrendNot Available

    STARLINK-4685 & STARLINK-35740 Miss Distance (Miss Distance) Trend

    STARLINK-4685 & STARLINK-35740 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4685Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35740Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4685Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35740Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4685

    No nearby objects data