Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.142775E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T03:04:54+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 58378
    NORAD ID 58378
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4685 STARLINK-30920
    Time of Closest Approach 2026-10-27T00:59:20+0000
    Collision Probability (Pc) 1.142775E-6
    Conjunction Distance (km) 2.566 km
    Relative Speed (km/s) 7.663 km/s
    Conjunction Risk Parameters R (Radial): -0.74 | I (In-track): -2.124 | C (Cross-track): -1.232
    Collision Risk Index (CRI) 0.36
    X Position (km) 3529.669 3530.926
    Position Y (km) 3163.317 3161.145
    Position Z (km) 4925.275 4924.741
    Velocity X (km/s) -2.351 -6.466
    Velocity Y (km/s) 6.765 3.078
    Velocity Z (km/s) -2.653 2.655

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4685 STARLINK-30920
    Semimajor Axis (a) 6840.953 km 6840.768 km
    Eccentricity (e) 0.000098 0.000117
    Inclination (i) 53.1533° 53.1591°
    RAAN 276.8122° 354.6743°
    Perigee Argument 307.0619° 316.8460°
    Mean Anomaly (M) 53.0293° 43.2451°
    Apogee 463.488 km 463.432 km
    Perigee 462.144 km 461.830 km
    Orbit Epoch 2026-10-26T05:43:39+0000 2026-10-26T04:23:20+0000

    STARLINK-4685 & STARLINK-30920 Collision Probability (Pc) Trend

    STARLINK-4685 & STARLINK-30920 Collision Probability (Pc) TrendNot Available

    STARLINK-4685 & STARLINK-30920 Miss Distance (Miss Distance) Trend

    STARLINK-4685 & STARLINK-30920 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4685Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30920Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4685Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30920Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4685

    No nearby objects data