Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.361673E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T02:48:33+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 53974
    NORAD ID 53974
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4685 STARLINK-5159
    Time of Closest Approach 2026-10-27T06:17:13+0000
    Collision Probability (Pc) 3.361673E-5
    Conjunction Distance (km) 0.74 km
    Relative Speed (km/s) 4.754 km/s
    Conjunction Risk Parameters R (Radial): 0.737 | I (In-track): -0.059 | C (Cross-track): 0.017
    Collision Risk Index (CRI) 0.66
    X Position (km) -4038.021 -4037.61
    Position Y (km) 1539.372 1539.149
    Position Z (km) -5308.808 -5308.235
    Velocity X (km/s) -0.86 -4.305
    Velocity Y (km/s) -7.427 -6.113
    Velocity Z (km/s) -1.499 1.502

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4685 STARLINK-5159
    Semimajor Axis (a) 6840.953 km 6840.549 km
    Eccentricity (e) 0.000098 0.000168
    Inclination (i) 53.1533° 53.1613°
    RAAN 276.8122° 231.0083°
    Perigee Argument 307.0619° 238.8031°
    Mean Anomaly (M) 53.0293° 121.2807°
    Apogee 463.488 km 463.561 km
    Perigee 462.144 km 461.263 km
    Orbit Epoch 2026-10-26T05:43:39+0000 2026-10-26T05:36:20+0000

    STARLINK-4685 & STARLINK-5159 Collision Probability (Pc) Trend

    STARLINK-4685 & STARLINK-5159 Collision Probability (Pc) TrendNot Available

    STARLINK-4685 & STARLINK-5159 Miss Distance (Miss Distance) Trend

    STARLINK-4685 & STARLINK-5159 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4685Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5159Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4685Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5159Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4685

    No nearby objects data