Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.395264E-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 53964
    NORAD ID 53964
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4685 STARLINK-4633
    Time of Closest Approach 2026-10-27T21:10:15+0000
    Collision Probability (Pc) 1.395264E-6
    Conjunction Distance (km) 1.721 km
    Relative Speed (km/s) 2.37 km/s
    Conjunction Risk Parameters R (Radial): -1.715 | I (In-track): -0.134 | C (Cross-track): 0.021
    Collision Risk Index (CRI) 0.38
    X Position (km) 4059.27 4058.223
    Position Y (km) -863.335 -863.251
    Position Z (km) 5430.029 5428.666
    Velocity X (km/s) 0.652 2.495
    Velocity Y (km/s) 7.576 7.184
    Velocity Z (km/s) 0.716 -0.721

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4685 STARLINK-4633
    Semimajor Axis (a) 6840.953 km 6840.719 km
    Eccentricity (e) 0.000098 0.000158
    Inclination (i) 53.1533° 53.1607°
    RAAN 276.8122° 254.4762°
    Perigee Argument 307.0619° 70.8057°
    Mean Anomaly (M) 53.0293° 289.3116°
    Apogee 463.488 km 463.662 km
    Perigee 462.144 km 461.502 km
    Orbit Epoch 2026-10-26T05:43:39+0000 2026-10-26T05:40:16+0000

    STARLINK-4685 & STARLINK-4633 Collision Probability (Pc) Trend

    STARLINK-4685 & STARLINK-4633 Collision Probability (Pc) TrendNot Available

    STARLINK-4685 & STARLINK-4633 Miss Distance (Miss Distance) Trend

    STARLINK-4685 & STARLINK-4633 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4685Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4633Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4685Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4633Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4685

    No nearby objects data