Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.903512E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T03:04:54+0800
    View CDM
    Download CDM 1.0

    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 2026-10-28T01:04:45+0000
    Collision Probability (Pc) 1.903512E-6
    Conjunction Distance (km) 1.54 km
    Relative Speed (km/s) 2.366 km/s
    Conjunction Risk Parameters R (Radial): 1.181 | I (In-track): 0.977 | C (Cross-track): 0.155
    Collision Risk Index (CRI) 0.41
    X Position (km) -4053.9 -4054.819
    Position Y (km) 919.25 918.444
    Position Z (km) -5438.723 -5439.66
    Velocity X (km/s) -0.752 -2.583
    Velocity Y (km/s) -7.554 -7.136
    Velocity Z (km/s) -0.716 0.722

    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