Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.460162E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:12:16+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53291
    NORAD ID 53291
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64770
    NORAD ID 64770
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4166 STARLINK-34618
    Time of Closest Approach 2026-10-21T13:35:01+0000
    Collision Probability (Pc) 7.460162E-7
    Conjunction Distance (km) 2.835 km
    Relative Speed (km/s) 4.576 km/s
    Conjunction Risk Parameters R (Radial): 2.831 | I (In-track): -0.153 | C (Cross-track): 0.048
    Collision Risk Index (CRI) 0.32
    X Position (km) -3936.249 -3937.811
    Position Y (km) 1739.986 1740.852
    Position Z (km) -5321.101 -5323.303
    Velocity X (km/s) -4.568 -1.314
    Velocity Y (km/s) -5.934 -7.371
    Velocity Z (km/s) 1.439 -1.439

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4166 STARLINK-34618
    Semimajor Axis (a) 6837.855 km 6840.832 km
    Eccentricity (e) 0.000153 0.000166
    Inclination (i) 53.1557° 53.1562°
    RAAN 230.1723° 273.8660°
    Perigee Argument 90.8048° 82.1486°
    Mean Anomaly (M) 269.3131° 277.9706°
    Apogee 460.765 km 463.834 km
    Perigee 458.671 km 461.556 km
    Orbit Epoch 2026-10-20T06:40:15+0000 2026-10-20T08:20:00+0000

    STARLINK-4166 & STARLINK-34618 Collision Probability (Pc) Trend

    STARLINK-4166 & STARLINK-34618 Collision Probability (Pc) TrendNot Available

    STARLINK-4166 & STARLINK-34618 Miss Distance (Miss Distance) Trend

    STARLINK-4166 & STARLINK-34618 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4166Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34618Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4166Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34618Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4166

    No nearby objects data