Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.351073E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T11:29:20+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53609
    NORAD ID 53609
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65753
    NORAD ID 65753
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4660 STARLINK-34894
    Time of Closest Approach 2026-10-21T06:03:26+0000
    Collision Probability (Pc) 4.351073E-6
    Conjunction Distance (km) 1.497 km
    Relative Speed (km/s) 7.73 km/s
    Conjunction Risk Parameters R (Radial): 0.52 | I (In-track): 1.211 | C (Cross-track): 0.712
    Collision Risk Index (CRI) 0.48
    X Position (km) -2872.933 -2873.835
    Position Y (km) -3799.778 -3798.643
    Position Z (km) -4917.51 -4917.137
    Velocity X (km/s) 3.569 6.916
    Velocity Y (km/s) -6.178 -1.753
    Velocity Z (km/s) 2.691 -2.691

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4660 STARLINK-34894
    Semimajor Axis (a) 6840.903 km 6840.863 km
    Eccentricity (e) 0.000148 0.000190
    Inclination (i) 53.1597° 53.1604°
    RAAN 290.8728° 11.5272°
    Perigee Argument 88.9204° 115.0491°
    Mean Anomaly (M) 271.1968° 245.0710°
    Apogee 463.776 km 464.030 km
    Perigee 461.756 km 461.422 km
    Orbit Epoch 2026-10-19T16:48:59+0000 2026-10-19T06:06:10+0000

    STARLINK-4660 & STARLINK-34894 Collision Probability (Pc) Trend

    STARLINK-4660 & STARLINK-34894 Collision Probability (Pc) TrendNot Available

    STARLINK-4660 & STARLINK-34894 Miss Distance (Miss Distance) Trend

    STARLINK-4660 & STARLINK-34894 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4660Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34894Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4660Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34894Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4660

    No nearby objects data