Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.280789E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T10:52:50+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52650
    NORAD ID 52650
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65698
    NORAD ID 65698
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3891 STARLINK-35090
    Time of Closest Approach 2026-10-21T21:54:40+0000
    Collision Probability (Pc) 1.280789E-6
    Conjunction Distance (km) 2.37 km
    Relative Speed (km/s) 7.348 km/s
    Conjunction Risk Parameters R (Radial): -0.021 | I (In-track): -2.078 | C (Cross-track): -1.136
    Collision Risk Index (CRI) 0.37
    X Position (km) -2088.087 -2085.971
    Position Y (km) -4194.415 -4195.48
    Position Z (km) -4991.884 -4991.903
    Velocity X (km/s) 4.789 7.175
    Velocity Y (km/s) -5.374 -0.579
    Velocity Z (km/s) 2.514 -2.515

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3891 STARLINK-35090
    Semimajor Axis (a) 6840.875 km 6840.831 km
    Eccentricity (e) 0.000126 0.000321
    Inclination (i) 53.1594° 53.1593°
    RAAN 306.5428° 22.9425°
    Perigee Argument 89.0971° 112.6370°
    Mean Anomaly (M) 271.0176° 247.4972°
    Apogee 463.601 km 464.892 km
    Perigee 461.875 km 460.496 km
    Orbit Epoch 2026-10-19T18:36:33+0000 2026-10-19T06:19:05+0000

    STARLINK-3891 & STARLINK-35090 Collision Probability (Pc) Trend

    STARLINK-3891 & STARLINK-35090 Collision Probability (Pc) TrendNot Available

    STARLINK-3891 & STARLINK-35090 Miss Distance (Miss Distance) Trend

    STARLINK-3891 & STARLINK-35090 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3891Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35090Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3891Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35090Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3891

    No nearby objects data