Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.156663E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T16:45:34+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 54091
    NORAD ID 54091
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66204
    NORAD ID 66204
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5221 STARLINK-35490
    Time of Closest Approach 2026-10-31T03:34:52+0000
    Collision Probability (Pc) 1.156663E-6
    Conjunction Distance (km) 2.906 km
    Relative Speed (km/s) 10.69 km/s
    Conjunction Risk Parameters R (Radial): 2.897 | I (In-track): 0.164 | C (Cross-track): -0.154
    Collision Risk Index (CRI) 0.36
    X Position (km) 5431.564 5433.793
    Position Y (km) 1834.897 1835.887
    Position Z (km) 3716.701 3718.281
    Velocity X (km/s) -4.509 1.013
    Velocity Y (km/s) 4.24 6.104
    Velocity Z (km/s) 4.481 -4.48

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5221 STARLINK-35490
    Semimajor Axis (a) 6837.936 km 6840.919 km
    Eccentricity (e) 0.000131 0.000130
    Inclination (i) 53.1588° 53.1585°
    RAAN 1.6033° 241.3095°
    Perigee Argument 78.2887° 85.4788°
    Mean Anomaly (M) 173.1212° 226.8189°
    Apogee 460.693 km 463.673 km
    Perigee 458.905 km 461.891 km
    Orbit Epoch 2026-10-28T14:00:02+0000 2026-10-28T06:00:02+0000

    STARLINK-5221 & STARLINK-35490 Collision Probability (Pc) Trend

    STARLINK-5221 & STARLINK-35490 Collision Probability (Pc) TrendNot Available

    STARLINK-5221 & STARLINK-35490 Miss Distance (Miss Distance) Trend

    STARLINK-5221 & STARLINK-35490 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5221Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35490Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5221Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35490Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5221

    No nearby objects data