Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.376325E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:41:41+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 57139
    NORAD ID 57139
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57530
    NORAD ID 57530
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5355 STARLINK-30270
    Time of Closest Approach 2026-10-21T02:40:01+0000
    Collision Probability (Pc) 3.376325E-6
    Conjunction Distance (km) 1.631 km
    Relative Speed (km/s) 7.865 km/s
    Conjunction Risk Parameters R (Radial): -0.612 | I (In-track): 1.295 | C (Cross-track): 0.779
    Collision Risk Index (CRI) 0.46
    X Position (km) 5119.078 5120.27
    Position Y (km) 2851.429 2850.363
    Position Z (km) -3571.89 -3572.208
    Velocity X (km/s) -1.389 -4.962
    Velocity Y (km/s) 6.698 4.708
    Velocity Z (km/s) 3.359 -3.358

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5355 STARLINK-30270
    Semimajor Axis (a) 6861.195 km 6861.155 km
    Eccentricity (e) 0.000231 0.000144
    Inclination (i) 43.0028° 43.0000°
    RAAN 79.5224° 179.5681°
    Perigee Argument 283.0109° 265.2293°
    Mean Anomaly (M) 77.0484° 94.8393°
    Apogee 484.647 km 484.009 km
    Perigee 481.469 km 482.027 km
    Orbit Epoch 2026-10-19T10:04:58+0000 2026-10-19T02:35:21+0000

    STARLINK-5355 & STARLINK-30270 Collision Probability (Pc) Trend

    STARLINK-5355 & STARLINK-30270 Collision Probability (Pc) TrendNot Available

    STARLINK-5355 & STARLINK-30270 Miss Distance (Miss Distance) Trend

    STARLINK-5355 & STARLINK-30270 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5355Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30270Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5355Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30270Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5355

    No nearby objects data