Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.217101E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:05:25+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 38039
    NORAD ID 38039
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 47355
    NORAD ID 47355
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-2047
    Time of Closest Approach 2026-10-29T23:54:51+0000
    Collision Probability (Pc) 2.217101E-6
    Conjunction Distance (km) 2.216 km
    Relative Speed (km/s) 14.57 km/s
    Conjunction Risk Parameters R (Radial): -0.856 | I (In-track): -0.622 | C (Cross-track): 1.946
    Collision Risk Index (CRI) 0.42
    X Position (km) 5124.709 5125.751
    Position Y (km) -2699.422 -2697.92
    Position Z (km) -3653.902 -3655.154
    Velocity X (km/s) -4.229 5.058
    Velocity Y (km/s) 0.725 3.449
    Velocity Z (km/s) -6.339 4.552

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-2047
    Semimajor Axis (a) 6893.276 km 6848.903 km
    Eccentricity (e) 0.011936 0.000501
    Inclination (i) 98.4492° 53.1631°
    RAAN 154.2521° 13.1979°
    Perigee Argument 274.9754° 315.6614°
    Mean Anomaly (M) 83.7859° 44.3985°
    Apogee 597.421 km 474.201 km
    Perigee 432.857 km 467.331 km
    Orbit Epoch 2026-10-26T23:43:45+0000 2026-10-27T06:19:30+0000

    CZ-4B R/B & STARLINK-2047 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-2047 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-2047 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-2047 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2047Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2047Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data