Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.413911E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T14:02:34+0800
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    1 Object 1

    AOE ID 49123
    NORAD ID 49123
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 65074
    NORAD ID 65074
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-34780
    Time of Closest Approach 2026-10-29T15:08:35+0000
    Collision Probability (Pc) 1.413911E-6
    Conjunction Distance (km) 2.891 km
    Relative Speed (km/s) 15.011 km/s
    Conjunction Risk Parameters R (Radial): 2.219 | I (In-track): -0.346 | C (Cross-track): -1.819
    Collision Risk Index (CRI) 0.38
    X Position (km) -4909.753 -4911.163
    Position Y (km) -530.625 -532.641
    Position Z (km) -4745.398 -4746.916
    Velocity X (km/s) -5.33 5.022
    Velocity Y (km/s) 0.977 1.893
    Velocity Z (km/s) 5.419 -5.412

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-34780
    Semimajor Axis (a) 6914.100 km 6843.700 km
    Eccentricity (e) 0.010451 0.000100
    Inclination (i) 98.3514° 97.2876°
    RAAN 176.9790° 12.1196°
    Perigee Argument 323.9991° 22.8542°
    Mean Anomaly (M) 35.4226° 337.2745°
    Apogee 608.225 km 466.249 km
    Perigee 463.701 km 464.877 km
    Orbit Epoch 2026-10-28T15:28:53+0000 2026-10-28T11:32:39+0000

    CZ-4C R/B & STARLINK-34780 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-34780 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-34780 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-34780 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-34780Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34780Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data