Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.438234E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T18:27:48+0800
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    1 Object 1

    AOE ID 28415
    NORAD ID 28415
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 63678
    NORAD ID 63678
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-33861
    Time of Closest Approach 2026-09-06T14:13:08+0000
    Collision Probability (Pc) 3.438234E-6
    Conjunction Distance (km) 1.852 km
    Relative Speed (km/s) 14.28 km/s
    Conjunction Risk Parameters R (Radial): -1.771 | I (In-track): 0.183 | C (Cross-track): 0.505
    Collision Risk Index (CRI) 0.46
    X Position (km) -1556.241 -1556.315
    Position Y (km) 6510.4 6508.661
    Position Z (km) 1505.23 1504.601
    Velocity X (km/s) 0.577 -5.3
    Velocity Y (km/s) 1.872 -2.411
    Velocity Z (km/s) -7.362 4.926

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-33861
    Semimajor Axis (a) 6849.069 km 6861.157 km
    Eccentricity (e) 0.003148 0.000186
    Inclination (i) 97.3330° 43.0028°
    RAAN 280.2676° 98.3731°
    Perigee Argument 52.8784° 269.3559°
    Mean Anomaly (M) 307.5326° 90.7079°
    Apogee 492.493 km 484.299 km
    Perigee 449.371 km 481.741 km
    Orbit Epoch 2026-09-05T01:25:52+0000 2026-09-05T00:28:32+0000

    CZ-4B R/B & STARLINK-33861 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-33861 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-33861 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-33861 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-33861Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33861Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data