Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.436179E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:53:19+0800
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    1 Object 1

    AOE ID 40337
    NORAD ID 40337
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 65744
    NORAD ID 65744
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-35173
    Time of Closest Approach 2026-09-04T08:28:28+0000
    Collision Probability (Pc) 1.436179E-5
    Conjunction Distance (km) 1.182 km
    Relative Speed (km/s) 13.671 km/s
    Conjunction Risk Parameters R (Radial): 0.421 | I (In-track): 0.512 | C (Cross-track): -0.978
    Collision Risk Index (CRI) 0.58
    X Position (km) 4204.06 4204.085
    Position Y (km) -1490.863 -1489.983
    Position Z (km) 5176.003 5176.79
    Velocity X (km/s) -5.959 4.499
    Velocity Y (km/s) 0.273 5.853
    Velocity Z (km/s) 4.848 -1.964

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-35173
    Semimajor Axis (a) 6926.525 km 6840.832 km
    Eccentricity (e) 0.014135 0.000130
    Inclination (i) 98.4670° 53.1577°
    RAAN 349.7618° 225.6297°
    Perigee Argument 76.7533° 92.3311°
    Mean Anomaly (M) 284.9414° 267.7841°
    Apogee 646.294 km 463.587 km
    Perigee 450.482 km 461.803 km
    Orbit Epoch 2026-09-03T17:54:22+0000 2026-09-03T08:33:16+0000

    CZ-4B R/B & STARLINK-35173 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-35173 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-35173 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-35173 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-35173Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35173Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data