Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.282309E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T17:48:41+0800
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    1 Object 1

    AOE ID 37181
    NORAD ID 37181
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 63713
    NORAD ID 63713
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-33773
    Time of Closest Approach 2026-09-05T10:50:02+0000
    Collision Probability (Pc) 7.282309E-6
    Conjunction Distance (km) 1.462 km
    Relative Speed (km/s) 14.722 km/s
    Conjunction Risk Parameters R (Radial): -0.817 | I (In-track): -0.337 | C (Cross-track): 1.164
    Collision Risk Index (CRI) 0.52
    X Position (km) -3093.213 -3094.635
    Position Y (km) 5645.264 5645.547
    Position Z (km) 2329.972 2329.797
    Velocity X (km/s) -0.265 -3.301
    Velocity Y (km/s) 2.774 -4.101
    Velocity Z (km/s) -7.13 5.527

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-33773
    Semimajor Axis (a) 6886.948 km 6848.836 km
    Eccentricity (e) 0.007123 0.000130
    Inclination (i) 97.7767° 53.1583°
    RAAN 294.5662° 112.1245°
    Perigee Argument 197.2519° 106.4397°
    Mean Anomaly (M) 162.6293° 253.6748°
    Apogee 557.864 km 471.591 km
    Perigee 459.758 km 469.807 km
    Orbit Epoch 2026-09-04T04:05:29+0000 2026-09-03T11:44:43+0000

    CZ-4B R/B & STARLINK-33773 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-33773 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-33773 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-33773 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-33773Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33773Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data