Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.714632E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T20:58:03+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 68683
    NORAD ID 68683
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-37304
    Time of Closest Approach 2026-09-05T20:48:15+0000
    Collision Probability (Pc) 1.714632E-6
    Conjunction Distance (km) 2.543 km
    Relative Speed (km/s) 14.961 km/s
    Conjunction Risk Parameters R (Radial): -1.728 | I (In-track): -0.381 | C (Cross-track): 1.826
    Collision Risk Index (CRI) 0.4
    X Position (km) -1491.5 -1492.872
    Position Y (km) 4082.265 4080.588
    Position Z (km) 5282.025 5280.694
    Velocity X (km/s) -0.548 3.418
    Velocity Y (km/s) 5.971 -4.907
    Velocity Z (km/s) -4.728 4.746

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-37304
    Semimajor Axis (a) 6849.095 km 6843.611 km
    Eccentricity (e) 0.003155 0.000126
    Inclination (i) 97.3327° 97.2874°
    RAAN 279.2982° 117.2957°
    Perigee Argument 56.1753° 122.8101°
    Mean Anomaly (M) 304.2485° 237.3264°
    Apogee 492.569 km 466.340 km
    Perigee 449.347 km 464.608 km
    Orbit Epoch 2026-09-04T01:54:42+0000 2026-09-04T02:17:54+0000

    CZ-4B R/B & STARLINK-37304 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-37304 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-37304 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-37304 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-37304Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37304Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data