Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.508112E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T19:07:55+0800
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    1 Object 1

    AOE ID 38039
    NORAD ID 38039
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 69451
    NORAD ID 69451
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-37578
    Time of Closest Approach 2026-09-07T22:18:28+0000
    Collision Probability (Pc) 4.508112E-6
    Conjunction Distance (km) 1.665 km
    Relative Speed (km/s) 13.426 km/s
    Conjunction Risk Parameters R (Radial): 1.272 | I (In-track): -0.52 | C (Cross-track): -0.939
    Collision Risk Index (CRI) 0.48
    X Position (km) 1483.925 1483.264
    Position Y (km) -4078.001 -4078.507
    Position Z (km) 5276.724 5278.166
    Velocity X (km/s) 0.318 6.117
    Velocity Y (km/s) -6.069 4.29
    Velocity Z (km/s) -4.679 1.591

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-37578
    Semimajor Axis (a) 6894.343 km 6840.755 km
    Eccentricity (e) 0.012287 0.000168
    Inclination (i) 98.4590° 53.1586°
    RAAN 96.4552° 237.0790°
    Perigee Argument 90.4445° 132.8534°
    Mean Anomaly (M) 271.0865° 227.2609°
    Apogee 600.914 km 463.764 km
    Perigee 431.498 km 461.472 km
    Orbit Epoch 2026-09-05T03:14:49+0000 2026-09-05T04:19:46+0000

    CZ-4B R/B & STARLINK-37578 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-37578 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-37578 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-37578 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-37578Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37578Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data