Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.656382E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T06:45:54+0800
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    1 Object 1

    AOE ID 44531
    NORAD ID 44531
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    Name PRETTY
    AOE ID 58023
    NORAD ID 58023
    Object Type PAYLOAD
    Country
    AT AT

    Conjunction Constraints

    Parameter CZ-4B R/B PRETTY
    Time of Closest Approach 2026-10-14T04:05:15+0000
    Collision Probability (Pc) 9.656382E-7
    Conjunction Distance (km) 2.344 km
    Relative Speed (km/s) 4.319 km/s
    Conjunction Risk Parameters R (Radial): 1.988 | I (In-track): -1.201 | C (Cross-track): 0.315
    Collision Risk Index (CRI) 0.35
    X Position (km) 357.905 356.782
    Position Y (km) 978.712 979.184
    Position Z (km) -6795.129 -6797.131
    Velocity X (km/s) 7.004 7.48
    Velocity Y (km/s) -2.999 1.231
    Velocity Z (km/s) -0.158 0.571

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B PRETTY
    Semimajor Axis (a) 6898.035 km 6868.833 km
    Eccentricity (e) 0.013101 0.000165
    Inclination (i) 98.6990° 97.5630°
    RAAN 333.1862° 6.8854°
    Perigee Argument 208.7637° 41.6477°
    Mean Anomaly (M) 150.6325° 318.4885°
    Apogee 610.270 km 491.828 km
    Perigee 429.526 km 489.564 km
    Orbit Epoch 2026-10-11T03:35:30+0000 2026-10-11T04:01:32+0000

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

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

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

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

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

    Object 1 Miss Distance TrendNot Available

    PRETTYMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    PRETTYCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data