Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.311736E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T09:57:30+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 57986
    NORAD ID 57986
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

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

    Conjunction Constraints

    Parameter YAOGAN-39 03A PRETTY
    Time of Closest Approach 2026-10-13T04:59:10+0000
    Collision Probability (Pc) 1.311736E-6
    Conjunction Distance (km) 2.842 km
    Relative Speed (km/s) 12.665 km/s
    Conjunction Risk Parameters R (Radial): 2.058 | I (In-track): 1.102 | C (Cross-track): -1.62
    Collision Risk Index (CRI) 0.37
    X Position (km) 5768.905 5767.998
    Position Y (km) 411.647 410.151
    Position Z (km) 3703.615 3701.377
    Velocity X (km/s) 0.421 -3.972
    Velocity Y (km/s) 7.465 -1.476
    Velocity Z (km/s) -1.485 6.335

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN-39 03A PRETTY
    Semimajor Axis (a) 6874.785 km 6868.833 km
    Eccentricity (e) 0.000298 0.000165
    Inclination (i) 35.0010° 97.5630°
    RAAN 262.3888° 6.8854°
    Perigee Argument 159.1467° 41.6477°
    Mean Anomaly (M) 200.9370° 318.4885°
    Apogee 498.696 km 491.828 km
    Perigee 494.600 km 489.564 km
    Orbit Epoch 2026-10-11T06:53:04+0000 2026-10-11T04:01:32+0000

    YAOGAN-39 03A & PRETTY Collision Probability (Pc) Trend

    YAOGAN-39 03A & PRETTY Collision Probability (Pc) TrendNot Available

    YAOGAN-39 03A & PRETTY Miss Distance (Miss Distance) Trend

    YAOGAN-39 03A & PRETTY Miss Distance (Miss Distance) TrendNot Available

    YAOGAN-39 03AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PRETTYMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN-39 03ACollision Probability Trend

    Object 1 Probability TrendNot Available

    PRETTYCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN-39 03A

    No nearby objects data