Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.246702E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:40:11+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 57728
    NORAD ID 57728
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68421
    NORAD ID 68421
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter YAOGAN-39 01B VIREON-2
    Time of Closest Approach 2026-09-06T05:34:02+0000
    Collision Probability (Pc) 3.246702E-6
    Conjunction Distance (km) 1.875 km
    Relative Speed (km/s) 13.8 km/s
    Conjunction Risk Parameters R (Radial): 0.612 | I (In-track): -0.737 | C (Cross-track): 1.612
    Collision Risk Index (CRI) 0.45
    X Position (km) 5863.738 5864.761
    Position Y (km) 3194.434 3193.3
    Position Z (km) 1686.506 1687.593
    Velocity X (km/s) -3.962 2.119
    Velocity Y (km/s) 5.166 -0.006
    Velocity Z (km/s) 3.947 -7.308

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN-39 01B VIREON-2
    Semimajor Axis (a) 6893.389 km 6886.066 km
    Eccentricity (e) 0.000873 0.000175
    Inclination (i) 34.9951° 97.4599°
    RAAN 22.6183° 203.9082°
    Perigee Argument 62.1893° 54.0382°
    Mean Anomaly (M) 297.9704° 306.1015°
    Apogee 521.271 km 509.135 km
    Perigee 509.233 km 506.723 km
    Orbit Epoch 2026-09-03T19:00:42+0000 2026-09-03T10:27:11+0000

    YAOGAN-39 01B & VIREON-2 Collision Probability (Pc) Trend

    YAOGAN-39 01B & VIREON-2 Collision Probability (Pc) TrendNot Available

    YAOGAN-39 01B & VIREON-2 Miss Distance (Miss Distance) Trend

    YAOGAN-39 01B & VIREON-2 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN-39 01BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    VIREON-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN-39 01BCollision Probability Trend

    Object 1 Probability TrendNot Available

    VIREON-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN-39 01B

    No nearby objects data