Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.344028E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:03:28+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 21433
    NORAD ID 21433
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 60387
    NORAD ID 60387
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB QIANFAN-9
    Time of Closest Approach 2026-09-13T03:21:33+0000
    Collision Probability (Pc) 1.344028E-6
    Conjunction Distance (km) 2.907 km
    Relative Speed (km/s) 13.908 km/s
    Conjunction Risk Parameters R (Radial): 2.605 | I (In-track): 0.387 | C (Cross-track): -1.229
    Collision Risk Index (CRI) 0.38
    X Position (km) -158.705 -159.882
    Position Y (km) 2006.788 2006.441
    Position Z (km) -7189.368 -7186.733
    Velocity X (km/s) 4.139 0.07
    Velocity Y (km/s) 5.796 -7.023
    Velocity Z (km/s) 1.571 -1.973

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB QIANFAN-9
    Semimajor Axis (a) 7449.061 km 7446.640 km
    Eccentricity (e) 0.005909 0.001801
    Inclination (i) 99.7504° 88.9672°
    RAAN 53.9812° 271.0926°
    Perigee Argument 31.9219° 127.2519°
    Mean Anomaly (M) 25.1359° 233.0279°
    Apogee 1114.944 km 1081.917 km
    Perigee 1026.904 km 1055.089 km
    Orbit Epoch 2026-09-10T10:13:40+0000 2026-09-10T22:33:30+0000

    DELTA 1 DEB & QIANFAN-9 Collision Probability (Pc) Trend

    DELTA 1 DEB & QIANFAN-9 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & QIANFAN-9 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & QIANFAN-9 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-9Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-9Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data