Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.033423E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T21:20:27+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 69090
    NORAD ID 69090
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 69852
    NORAD ID 69852
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter QIANFAN-144 QIANFAN-223
    Time of Closest Approach 2026-10-25T21:46:24+0000
    Collision Probability (Pc) 2.033423E-6
    Conjunction Distance (km) 2.057 km
    Relative Speed (km/s) 9.59 km/s
    Conjunction Risk Parameters R (Radial): -0.254 | I (In-track): -1.533 | C (Cross-track): 1.348
    Collision Risk Index (CRI) 0.41
    X Position (km) 25.7 23.686
    Position Y (km) -171.648 -171.977
    Position Z (km) -7453.638 -7453.382
    Velocity X (km/s) 6.2 4.673
    Velocity Y (km/s) -3.855 5.61
    Velocity Z (km/s) 0.11 -0.115

    Orbital Parameters 国际轨道数据源

    Parameter QIANFAN-144 QIANFAN-223
    Semimajor Axis (a) 7446.630 km 7446.588 km
    Eccentricity (e) 0.000211 0.000183
    Inclination (i) 88.9847° 89.0149°
    RAAN 328.2880° 50.3820°
    Perigee Argument 85.4102° 105.8369°
    Mean Anomaly (M) 274.7289° 254.2983°
    Apogee 1070.063 km 1069.813 km
    Perigee 1066.923 km 1067.089 km
    Orbit Epoch 2026-10-24T05:19:55+0000 2026-10-24T07:07:07+0000

    QIANFAN-144 & QIANFAN-223 Collision Probability (Pc) Trend

    QIANFAN-144 & QIANFAN-223 Collision Probability (Pc) TrendNot Available

    QIANFAN-144 & QIANFAN-223 Miss Distance (Miss Distance) Trend

    QIANFAN-144 & QIANFAN-223 Miss Distance (Miss Distance) TrendNot Available

    QIANFAN-144Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-223Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    QIANFAN-144Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-223Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with QIANFAN-144

    No nearby objects data