Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.384122E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T09:20:26+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 30280
    NORAD ID 30280
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 61558
    NORAD ID 61558
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-25
    Time of Closest Approach 2026-09-10T01:44:11+0000
    Collision Probability (Pc) 3.384122E-6
    Conjunction Distance (km) 1.876 km
    Relative Speed (km/s) 14.74 km/s
    Conjunction Risk Parameters R (Radial): 1.874 | I (In-track): -0.008 | C (Cross-track): -0.082
    Collision Risk Index (CRI) 0.46
    X Position (km) 3379.688 3378.881
    Position Y (km) 3545.376 3544.41
    Position Z (km) -5362.386 -5360.995
    Velocity X (km/s) -2.486 3.631
    Velocity Y (km/s) -5.045 4.092
    Velocity Z (km/s) -4.831 4.986

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-25
    Semimajor Axis (a) 7276.985 km 7250.804 km
    Eccentricity (e) 0.007923 0.001173
    Inclination (i) 98.7975° 88.9822°
    RAAN 234.5390° 47.5399°
    Perigee Argument 301.9130° 202.2971°
    Mean Anomaly (M) 214.1544° 157.7703°
    Apogee 956.505 km 881.175 km
    Perigee 841.191 km 864.159 km
    Orbit Epoch 2026-09-08T09:53:48+0000 2026-09-09T14:00:27+0000

    FENGYUN 1C DEB & QIANFAN-25 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-25 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-25 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-25 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-25Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-25Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data