Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.405923E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T20:29:46+0800
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    1 Object 1

    AOE ID 37441
    NORAD ID 37441
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 57792
    NORAD ID 57792
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB TIANQI 21
    Time of Closest Approach 2026-11-01T14:00:17+0000
    Collision Probability (Pc) 3.405923E-6
    Conjunction Distance (km) 1.865 km
    Relative Speed (km/s) 14.522 km/s
    Conjunction Risk Parameters R (Radial): 1.422 | I (In-track): -0.308 | C (Cross-track): 1.168
    Collision Risk Index (CRI) 0.46
    X Position (km) -2992.648 -2992.234
    Position Y (km) 6549.673 6551.421
    Position Z (km) -54.236 -54.736
    Velocity X (km/s) 1.088 -4.335
    Velocity Y (km/s) 0.535 -2.018
    Velocity Z (km/s) 7.531 -5.696

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB TIANQI 21
    Semimajor Axis (a) 7582.897 km 7192.747 km
    Eccentricity (e) 0.050738 0.001328
    Inclination (i) 99.1463° 49.9726°
    RAAN 111.9780° 305.5612°
    Perigee Argument 8.8888° 4.6774°
    Mean Anomaly (M) 352.0810° 355.4260°
    Apogee 1589.498 km 824.162 km
    Perigee 820.022 km 805.058 km
    Orbit Epoch 2026-10-29T16:36:34+0000 2026-10-29T21:07:21+0000

    FENGYUN 1C DEB & TIANQI 21 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & TIANQI 21 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & TIANQI 21 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & TIANQI 21 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANQI 21Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    TIANQI 21Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data