Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.793493E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T16:29:45+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 29769
    NORAD ID 29769
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 64059
    NORAD ID 64059
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB TIANQI 17
    Time of Closest Approach 2026-09-05T11:03:21+0000
    Collision Probability (Pc) 1.793493E-6
    Conjunction Distance (km) 2.179 km
    Relative Speed (km/s) 9.691 km/s
    Conjunction Risk Parameters R (Radial): -1.222 | I (In-track): 1.355 | C (Cross-track): 1.189
    Collision Risk Index (CRI) 0.4
    X Position (km) 4410.234 4409.625
    Position Y (km) -3259.208 -3259.832
    Position Z (km) -4787.655 -4789.651
    Velocity X (km/s) 2.864 5.466
    Velocity Y (km/s) -4.038 4.598
    Velocity Z (km/s) 5.458 1.915

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB TIANQI 17
    Semimajor Axis (a) 7221.534 km 7274.785 km
    Eccentricity (e) 0.009314 0.000932
    Inclination (i) 99.0881° 44.9812°
    RAAN 315.0069° 26.9997°
    Perigee Argument 100.2442° 40.9069°
    Mean Anomaly (M) 260.9249° 319.2462°
    Apogee 910.658 km 903.429 km
    Perigee 776.136 km 889.867 km
    Orbit Epoch 2026-09-04T23:22:21+0000 2026-09-04T21:40:22+0000

    FENGYUN 1C DEB & TIANQI 17 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & TIANQI 17 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & TIANQI 17 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & TIANQI 17 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANQI 17Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    TIANQI 17Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data