Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.754975E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-21T03:43:40+0800
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    1 Object 1

    AOE ID 31025
    NORAD ID 31025
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 56163
    NORAD ID 56163
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB CHECKMATE 5
    Time of Closest Approach 2026-09-22T03:55:20+0000
    Collision Probability (Pc) 6.754975E-5
    Conjunction Distance (km) 0.696 km
    Relative Speed (km/s) 10.142 km/s
    Conjunction Risk Parameters R (Radial): 0.644 | I (In-track): 0.189 | C (Cross-track): -0.186
    Collision Risk Index (CRI) 0.72
    X Position (km) -671.32 -671.153
    Position Y (km) 1477.889 1477.524
    Position Z (km) 7130.884 7130.316
    Velocity X (km/s) 2.316 -6.851
    Velocity Y (km/s) 6.835 2.497
    Velocity Z (km/s) -1.214 -1.157

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB CHECKMATE 5
    Semimajor Axis (a) 7199.370 km 7324.356 km
    Eccentricity (e) 0.017003 0.000736
    Inclination (i) 98.6036° 81.0043°
    RAAN 249.8387° 340.4254°
    Perigee Argument 280.2178° 69.2251°
    Mean Anomaly (M) 77.9863° 290.9694°
    Apogee 943.647 km 951.613 km
    Perigee 698.819 km 940.825 km
    Orbit Epoch 2026-09-19T04:28:49+0000 2026-09-20T04:38:01+0000

    FENGYUN 1C DEB & CHECKMATE 5 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & CHECKMATE 5 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & CHECKMATE 5 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & CHECKMATE 5 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CHECKMATE 5Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    CHECKMATE 5Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data