Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    5.221001E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-03T09:30:22+0800
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    1 Object 1

    AOE ID 29794
    NORAD ID 29794
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 56727
    NORAD ID 56727
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 177
    Time of Closest Approach 2026-11-04T10:06:54+0000
    Collision Probability (Pc) 5.221001E-5
    Conjunction Distance (km) 0.825 km
    Relative Speed (km/s) 15.003 km/s
    Conjunction Risk Parameters R (Radial): 0.526 | I (In-track): -0.04 | C (Cross-track): 0.634
    Collision Risk Index (CRI) 0.69
    X Position (km) -831.071 -830.503
    Position Y (km) -7065.797 -7066.389
    Position Z (km) -454.705 -454.789
    Velocity X (km/s) -1.02 0.407
    Velocity Y (km/s) 0.588 -0.517
    Velocity Z (km/s) -7.444 7.449

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 177
    Semimajor Axis (a) 7238.495 km 7124.621 km
    Eccentricity (e) 0.015594 0.000469
    Inclination (i) 98.2390° 86.4463°
    RAAN 81.9092° 264.3655°
    Perigee Argument 187.7717° 117.8824°
    Mean Anomaly (M) 202.4503° 242.2852°
    Apogee 973.237 km 749.825 km
    Perigee 747.479 km 743.143 km
    Orbit Epoch 2026-11-02T07:59:25+0000 2026-11-02T09:53:24+0000

    FENGYUN 1C DEB & IRIDIUM 177 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 177 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 177 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 177 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 177Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 177Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data