Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.959871E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-03T10:21:25+0800
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    1 Object 1

    AOE ID 31171
    NORAD ID 31171
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 39088
    NORAD ID 39088
    Object Type PAYLOAD
    Country
    CA CA

    Conjunction Constraints

    Parameter FENGYUN 1C DEB SAPPHIRE
    Time of Closest Approach 2026-11-05T09:04:51+0000
    Collision Probability (Pc) 4.959871E-6
    Conjunction Distance (km) 1.64 km
    Relative Speed (km/s) 14.467 km/s
    Conjunction Risk Parameters R (Radial): -1.464 | I (In-track): 0.175 | C (Cross-track): 0.717
    Collision Risk Index (CRI) 0.49
    X Position (km) 1719.683 1718.657
    Position Y (km) -3874.673 -3874.179
    Position Z (km) -5765.082 -5763.901
    Velocity X (km/s) 0.733 -4.047
    Velocity Y (km/s) -5.985 4.57
    Velocity Z (km/s) 4.375 -4.288

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB SAPPHIRE
    Semimajor Axis (a) 7134.662 km 7152.305 km
    Eccentricity (e) 0.014407 0.001091
    Inclination (i) 98.0366° 98.4307°
    RAAN 280.0848° 122.7229°
    Perigee Argument 53.4178° 191.6658°
    Mean Anomaly (M) 96.7634° 168.4276°
    Apogee 859.315 km 781.970 km
    Perigee 653.735 km 766.366 km
    Orbit Epoch 2026-11-02T10:20:33+0000 2026-11-02T11:23:39+0000

    FENGYUN 1C DEB & SAPPHIRE Collision Probability (Pc) Trend

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

    FENGYUN 1C DEB & SAPPHIRE Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & SAPPHIRE Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SAPPHIREMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SAPPHIRECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data