Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.348636E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T19:39:12+0800
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    1 Object 1

    AOE ID 31820
    NORAD ID 31820
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    Name RAISE 2
    AOE ID 49397
    NORAD ID 49397
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter FENGYUN 1C DEB RAISE 2
    Time of Closest Approach 2026-10-22T05:16:13+0000
    Collision Probability (Pc) 4.348636E-5
    Conjunction Distance (km) 0.873 km
    Relative Speed (km/s) 15.048 km/s
    Conjunction Risk Parameters R (Radial): 0.533 | I (In-track): 0.136 | C (Cross-track): 0.678
    Collision Risk Index (CRI) 0.68
    X Position (km) -4851.735 -4851.766
    Position Y (km) 2781.157 2781.971
    Position Z (km) 3988.141 3988.453
    Velocity X (km/s) 4.567 -3.203
    Velocity Y (km/s) -0.935 3.21
    Velocity Z (km/s) 6.076 -6.125

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB RAISE 2
    Semimajor Axis (a) 6943.750 km 6875.742 km
    Eccentricity (e) 0.013601 0.000787
    Inclination (i) 98.9298° 97.3158°
    RAAN 153.3179° 322.5842°
    Perigee Argument 85.8076° 193.7896°
    Mean Anomaly (M) 275.8674° 166.3127°
    Apogee 660.058 km 503.019 km
    Perigee 471.168 km 492.191 km
    Orbit Epoch 2026-10-19T08:17:31+0000 2026-10-19T19:51:49+0000

    FENGYUN 1C DEB & RAISE 2 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & RAISE 2 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & RAISE 2 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & RAISE 2 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    RAISE 2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    RAISE 2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data