Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.806457E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T00:38:54+0800
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    1 Object 1

    AOE ID 31743
    NORAD ID 31743
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 40697
    NORAD ID 40697
    Object Type PAYLOAD
    Country
    ESA ESA

    Conjunction Constraints

    Parameter FENGYUN 1C DEB SENTINEL 2A
    Time of Closest Approach 2026-09-12T19:44:51+0000
    Collision Probability (Pc) 2.806457E-5
    Conjunction Distance (km) 0.966 km
    Relative Speed (km/s) 13.08 km/s
    Conjunction Risk Parameters R (Radial): 0.764 | I (In-track): -0.283 | C (Cross-track): -0.517
    Collision Risk Index (CRI) 0.64
    X Position (km) 2311.405 2311.126
    Position Y (km) -177.525 -178.096
    Position Z (km) -6791.16 -6790.433
    Velocity X (km/s) -6.38 5.968
    Velocity Y (km/s) -3.186 -3.903
    Velocity Z (km/s) -2.116 2.135

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB SENTINEL 2A
    Semimajor Axis (a) 7158.167 km 7167.128 km
    Eccentricity (e) 0.003732 0.000118
    Inclination (i) 99.1536° 98.5630°
    RAAN 202.2247° 328.8640°
    Perigee Argument 144.3092° 83.5494°
    Mean Anomaly (M) 7.6926° 276.5823°
    Apogee 806.748 km 789.839 km
    Perigee 753.312 km 788.143 km
    Orbit Epoch 2026-09-11T08:05:58+0000 2026-09-12T06:39:45+0000

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

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

    FENGYUN 1C DEB & SENTINEL 2A Miss Distance (Miss Distance) Trend

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

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SENTINEL 2AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SENTINEL 2ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data