Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.13435E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T06:28:22+0800
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    1 Object 1

    AOE ID 22590
    NORAD ID 22590
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 30621
    NORAD ID 30621
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2239 FENGYUN 1C DEB
    Time of Closest Approach 2026-09-16T04:34:40+0000
    Collision Probability (Pc) 4.13435E-6
    Conjunction Distance (km) 1.7 km
    Relative Speed (km/s) 12.959 km/s
    Conjunction Risk Parameters R (Radial): -1.322 | I (In-track): -0.487 | C (Cross-track): -0.95
    Collision Risk Index (CRI) 0.47
    X Position (km) -647.237 -647.877
    Position Y (km) 965.945 966.506
    Position Z (km) 7244.369 7242.898
    Velocity X (km/s) -2.215 7.01
    Velocity Y (km/s) -6.995 2.095
    Velocity Z (km/s) 0.746 0.312

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2239 FENGYUN 1C DEB
    Semimajor Axis (a) 7357.527 km 7253.395 km
    Eccentricity (e) 0.002394 0.013227
    Inclination (i) 82.9273° 98.7021°
    RAAN 73.7041° 194.4343°
    Perigee Argument 43.9428° 252.3358°
    Mean Anomaly (M) 344.0217° 267.6528°
    Apogee 997.007 km 971.199 km
    Perigee 961.773 km 779.317 km
    Orbit Epoch 2026-09-15T10:50:59+0000 2026-09-14T06:47:11+0000

    COSMOS 2239 & FENGYUN 1C DEB Collision Probability (Pc) Trend

    COSMOS 2239 & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    COSMOS 2239 & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    COSMOS 2239 & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2239Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2239Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2239

    No nearby objects data