Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.87537E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T09:58:11+0800
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    1 Object 1

    AOE ID 37406
    NORAD ID 37406
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 65570
    NORAD ID 65570
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB PRAETORIAN SDA_607
    Time of Closest Approach 2026-09-07T11:13:18+0000
    Collision Probability (Pc) 1.87537E-6
    Conjunction Distance (km) 2.407 km
    Relative Speed (km/s) 14.69 km/s
    Conjunction Risk Parameters R (Radial): 2.403 | I (In-track): -0.008 | C (Cross-track): 0.154
    Collision Risk Index (CRI) 0.4
    X Position (km) 882.788 882.634
    Position Y (km) 733.647 733.477
    Position Z (km) 7235.874 7233.478
    Velocity X (km/s) 2.403 -3.096
    Velocity Y (km/s) -6.92 6.686
    Velocity Z (km/s) 0.334 -0.294

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB PRAETORIAN SDA_607
    Semimajor Axis (a) 7254.673 km 7328.708 km
    Eccentricity (e) 0.014726 0.000838
    Inclination (i) 98.4209° 81.3017°
    RAAN 104.0760° 297.1949°
    Perigee Argument 239.4646° 344.1841°
    Mean Anomaly (M) 245.5946° 15.9053°
    Apogee 983.367 km 956.711 km
    Perigee 769.705 km 944.431 km
    Orbit Epoch 2026-09-02T10:02:57+0000 2026-09-04T13:21:49+0000

    FENGYUN 1C DEB & PRAETORIAN SDA_607 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & PRAETORIAN SDA_607 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & PRAETORIAN SDA_607 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & PRAETORIAN SDA_607 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PRAETORIAN SDA_607Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    PRAETORIAN SDA_607Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data