Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.593449E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T13:08:35+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 30050
    NORAD ID 30050
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 43871
    NORAD ID 43871
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB HONGYUN 1
    Time of Closest Approach 2026-10-17T18:54:18+0000
    Collision Probability (Pc) 3.593449E-6
    Conjunction Distance (km) 1.799 km
    Relative Speed (km/s) 13.476 km/s
    Conjunction Risk Parameters R (Radial): -0.457 | I (In-track): -0.681 | C (Cross-track): -1.6
    Collision Risk Index (CRI) 0.46
    X Position (km) -2535.863 -2536.551
    Position Y (km) 1168.497 1166.905
    Position Z (km) 6884.813 6884.336
    Velocity X (km/s) 6.78 -4.13
    Velocity Y (km/s) -0.596 5.533
    Velocity Z (km/s) 2.545 -2.456

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB HONGYUN 1
    Semimajor Axis (a) 7322.004 km 7444.655 km
    Eccentricity (e) 0.016749 0.001217
    Inclination (i) 96.8159° 99.7422°
    RAAN 170.8272° 308.4715°
    Perigee Argument 233.9518° 121.6484°
    Mean Anomaly (M) 154.4541° 238.5839°
    Apogee 1066.503 km 1075.577 km
    Perigee 821.231 km 1057.459 km
    Orbit Epoch 2026-10-15T14:42:58+0000 2026-10-15T23:43:30+0000

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

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

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

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

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HONGYUN 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HONGYUN 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data