Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.558054E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T06:05:37+0800
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    1 Object 1

    AOE ID 30276
    NORAD ID 30276
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 43256
    NORAD ID 43256
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 142
    Time of Closest Approach 2026-10-25T11:42:46+0000
    Collision Probability (Pc) 2.558054E-6
    Conjunction Distance (km) 2.067 km
    Relative Speed (km/s) 14.142 km/s
    Conjunction Risk Parameters R (Radial): -2.065 | I (In-track): -0.016 | C (Cross-track): -0.088
    Collision Risk Index (CRI) 0.43
    X Position (km) 329.216 329.077
    Position Y (km) 1275.638 1275.348
    Position Z (km) -7044.694 -7042.652
    Velocity X (km/s) 7.044 -4.186
    Velocity Y (km/s) 2.328 -6.025
    Velocity Z (km/s) 0.741 -1.287

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 142
    Semimajor Axis (a) 7174.339 km 7155.805 km
    Eccentricity (e) 0.002445 0.000212
    Inclination (i) 98.8428° 86.3968°
    RAAN 17.8483° 236.4172°
    Perigee Argument 247.2373° 87.4221°
    Mean Anomaly (M) 112.6225° 272.7217°
    Apogee 813.742 km 779.183 km
    Perigee 778.662 km 776.153 km
    Orbit Epoch 2026-10-24T04:10:12+0000 2026-10-24T02:41:23+0000

    FENGYUN 1C DEB & IRIDIUM 142 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 142 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 142 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 142 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 142Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 142Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data