Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.503485E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T15:35:03+0800
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    1 Object 1

    AOE ID 36188
    NORAD ID 36188
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    Name SMAP
    AOE ID 40376
    NORAD ID 40376
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB SMAP
    Time of Closest Approach 2026-09-15T01:02:39+0000
    Collision Probability (Pc) 1.503485E-6
    Conjunction Distance (km) 2.563 km
    Relative Speed (km/s) 12.248 km/s
    Conjunction Risk Parameters R (Radial): 0.527 | I (In-track): 1.437 | C (Cross-track): -2.055
    Collision Risk Index (CRI) 0.39
    X Position (km) 1133.64 1131.639
    Position Y (km) 1380.311 1381.825
    Position Z (km) -6839.923 -6839.404
    Velocity X (km/s) 7.139 -0.558
    Velocity Y (km/s) 1.708 -7.311
    Velocity Z (km/s) 1.497 -1.57

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB SMAP
    Semimajor Axis (a) 7048.809 km 7060.451 km
    Eccentricity (e) 0.004400 0.000144
    Inclination (i) 98.5934° 98.1315°
    RAAN 11.8043° 262.8207°
    Perigee Argument 176.3106° 91.2515°
    Mean Anomaly (M) 183.8430° 268.8852°
    Apogee 701.688 km 683.333 km
    Perigee 639.656 km 681.295 km
    Orbit Epoch 2026-09-11T18:49:46+0000 2026-09-13T23:15:17+0000

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

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

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

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

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SMAPMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SMAPCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data