Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.035158E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T17:53:48+0800
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    1 Object 1

    AOE ID 31781
    NORAD ID 31781
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59282
    NORAD ID 59282
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB YUNHAI 2-2C
    Time of Closest Approach 2026-10-23T14:37:19+0000
    Collision Probability (Pc) 2.035158E-6
    Conjunction Distance (km) 2.297 km
    Relative Speed (km/s) 14.393 km/s
    Conjunction Risk Parameters R (Radial): 2.228 | I (In-track): 0.136 | C (Cross-track): 0.542
    Collision Risk Index (CRI) 0.41
    X Position (km) 4750.211 4752.047
    Position Y (km) -5297.798 -5299.08
    Position Z (km) -932.231 -932.742
    Velocity X (km/s) -1.47 4.088
    Velocity Y (km/s) -0.222 2.675
    Velocity Z (km/s) -7.326 5.629

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB YUNHAI 2-2C
    Semimajor Axis (a) 7214.748 km 7176.561 km
    Eccentricity (e) 0.019095 0.000671
    Inclination (i) 99.4977° 50.0098°
    RAAN 131.2146° 325.3116°
    Perigee Argument 119.2502° 247.4433°
    Mean Anomaly (M) 242.7911° 112.5772°
    Apogee 974.380 km 803.239 km
    Perigee 698.842 km 793.609 km
    Orbit Epoch 2026-10-21T19:22:59+0000 2026-10-21T22:21:32+0000

    FENGYUN 1C DEB & YUNHAI 2-2C Collision Probability (Pc) Trend

    FENGYUN 1C DEB & YUNHAI 2-2C Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & YUNHAI 2-2C Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & YUNHAI 2-2C Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 2-2CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 2-2CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data