Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.33606E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:30:32+0800
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    1 Object 1

    AOE ID 37707
    NORAD ID 37707
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59281
    NORAD ID 59281
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB YUNHAI 2-2B
    Time of Closest Approach 2026-10-20T20:42:46+0000
    Collision Probability (Pc) 1.33606E-6
    Conjunction Distance (km) 2.951 km
    Relative Speed (km/s) 14.233 km/s
    Conjunction Risk Parameters R (Radial): -0.355 | I (In-track): -0.838 | C (Cross-track): 2.807
    Collision Risk Index (CRI) 0.38
    X Position (km) 6503.945 6504.543
    Position Y (km) 960.692 958.16
    Position Z (km) 2875.593 2874.2
    Velocity X (km/s) -2.694 1.348
    Velocity Y (km/s) -1.843 5.483
    Velocity Z (km/s) 6.645 -4.868

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB YUNHAI 2-2B
    Semimajor Axis (a) 7078.199 km 7176.528 km
    Eccentricity (e) 0.014054 0.000474
    Inclination (i) 100.1953° 50.0097°
    RAAN 11.8601° 211.8084°
    Perigee Argument 197.8130° 271.8846°
    Mean Anomaly (M) 335.9084° 88.1525°
    Apogee 799.542 km 801.797 km
    Perigee 600.582 km 794.985 km
    Orbit Epoch 2026-10-19T23:59:00+0000 2026-10-20T09:56:37+0000

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

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

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

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

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 2-2BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 2-2BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data