Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.505919E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:02:30+0800
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    1 Object 1

    AOE ID 25730
    NORAD ID 25730
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

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

    Conjunction Constraints

    Parameter FENGYUN 1C YUNHAI 2-2B
    Time of Closest Approach 2026-10-28T01:09:06+0000
    Collision Probability (Pc) 1.505919E-6
    Conjunction Distance (km) 2.706 km
    Relative Speed (km/s) 14.241 km/s
    Conjunction Risk Parameters R (Radial): 2.142 | I (In-track): -0.488 | C (Cross-track): 1.58
    Collision Risk Index (CRI) 0.39
    X Position (km) -6217.079 -6214.991
    Position Y (km) -2267.976 -2268.783
    Position Z (km) 2774.58 2773.061
    Velocity X (km/s) -3.097 3.727
    Velocity Y (km/s) 0.194 -4.17
    Velocity Z (km/s) -6.78 4.932

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C YUNHAI 2-2B
    Semimajor Axis (a) 7178.710 km 7176.521 km
    Eccentricity (e) 0.001293 0.000467
    Inclination (i) 98.8546° 50.0091°
    RAAN 15.1991° 183.6351°
    Perigee Argument 235.5121° 295.2915°
    Mean Anomaly (M) 124.4839° 64.7515°
    Apogee 809.853 km 801.740 km
    Perigee 791.293 km 795.028 km
    Orbit Epoch 2026-10-26T23:10:57+0000 2026-10-27T01:29:51+0000

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

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

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

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

    FENGYUN 1CMiss 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 1CCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 2-2BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C

    No nearby objects data