Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.964133E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T07:11:29+0800
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    1 Object 1

    AOE ID 2173
    NORAD ID 2173
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68658
    NORAD ID 68658
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter NIMBUS 2 HULIANWANG DIGUI-166
    Time of Closest Approach 2026-10-31T02:39:41+0000
    Collision Probability (Pc) 1.964133E-6
    Conjunction Distance (km) 2.339 km
    Relative Speed (km/s) 14.424 km/s
    Conjunction Risk Parameters R (Radial): 2.329 | I (In-track): -0.042 | C (Cross-track): 0.215
    Collision Risk Index (CRI) 0.41
    X Position (km) 3934.788 3936.019
    Position Y (km) 250.518 250.812
    Position Z (km) 6423.58 6425.546
    Velocity X (km/s) 5.962 -6.2
    Velocity Y (km/s) -2.156 0.456
    Velocity Z (km/s) -3.531 3.771

    Orbital Parameters 国际轨道数据源

    Parameter NIMBUS 2 HULIANWANG DIGUI-166
    Semimajor Axis (a) 7510.883 km 7546.057 km
    Eccentricity (e) 0.005530 0.000213
    Inclination (i) 100.5060° 86.4979°
    RAAN 165.2902° 358.1286°
    Perigee Argument 341.0672° 109.9396°
    Mean Anomaly (M) 193.3285° 250.1967°
    Apogee 1174.283 km 1169.526 km
    Perigee 1091.209 km 1166.314 km
    Orbit Epoch 2026-10-30T08:55:58+0000 2026-10-30T11:51:41+0000

    NIMBUS 2 & HULIANWANG DIGUI-166 Collision Probability (Pc) Trend

    NIMBUS 2 & HULIANWANG DIGUI-166 Collision Probability (Pc) TrendNot Available

    NIMBUS 2 & HULIANWANG DIGUI-166 Miss Distance (Miss Distance) Trend

    NIMBUS 2 & HULIANWANG DIGUI-166 Miss Distance (Miss Distance) TrendNot Available

    NIMBUS 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HULIANWANG DIGUI-166Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NIMBUS 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    HULIANWANG DIGUI-166Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NIMBUS 2

    No nearby objects data