Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.236238E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-10T18:49:51+0800
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    1 Object 1

    AOE ID 7924
    NORAD ID 7924
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name HJS-4C
    AOE ID 58693
    NORAD ID 58693
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter NIMBUS 6 HJS-4C
    Time of Closest Approach 2026-10-10T10:56:44+0000
    Collision Probability (Pc) 2.236238E-6
    Conjunction Distance (km) 2.035 km
    Relative Speed (km/s) 10.723 km/s
    Conjunction Risk Parameters R (Radial): 1.235 | I (In-track): -1.1 | C (Cross-track): 1.186
    Collision Risk Index (CRI) 0.42
    X Position (km) -4404.471 -4404.636
    Position Y (km) -2147.833 -2146.966
    Position Z (km) -5658.689 -5660.523
    Velocity X (km/s) -5.626 2.216
    Velocity Y (km/s) -0.592 -6.89
    Velocity Z (km/s) 4.606 0.89

    Orbital Parameters 国际轨道数据源

    Parameter NIMBUS 6 HJS-4C
    Semimajor Axis (a) 7484.339 km 7481.958 km
    Eccentricity (e) 0.000740 0.000052
    Inclination (i) 99.9945° 49.9984°
    RAAN 193.5270° 284.0288°
    Perigee Argument 310.0795° 65.5553°
    Mean Anomaly (M) 78.3400° 294.5379°
    Apogee 1111.743 km 1104.213 km
    Perigee 1100.661 km 1103.429 km
    Orbit Epoch 2026-10-09T17:25:40+0000 2026-10-09T21:02:38+0000

    NIMBUS 6 & HJS-4C Collision Probability (Pc) Trend

    NIMBUS 6 & HJS-4C Collision Probability (Pc) TrendNot Available

    NIMBUS 6 & HJS-4C Miss Distance (Miss Distance) Trend

    NIMBUS 6 & HJS-4C Miss Distance (Miss Distance) TrendNot Available

    NIMBUS 6Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HJS-4CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NIMBUS 6Collision Probability Trend

    Object 1 Probability TrendNot Available

    HJS-4CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NIMBUS 6

    No nearby objects data