Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    5.65529E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T22:10:36+0800
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    1 Object 1

    AOE ID 40644
    NORAD ID 40644
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63604
    NORAD ID 63604
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter NIMBUS 2 DEB SHIYAN 27F
    Time of Closest Approach 2026-10-17T05:52:51+0000
    Collision Probability (Pc) 5.65529E-5
    Conjunction Distance (km) 0.783 km
    Relative Speed (km/s) 13.253 km/s
    Conjunction Risk Parameters R (Radial): 0.734 | I (In-track): -0.111 | C (Cross-track): 0.248
    Collision Risk Index (CRI) 0.7
    X Position (km) 2258.694 2259.092
    Position Y (km) -2025.898 -2025.891
    Position Z (km) -6783.185 -6783.858
    Velocity X (km/s) -6.631 2.513
    Velocity Y (km/s) 1.612 -6.308
    Velocity Z (km/s) -2.69 2.722

    Orbital Parameters 国际轨道数据源

    Parameter NIMBUS 2 DEB SHIYAN 27F
    Semimajor Axis (a) 7462.235 km 7423.835 km
    Eccentricity (e) 0.005160 0.000090
    Inclination (i) 100.3451° 99.6946°
    RAAN 160.8551° 294.7177°
    Perigee Argument 252.3944° 86.5169°
    Mean Anomaly (M) 107.1546° 273.6073°
    Apogee 1122.604 km 1046.368 km
    Perigee 1045.592 km 1045.028 km
    Orbit Epoch 2026-10-15T22:20:27+0000 2026-10-16T07:12:55+0000

    NIMBUS 2 DEB & SHIYAN 27F Collision Probability (Pc) Trend

    NIMBUS 2 DEB & SHIYAN 27F Collision Probability (Pc) TrendNot Available

    NIMBUS 2 DEB & SHIYAN 27F Miss Distance (Miss Distance) Trend

    NIMBUS 2 DEB & SHIYAN 27F Miss Distance (Miss Distance) TrendNot Available

    NIMBUS 2 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN 27FMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NIMBUS 2 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN 27FCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NIMBUS 2 DEB

    No nearby objects data