Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.766364E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-11T04:12:23+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 28209
    NORAD ID 28209
    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 2026-11-11T18:51:28+0000
    Collision Probability (Pc) 6.766364E-7
    Conjunction Distance (km) 1.721 km
    Relative Speed (km/s) 0.367 km/s
    Conjunction Risk Parameters R (Radial): -1.318 | I (In-track): 1.105 | C (Cross-track): -0.033
    Collision Risk Index (CRI) 0.32
    X Position (km) -2040.994 -2041.383
    Position Y (km) 91.478 92.24
    Position Z (km) 7130.587 7129.094
    Velocity X (km/s) -5.123 -5.369
    Velocity Y (km/s) 4.991 4.729
    Velocity Z (km/s) -1.525 -1.595

    Orbital Parameters 国际轨道数据源

    Parameter NIMBUS 2 DEB SHIYAN 27F
    Semimajor Axis (a) 7393.368 km 7423.827 km
    Eccentricity (e) 0.004249 0.000077
    Inclination (i) 100.3150° 99.6938°
    RAAN 316.3260° 319.3343°
    Perigee Argument 290.7754° 80.6267°
    Mean Anomaly (M) 132.1595° 279.4959°
    Apogee 1046.644 km 1046.261 km
    Perigee 983.818 km 1045.119 km
    Orbit Epoch 2026-11-10T05:44:31+0000 2026-11-10T06:58:12+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