Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.433339E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T21:59:21+0800
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    1 Object 1

    Name NOAA 6
    AOE ID 11416
    NORAD ID 11416
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55716
    NORAD ID 55716
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter NOAA 6 SHIYAN 20A DEB
    Time of Closest Approach 2026-10-29T17:04:43+0000
    Collision Probability (Pc) 1.433339E-6
    Conjunction Distance (km) 2.831 km
    Relative Speed (km/s) 14.638 km/s
    Conjunction Risk Parameters R (Radial): 2.798 | I (In-track): -0.102 | C (Cross-track): -0.416
    Collision Risk Index (CRI) 0.38
    X Position (km) -6012.521 -6014.65
    Position Y (km) 2864.798 2866.249
    Position Z (km) 2593.951 2595.122
    Velocity X (km/s) -1.907 0.348
    Velocity Y (km/s) 2.229 -4.608
    Velocity Z (km/s) -6.872 5.873

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 6 SHIYAN 20A DEB
    Semimajor Axis (a) 7151.361 km 7159.597 km
    Eccentricity (e) 0.000921 0.001085
    Inclination (i) 98.5525° 59.9926°
    RAAN 328.7840° 151.0357°
    Perigee Argument 221.0762° 25.8390°
    Mean Anomaly (M) 138.9730° 334.3186°
    Apogee 779.812 km 789.226 km
    Perigee 766.636 km 773.694 km
    Orbit Epoch 2026-10-27T07:28:05+0000 2026-10-26T20:18:42+0000

    NOAA 6 & SHIYAN 20A DEB Collision Probability (Pc) Trend

    NOAA 6 & SHIYAN 20A DEB Collision Probability (Pc) TrendNot Available

    NOAA 6 & SHIYAN 20A DEB Miss Distance (Miss Distance) Trend

    NOAA 6 & SHIYAN 20A DEB Miss Distance (Miss Distance) TrendNot Available

    NOAA 6Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN 20A DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 6Collision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN 20A DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 6

    No nearby objects data