Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.873519E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:45:23+0800
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    1 Object 1

    AOE ID 54700
    NORAD ID 54700
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 61316
    NORAD ID 61316
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter SHIYAN 20B (SY-20B) CZ-6A DEB
    Time of Closest Approach 2026-10-20T22:29:45+0000
    Collision Probability (Pc) 1.873519E-6
    Conjunction Distance (km) 2.125 km
    Relative Speed (km/s) 9.505 km/s
    Conjunction Risk Parameters R (Radial): 1.039 | I (In-track): -1.429 | C (Cross-track): 1.181
    Collision Risk Index (CRI) 0.4
    X Position (km) -339.105 -337.723
    Position Y (km) -3610.13 -3608.527
    Position Z (km) 6174.856 6174.665
    Velocity X (km/s) 7.433 0.836
    Velocity Y (km/s) 0.295 6.346
    Velocity Z (km/s) 0.593 3.788

    Orbital Parameters 国际轨道数据源

    Parameter SHIYAN 20B (SY-20B) CZ-6A DEB
    Semimajor Axis (a) 7171.292 km 7122.638 km
    Eccentricity (e) 0.001601 0.007662
    Inclination (i) 59.9965° 89.0610°
    RAAN 187.0451° 263.1685°
    Perigee Argument 10.9346° 281.3268°
    Mean Anomaly (M) 349.2034° 77.9334°
    Apogee 804.639 km 799.077 km
    Perigee 781.671 km 689.925 km
    Orbit Epoch 2026-10-20T06:59:42+0000 2026-10-19T21:16:37+0000

    SHIYAN 20B (SY-20B) & CZ-6A DEB Collision Probability (Pc) Trend

    SHIYAN 20B (SY-20B) & CZ-6A DEB Collision Probability (Pc) TrendNot Available

    SHIYAN 20B (SY-20B) & CZ-6A DEB Miss Distance (Miss Distance) Trend

    SHIYAN 20B (SY-20B) & CZ-6A DEB Miss Distance (Miss Distance) TrendNot Available

    SHIYAN 20B (SY-20B)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-6A DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHIYAN 20B (SY-20B)Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-6A DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHIYAN 20B (SY-20B)

    No nearby objects data