Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.593132E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T12:27:30+0800
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    1 Object 1

    AOE ID 907
    NORAD ID 907
    Object Type ROCKET BODY
    Country
    US US
    VS

    2 Object 2

    AOE ID 63600
    NORAD ID 63600
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter SCOUT X-4 R/B SHIYAN 27B
    Time of Closest Approach 2026-09-13T08:32:57+0000
    Collision Probability (Pc) 8.593132E-6
    Conjunction Distance (km) 1.388 km
    Relative Speed (km/s) 14.541 km/s
    Conjunction Risk Parameters R (Radial): -1.058 | I (In-track): 0.064 | C (Cross-track): 0.895
    Collision Risk Index (CRI) 0.54
    X Position (km) 1152.144 1152.841
    Position Y (km) -784.054 -784.135
    Position Z (km) -7301.222 -7300.025
    Velocity X (km/s) 2.159 -1.084
    Velocity Y (km/s) 6.931 -7.208
    Velocity Z (km/s) -0.387 0.603

    Orbital Parameters 国际轨道数据源

    Parameter SCOUT X-4 R/B SHIYAN 27B
    Semimajor Axis (a) 7338.636 km 7423.846 km
    Eccentricity (e) 0.012090 0.000115
    Inclination (i) 79.6885° 99.6954°
    RAAN 73.7870° 261.9126°
    Perigee Argument 77.2205° 85.1022°
    Mean Anomaly (M) 284.2423° 275.0249°
    Apogee 1049.222 km 1046.566 km
    Perigee 871.776 km 1044.852 km
    Orbit Epoch 2026-09-12T20:50:02+0000 2026-09-13T00:07:22+0000

    SCOUT X-4 R/B & SHIYAN 27B Collision Probability (Pc) Trend

    SCOUT X-4 R/B & SHIYAN 27B Collision Probability (Pc) TrendNot Available

    SCOUT X-4 R/B & SHIYAN 27B Miss Distance (Miss Distance) Trend

    SCOUT X-4 R/B & SHIYAN 27B Miss Distance (Miss Distance) TrendNot Available

    SCOUT X-4 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN 27BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SCOUT X-4 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN 27BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SCOUT X-4 R/B

    No nearby objects data