Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    8.121944E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:12:02+0800
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    1 Object 1

    AOE ID 53699
    NORAD ID 53699
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 68139
    NORAD ID 68139
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4C R/B SHIYAN 30-03
    Time of Closest Approach 2026-10-19T19:47:08+0000
    Collision Probability (Pc) 8.121944E-5
    Conjunction Distance (km) 0.696 km
    Relative Speed (km/s) 13.3 km/s
    Conjunction Risk Parameters R (Radial): 0.064 | I (In-track): -0.319 | C (Cross-track): -0.613
    Collision Risk Index (CRI) 0.73
    X Position (km) -5995.462 -5995.851
    Position Y (km) -1819.551 -1819.087
    Position Z (km) -3049.43 -3049.088
    Velocity X (km/s) 2.711 0.697
    Velocity Y (km/s) 2.05 -6.991
    Velocity Z (km/s) -6.737 2.806

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B SHIYAN 30-03
    Semimajor Axis (a) 6933.974 km 6969.725 km
    Eccentricity (e) 0.010887 0.000467
    Inclination (i) 98.0444° 34.9997°
    RAAN 20.1678° 244.4956°
    Perigee Argument 95.5052° 324.3604°
    Mean Anomaly (M) 265.8602° 35.6789°
    Apogee 631.330 km 594.845 km
    Perigee 480.344 km 588.331 km
    Orbit Epoch 2026-10-19T04:30:28+0000 2026-10-19T05:33:14+0000

    CZ-4C R/B & SHIYAN 30-03 Collision Probability (Pc) Trend

    CZ-4C R/B & SHIYAN 30-03 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & SHIYAN 30-03 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & SHIYAN 30-03 Miss Distance (Miss Distance) TrendNot Available

    CZ-4C R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN 30-03Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN 30-03Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data