Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    8.071527E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T07:23:38+0800
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    1 Object 1

    AOE ID 39211
    NORAD ID 39211
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 56702
    NORAD ID 56702
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-30117
    Time of Closest Approach 2026-10-22T04:35:02+0000
    Collision Probability (Pc) 8.071527E-5
    Conjunction Distance (km) 0.705 km
    Relative Speed (km/s) 14.01 km/s
    Conjunction Risk Parameters R (Radial): 0.705 | I (In-track): -0.014 | C (Cross-track): -0.013
    Collision Risk Index (CRI) 0.73
    X Position (km) -4262.489 -4262.036
    Position Y (km) -4379.811 -4379.374
    Position Z (km) 3112.035 3111.717
    Velocity X (km/s) 1.548 3.103
    Velocity Y (km/s) 3.285 -5.786
    Velocity Z (km/s) 6.681 -3.881

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-30117
    Semimajor Axis (a) 6821.852 km 6861.209 km
    Eccentricity (e) 0.006029 0.000113
    Inclination (i) 97.9644° 42.9984°
    RAAN 226.6772° 90.4973°
    Perigee Argument 194.1093° 274.2284°
    Mean Anomaly (M) 165.8471° 85.8438°
    Apogee 484.847 km 483.846 km
    Perigee 402.583 km 482.298 km
    Orbit Epoch 2026-10-19T06:19:39+0000 2026-10-20T03:20:03+0000

    CZ-4C R/B & STARLINK-30117 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-30117 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-30117 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-30117 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-30117Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30117Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data