Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.837779E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T05:28:31+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 66326
    NORAD ID 66326
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-35479
    Time of Closest Approach 2026-10-17T02:52:51+0000
    Collision Probability (Pc) 5.837779E-6
    Conjunction Distance (km) 1.555 km
    Relative Speed (km/s) 14.351 km/s
    Conjunction Risk Parameters R (Radial): -1.549 | I (In-track): 0.056 | C (Cross-track): -0.118
    Collision Risk Index (CRI) 0.5
    X Position (km) -4874.617 -4873.441
    Position Y (km) -4821.646 -4820.638
    Position Z (km) -295.241 -295.102
    Velocity X (km/s) -0.979 4.08
    Velocity Y (km/s) 0.514 -3.813
    Velocity Z (km/s) 7.521 -5.193

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-35479
    Semimajor Axis (a) 6822.077 km 6861.167 km
    Eccentricity (e) 0.006007 0.000111
    Inclination (i) 97.9645° 43.0022°
    RAAN 223.4225° 45.1839°
    Perigee Argument 204.8819° 269.6191°
    Mean Anomaly (M) 154.9527° 90.4533°
    Apogee 484.922 km 483.794 km
    Perigee 402.958 km 482.266 km
    Orbit Epoch 2026-10-16T06:37:44+0000 2026-10-16T13:31:38+0000

    CZ-4C R/B & STARLINK-35479 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-35479 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-35479 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-35479 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-35479Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35479Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data