Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.015738E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:25:32+0800
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    1 Object 1

    AOE ID 37181
    NORAD ID 37181
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 64082
    NORAD ID 64082
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-34171
    Time of Closest Approach 2026-10-21T09:26:28+0000
    Collision Probability (Pc) 1.015738E-6
    Conjunction Distance (km) 2.748 km
    Relative Speed (km/s) 7.463 km/s
    Conjunction Risk Parameters R (Radial): 0.532 | I (In-track): -2.349 | C (Cross-track): 1.323
    Collision Risk Index (CRI) 0.35
    X Position (km) 6314.128 6313.613
    Position Y (km) -1605.031 -1605.906
    Position Z (km) -2154.371 -2156.924
    Velocity X (km/s) 1.986 2.926
    Velocity Y (km/s) -1.626 5.314
    Velocity Z (km/s) 7.193 4.616

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-34171
    Semimajor Axis (a) 6885.880 km 6861.173 km
    Eccentricity (e) 0.007200 0.000127
    Inclination (i) 97.7704° 43.0022°
    RAAN 341.7980° 12.7912°
    Perigee Argument 40.6594° 267.5685°
    Mean Anomaly (M) 319.9984° 92.5022°
    Apogee 557.325 km 483.907 km
    Perigee 458.161 km 482.165 km
    Orbit Epoch 2026-10-20T01:54:35+0000 2026-10-20T06:53:01+0000

    CZ-4B R/B & STARLINK-34171 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-34171 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-34171 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-34171 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-34171Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34171Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data