Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.198266E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:36:30+0800
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    1 Object 1

    AOE ID 44531
    NORAD ID 44531
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 58158
    NORAD ID 58158
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-30829
    Time of Closest Approach 2026-10-21T00:44:16+0000
    Collision Probability (Pc) 1.198266E-6
    Conjunction Distance (km) 2.919 km
    Relative Speed (km/s) 11.488 km/s
    Conjunction Risk Parameters R (Radial): 1.038 | I (In-track): 1.81 | C (Cross-track): -2.041
    Collision Risk Index (CRI) 0.37
    X Position (km) -3684.081 -3684.405
    Position Y (km) 1890.454 1892.365
    Position Z (km) -5464.231 -5462.049
    Velocity X (km/s) 6.075 -2.808
    Velocity Y (km/s) -0.966 -7.061
    Velocity Z (km/s) -4.539 -0.552

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-30829
    Semimajor Axis (a) 6897.745 km 6848.865 km
    Eccentricity (e) 0.013138 0.000184
    Inclination (i) 98.6977° 53.1584°
    RAAN 343.0066° 259.5561°
    Perigee Argument 179.8977° 87.6227°
    Mean Anomaly (M) 180.2302° 272.4985°
    Apogee 610.232 km 471.991 km
    Perigee 428.984 km 469.465 km
    Orbit Epoch 2026-10-19T17:36:25+0000 2026-10-19T06:52:14+0000

    CZ-4B R/B & STARLINK-30829 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-30829 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-30829 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-30829 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-30829Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30829Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data