Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.621612E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T16:03:50+0800
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    1 Object 1

    AOE ID 52913
    NORAD ID 52913
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59617
    NORAD ID 59617
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-31769
    Time of Closest Approach 2026-10-31T04:05:07+0000
    Collision Probability (Pc) 1.621612E-6
    Conjunction Distance (km) 2.566 km
    Relative Speed (km/s) 13.971 km/s
    Conjunction Risk Parameters R (Radial): 1.363 | I (In-track): -0.86 | C (Cross-track): -1.996
    Collision Risk Index (CRI) 0.39
    X Position (km) -2397.662 -2396.67
    Position Y (km) 5554.432 5556.767
    Position Z (km) -3237.549 -3237.165
    Velocity X (km/s) 2.516 -6.599
    Velocity Y (km/s) -2.793 -0.661
    Velocity Z (km/s) -6.616 3.755

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-31769
    Semimajor Axis (a) 6836.479 km 6861.176 km
    Eccentricity (e) 0.004113 0.000155
    Inclination (i) 98.0151° 42.9995°
    RAAN 294.7257° 163.9213°
    Perigee Argument 351.6083° 266.4949°
    Mean Anomaly (M) 8.4466° 9.7499°
    Apogee 486.460 km 484.105 km
    Perigee 430.224 km 481.973 km
    Orbit Epoch 2026-10-28T11:04:16+0000 2026-10-28T10:00:02+0000

    CZ-4C R/B & STARLINK-31769 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-31769 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-31769 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-31769 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-31769Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31769Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data