Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.354003E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T20:37:03+0800
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    1 Object 1

    AOE ID 49123
    NORAD ID 49123
    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 2026-10-21T10:15:21+0000
    Collision Probability (Pc) 2.354003E-6
    Conjunction Distance (km) 2.138 km
    Relative Speed (km/s) 14.088 km/s
    Conjunction Risk Parameters R (Radial): 1.252 | I (In-track): 0.682 | C (Cross-track): -1.594
    Collision Risk Index (CRI) 0.42
    X Position (km) -5906.754 -5907.809
    Position Y (km) 1598.967 1597.738
    Position Z (km) 3092.014 3093.41
    Velocity X (km/s) 3.58 -3.54
    Velocity Y (km/s) 0.322 -5.517
    Velocity Z (km/s) 6.762 -3.9

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-35479
    Semimajor Axis (a) 6914.243 km 6861.191 km
    Eccentricity (e) 0.010540 0.000142
    Inclination (i) 98.3528° 43.0026°
    RAAN 166.3613° 29.6752°
    Perigee Argument 356.8477° 257.4196°
    Mean Anomaly (M) 3.2073° 102.6497°
    Apogee 608.985 km 484.026 km
    Perigee 463.227 km 482.082 km
    Orbit Epoch 2026-10-18T21:42:22+0000 2026-10-19T07:26:12+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