Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    5.264329E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T19:14:35+0800
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    1 Object 1

    AOE ID 38039
    NORAD ID 38039
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 58647
    NORAD ID 58647
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4B R/B TIANMU-1 13
    Time of Closest Approach 2026-10-22T20:58:42+0000
    Collision Probability (Pc) 5.264329E-5
    Conjunction Distance (km) 0.822 km
    Relative Speed (km/s) 14.987 km/s
    Conjunction Risk Parameters R (Radial): 0.205 | I (In-track): 0.144 | C (Cross-track): -0.783
    Collision Risk Index (CRI) 0.69
    X Position (km) 4051.292 4050.93
    Position Y (km) -3156.004 -3156.731
    Position Z (km) -4558.866 -4558.992
    Velocity X (km/s) -4.888 3.129
    Velocity Y (km/s) 1.907 -4.088
    Velocity Z (km/s) -5.542 5.61

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B TIANMU-1 13
    Semimajor Axis (a) 6893.438 km 6860.716 km
    Eccentricity (e) 0.011962 0.000451
    Inclination (i) 98.4511° 97.3423°
    RAAN 146.3122° 312.6687°
    Perigee Argument 299.3582° 238.3078°
    Mean Anomaly (M) 59.5743° 121.7722°
    Apogee 597.764 km 485.671 km
    Perigee 432.838 km 479.487 km
    Orbit Epoch 2026-10-19T20:44:57+0000 2026-10-19T23:59:47+0000

    CZ-4B R/B & TIANMU-1 13 Collision Probability (Pc) Trend

    CZ-4B R/B & TIANMU-1 13 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & TIANMU-1 13 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & TIANMU-1 13 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 13Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 13Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data