Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.969492E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T02:04:12+0800
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    1 Object 1

    AOE ID 40879
    NORAD ID 40879
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 63170
    NORAD ID 63170
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4C R/B QIANFAN-84
    Time of Closest Approach 2026-10-19T04:14:24+0000
    Collision Probability (Pc) 2.969492E-6
    Conjunction Distance (km) 1.965 km
    Relative Speed (km/s) 14.615 km/s
    Conjunction Risk Parameters R (Radial): 1.196 | I (In-track): 0.147 | C (Cross-track): -1.552
    Collision Risk Index (CRI) 0.44
    X Position (km) 2110.579 2109.423
    Position Y (km) -6382.889 -6384.33
    Position Z (km) 3190.078 3190.746
    Velocity X (km/s) -0.448 -0.845
    Velocity Y (km/s) -3.404 3.025
    Velocity Z (km/s) -6.504 6.614

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B QIANFAN-84
    Semimajor Axis (a) 7512.371 km 7446.620 km
    Eccentricity (e) 0.009346 0.001417
    Inclination (i) 100.5765° 88.9621°
    RAAN 101.7093° 287.8614°
    Perigee Argument 160.9958° 315.9332°
    Mean Anomaly (M) 199.4688° 44.0689°
    Apogee 1204.447 km 1079.039 km
    Perigee 1064.021 km 1057.927 km
    Orbit Epoch 2026-10-17T17:15:18+0000 2026-10-18T12:07:04+0000

    CZ-4C R/B & QIANFAN-84 Collision Probability (Pc) Trend

    CZ-4C R/B & QIANFAN-84 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & QIANFAN-84 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & QIANFAN-84 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    QIANFAN-84Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-84Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data