Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.594468E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-01T07:54:51+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 68477
    NORAD ID 68477
    Object Type PAYLOAD
    Country
    DE DE

    Conjunction Constraints

    Parameter CZ-4B R/B UNICORN-2R
    Time of Closest Approach 2026-09-01T08:32:00+0000
    Collision Probability (Pc) 2.594468E-6
    Conjunction Distance (km) 1.979 km
    Relative Speed (km/s) 12.138 km/s
    Conjunction Risk Parameters R (Radial): -1.945 | I (In-track): 0.216 | C (Cross-track): -0.282
    Collision Risk Index (CRI) 0.43
    X Position (km) -955.923 -955.95
    Position Y (km) -1365.059 -1364.478
    Position Z (km) -6777.007 -6775.116
    Velocity X (km/s) -0.503 -6.964
    Velocity Y (km/s) 7.346 -2.502
    Velocity Z (km/s) -1.448 1.484

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B UNICORN-2R
    Semimajor Axis (a) 6894.429 km 6967.310 km
    Eccentricity (e) 0.012287 0.000491
    Inclination (i) 98.4590° 97.7562°
    RAAN 91.3797° 199.8198°
    Perigee Argument 105.7071° 152.3711°
    Mean Anomaly (M) 255.7753° 207.7769°
    Apogee 601.003 km 592.592 km
    Perigee 431.581 km 585.754 km
    Orbit Epoch 2026-08-31T13:59:05+0000 2026-08-30T19:53:08+0000

    CZ-4B R/B & UNICORN-2R Collision Probability (Pc) Trend

    CZ-4B R/B & UNICORN-2R Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & UNICORN-2R Miss Distance (Miss Distance) Trend

    CZ-4B R/B & UNICORN-2R Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    UNICORN-2RMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    UNICORN-2RCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data