Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.180241E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:44:23+0800
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    1 Object 1

    AOE ID 44531
    NORAD ID 44531
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 45405
    NORAD ID 45405
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-1263
    Time of Closest Approach 2026-09-11T16:34:56+0000
    Collision Probability (Pc) 1.180241E-6
    Conjunction Distance (km) 2.492 km
    Relative Speed (km/s) 7.457 km/s
    Conjunction Risk Parameters R (Radial): 0.027 | I (In-track): 2.171 | C (Cross-track): -1.223
    Collision Risk Index (CRI) 0.36
    X Position (km) 3241.642 3243.104
    Position Y (km) -4501.578 -4502.242
    Position Z (km) -3963.553 -3961.648
    Velocity X (km/s) 1.418 6.323
    Velocity Y (km/s) -4.416 0.858
    Velocity Z (km/s) 6.135 4.208

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-1263
    Semimajor Axis (a) 6898.637 km 6814.409 km
    Eccentricity (e) 0.013105 0.000274
    Inclination (i) 98.7041° 53.1548°
    RAAN 298.4232° 343.6226°
    Perigee Argument 311.5128° 27.0105°
    Mean Anomaly (M) 47.4914° 333.1044°
    Apogee 610.905 km 438.140 km
    Perigee 430.095 km 434.404 km
    Orbit Epoch 2026-09-10T18:32:54+0000 2026-09-10T12:48:32+0000

    CZ-4B R/B & STARLINK-1263 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-1263 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-1263 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-1263 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-1263Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-1263Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data