Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.590727E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T21:40:45+0800
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    1 Object 1

    AOE ID 28415
    NORAD ID 28415
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59364
    NORAD ID 59364
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-31547
    Time of Closest Approach 2026-10-12T17:05:58+0000
    Collision Probability (Pc) 4.590727E-5
    Conjunction Distance (km) 0.844 km
    Relative Speed (km/s) 13.848 km/s
    Conjunction Risk Parameters R (Radial): 0.632 | I (In-track): -0.227 | C (Cross-track): 0.51
    Collision Risk Index (CRI) 0.68
    X Position (km) -4651.82 -4651.802
    Position Y (km) 3654.023 3653.42
    Position Z (km) 3469.601 3469.013
    Velocity X (km/s) -2.298 -2.382
    Velocity Y (km/s) 3.237 -6.352
    Velocity Z (km/s) -6.503 3.486

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-31547
    Semimajor Axis (a) 6847.763 km 6861.211 km
    Eccentricity (e) 0.002798 0.000141
    Inclination (i) 97.3267° 43.0019°
    RAAN 316.9137° 108.0755°
    Perigee Argument 278.7032° 254.3891°
    Mean Anomaly (M) 81.1041° 105.6805°
    Apogee 488.783 km 484.041 km
    Perigee 450.469 km 482.107 km
    Orbit Epoch 2026-10-12T02:20:25+0000 2026-10-11T18:55:15+0000

    CZ-4B R/B & STARLINK-31547 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-31547 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-31547 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-31547 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-31547Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31547Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data