Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.470673E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T09:32:55+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 58772
    NORAD ID 58772
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-31136
    Time of Closest Approach 2026-10-29T21:20:03+0000
    Collision Probability (Pc) 2.470673E-6
    Conjunction Distance (km) 1.744 km
    Relative Speed (km/s) 6.566 km/s
    Conjunction Risk Parameters R (Radial): 1.374 | I (In-track): -0.965 | C (Cross-track): -0.468
    Collision Risk Index (CRI) 0.43
    X Position (km) -5627.661 -5628.229
    Position Y (km) 2229.945 2230.52
    Position Z (km) 3176.489 3178.033
    Velocity X (km/s) -2.855 -4.342
    Velocity Y (km/s) 2.314 -3.842
    Velocity Z (km/s) -6.702 -4.973

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-31136
    Semimajor Axis (a) 6847.123 km 6840.933 km
    Eccentricity (e) 0.002855 0.000168
    Inclination (i) 97.3241° 53.1621°
    RAAN 333.1948° 8.3773°
    Perigee Argument 216.5974° 56.9152°
    Mean Anomaly (M) 143.3318° 303.2012°
    Apogee 488.534 km 463.945 km
    Perigee 449.438 km 461.647 km
    Orbit Epoch 2026-10-28T13:19:32+0000 2026-10-28T10:18:56+0000

    CZ-4B R/B & STARLINK-31136 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-31136 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-31136 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-31136 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-31136Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31136Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data