Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.551572E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-14T21:53:37+0800
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    1 Object 1

    AOE ID 52640
    NORAD ID 52640
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62078
    NORAD ID 62078
    Object Type ROCKET BODY
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-3977 CZ-2C R/B
    Time of Closest Approach 2026-10-14T23:35:34+0000
    Collision Probability (Pc) 7.551572E-6
    Conjunction Distance (km) 1.242 km
    Relative Speed (km/s) 6.963 km/s
    Conjunction Risk Parameters R (Radial): 1.22 | I (In-track): 0.205 | C (Cross-track): 0.1
    Collision Risk Index (CRI) 0.53
    X Position (km) 3638.64 3639.42
    Position Y (km) -4481.241 -4482.081
    Position Z (km) -3679.279 -3679.754
    Velocity X (km/s) 6.026 1.639
    Velocity Y (km/s) 1.183 -3.902
    Velocity Z (km/s) 4.526 6.363

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3977 CZ-2C R/B
    Semimajor Axis (a) 6840.880 km 6867.650 km
    Eccentricity (e) 0.000126 0.004154
    Inclination (i) 53.1625° 97.5315°
    RAAN 343.9783° 303.5850°
    Perigee Argument 74.4116° 312.4890°
    Mean Anomaly (M) 285.7026° 47.2840°
    Apogee 463.605 km 518.042 km
    Perigee 461.881 km 460.984 km
    Orbit Epoch 2026-10-13T14:56:52+0000 2026-10-14T07:59:32+0000

    STARLINK-3977 & CZ-2C R/B Collision Probability (Pc) Trend

    STARLINK-3977 & CZ-2C R/B Collision Probability (Pc) TrendNot Available

    STARLINK-3977 & CZ-2C R/B Miss Distance (Miss Distance) Trend

    STARLINK-3977 & CZ-2C R/B Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3977Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-2C R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3977Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-2C R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3977

    No nearby objects data