Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.503119E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T15:38:25+0800
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    1 Object 1

    AOE ID 57655
    NORAD ID 57655
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 69028
    NORAD ID 69028
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-37634
    Time of Closest Approach 2026-10-21T10:47:49+0000
    Collision Probability (Pc) 3.503119E-6
    Conjunction Distance (km) 1.848 km
    Relative Speed (km/s) 14.563 km/s
    Conjunction Risk Parameters R (Radial): -1.73 | I (In-track): 0.188 | C (Cross-track): 0.617
    Collision Risk Index (CRI) 0.46
    X Position (km) -2060.22 -2061.218
    Position Y (km) 2238.458 2238.59
    Position Z (km) 6119.536 6121.085
    Velocity X (km/s) -2.653 6.042
    Velocity Y (km/s) 6.395 -3.35
    Velocity Z (km/s) -3.19 3.252

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-37634
    Semimajor Axis (a) 6818.133 km 6843.670 km
    Eccentricity (e) 0.005324 0.000229
    Inclination (i) 97.9799° 97.2851°
    RAAN 294.3678° 145.6727°
    Perigee Argument 353.3345° 91.2873°
    Mean Anomaly (M) 6.7185° 268.8632°
    Apogee 476.295 km 467.100 km
    Perigee 403.697 km 463.966 km
    Orbit Epoch 2026-10-19T17:48:38+0000 2026-10-19T13:06:03+0000

    CZ-4C R/B & STARLINK-37634 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-37634 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-37634 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-37634 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-37634Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37634Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data