Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.155571E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:47:00+0800
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    1 Object 1

    AOE ID 52258
    NORAD ID 52258
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 67633
    NORAD ID 67633
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-36637
    Time of Closest Approach 2026-10-21T05:08:22+0000
    Collision Probability (Pc) 2.155571E-6
    Conjunction Distance (km) 1.937 km
    Relative Speed (km/s) 8.284 km/s
    Conjunction Risk Parameters R (Radial): -0.08 | I (In-track): 1.628 | C (Cross-track): 1.048
    Collision Risk Index (CRI) 0.42
    X Position (km) 5722.117 5722.74
    Position Y (km) -1909.13 -1910.15
    Position Z (km) 3260.763 3259.24
    Velocity X (km/s) -3.797 0.092
    Velocity Y (km/s) -0.047 6.653
    Velocity Z (km/s) 6.661 3.729

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-36637
    Semimajor Axis (a) 6933.083 km 6861.160 km
    Eccentricity (e) 0.011153 0.000161
    Inclination (i) 98.2267° 43.0028°
    RAAN 344.8266° 314.2872°
    Perigee Argument 17.5226° 270.1839°
    Mean Anomaly (M) 342.9797° 89.8827°
    Apogee 632.268 km 484.130 km
    Perigee 477.624 km 481.916 km
    Orbit Epoch 2026-10-20T01:52:08+0000 2026-10-19T18:25:25+0000

    CZ-4C R/B & STARLINK-36637 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-36637 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-36637 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-36637 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-36637Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36637Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data