Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.297807E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:45:58+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52913
    NORAD ID 52913
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 68825
    NORAD ID 68825
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-37015
    Time of Closest Approach 2026-10-21T10:41:13+0000
    Collision Probability (Pc) 2.297807E-6
    Conjunction Distance (km) 2.179 km
    Relative Speed (km/s) 14.52 km/s
    Conjunction Risk Parameters R (Radial): 1.563 | I (In-track): 0.474 | C (Cross-track): -1.442
    Collision Risk Index (CRI) 0.42
    X Position (km) -1656.666 -1655.78
    Position Y (km) 2429.225 2430.621
    Position Z (km) 6169.558 6170.977
    Velocity X (km/s) -1.637 5.57
    Velocity Y (km/s) 6.793 -4.178
    Velocity Z (km/s) -3.072 3.133

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-37015
    Semimajor Axis (a) 6836.901 km 6843.695 km
    Eccentricity (e) 0.004227 0.000221
    Inclination (i) 98.0161° 97.2850°
    RAAN 285.2283° 138.4714°
    Perigee Argument 22.2935° 89.5037°
    Mean Anomaly (M) 338.0132° 270.6459°
    Apogee 487.665 km 467.072 km
    Perigee 429.863 km 464.044 km
    Orbit Epoch 2026-10-19T17:32:12+0000 2026-10-20T01:30:51+0000

    CZ-4C R/B & STARLINK-37015 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-37015 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-37015 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-37015 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-37015Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37015Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data