Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.165338E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:12:01+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 66432
    NORAD ID 66432
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-35446
    Time of Closest Approach 2026-09-03T01:29:47+0000
    Collision Probability (Pc) 5.165338E-6
    Conjunction Distance (km) 1.566 km
    Relative Speed (km/s) 12.368 km/s
    Conjunction Risk Parameters R (Radial): -0.241 | I (In-track): -0.899 | C (Cross-track): 1.259
    Collision Risk Index (CRI) 0.49
    X Position (km) -1674.06 -1674.759
    Position Y (km) -4786.243 -4785.01
    Position Z (km) -4626.086 -4626.751
    Velocity X (km/s) -3.01 7.356
    Velocity Y (km/s) -4.283 -1.822
    Velocity Z (km/s) 5.504 -0.778

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-35446
    Semimajor Axis (a) 6821.106 km 6861.164 km
    Eccentricity (e) 0.005568 0.000130
    Inclination (i) 97.9783° 43.0033°
    RAAN 242.7409° 0.0557°
    Perigee Argument 157.7437° 268.4527°
    Mean Anomaly (M) 202.6243° 91.6177°
    Apogee 480.948 km 483.917 km
    Perigee 404.990 km 482.137 km
    Orbit Epoch 2026-09-02T11:39:32+0000 2026-09-01T16:58:22+0000

    CZ-4C R/B & STARLINK-35446 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-35446 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-35446 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-35446 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-35446Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35446Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data