Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.097909E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:13:17+0800
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    1 Object 1

    AOE ID 48427
    NORAD ID 48427
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 53492
    NORAD ID 53492
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-2C R/B STARLINK-4451
    Time of Closest Approach 2026-09-12T22:08:55+0000
    Collision Probability (Pc) 3.097909E-6
    Conjunction Distance (km) 1.857 km
    Relative Speed (km/s) 12.286 km/s
    Conjunction Risk Parameters R (Radial): 1.834 | I (In-track): -0.184 | C (Cross-track): 0.224
    Collision Risk Index (CRI) 0.45
    X Position (km) 5109.577 5107.979
    Position Y (km) 1881.361 1880.976
    Position Z (km) 3755.101 3754.24
    Velocity X (km/s) -2.289 -3.66
    Velocity Y (km/s) 7.397 -2.676
    Velocity Z (km/s) -0.593 6.306

    Orbital Parameters 国际轨道数据源

    Parameter CZ-2C R/B STARLINK-4451
    Semimajor Axis (a) 6624.102 km 6619.623 km
    Eccentricity (e) 0.000504 0.000379
    Inclination (i) 34.9680° 97.5955°
    RAAN 291.2528° 24.3428°
    Perigee Argument 222.7258° 351.4341°
    Mean Anomaly (M) 137.3092° 8.6877°
    Apogee 249.302 km 243.997 km
    Perigee 242.628 km 238.975 km
    Orbit Epoch 2026-09-11T11:32:54+0000 2026-09-11T22:10:32+0000

    CZ-2C R/B & STARLINK-4451 Collision Probability (Pc) Trend

    CZ-2C R/B & STARLINK-4451 Collision Probability (Pc) TrendNot Available

    CZ-2C R/B & STARLINK-4451 Miss Distance (Miss Distance) Trend

    CZ-2C R/B & STARLINK-4451 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-4451Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-2C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4451Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-2C R/B

    No nearby objects data