Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.394713E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T15:49:12+0800
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    1 Object 1

    AOE ID 45754
    NORAD ID 45754
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67475
    NORAD ID 67475
    Object Type ROCKET BODY
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-1477 CZ-2C R/B
    Time of Closest Approach 2026-09-15T02:59:13+0000
    Collision Probability (Pc) 1.394713E-6
    Conjunction Distance (km) 2.714 km
    Relative Speed (km/s) 12.585 km/s
    Conjunction Risk Parameters R (Radial): -2.671 | I (In-track): -0.276 | C (Cross-track): 0.389
    Collision Risk Index (CRI) 0.38
    X Position (km) -3387.761 -3386.028
    Position Y (km) 2455.135 2454.293
    Position Z (km) 5442.521 5440.61
    Velocity X (km/s) -3.638 -3.908
    Velocity Y (km/s) -6.656 4.765
    Velocity Z (km/s) 0.734 -4.544

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1477 CZ-2C R/B
    Semimajor Axis (a) 6873.199 km 6931.860 km
    Eccentricity (e) 0.000263 0.009770
    Inclination (i) 53.0233° 97.1501°
    RAAN 75.8772° 312.4277°
    Perigee Argument 133.3059° 118.2035°
    Mean Anomaly (M) 226.8157° 242.9100°
    Apogee 496.872 km 621.444 km
    Perigee 493.252 km 486.002 km
    Orbit Epoch 2026-09-12T21:05:54+0000 2026-09-12T16:57:30+0000

    STARLINK-1477 & CZ-2C R/B Collision Probability (Pc) Trend

    STARLINK-1477 & CZ-2C R/B Collision Probability (Pc) TrendNot Available

    STARLINK-1477 & CZ-2C R/B Miss Distance (Miss Distance) Trend

    STARLINK-1477 & CZ-2C R/B Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1477Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

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

    Object 2 Miss Distance TrendNot Available

    STARLINK-1477Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-2C R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1477

    No nearby objects data