Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.367763E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T09:34:25+0800
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    1 Object 1

    AOE ID 62651
    NORAD ID 62651
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64613
    NORAD ID 64613
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FLOCK 4G 21 STARLINK-34500
    Time of Closest Approach 2026-09-07T08:06:16+0000
    Collision Probability (Pc) 1.367763E-6
    Conjunction Distance (km) 2.813 km
    Relative Speed (km/s) 13.296 km/s
    Conjunction Risk Parameters R (Radial): 2.49 | I (In-track): 0.649 | C (Cross-track): 1.137
    Collision Risk Index (CRI) 0.38
    X Position (km) -3523.773 -3525.096
    Position Y (km) 2570.24 2569.989
    Position Z (km) -5273.507 -5275.977
    Velocity X (km/s) 5.555 -5.83
    Velocity Y (km/s) -2.146 -4.632
    Velocity Z (km/s) -4.761 1.64

    Orbital Parameters 国际轨道数据源

    Parameter FLOCK 4G 21 STARLINK-34500
    Semimajor Axis (a) 6835.309 km 6840.855 km
    Eccentricity (e) 0.000239 0.000098
    Inclination (i) 97.3944° 53.1573°
    RAAN 330.0711° 223.5302°
    Perigee Argument 70.6173° 87.3213°
    Mean Anomaly (M) 289.5329° 272.7902°
    Apogee 458.805 km 463.388 km
    Perigee 455.539 km 462.048 km
    Orbit Epoch 2026-09-04T11:53:11+0000 2026-09-04T05:23:40+0000

    FLOCK 4G 21 & STARLINK-34500 Collision Probability (Pc) Trend

    FLOCK 4G 21 & STARLINK-34500 Collision Probability (Pc) TrendNot Available

    FLOCK 4G 21 & STARLINK-34500 Miss Distance (Miss Distance) Trend

    FLOCK 4G 21 & STARLINK-34500 Miss Distance (Miss Distance) TrendNot Available

    FLOCK 4G 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34500Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FLOCK 4G 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34500Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FLOCK 4G 21

    No nearby objects data