Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.334646E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T17:15:28+0800
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    1 Object 1

    AOE ID 52682
    NORAD ID 52682
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    Name BRO-21
    AOE ID 69007
    NORAD ID 69007
    Object Type PAYLOAD
    Country
    FR FR

    Conjunction Constraints

    Parameter STARLINK-4017 BRO-21
    Time of Closest Approach 2026-09-13T08:22:47+0000
    Collision Probability (Pc) 1.334646E-5
    Conjunction Distance (km) 1.206 km
    Relative Speed (km/s) 13.641 km/s
    Conjunction Risk Parameters R (Radial): -1.089 | I (In-track): -0.216 | C (Cross-track): -0.469
    Collision Risk Index (CRI) 0.58
    X Position (km) 3760.945 3761.6
    Position Y (km) -2682.049 -2682.002
    Position Z (km) -5109.414 -5110.425
    Velocity X (km/s) 6.001 -5.346
    Velocity Y (km/s) 4.07 2.021
    Velocity Z (km/s) 2.282 -5.007

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4017 BRO-21
    Semimajor Axis (a) 6882.380 km 6878.327 km
    Eccentricity (e) 0.000205 0.000947
    Inclination (i) 53.1614° 97.3922°
    RAAN 25.9374° 151.1124°
    Perigee Argument 102.7267° 107.7157°
    Mean Anomaly (M) 192.6786° 252.5114°
    Apogee 505.656 km 506.706 km
    Perigee 502.830 km 493.674 km
    Orbit Epoch 2026-09-12T04:00:02+0000 2026-09-11T15:55:48+0000

    STARLINK-4017 & BRO-21 Collision Probability (Pc) Trend

    STARLINK-4017 & BRO-21 Collision Probability (Pc) TrendNot Available

    STARLINK-4017 & BRO-21 Miss Distance (Miss Distance) Trend

    STARLINK-4017 & BRO-21 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4017Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    BRO-21Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4017Collision Probability Trend

    Object 1 Probability TrendNot Available

    BRO-21Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4017

    No nearby objects data