Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.666863E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:24:34+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 56129
    NORAD ID 56129
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63412
    NORAD ID 63412
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-6121 STARLINK-33645
    Time of Closest Approach 2026-09-05T02:29:29+0000
    Collision Probability (Pc) 4.666863E-7
    Conjunction Distance (km) 2.586 km
    Relative Speed (km/s) 1.316 km/s
    Conjunction Risk Parameters R (Radial): 0.653 | I (In-track): 2.492 | C (Cross-track): 0.219
    Collision Risk Index (CRI) 0.28
    X Position (km) 894.115 896.491
    Position Y (km) 4960.312 4959.395
    Position Z (km) -4659.244 -4658.802
    Velocity X (km/s) -7.39 -7.548
    Velocity Y (km/s) 1.785 0.909
    Velocity Z (km/s) 0.483 -0.485

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-6121 STARLINK-33645
    Semimajor Axis (a) 6861.202 km 6861.151 km
    Eccentricity (e) 0.000102 0.000163
    Inclination (i) 43.0009° 43.0031°
    RAAN 179.4225° 191.3638°
    Perigee Argument 267.8480° 264.8835°
    Mean Anomaly (M) 92.2255° 95.1830°
    Apogee 483.764 km 484.136 km
    Perigee 482.366 km 481.892 km
    Orbit Epoch 2026-09-02T02:40:29+0000 2026-09-02T13:42:29+0000

    STARLINK-6121 & STARLINK-33645 Collision Probability (Pc) Trend

    STARLINK-6121 & STARLINK-33645 Collision Probability (Pc) TrendNot Available

    STARLINK-6121 & STARLINK-33645 Miss Distance (Miss Distance) Trend

    STARLINK-6121 & STARLINK-33645 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-6121Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33645Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-6121Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33645Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-6121

    No nearby objects data