Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.269972E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:07:08+0800
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    1 Object 1

    AOE ID 53002
    NORAD ID 53002
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65370
    NORAD ID 65370
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4121 STARLINK-34870
    Time of Closest Approach 2026-09-06T05:01:33+0000
    Collision Probability (Pc) 1.269972E-6
    Conjunction Distance (km) 2.227 km
    Relative Speed (km/s) 5.879 km/s
    Conjunction Risk Parameters R (Radial): -2.129 | I (In-track): -0.603 | C (Cross-track): 0.248
    Collision Risk Index (CRI) 0.37
    X Position (km) 1500.58 1499.498
    Position Y (km) -4191.658 -4190.572
    Position Z (km) -5204.294 -5202.679
    Velocity X (km/s) 7.375 5.872
    Velocity Y (km/s) 0.267 4.471
    Velocity Z (km/s) 1.912 -1.912

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4121 STARLINK-34870
    Semimajor Axis (a) 6843.364 km 6840.815 km
    Eccentricity (e) 0.000112 0.000288
    Inclination (i) 53.1637° 53.1565°
    RAAN 3.0026° 61.1701°
    Perigee Argument 83.8333° 106.5094°
    Mean Anomaly (M) 276.2796° 253.6224°
    Apogee 465.992 km 464.647 km
    Perigee 464.462 km 460.709 km
    Orbit Epoch 2026-09-03T14:46:24+0000 2026-09-03T11:50:33+0000

    STARLINK-4121 & STARLINK-34870 Collision Probability (Pc) Trend

    STARLINK-4121 & STARLINK-34870 Collision Probability (Pc) TrendNot Available

    STARLINK-4121 & STARLINK-34870 Miss Distance (Miss Distance) Trend

    STARLINK-4121 & STARLINK-34870 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4121Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34870Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4121Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34870Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4121

    No nearby objects data