Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.264773E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-29T14:58:58+0800
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    1 Object 1

    AOE ID 63122
    NORAD ID 63122
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66748
    NORAD ID 66748
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-32961 UMBRA-11
    Time of Closest Approach 2026-08-29T09:33:04+0000
    Collision Probability (Pc) 3.264773E-6
    Conjunction Distance (km) 1.884 km
    Relative Speed (km/s) 14.206 km/s
    Conjunction Risk Parameters R (Radial): -1.621 | I (In-track): -0.342 | C (Cross-track): -0.896
    Collision Risk Index (CRI) 0.45
    X Position (km) 4857.057 4855.242
    Position Y (km) -4348.527 -4348.024
    Position Z (km) -2144.542 -2144.483
    Velocity X (km/s) 2.784 1.062
    Velocity Y (km/s) 5.384 -2.34
    Velocity Z (km/s) -4.623 7.175

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-32961 UMBRA-11
    Semimajor Axis (a) 6861.214 km 6855.818 km
    Eccentricity (e) 0.000096 0.000334
    Inclination (i) 42.9956° 97.4152°
    RAAN 121.3943° 314.4624°
    Perigee Argument 290.4668° 88.7787°
    Mean Anomaly (M) 69.6080° 271.3836°
    Apogee 483.735 km 479.974 km
    Perigee 482.419 km 475.388 km
    Orbit Epoch 2026-08-28T16:57:20+0000 2026-08-28T03:47:47+0000

    STARLINK-32961 & UMBRA-11 Collision Probability (Pc) Trend

    STARLINK-32961 & UMBRA-11 Collision Probability (Pc) TrendNot Available

    STARLINK-32961 & UMBRA-11 Miss Distance (Miss Distance) Trend

    STARLINK-32961 & UMBRA-11 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-32961Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    UMBRA-11Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-32961Collision Probability Trend

    Object 1 Probability TrendNot Available

    UMBRA-11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-32961

    No nearby objects data