Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.17123E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T08:42:08+0800
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    1 Object 1

    Name HAWK-7A
    AOE ID 56191
    NORAD ID 56191
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58181
    NORAD ID 58181
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HAWK-7A STARLINK-30821
    Time of Closest Approach 2026-09-05T01:03:08+0000
    Collision Probability (Pc) 5.17123E-6
    Conjunction Distance (km) 1.512 km
    Relative Speed (km/s) 10.462 km/s
    Conjunction Risk Parameters R (Radial): -1.188 | I (In-track): 0.675 | C (Cross-track): -0.644
    Collision Risk Index (CRI) 0.49
    X Position (km) 3930.313 3930.271
    Position Y (km) -3325.197 -3325.831
    Position Z (km) 4524.447 4525.818
    Velocity X (km/s) 2.967 5.672
    Velocity Y (km/s) -4.191 4.933
    Velocity Z (km/s) -5.641 -1.296

    Orbital Parameters 国际轨道数据源

    Parameter HAWK-7A STARLINK-30821
    Semimajor Axis (a) 6859.694 km 6861.202 km
    Eccentricity (e) 0.000426 0.000086
    Inclination (i) 97.2586° 43.0014°
    RAAN 132.4185° 214.1707°
    Perigee Argument 115.0960° 330.8451°
    Mean Anomaly (M) 245.0722° 29.2353°
    Apogee 484.477 km 483.655 km
    Perigee 478.637 km 482.475 km
    Orbit Epoch 2026-09-04T02:26:51+0000 2026-09-04T08:54:18+0000

    HAWK-7A & STARLINK-30821 Collision Probability (Pc) Trend

    HAWK-7A & STARLINK-30821 Collision Probability (Pc) TrendNot Available

    HAWK-7A & STARLINK-30821 Miss Distance (Miss Distance) Trend

    HAWK-7A & STARLINK-30821 Miss Distance (Miss Distance) TrendNot Available

    HAWK-7AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30821Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HAWK-7ACollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30821Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HAWK-7A

    No nearby objects data