Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.18358E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T19:25:00+0800
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    1 Object 1

    Name HAMSAT
    AOE ID 28650
    NORAD ID 28650
    Object Type PAYLOAD
    Country
    IN IN
    VS

    2 Object 2

    AOE ID 53557
    NORAD ID 53557
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HAMSAT STARLINK-4502
    Time of Closest Approach 2026-09-14T05:52:40+0000
    Collision Probability (Pc) 8.18358E-7
    Conjunction Distance (km) 2.961 km
    Relative Speed (km/s) 5.981 km/s
    Conjunction Risk Parameters R (Radial): -1.629 | I (In-track): -2.275 | C (Cross-track): 0.968
    Collision Risk Index (CRI) 0.33
    X Position (km) 1866.831 1865.623
    Position Y (km) -6447.973 -6446.071
    Position Z (km) -1690.192 -1692.113
    Velocity X (km/s) -0.539 4.911
    Velocity Y (km/s) -2.043 -0.092
    Velocity Z (km/s) 7.286 5.787

    Orbital Parameters 国际轨道数据源

    Parameter HAMSAT STARLINK-4502
    Semimajor Axis (a) 6913.287 km 6917.910 km
    Eccentricity (e) 0.002050 0.000108
    Inclination (i) 97.9874° 53.1611°
    RAAN 281.8441° 307.7449°
    Perigee Argument 101.2336° 83.4718°
    Mean Anomaly (M) 259.1197° 276.6396°
    Apogee 549.322 km 540.523 km
    Perigee 520.978 km 539.023 km
    Orbit Epoch 2026-09-12T01:28:13+0000 2026-09-11T20:43:31+0000

    HAMSAT & STARLINK-4502 Collision Probability (Pc) Trend

    HAMSAT & STARLINK-4502 Collision Probability (Pc) TrendNot Available

    HAMSAT & STARLINK-4502 Miss Distance (Miss Distance) Trend

    HAMSAT & STARLINK-4502 Miss Distance (Miss Distance) TrendNot Available

    HAMSATMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4502Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HAMSATCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4502Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HAMSAT

    No nearby objects data