Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.310147E-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 2026-09-14T04:17:10+0000
    Collision Probability (Pc) 9.310147E-7
    Conjunction Distance (km) 2.679 km
    Relative Speed (km/s) 5.991 km/s
    Conjunction Risk Parameters R (Radial): -1.778 | I (In-track): 1.841 | C (Cross-track): -0.79
    Collision Risk Index (CRI) 0.34
    X Position (km) 1862.524 1862.679
    Position Y (km) -6436.913 -6435.582
    Position Z (km) -1737.223 -1734.903
    Velocity X (km/s) -0.527 4.928
    Velocity Y (km/s) -2.093 -0.124
    Velocity Z (km/s) 7.272 5.772

    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