Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.933562E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T19:28:13+0800
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    1 Object 1

    Name ST5-A
    AOE ID 28980
    NORAD ID 28980
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64460
    NORAD ID 64460
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ST5-A STARLINK-34423
    Time of Closest Approach 2026-09-13T02:27:16+0000
    Collision Probability (Pc) 1.933562E-6
    Conjunction Distance (km) 1.952 km
    Relative Speed (km/s) 7.183 km/s
    Conjunction Risk Parameters R (Radial): 1.668 | I (In-track): -0.943 | C (Cross-track): -0.372
    Collision Risk Index (CRI) 0.41
    X Position (km) -3953.873 -3954.891
    Position Y (km) 5368.307 5369.857
    Position Z (km) -1535.316 -1534.706
    Velocity X (km/s) 2.456 -2.984
    Velocity Y (km/s) 0.423 -3.866
    Velocity Z (km/s) -7.763 -5.867

    Orbital Parameters 国际轨道数据源

    Parameter ST5-A STARLINK-34423
    Semimajor Axis (a) 7959.079 km 6840.833 km
    Eccentricity (e) 0.161300 0.000137
    Inclination (i) 105.5055° 53.1569°
    RAAN 308.7167° 302.3891°
    Perigee Argument 160.9102° 89.5759°
    Mean Anomaly (M) 206.0327° 270.5401°
    Apogee 2864.740 km 463.636 km
    Perigee 297.144 km 461.756 km
    Orbit Epoch 2026-09-12T01:55:34+0000 2026-09-11T19:54:06+0000

    ST5-A & STARLINK-34423 Collision Probability (Pc) Trend

    ST5-A & STARLINK-34423 Collision Probability (Pc) TrendNot Available

    ST5-A & STARLINK-34423 Miss Distance (Miss Distance) Trend

    ST5-A & STARLINK-34423 Miss Distance (Miss Distance) TrendNot Available

    ST5-AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34423Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ST5-ACollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34423Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ST5-A

    No nearby objects data