Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.44577E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:21:25+0800
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    1 Object 1

    AOE ID 58578
    NORAD ID 58578
    Object Type PAYLOAD
    Country
    JP JP
    VS

    2 Object 2

    AOE ID 58675
    NORAD ID 58675
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter QPS-SAR-5 TSUKUYOMI-I STARLINK-31126
    Time of Closest Approach 2026-09-04T21:35:46+0000
    Collision Probability (Pc) 1.44577E-6
    Conjunction Distance (km) 2.391 km
    Relative Speed (km/s) 9.294 km/s
    Conjunction Risk Parameters R (Radial): -2.066 | I (In-track): 0.952 | C (Cross-track): -0.734
    Collision Risk Index (CRI) 0.38
    X Position (km) 3883.08 3882.866
    Position Y (km) -5058.112 -5055.861
    Position Z (km) 2530.729 2529.952
    Velocity X (km/s) 3.794 5.82
    Velocity Y (km/s) 5.073 2.273
    Velocity Z (km/s) 4.253 -4.374

    Orbital Parameters 国际轨道数据源

    Parameter QPS-SAR-5 TSUKUYOMI-I STARLINK-31126
    Semimajor Axis (a) 6871.453 km 6861.198 km
    Eccentricity (e) 0.002583 0.000126
    Inclination (i) 42.0090° 43.0018°
    RAAN 295.2311° 169.8734°
    Perigee Argument 83.0959° 274.7173°
    Mean Anomaly (M) 277.2813° 85.3534°
    Apogee 511.066 km 483.929 km
    Perigee 475.566 km 482.193 km
    Orbit Epoch 2026-09-02T11:15:39+0000 2026-09-01T20:46:06+0000

    QPS-SAR-5 TSUKUYOMI-I & STARLINK-31126 Collision Probability (Pc) Trend

    QPS-SAR-5 TSUKUYOMI-I & STARLINK-31126 Collision Probability (Pc) TrendNot Available

    QPS-SAR-5 TSUKUYOMI-I & STARLINK-31126 Miss Distance (Miss Distance) Trend

    QPS-SAR-5 TSUKUYOMI-I & STARLINK-31126 Miss Distance (Miss Distance) TrendNot Available

    QPS-SAR-5 TSUKUYOMI-IMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31126Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    QPS-SAR-5 TSUKUYOMI-ICollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31126Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with QPS-SAR-5 TSUKUYOMI-I

    No nearby objects data