Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.646592E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:21:25+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 57642
    NORAD ID 57642
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

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

    Conjunction Constraints

    Parameter STARLINK-30263 QPS-SAR-5 TSUKUYOMI-I
    Time of Closest Approach 2026-09-03T04:43:29+0000
    Collision Probability (Pc) 2.646592E-6
    Conjunction Distance (km) 1.828 km
    Relative Speed (km/s) 8.993 km/s
    Conjunction Risk Parameters R (Radial): 1.79 | I (In-track): 0.308 | C (Cross-track): -0.209
    Collision Risk Index (CRI) 0.43
    X Position (km) 4861.268 4859.768
    Position Y (km) -3939.107 -3938.371
    Position Z (km) 2807.542 2806.803
    Velocity X (km/s) 5.304 2.49
    Velocity Y (km/s) 3.571 5.985
    Velocity Z (km/s) -4.159 4.034

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30263 QPS-SAR-5 TSUKUYOMI-I
    Semimajor Axis (a) 6861.178 km 6871.453 km
    Eccentricity (e) 0.000092 0.002583
    Inclination (i) 43.0029° 42.0090°
    RAAN 177.6682° 295.2311°
    Perigee Argument 281.7381° 83.0959°
    Mean Anomaly (M) 78.3367° 277.2813°
    Apogee 483.675 km 511.066 km
    Perigee 482.407 km 475.566 km
    Orbit Epoch 2026-09-01T19:08:50+0000 2026-09-02T11:15:39+0000

    STARLINK-30263 & QPS-SAR-5 TSUKUYOMI-I Collision Probability (Pc) Trend

    STARLINK-30263 & QPS-SAR-5 TSUKUYOMI-I Collision Probability (Pc) TrendNot Available

    STARLINK-30263 & QPS-SAR-5 TSUKUYOMI-I Miss Distance (Miss Distance) Trend

    STARLINK-30263 & QPS-SAR-5 TSUKUYOMI-I Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30263Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

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

    Object 2 Miss Distance TrendNot Available

    STARLINK-30263Collision Probability Trend

    Object 1 Probability TrendNot Available

    QPS-SAR-5 TSUKUYOMI-ICollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30263

    No nearby objects data