Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.476349E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:49:13+0800
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    1 Object 1

    Name DRUMS
    AOE ID 49401
    NORAD ID 49401
    Object Type PAYLOAD
    Country
    JP JP
    VS

    2 Object 2

    AOE ID 53190
    NORAD ID 53190
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DRUMS STARLINK-4332
    Time of Closest Approach 2026-09-03T08:31:21+0000
    Collision Probability (Pc) 2.476349E-6
    Conjunction Distance (km) 1.454 km
    Relative Speed (km/s) 2.763 km/s
    Conjunction Risk Parameters R (Radial): 1.351 | I (In-track): 0.527 | C (Cross-track): 0.103
    Collision Risk Index (CRI) 0.43
    X Position (km) 831.454 831.096
    Position Y (km) 318.704 319.141
    Position Z (km) -6824.715 -6823.375
    Velocity X (km/s) 1.511 4.053
    Velocity Y (km/s) -7.449 -6.426
    Velocity Z (km/s) -0.155 0.193

    Orbital Parameters 国际轨道数据源

    Parameter DRUMS STARLINK-4332
    Semimajor Axis (a) 6880.565 km 6873.114 km
    Eccentricity (e) 0.001376 0.000118
    Inclination (i) 97.3243° 97.2830°
    RAAN 280.0504° 301.7561°
    Perigee Argument 328.9499° 102.3109°
    Mean Anomaly (M) 31.0923° 355.6001°
    Apogee 511.898 km 495.790 km
    Perigee 492.958 km 494.164 km
    Orbit Epoch 2026-09-02T01:20:48+0000 2026-09-02T16:00:02+0000

    DRUMS & STARLINK-4332 Collision Probability (Pc) Trend

    DRUMS & STARLINK-4332 Collision Probability (Pc) TrendNot Available

    DRUMS & STARLINK-4332 Miss Distance (Miss Distance) Trend

    DRUMS & STARLINK-4332 Miss Distance (Miss Distance) TrendNot Available

    DRUMSMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4332Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DRUMSCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4332Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DRUMS

    No nearby objects data