Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.05452E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T21:06:49+0800
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    1 Object 1

    AOE ID 20763
    NORAD ID 20763
    Object Type ROCKET BODY
    Country
    US US
    VS

    2 Object 2

    AOE ID 63887
    NORAD ID 63887
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DELTA 2 R/B STARLINK-33904
    Time of Closest Approach 2026-09-13T19:08:29+0000
    Collision Probability (Pc) 2.05452E-6
    Conjunction Distance (km) 1.859 km
    Relative Speed (km/s) 6.465 km/s
    Conjunction Risk Parameters R (Radial): 0.816 | I (In-track): 1.511 | C (Cross-track): 0.714
    Collision Risk Index (CRI) 0.41
    X Position (km) -3754.246 -3755.489
    Position Y (km) 5431.29 5431.001
    Position Z (km) 1846.993 1848.345
    Velocity X (km/s) -5.531 -1.13
    Velocity Y (km/s) -4.824 -3.126
    Velocity Z (km/s) 2.444 6.864

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 2 R/B STARLINK-33904
    Semimajor Axis (a) 7057.302 km 6855.140 km
    Eccentricity (e) 0.032686 0.000333
    Inclination (i) 24.7572° 69.9992°
    RAAN 105.1508° 125.5475°
    Perigee Argument 41.6655° 271.8620°
    Mean Anomaly (M) 320.8281° 121.8748°
    Apogee 909.840 km 479.286 km
    Perigee 448.490 km 474.720 km
    Orbit Epoch 2026-09-10T23:54:17+0000 2026-09-11T06:00:02+0000

    DELTA 2 R/B & STARLINK-33904 Collision Probability (Pc) Trend

    DELTA 2 R/B & STARLINK-33904 Collision Probability (Pc) TrendNot Available

    DELTA 2 R/B & STARLINK-33904 Miss Distance (Miss Distance) Trend

    DELTA 2 R/B & STARLINK-33904 Miss Distance (Miss Distance) TrendNot Available

    DELTA 2 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33904Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 2 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33904Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 2 R/B

    No nearby objects data