Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.359749E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:28:04+0800
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    1 Object 1

    AOE ID 29110
    NORAD ID 29110
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 50849
    NORAD ID 50849
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DELTA 2 DEB (DPAF) STARLINK-3311
    Time of Closest Approach 2026-09-04T17:13:54+0000
    Collision Probability (Pc) 1.359749E-6
    Conjunction Distance (km) 2.71 km
    Relative Speed (km/s) 11.998 km/s
    Conjunction Risk Parameters R (Radial): 2.558 | I (In-track): -0.542 | C (Cross-track): -0.71
    Collision Risk Index (CRI) 0.38
    X Position (km) 4073.472 4075.48
    Position Y (km) -505.985 -506.797
    Position Z (km) -5476.246 -5477.874
    Velocity X (km/s) -6.099 0.922
    Velocity Y (km/s) -1.096 7.568
    Velocity Z (km/s) -4.439 -0.015

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 2 DEB (DPAF) STARLINK-3311
    Semimajor Axis (a) 6833.270 km 6840.887 km
    Eccentricity (e) 0.000586 0.000108
    Inclination (i) 98.3223° 53.1600°
    RAAN 183.1024° 88.5436°
    Perigee Argument 76.6368° 102.9105°
    Mean Anomaly (M) 283.5526° 257.2018°
    Apogee 459.138 km 463.487 km
    Perigee 451.128 km 462.013 km
    Orbit Epoch 2026-09-03T18:20:34+0000 2026-09-03T13:29:05+0000

    DELTA 2 DEB (DPAF) & STARLINK-3311 Collision Probability (Pc) Trend

    DELTA 2 DEB (DPAF) & STARLINK-3311 Collision Probability (Pc) TrendNot Available

    DELTA 2 DEB (DPAF) & STARLINK-3311 Miss Distance (Miss Distance) Trend

    DELTA 2 DEB (DPAF) & STARLINK-3311 Miss Distance (Miss Distance) TrendNot Available

    DELTA 2 DEB (DPAF)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3311Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 2 DEB (DPAF)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3311Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 2 DEB (DPAF)

    No nearby objects data