Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.417248E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T21:41:01+0800
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    1 Object 1

    AOE ID 39475
    NORAD ID 39475
    Object Type ROCKET BODY
    Country
    US US
    VS

    2 Object 2

    AOE ID 58186
    NORAD ID 58186
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ATLAS 5 CENTAUR R/B STARLINK-30755
    Time of Closest Approach 2026-09-05T15:36:11+0000
    Collision Probability (Pc) 1.417248E-6
    Conjunction Distance (km) 2.859 km
    Relative Speed (km/s) 14.686 km/s
    Conjunction Risk Parameters R (Radial): 1.824 | I (In-track): 0.63 | C (Cross-track): -2.109
    Collision Risk Index (CRI) 0.38
    X Position (km) -270.852 -272.14
    Position Y (km) 5213.773 5216.313
    Position Z (km) -4452.987 -4452.744
    Velocity X (km/s) 4.909 -7.242
    Velocity Y (km/s) 3.901 -1.742
    Velocity Z (km/s) 4.414 -1.599

    Orbital Parameters 国际轨道数据源

    Parameter ATLAS 5 CENTAUR R/B STARLINK-30755
    Semimajor Axis (a) 6949.297 km 6861.171 km
    Eccentricity (e) 0.017862 0.000112
    Inclination (i) 120.4331° 43.0041°
    RAAN 56.6762° 214.8450°
    Perigee Argument 352.0894° 266.1561°
    Mean Anomaly (M) 7.7371° 93.9163°
    Apogee 695.289 km 483.801 km
    Perigee 447.031 km 482.267 km
    Orbit Epoch 2026-09-03T23:47:03+0000 2026-09-04T05:33:01+0000

    ATLAS 5 CENTAUR R/B & STARLINK-30755 Collision Probability (Pc) Trend

    ATLAS 5 CENTAUR R/B & STARLINK-30755 Collision Probability (Pc) TrendNot Available

    ATLAS 5 CENTAUR R/B & STARLINK-30755 Miss Distance (Miss Distance) Trend

    ATLAS 5 CENTAUR R/B & STARLINK-30755 Miss Distance (Miss Distance) TrendNot Available

    ATLAS 5 CENTAUR R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30755Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ATLAS 5 CENTAUR R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30755Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ATLAS 5 CENTAUR R/B

    No nearby objects data