Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.063729E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:06:53+0800
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    1 Object 1

    AOE ID 40978
    NORAD ID 40978
    Object Type ROCKET BODY
    Country
    US US
    VS

    2 Object 2

    AOE ID 65331
    NORAD ID 65331
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ATLAS 5 CENTAUR R/B STARLINK-34918
    Time of Closest Approach 2026-09-03T08:18:15+0000
    Collision Probability (Pc) 2.063729E-6
    Conjunction Distance (km) 2.204 km
    Relative Speed (km/s) 12.714 km/s
    Conjunction Risk Parameters R (Radial): 1.175 | I (In-track): -1.024 | C (Cross-track): 1.558
    Collision Risk Index (CRI) 0.41
    X Position (km) -853.067 -855.061
    Position Y (km) -6280.52 -6281.421
    Position Z (km) 2584.245 2584.51
    Velocity X (km/s) 3.849 4.599
    Velocity Y (km/s) 2.08 -2.851
    Velocity Z (km/s) 6.31 -5.385

    Orbital Parameters 国际轨道数据源

    Parameter ATLAS 5 CENTAUR R/B STARLINK-34918
    Semimajor Axis (a) 6926.465 km 6848.844 km
    Eccentricity (e) 0.011613 0.000128
    Inclination (i) 64.7653° 53.1587°
    RAAN 254.5722° 106.8599°
    Perigee Argument 23.4073° 87.7925°
    Mean Anomaly (M) 337.2272° 272.3223°
    Apogee 628.768 km 471.585 km
    Perigee 467.888 km 469.829 km
    Orbit Epoch 2026-09-02T06:41:55+0000 2026-09-01T21:11:35+0000

    ATLAS 5 CENTAUR R/B & STARLINK-34918 Collision Probability (Pc) Trend

    ATLAS 5 CENTAUR R/B & STARLINK-34918 Collision Probability (Pc) TrendNot Available

    ATLAS 5 CENTAUR R/B & STARLINK-34918 Miss Distance (Miss Distance) Trend

    ATLAS 5 CENTAUR R/B & STARLINK-34918 Miss Distance (Miss Distance) TrendNot Available

    ATLAS 5 CENTAUR R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34918Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ATLAS 5 CENTAUR R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34918Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ATLAS 5 CENTAUR R/B

    No nearby objects data