Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.351657E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-09T09:33:08+0800
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    1 Object 1

    AOE ID 12497
    NORAD ID 12497
    Object Type ROCKET BODY
    Country
    US US
    VS

    2 Object 2

    AOE ID 62228
    NORAD ID 62228
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ATLAS CENTAUR R/B STARLINK-11476
    Time of Closest Approach 2026-09-09T04:48:43+0000
    Collision Probability (Pc) 2.351657E-6
    Conjunction Distance (km) 1.624 km
    Relative Speed (km/s) 4.383 km/s
    Conjunction Risk Parameters R (Radial): -1.369 | I (In-track): 0.856 | C (Cross-track): -0.168
    Collision Risk Index (CRI) 0.42
    X Position (km) -310.863 -310.544
    Position Y (km) 6703.671 6704.986
    Position Z (km) 566.545 567.442
    Velocity X (km/s) -8.072 -4.649
    Velocity Y (km/s) -0.607 0.311
    Velocity Z (km/s) -3.547 -6.126

    Orbital Parameters 国际轨道数据源

    Parameter ATLAS CENTAUR R/B STARLINK-11476
    Semimajor Axis (a) 9893.746 km 6737.513 km
    Eccentricity (e) 0.324209 0.000160
    Inclination (i) 23.9361° 53.1567°
    RAAN 285.9762° 280.2063°
    Perigee Argument 178.0977° 134.9441°
    Mean Anomaly (M) 183.5899° 225.1706°
    Apogee 6723.247 km 360.453 km
    Perigee 307.971 km 358.299 km
    Orbit Epoch 2026-09-08T05:46:02+0000 2026-09-08T09:44:27+0000

    ATLAS CENTAUR R/B & STARLINK-11476 Collision Probability (Pc) Trend

    ATLAS CENTAUR R/B & STARLINK-11476 Collision Probability (Pc) TrendNot Available

    ATLAS CENTAUR R/B & STARLINK-11476 Miss Distance (Miss Distance) Trend

    ATLAS CENTAUR R/B & STARLINK-11476 Miss Distance (Miss Distance) TrendNot Available

    ATLAS CENTAUR R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11476Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ATLAS CENTAUR R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11476Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ATLAS CENTAUR R/B

    No nearby objects data