Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.50358E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T04:48:31+0800
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    1 Object 1

    AOE ID 3741
    NORAD ID 3741
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 55634
    NORAD ID 55634
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ATLAS CENTAUR 2 DEB STARLINK-5500
    Time of Closest Approach 2026-09-06T03:26:38+0000
    Collision Probability (Pc) 2.50358E-6
    Conjunction Distance (km) 1.97 km
    Relative Speed (km/s) 11.266 km/s
    Conjunction Risk Parameters R (Radial): -1.933 | I (In-track): 0.255 | C (Cross-track): -0.271
    Collision Risk Index (CRI) 0.43
    X Position (km) 1606.818 1606.717
    Position Y (km) -6518.202 -6516.339
    Position Z (km) 1808.573 1807.942
    Velocity X (km/s) 6.48 3.047
    Velocity Y (km/s) 2.445 -1.154
    Velocity Z (km/s) 3.269 -6.839

    Orbital Parameters 国际轨道数据源

    Parameter ATLAS CENTAUR 2 DEB STARLINK-5500
    Semimajor Axis (a) 7112.869 km 6950.196 km
    Eccentricity (e) 0.023361 0.000273
    Inclination (i) 29.8779° 69.9993°
    RAAN 266.1025° 114.7741°
    Perigee Argument 355.1669° 265.6561°
    Mean Anomaly (M) 4.6691° 94.4286°
    Apogee 900.895 km 573.960 km
    Perigee 568.569 km 570.158 km
    Orbit Epoch 2026-09-04T09:55:07+0000 2026-09-04T01:02:44+0000

    ATLAS CENTAUR 2 DEB & STARLINK-5500 Collision Probability (Pc) Trend

    ATLAS CENTAUR 2 DEB & STARLINK-5500 Collision Probability (Pc) TrendNot Available

    ATLAS CENTAUR 2 DEB & STARLINK-5500 Miss Distance (Miss Distance) Trend

    ATLAS CENTAUR 2 DEB & STARLINK-5500 Miss Distance (Miss Distance) TrendNot Available

    ATLAS CENTAUR 2 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5500Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ATLAS CENTAUR 2 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5500Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ATLAS CENTAUR 2 DEB

    No nearby objects data