Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.569453E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T19:45:22+0800
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    1 Object 1

    AOE ID 20575
    NORAD ID 20575
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55923
    NORAD ID 55923
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ATLAS 28E DEB STARLINK-5854
    Time of Closest Approach 2026-10-22T01:26:49+0000
    Collision Probability (Pc) 4.569453E-5
    Conjunction Distance (km) 0.852 km
    Relative Speed (km/s) 14.418 km/s
    Conjunction Risk Parameters R (Radial): 0.369 | I (In-track): 0.242 | C (Cross-track): 0.729
    Collision Risk Index (CRI) 0.68
    X Position (km) -2279.654 -2280.489
    Position Y (km) 3317.032 3316.964
    Position Z (km) 5660.569 5660.726
    Velocity X (km/s) -3.43 -0.861
    Velocity Y (km/s) 5.127 -6.641
    Velocity Z (km/s) -4.384 3.538

    Orbital Parameters 国际轨道数据源

    Parameter ATLAS 28E DEB STARLINK-5854
    Semimajor Axis (a) 6937.356 km 6950.188 km
    Eccentricity (e) 0.002125 0.000260
    Inclination (i) 90.3365° 69.9987°
    RAAN 303.9491° 96.7533°
    Perigee Argument 286.5873° 271.3854°
    Mean Anomaly (M) 73.3029° 88.7008°
    Apogee 573.964 km 573.856 km
    Perigee 544.474 km 570.246 km
    Orbit Epoch 2026-10-20T07:19:49+0000 2026-10-20T20:20:21+0000

    ATLAS 28E DEB & STARLINK-5854 Collision Probability (Pc) Trend

    ATLAS 28E DEB & STARLINK-5854 Collision Probability (Pc) TrendNot Available

    ATLAS 28E DEB & STARLINK-5854 Miss Distance (Miss Distance) Trend

    ATLAS 28E DEB & STARLINK-5854 Miss Distance (Miss Distance) TrendNot Available

    ATLAS 28E DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5854Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ATLAS 28E DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5854Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ATLAS 28E DEB

    No nearby objects data