Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.451106E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-26T21:46:19+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 20576
    NORAD ID 20576
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59025
    NORAD ID 59025
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ATLAS 28E DEB STARLINK-31178
    Time of Closest Approach 2026-10-26T14:27:13+0000
    Collision Probability (Pc) 1.451106E-6
    Conjunction Distance (km) 2.526 km
    Relative Speed (km/s) 11.058 km/s
    Conjunction Risk Parameters R (Radial): 1.954 | I (In-track): -1.101 | C (Cross-track): 1.162
    Collision Risk Index (CRI) 0.38
    X Position (km) 966.326 964.752
    Position Y (km) 4940.999 4939.096
    Position Z (km) -4667.291 -4666.757
    Velocity X (km/s) -1.095 -7.39
    Velocity Y (km/s) -5.049 1.81
    Velocity Z (km/s) -5.579 0.387

    Orbital Parameters 国际轨道数据源

    Parameter ATLAS 28E DEB STARLINK-31178
    Semimajor Axis (a) 6839.108 km 6861.238 km
    Eccentricity (e) 0.002841 0.000228
    Inclination (i) 89.4149° 43.0094°
    RAAN 258.4931° 166.7166°
    Perigee Argument 52.5160° 241.7584°
    Mean Anomaly (M) 307.8670° 118.3038°
    Apogee 480.399 km 484.665 km
    Perigee 441.543 km 481.537 km
    Orbit Epoch 2026-10-25T07:45:35+0000 2026-10-25T23:08:05+0000

    ATLAS 28E DEB & STARLINK-31178 Collision Probability (Pc) Trend

    ATLAS 28E DEB & STARLINK-31178 Collision Probability (Pc) TrendNot Available

    ATLAS 28E DEB & STARLINK-31178 Miss Distance (Miss Distance) Trend

    ATLAS 28E DEB & STARLINK-31178 Miss Distance (Miss Distance) TrendNot Available

    ATLAS 28E DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31178Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ATLAS 28E DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31178Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ATLAS 28E DEB

    No nearby objects data