Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.25877E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T06:51:43+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 69147
    NORAD ID 69147
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ATLAS 28E DEB STARLINK-37661
    Time of Closest Approach 2026-09-10T07:30:05+0000
    Collision Probability (Pc) 3.25877E-5
    Conjunction Distance (km) 0.953 km
    Relative Speed (km/s) 15.192 km/s
    Conjunction Risk Parameters R (Radial): 0.953 | I (In-track): 0.015 | C (Cross-track): -0.027
    Collision Risk Index (CRI) 0.65
    X Position (km) -728.23 -728.101
    Position Y (km) -4883.632 -4882.964
    Position Z (km) -4751.197 -4750.53
    Velocity X (km/s) -0.673 -0.559
    Velocity Y (km/s) -5.252 5.341
    Velocity Z (km/s) 5.479 -5.409

    Orbital Parameters 国际轨道数据源

    Parameter ATLAS 28E DEB STARLINK-37661
    Semimajor Axis (a) 6842.680 km 6843.678 km
    Eccentricity (e) 0.002386 0.000204
    Inclination (i) 89.4104° 97.2829°
    RAAN 262.1903° 87.7762°
    Perigee Argument 220.9670° 91.5686°
    Mean Anomaly (M) 138.9792° 268.5791°
    Apogee 480.869 km 466.938 km
    Perigee 448.217 km 464.144 km
    Orbit Epoch 2026-09-09T00:22:34+0000 2026-09-09T11:44:00+0000

    ATLAS 28E DEB & STARLINK-37661 Collision Probability (Pc) Trend

    ATLAS 28E DEB & STARLINK-37661 Collision Probability (Pc) TrendNot Available

    ATLAS 28E DEB & STARLINK-37661 Miss Distance (Miss Distance) Trend

    ATLAS 28E DEB & STARLINK-37661 Miss Distance (Miss Distance) TrendNot Available

    ATLAS 28E DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37661Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ATLAS 28E DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37661Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ATLAS 28E DEB

    No nearby objects data