Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.304734E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-02T16:16:57+0800
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    1 Object 1

    Name USA 120
    AOE ID 23907
    NORAD ID 23907
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 40230
    NORAD ID 40230
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter USA 120 COSMOS 2251 DEB
    Time of Closest Approach 2026-09-02T14:33:42+0000
    Collision Probability (Pc) 5.304734E-6
    Conjunction Distance (km) 1.516 km
    Relative Speed (km/s) 11.006 km/s
    Conjunction Risk Parameters R (Radial): 0.8 | I (In-track): -0.9 | C (Cross-track): -0.92
    Collision Risk Index (CRI) 0.49
    X Position (km) -1803.338 -1802.539
    Position Y (km) 3365.251 3366.425
    Position Z (km) 5967.778 5968.306
    Velocity X (km/s) -7.454 -0.807
    Velocity Y (km/s) 0.382 -6.607
    Velocity Z (km/s) -1.831 3.469

    Orbital Parameters 国际轨道数据源

    Parameter USA 120 COSMOS 2251 DEB
    Semimajor Axis (a) 7462.764 km 7101.934 km
    Eccentricity (e) 0.085287 0.001667
    Inclination (i) 63.3208° 74.0425°
    RAAN 352.3741° 93.5561°
    Perigee Argument 51.0500° 89.1111°
    Mean Anomaly (M) 316.3442° 301.1911°
    Apogee 1721.103 km 735.633 km
    Perigee 448.151 km 711.961 km
    Orbit Epoch 2026-09-01T16:42:36+0000 2026-09-01T13:35:28+0000

    USA 120 & COSMOS 2251 DEB Collision Probability (Pc) Trend

    USA 120 & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    USA 120 & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    USA 120 & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    USA 120Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 120Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 120

    No nearby objects data