Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.643001E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T01:34:17+0800
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    1 Object 1

    Name USA 15
    AOE ID 16591
    NORAD ID 16591
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61786
    NORAD ID 61786
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter USA 15 OBJECT BD
    Time of Closest Approach 2026-10-14T14:26:44+0000
    Collision Probability (Pc) 1.643001E-6
    Conjunction Distance (km) 2.43 km
    Relative Speed (km/s) 12.136 km/s
    Conjunction Risk Parameters R (Radial): -1.974 | I (In-track): -0.907 | C (Cross-track): 1.088
    Collision Risk Index (CRI) 0.39
    X Position (km) 3049.706 3047.767
    Position Y (km) -98.33 -99.099
    Position Z (km) 6046.42 6045.174
    Velocity X (km/s) 0.651 6.501
    Velocity Y (km/s) 7.86 -2.369
    Velocity Z (km/s) -0.412 -3.314

    Orbital Parameters 国际轨道数据源

    Parameter USA 15 OBJECT BD
    Semimajor Axis (a) 7211.654 km 6778.233 km
    Eccentricity (e) 0.064441 0.000599
    Inclination (i) 63.3049° 97.2705°
    RAAN 270.6440° 161.0997°
    Perigee Argument 115.1031° 201.2964°
    Mean Anomaly (M) 251.8309° 158.8043°
    Apogee 1298.246 km 404.154 km
    Perigee 368.788 km 396.038 km
    Orbit Epoch 2026-10-12T06:09:51+0000 2026-10-12T06:22:42+0000

    USA 15 & OBJECT BD Collision Probability (Pc) Trend

    USA 15 & OBJECT BD Collision Probability (Pc) TrendNot Available

    USA 15 & OBJECT BD Miss Distance (Miss Distance) Trend

    USA 15 & OBJECT BD Miss Distance (Miss Distance) TrendNot Available

    USA 15Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT BDMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 15Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT BDCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 15

    No nearby objects data