Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.997922E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T07:51:00+0800
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    1 Object 1

    Name USA 55
    AOE ID 20547
    NORAD ID 20547
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67713
    NORAD ID 67713
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter USA 55 STARLINK-36708
    Time of Closest Approach 2026-10-29T06:52:51+0000
    Collision Probability (Pc) 1.997922E-6
    Conjunction Distance (km) 2.351 km
    Relative Speed (km/s) 15.1 km/s
    Conjunction Risk Parameters R (Radial): -1.969 | I (In-track): 0.18 | C (Cross-track): 1.271
    Collision Risk Index (CRI) 0.41
    X Position (km) 3494.743 3494.842
    Position Y (km) 3298.469 3300.326
    Position Z (km) 4863.298 4864.736
    Velocity X (km/s) 4.466 -2.943
    Velocity Y (km/s) 3.149 -4.674
    Velocity Z (km/s) -5.307 5.271

    Orbital Parameters 国际轨道数据源

    Parameter USA 55 STARLINK-36708
    Semimajor Axis (a) 6808.327 km 6843.646 km
    Eccentricity (e) 0.005306 0.000095
    Inclination (i) 94.1021° 97.2839°
    RAAN 217.4430° 47.8313°
    Perigee Argument 351.9158° 99.6359°
    Mean Anomaly (M) 8.1237° 260.4991°
    Apogee 466.319 km 466.158 km
    Perigee 394.061 km 464.860 km
    Orbit Epoch 2026-10-26T05:15:41+0000 2026-10-26T06:38:37+0000

    USA 55 & STARLINK-36708 Collision Probability (Pc) Trend

    USA 55 & STARLINK-36708 Collision Probability (Pc) TrendNot Available

    USA 55 & STARLINK-36708 Miss Distance (Miss Distance) Trend

    USA 55 & STARLINK-36708 Miss Distance (Miss Distance) TrendNot Available

    USA 55Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36708Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 55Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36708Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 55

    No nearby objects data