Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.342424E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T12:57:49+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 60259
    NORAD ID 60259
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter USA 55 STARLINK-32207
    Time of Closest Approach 2026-10-30T01:44:10+0000
    Collision Probability (Pc) 1.342424E-6
    Conjunction Distance (km) 2.978 km
    Relative Speed (km/s) 14.632 km/s
    Conjunction Risk Parameters R (Radial): -1.77 | I (In-track): -0.668 | C (Cross-track): -2.299
    Collision Risk Index (CRI) 0.38
    X Position (km) 5279.259 5279.343
    Position Y (km) 4349.495 4346.655
    Position Z (km) -233.144 -232.253
    Velocity X (km/s) 0.14 -2.755
    Velocity Y (km/s) -0.591 3.662
    Velocity Z (km/s) -7.591 6.107

    Orbital Parameters 国际轨道数据源

    Parameter USA 55 STARLINK-32207
    Semimajor Axis (a) 6808.281 km 6841.057 km
    Eccentricity (e) 0.005270 0.000075
    Inclination (i) 94.1022° 53.1599°
    RAAN 218.3962° 51.2779°
    Perigee Argument 345.3457° 116.2049°
    Mean Anomaly (M) 14.6268° 243.9031°
    Apogee 466.026 km 463.436 km
    Perigee 394.262 km 462.404 km
    Orbit Epoch 2026-10-27T21:40:00+0000 2026-10-27T20:35:39+0000

    USA 55 & STARLINK-32207 Collision Probability (Pc) Trend

    USA 55 & STARLINK-32207 Collision Probability (Pc) TrendNot Available

    USA 55 & STARLINK-32207 Miss Distance (Miss Distance) Trend

    USA 55 & STARLINK-32207 Miss Distance (Miss Distance) TrendNot Available

    USA 55Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32207Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 55Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32207Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 55

    No nearby objects data