Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.354288E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T17:00:33+0800
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    1 Object 1

    Name USA 74
    AOE ID 21799
    NORAD ID 21799
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64015
    NORAD ID 64015
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter USA 74 STARLINK-34093
    Time of Closest Approach 2026-10-30T13:02:18+0000
    Collision Probability (Pc) 2.354288E-6
    Conjunction Distance (km) 1.592 km
    Relative Speed (km/s) 3.995 km/s
    Conjunction Risk Parameters R (Radial): 1.175 | I (In-track): 1.049 | C (Cross-track): -0.233
    Collision Risk Index (CRI) 0.42
    X Position (km) -5275.369 -5276.145
    Position Y (km) 2000.613 2000.086
    Position Z (km) 3894.199 3895.485
    Velocity X (km/s) 2.286 -0.543
    Velocity Y (km/s) -5.476 -7.044
    Velocity Z (km/s) 5.219 2.874

    Orbital Parameters 国际轨道数据源

    Parameter USA 74 STARLINK-34093
    Semimajor Axis (a) 7402.957 km 6861.159 km
    Eccentricity (e) 0.088049 0.000182
    Inclination (i) 63.2912° 43.0015°
    RAAN 140.5010° 115.1899°
    Perigee Argument 75.8699° 270.3120°
    Mean Anomaly (M) 293.8475° 89.7523°
    Apogee 1676.640 km 484.274 km
    Perigee 373.000 km 481.770 km
    Orbit Epoch 2026-10-29T22:46:41+0000 2026-10-29T21:06:00+0000

    USA 74 & STARLINK-34093 Collision Probability (Pc) Trend

    USA 74 & STARLINK-34093 Collision Probability (Pc) TrendNot Available

    USA 74 & STARLINK-34093 Miss Distance (Miss Distance) Trend

    USA 74 & STARLINK-34093 Miss Distance (Miss Distance) TrendNot Available

    USA 74Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34093Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 74Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34093Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 74

    No nearby objects data