Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.15726E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T17:00:34+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 68705
    NORAD ID 68705
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter USA 74 STARLINK-35369
    Time of Closest Approach 2026-10-31T08:25:22+0000
    Collision Probability (Pc) 1.15726E-5
    Conjunction Distance (km) 1.216 km
    Relative Speed (km/s) 11.582 km/s
    Conjunction Risk Parameters R (Radial): 0.668 | I (In-track): -0.644 | C (Cross-track): 0.785
    Collision Risk Index (CRI) 0.56
    X Position (km) -5070.081 -5070.273
    Position Y (km) 1885.992 1887.142
    Position Z (km) 4177.21 4177.55
    Velocity X (km/s) 2.431 -4.88
    Velocity Y (km/s) -5.7 -4.359
    Velocity Z (km/s) 4.939 -3.942

    Orbital Parameters 国际轨道数据源

    Parameter USA 74 STARLINK-35369
    Semimajor Axis (a) 7402.957 km 6840.804 km
    Eccentricity (e) 0.088049 0.000119
    Inclination (i) 63.2912° 53.1596°
    RAAN 140.5010° 22.6844°
    Perigee Argument 75.8699° 74.4042°
    Mean Anomaly (M) 293.8475° 285.7091°
    Apogee 1676.640 km 463.482 km
    Perigee 373.000 km 461.852 km
    Orbit Epoch 2026-10-29T22:46:41+0000 2026-10-29T16:46:41+0000

    USA 74 & STARLINK-35369 Collision Probability (Pc) Trend

    USA 74 & STARLINK-35369 Collision Probability (Pc) TrendNot Available

    USA 74 & STARLINK-35369 Miss Distance (Miss Distance) Trend

    USA 74 & STARLINK-35369 Miss Distance (Miss Distance) TrendNot Available

    USA 74Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35369Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 74Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35369Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 74

    No nearby objects data