Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.275889E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T12:34:46+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    Name USA 120
    AOE ID 23907
    NORAD ID 23907
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64461
    NORAD ID 64461
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter USA 120 STARLINK-34418
    Time of Closest Approach 2026-09-05T09:59:10+0000
    Collision Probability (Pc) 2.275889E-6
    Conjunction Distance (km) 1.391 km
    Relative Speed (km/s) 1.877 km/s
    Conjunction Risk Parameters R (Radial): 0.738 | I (In-track): -1.115 | C (Cross-track): 0.383
    Collision Risk Index (CRI) 0.42
    X Position (km) 5643.34 5644.402
    Position Y (km) 261.334 260.455
    Position Z (km) 3846.321 3846.133
    Velocity X (km/s) -4.067 -3.218
    Velocity Y (km/s) 4.135 5.398
    Velocity Z (km/s) 5.441 4.344

    Orbital Parameters 国际轨道数据源

    Parameter USA 120 STARLINK-34418
    Semimajor Axis (a) 7462.755 km 6840.930 km
    Eccentricity (e) 0.085298 0.000176
    Inclination (i) 63.3209° 53.1606°
    RAAN 347.1232° 339.3054°
    Perigee Argument 51.0796° 51.5257°
    Mean Anomaly (M) 316.3187° 308.5904°
    Apogee 1721.176 km 463.998 km
    Perigee 448.060 km 461.588 km
    Orbit Epoch 2026-09-03T16:49:46+0000 2026-09-03T20:16:29+0000

    USA 120 & STARLINK-34418 Collision Probability (Pc) Trend

    USA 120 & STARLINK-34418 Collision Probability (Pc) TrendNot Available

    USA 120 & STARLINK-34418 Miss Distance (Miss Distance) Trend

    USA 120 & STARLINK-34418 Miss Distance (Miss Distance) TrendNot Available

    USA 120Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34418Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 120Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34418Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 120

    No nearby objects data