Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.975916E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T20:54:11+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53547
    NORAD ID 53547
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65891
    NORAD ID 65891
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4474 STARLINK-34791
    Time of Closest Approach 2026-09-14T13:00:26+0000
    Collision Probability (Pc) 9.975916E-7
    Conjunction Distance (km) 2.688 km
    Relative Speed (km/s) 6.838 km/s
    Conjunction Risk Parameters R (Radial): -0.047 | I (In-track): 2.403 | C (Cross-track): -1.203
    Collision Risk Index (CRI) 0.35
    X Position (km) 4235.84 4236.839
    Position Y (km) -1752.218 -1749.723
    Position Z (km) 5068.214 5068.178
    Velocity X (km/s) 0.264 4.954
    Velocity Y (km/s) 7.283 5.344
    Velocity Z (km/s) 2.291 -2.291

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4474 STARLINK-34791
    Semimajor Axis (a) 6840.881 km 6840.813 km
    Eccentricity (e) 0.000131 0.000087
    Inclination (i) 53.1582° 53.1589°
    RAAN 292.8610° 224.0023°
    Perigee Argument 93.7138° 116.2092°
    Mean Anomaly (M) 266.4015° 243.9000°
    Apogee 463.643 km 463.270 km
    Perigee 461.845 km 462.082 km
    Orbit Epoch 2026-09-12T02:52:19+0000 2026-09-12T07:22:20+0000

    STARLINK-4474 & STARLINK-34791 Collision Probability (Pc) Trend

    STARLINK-4474 & STARLINK-34791 Collision Probability (Pc) TrendNot Available

    STARLINK-4474 & STARLINK-34791 Miss Distance (Miss Distance) Trend

    STARLINK-4474 & STARLINK-34791 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4474Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34791Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4474Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34791Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4474

    No nearby objects data