Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.351637E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:42:22+0800
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    1 Object 1

    AOE ID 52458
    NORAD ID 52458
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53792
    NORAD ID 53792
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3898 STARLINK-4739
    Time of Closest Approach 2026-09-05T08:45:41+0000
    Collision Probability (Pc) 1.351637E-5
    Conjunction Distance (km) 1.173 km
    Relative Speed (km/s) 12.096 km/s
    Conjunction Risk Parameters R (Radial): 1.173 | I (In-track): -0.016 | C (Cross-track): 0.024
    Collision Risk Index (CRI) 0.58
    X Position (km) 6587.71 6588.831
    Position Y (km) -1353.183 -1353.443
    Position Z (km) 1284.412 1284.633
    Velocity X (km/s) -0.182 2.056
    Velocity Y (km/s) 4.793 4.332
    Velocity Z (km/s) 5.939 -5.938

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3898 STARLINK-4739
    Semimajor Axis (a) 6848.971 km 6848.879 km
    Eccentricity (e) 0.000115 0.000120
    Inclination (i) 53.1606° 53.1587°
    RAAN 352.7293° 191.9586°
    Perigee Argument 62.4927° 84.7663°
    Mean Anomaly (M) 182.1791° 275.3474°
    Apogee 471.624 km 471.561 km
    Perigee 470.044 km 469.923 km
    Orbit Epoch 2026-09-02T16:00:02+0000 2026-09-02T01:44:17+0000

    STARLINK-3898 & STARLINK-4739 Collision Probability (Pc) Trend

    STARLINK-3898 & STARLINK-4739 Collision Probability (Pc) TrendNot Available

    STARLINK-3898 & STARLINK-4739 Miss Distance (Miss Distance) Trend

    STARLINK-3898 & STARLINK-4739 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3898Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4739Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3898Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4739Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3898

    No nearby objects data