Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.018556E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-08T23:48:25+0800
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    1 Object 1

    AOE ID 44744
    NORAD ID 44744
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54785
    NORAD ID 54785
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1039 STARLINK-5440
    Time of Closest Approach 2026-09-08T18:46:59+0000
    Collision Probability (Pc) 1.018556E-5
    Conjunction Distance (km) 1.266 km
    Relative Speed (km/s) 11.798 km/s
    Conjunction Risk Parameters R (Radial): -0.635 | I (In-track): -0.704 | C (Cross-track): 0.838
    Collision Risk Index (CRI) 0.55
    X Position (km) -2254.258 -2253.44
    Position Y (km) -6052.399 -6053.339
    Position Z (km) 2245.796 2246.016
    Velocity X (km/s) 3.875 5.222
    Velocity Y (km/s) -3.519 0.133
    Velocity Z (km/s) -5.564 5.573

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1039 STARLINK-5440
    Semimajor Axis (a) 6840.524 km 6840.862 km
    Eccentricity (e) 0.000249 0.000125
    Inclination (i) 53.0557° 53.1587°
    RAAN 89.1486° 236.9267°
    Perigee Argument 82.9544° 82.6467°
    Mean Anomaly (M) 277.1740° 277.4677°
    Apogee 464.088 km 463.579 km
    Perigee 460.686 km 461.871 km
    Orbit Epoch 2026-09-07T20:13:28+0000 2026-09-08T06:10:19+0000

    STARLINK-1039 & STARLINK-5440 Collision Probability (Pc) Trend

    STARLINK-1039 & STARLINK-5440 Collision Probability (Pc) TrendNot Available

    STARLINK-1039 & STARLINK-5440 Miss Distance (Miss Distance) Trend

    STARLINK-1039 & STARLINK-5440 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1039Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5440Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1039Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5440Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1039

    No nearby objects data