Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.379792E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T07:47:26+0800
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    1 Object 1

    AOE ID 47655
    NORAD ID 47655
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 56874
    NORAD ID 56874
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-2039 LONGJIANG 3
    Time of Closest Approach 2026-09-14T01:07:37+0000
    Collision Probability (Pc) 4.379792E-5
    Conjunction Distance (km) 0.665 km
    Relative Speed (km/s) 4.282 km/s
    Conjunction Risk Parameters R (Radial): -0.055 | I (In-track): 0.636 | C (Cross-track): 0.188
    Collision Risk Index (CRI) 0.68
    X Position (km) 3930.705 3930.414
    Position Y (km) 2220.605 2221.193
    Position Z (km) 5126.465 5126.359
    Velocity X (km/s) -1.31 -4.396
    Velocity Y (km/s) 7.224 6.215
    Velocity Z (km/s) -2.115 0.678

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2039 LONGJIANG 3
    Semimajor Axis (a) 6838.550 km 6842.007 km
    Eccentricity (e) 0.000516 0.000629
    Inclination (i) 53.1582° 49.1043°
    RAAN 270.6623° 312.0924°
    Perigee Argument 34.2028° 63.3102°
    Mean Anomaly (M) 325.9306° 296.8489°
    Apogee 463.939 km 468.177 km
    Perigee 456.887 km 459.563 km
    Orbit Epoch 2026-09-13T10:35:15+0000 2026-09-13T13:49:25+0000

    STARLINK-2039 & LONGJIANG 3 Collision Probability (Pc) Trend

    STARLINK-2039 & LONGJIANG 3 Collision Probability (Pc) TrendNot Available

    STARLINK-2039 & LONGJIANG 3 Miss Distance (Miss Distance) Trend

    STARLINK-2039 & LONGJIANG 3 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2039Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LONGJIANG 3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2039Collision Probability Trend

    Object 1 Probability TrendNot Available

    LONGJIANG 3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2039

    No nearby objects data