Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.505492E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:12:23+0800
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    1 Object 1

    AOE ID 47816
    NORAD ID 47816
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 49398
    NORAD ID 49398
    Object Type UNKNOWN
    Country
    JP JP

    Conjunction Constraints

    Parameter STARLINK-2399 OBJECT D
    Time of Closest Approach 2026-09-14T03:22:49+0000
    Collision Probability (Pc) 1.505492E-5
    Conjunction Distance (km) 1.182 km
    Relative Speed (km/s) 14.625 km/s
    Conjunction Risk Parameters R (Radial): -0.692 | I (In-track): -0.283 | C (Cross-track): -0.914
    Collision Risk Index (CRI) 0.59
    X Position (km) -3254.038 -3255.195
    Position Y (km) 5283.218 5283.446
    Position Z (km) 2892.272 2892.194
    Velocity X (km/s) -3.026 -0.765
    Velocity Y (km/s) -4.714 3.284
    Velocity Z (km/s) 5.186 -6.847

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2399 OBJECT D
    Semimajor Axis (a) 6848.875 km 6847.531 km
    Eccentricity (e) 0.000111 0.000682
    Inclination (i) 53.1617° 97.3125°
    RAAN 115.7886° 295.3413°
    Perigee Argument 100.8258° 252.8585°
    Mean Anomaly (M) 259.2868° 107.1910°
    Apogee 471.500 km 474.062 km
    Perigee 469.976 km 464.726 km
    Orbit Epoch 2026-09-11T00:04:24+0000 2026-09-11T05:44:26+0000

    STARLINK-2399 & OBJECT D Collision Probability (Pc) Trend

    STARLINK-2399 & OBJECT D Collision Probability (Pc) TrendNot Available

    STARLINK-2399 & OBJECT D Miss Distance (Miss Distance) Trend

    STARLINK-2399 & OBJECT D Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2399Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2399Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2399

    No nearby objects data