Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.59883E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T00:51:35+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 54869
    NORAD ID 54869
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66861
    NORAD ID 66861
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5402 STARLINK-35991
    Time of Closest Approach 2026-09-05T02:28:33+0000
    Collision Probability (Pc) 1.59883E-5
    Conjunction Distance (km) 1.07 km
    Relative Speed (km/s) 9.744 km/s
    Conjunction Risk Parameters R (Radial): 0.666 | I (In-track): -0.638 | C (Cross-track): 0.542
    Collision Risk Index (CRI) 0.59
    X Position (km) -5680.277 -5681.237
    Position Y (km) -3196.126 -3195.706
    Position Z (km) 2135.363 2135.578
    Velocity X (km/s) 4.205 1.551
    Velocity Y (km/s) -4.368 -5.86
    Velocity Z (km/s) 4.628 -4.628

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5402 STARLINK-35991
    Semimajor Axis (a) 6861.193 km 6861.117 km
    Eccentricity (e) 0.000082 0.000260
    Inclination (i) 43.0023° 43.0039°
    RAAN 205.4346° 68.1979°
    Perigee Argument 250.4335° 269.4515°
    Mean Anomaly (M) 109.6428° 90.6038°
    Apogee 483.619 km 484.764 km
    Perigee 482.493 km 481.196 km
    Orbit Epoch 2026-09-02T03:44:25+0000 2026-09-01T20:55:11+0000

    STARLINK-5402 & STARLINK-35991 Collision Probability (Pc) Trend

    STARLINK-5402 & STARLINK-35991 Collision Probability (Pc) TrendNot Available

    STARLINK-5402 & STARLINK-35991 Miss Distance (Miss Distance) Trend

    STARLINK-5402 & STARLINK-35991 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5402Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35991Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5402Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35991Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5402

    No nearby objects data