Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.050033E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T00:51:35+0800
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    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 2026-09-05T04:02:42+0000
    Collision Probability (Pc) 2.050033E-6
    Conjunction Distance (km) 2.059 km
    Relative Speed (km/s) 9.744 km/s
    Conjunction Risk Parameters R (Radial): 0.672 | I (In-track): 1.498 | C (Cross-track): -1.242
    Collision Risk Index (CRI) 0.41
    X Position (km) -5701.751 -5701.367
    Position Y (km) -3158.395 -3160.406
    Position Z (km) 2134.267 2134.477
    Velocity X (km/s) 4.175 1.515
    Velocity Y (km/s) -4.396 -5.869
    Velocity Z (km/s) 4.629 -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