Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    5.307244E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:48:29+0800
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    1 Object 1

    AOE ID 53017
    NORAD ID 53017
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59173
    NORAD ID 59173
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4281 STARLINK-31289
    Time of Closest Approach 2026-09-04T12:56:26+0000
    Collision Probability (Pc) 5.307244E-5
    Conjunction Distance (km) 0.765 km
    Relative Speed (km/s) 10.851 km/s
    Conjunction Risk Parameters R (Radial): -0.686 | I (In-track): -0.228 | C (Cross-track): 0.245
    Collision Risk Index (CRI) 0.69
    X Position (km) 5979.117 5978.392
    Position Y (km) -2601.07 -2601.118
    Position Z (km) 2129.781 2129.545
    Velocity X (km/s) 0.222 3.734
    Velocity Y (km/s) 5.141 4.774
    Velocity Z (km/s) 5.629 -4.631

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4281 STARLINK-31289
    Semimajor Axis (a) 6862.072 km 6861.153 km
    Eccentricity (e) 0.000082 0.000072
    Inclination (i) 53.2146° 43.0003°
    RAAN 330.9952° 191.9396°
    Perigee Argument 57.5497° 296.3921°
    Mean Anomaly (M) 103.6462° 63.6857°
    Apogee 484.502 km 483.512 km
    Perigee 483.368 km 482.520 km
    Orbit Epoch 2026-09-02T16:00:02+0000 2026-09-01T21:30:17+0000

    STARLINK-4281 & STARLINK-31289 Collision Probability (Pc) Trend

    STARLINK-4281 & STARLINK-31289 Collision Probability (Pc) TrendNot Available

    STARLINK-4281 & STARLINK-31289 Miss Distance (Miss Distance) Trend

    STARLINK-4281 & STARLINK-31289 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4281Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31289Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4281Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31289Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4281

    No nearby objects data