Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.554286E-4
    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 58516
    NORAD ID 58516
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4281 STARLINK-31028
    Time of Closest Approach 2026-09-04T16:04:13+0000
    Collision Probability (Pc) 1.554286E-4
    Conjunction Distance (km) 0.521 km
    Relative Speed (km/s) 10.962 km/s
    Conjunction Risk Parameters R (Radial): 0.386 | I (In-track): -0.249 | C (Cross-track): 0.247
    Collision Risk Index (CRI) 0.79
    X Position (km) 5934.643 5934.836
    Position Y (km) -2864.461 -2864.941
    Position Z (km) 1905.315 1905.382
    Velocity X (km/s) 0.567 3.766
    Velocity Y (km/s) 5.004 4.627
    Velocity Z (km/s) 5.728 -4.75

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4281 STARLINK-31028
    Semimajor Axis (a) 6862.072 km 6861.094 km
    Eccentricity (e) 0.000082 0.000228
    Inclination (i) 53.2146° 43.0030°
    RAAN 330.9952° 187.9810°
    Perigee Argument 57.5497° 326.2498°
    Mean Anomaly (M) 103.6462° 33.8208°
    Apogee 484.502 km 484.524 km
    Perigee 483.368 km 481.390 km
    Orbit Epoch 2026-09-02T16:00:02+0000 2026-09-01T21:29:00+0000

    STARLINK-4281 & STARLINK-31028 Collision Probability (Pc) Trend

    STARLINK-4281 & STARLINK-31028 Collision Probability (Pc) TrendNot Available

    STARLINK-4281 & STARLINK-31028 Miss Distance (Miss Distance) Trend

    STARLINK-4281 & STARLINK-31028 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4281Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31028Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4281Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31028Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4281

    No nearby objects data