Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    2.282913E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T08:14:10+0800
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    1 Object 1

    AOE ID 54157
    NORAD ID 54157
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54162
    NORAD ID 54162
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5290 STARLINK-5273
    Time of Closest Approach 2026-09-12T19:18:59+0000
    Collision Probability (Pc) 2.282913E-7
    Conjunction Distance (km) 2.89 km
    Relative Speed (km/s) 0.002 km/s
    Conjunction Risk Parameters R (Radial): -2.887 | I (In-track): 0.087 | C (Cross-track): 0.083
    Collision Risk Index (CRI) 0.22
    X Position (km) -4332.835 -4331.069
    Position Y (km) -3223.473 -3222.176
    Position Z (km) -4272.792 -4270.908
    Velocity X (km/s) 1.033 1.033
    Velocity Y (km/s) -6.479 -6.481
    Velocity Z (km/s) 3.845 3.846

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5290 STARLINK-5273
    Semimajor Axis (a) 6881.778 km 6878.859 km
    Eccentricity (e) 0.000164 0.000149
    Inclination (i) 53.1592° 53.1595°
    RAAN 258.6255° 258.6320°
    Perigee Argument 57.6688° 62.7507°
    Mean Anomaly (M) 40.5178° 31.1649°
    Apogee 504.774 km 501.750 km
    Perigee 502.508 km 499.694 km
    Orbit Epoch 2026-09-11T14:00:03+0000 2026-09-11T14:00:03+0000

    STARLINK-5290 & STARLINK-5273 Collision Probability (Pc) Trend

    STARLINK-5290 & STARLINK-5273 Collision Probability (Pc) TrendNot Available

    STARLINK-5290 & STARLINK-5273 Miss Distance (Miss Distance) Trend

    STARLINK-5290 & STARLINK-5273 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5290Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5273Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5290Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5273Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5290

    No nearby objects data