Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.187668E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:52:12+0800
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    1 Object 1

    AOE ID 53626
    NORAD ID 53626
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58980
    NORAD ID 58980
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4554 STARLINK-31353
    Time of Closest Approach 2026-09-05T02:19:18+0000
    Collision Probability (Pc) 7.187668E-7
    Conjunction Distance (km) 2.86 km
    Relative Speed (km/s) 4.35 km/s
    Conjunction Risk Parameters R (Radial): 2.593 | I (In-track): 1.156 | C (Cross-track): -0.342
    Collision Risk Index (CRI) 0.32
    X Position (km) -1406.692 -1407.297
    Position Y (km) -4039.414 -4037.486
    Position Z (km) 5331.916 5329.893
    Velocity X (km/s) 6.355 7.474
    Velocity Y (km/s) -4.012 -0.806
    Velocity Z (km/s) -1.359 1.359

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4554 STARLINK-31353
    Semimajor Axis (a) 6843.341 km 6840.815 km
    Eccentricity (e) 0.000136 0.000140
    Inclination (i) 53.1596° 53.1591°
    RAAN 144.6105° 189.9114°
    Perigee Argument 77.9706° 83.9131°
    Mean Anomaly (M) 282.1449° 276.2030°
    Apogee 466.138 km 463.634 km
    Perigee 464.270 km 461.722 km
    Orbit Epoch 2026-09-04T02:24:50+0000 2026-09-03T07:46:47+0000

    STARLINK-4554 & STARLINK-31353 Collision Probability (Pc) Trend

    STARLINK-4554 & STARLINK-31353 Collision Probability (Pc) TrendNot Available

    STARLINK-4554 & STARLINK-31353 Miss Distance (Miss Distance) Trend

    STARLINK-4554 & STARLINK-31353 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4554Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31353Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4554Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31353Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4554

    No nearby objects data