Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.480415E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T08:22:37+0800
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    1 Object 1

    AOE ID 53570
    NORAD ID 53570
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53988
    NORAD ID 53988
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4550 STARLINK-5113
    Time of Closest Approach 2026-09-12T06:04:51+0000
    Collision Probability (Pc) 1.480415E-6
    Conjunction Distance (km) 2.58 km
    Relative Speed (km/s) 12.154 km/s
    Conjunction Risk Parameters R (Radial): -2.438 | I (In-track): 0.497 | C (Cross-track): -0.675
    Collision Risk Index (CRI) 0.38
    X Position (km) 749.634 750.201
    Position Y (km) -6736.366 -6733.872
    Position Z (km) -957.878 -957.551
    Velocity X (km/s) 4.685 4.499
    Velocity Y (km/s) -0.327 1.35
    Velocity Z (km/s) 6.017 -6.018

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4550 STARLINK-5113
    Semimajor Axis (a) 6843.381 km 6840.856 km
    Eccentricity (e) 0.000129 0.000116
    Inclination (i) 53.1580° 53.1592°
    RAAN 286.0762° 92.2388°
    Perigee Argument 82.4092° 90.6225°
    Mean Anomaly (M) 277.7056° 297.8544°
    Apogee 466.126 km 463.514 km
    Perigee 464.362 km 461.924 km
    Orbit Epoch 2026-09-11T11:21:19+0000 2026-09-11T20:00:01+0000

    STARLINK-4550 & STARLINK-5113 Collision Probability (Pc) Trend

    STARLINK-4550 & STARLINK-5113 Collision Probability (Pc) TrendNot Available

    STARLINK-4550 & STARLINK-5113 Miss Distance (Miss Distance) Trend

    STARLINK-4550 & STARLINK-5113 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4550Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5113Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4550Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5113Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4550

    No nearby objects data