Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.329645E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-28T17:14:39+0800
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    1 Object 1

    AOE ID 53184
    NORAD ID 53184
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69335
    NORAD ID 69335
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4257 STARLINK-37877
    Time of Closest Approach 2026-08-28T12:06:00+0000
    Collision Probability (Pc) 1.329645E-6
    Conjunction Distance (km) 2.988 km
    Relative Speed (km/s) 14.483 km/s
    Conjunction Risk Parameters R (Radial): -2.955 | I (In-track): 0.134 | C (Cross-track): 0.409
    Collision Risk Index (CRI) 0.37
    X Position (km) 406.729 406.943
    Position Y (km) -5787.721 -5785.301
    Position Z (km) -3647.742 -3646.003
    Velocity X (km/s) 5.185 -0.857
    Velocity Y (km/s) 3.234 -4.079
    Velocity Z (km/s) -4.559 6.385

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4257 STARLINK-37877
    Semimajor Axis (a) 6848.864 km 6843.708 km
    Eccentricity (e) 0.000130 0.000128
    Inclination (i) 53.1620° 97.2784°
    RAAN 70.3411° 268.9709°
    Perigee Argument 88.4411° 101.0229°
    Mean Anomaly (M) 271.6739° 259.1158°
    Apogee 471.616 km 466.447 km
    Perigee 469.838 km 464.695 km
    Orbit Epoch 2026-08-27T13:12:45+0000 2026-08-28T01:16:42+0000

    STARLINK-4257 & STARLINK-37877 Collision Probability (Pc) Trend

    STARLINK-4257 & STARLINK-37877 Collision Probability (Pc) TrendNot Available

    STARLINK-4257 & STARLINK-37877 Miss Distance (Miss Distance) Trend

    STARLINK-4257 & STARLINK-37877 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4257Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37877Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4257Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37877Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4257

    No nearby objects data