Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.299534E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-31T23:46:46+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 65673
    NORAD ID 65673
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4257 STARLINK-35177
    Time of Closest Approach 2026-08-31T18:32:06+0000
    Collision Probability (Pc) 1.299534E-6
    Conjunction Distance (km) 2.935 km
    Relative Speed (km/s) 13.403 km/s
    Conjunction Risk Parameters R (Radial): 2.925 | I (In-track): 0.11 | C (Cross-track): -0.216
    Collision Risk Index (CRI) 0.37
    X Position (km) 1731.528 1730.569
    Position Y (km) -4075.918 -4074.149
    Position Z (km) -5231.619 -5229.483
    Velocity X (km/s) 5.666 0.853
    Velocity Y (km/s) 4.755 -5.833
    Velocity Z (km/s) -1.831 4.829

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4257 STARLINK-35177
    Semimajor Axis (a) 6848.882 km 6843.726 km
    Eccentricity (e) 0.000113 0.000127
    Inclination (i) 53.1605° 97.2818°
    RAAN 55.4541° 283.6915°
    Perigee Argument 101.2714° 99.7209°
    Mean Anomaly (M) 258.8415° 260.4176°
    Apogee 471.523 km 466.456 km
    Perigee 469.967 km 464.722 km
    Orbit Epoch 2026-08-30T17:56:49+0000 2026-08-31T03:05:34+0000

    STARLINK-4257 & STARLINK-35177 Collision Probability (Pc) Trend

    STARLINK-4257 & STARLINK-35177 Collision Probability (Pc) TrendNot Available

    STARLINK-4257 & STARLINK-35177 Miss Distance (Miss Distance) Trend

    STARLINK-4257 & STARLINK-35177 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4257Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35177Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4257Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35177Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4257

    No nearby objects data