Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.629468E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-07T04:54:58+0800
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    1 Object 1

    AOE ID 55316
    NORAD ID 55316
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61072
    NORAD ID 61072
    Object Type PAYLOAD
    Country
    IR IR

    Conjunction Constraints

    Parameter STARLINK-5257 CHAMRAN-1
    Time of Closest Approach 2026-10-06T21:12:37+0000
    Collision Probability (Pc) 1.629468E-6
    Conjunction Distance (km) 2.544 km
    Relative Speed (km/s) 13.735 km/s
    Conjunction Risk Parameters R (Radial): 2.263 | I (In-track): -0.494 | C (Cross-track): 1.051
    Collision Risk Index (CRI) 0.39
    X Position (km) 5776.946 5774.6
    Position Y (km) 2207.362 2207.705
    Position Z (km) -3011.289 -3010.369
    Velocity X (km/s) -3.91 1.419
    Velocity Y (km/s) 1.605 4.515
    Velocity Z (km/s) -6.33 5.989

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5257 CHAMRAN-1
    Semimajor Axis (a) 6874.761 km 6908.854 km
    Eccentricity (e) 0.000338 0.006221
    Inclination (i) 69.9998° 64.0767°
    RAAN 191.4828° 37.0004°
    Perigee Argument 266.6246° 301.0098°
    Mean Anomaly (M) 94.3746° 58.4917°
    Apogee 498.952 km 573.697 km
    Perigee 494.296 km 487.737 km
    Orbit Epoch 2026-10-06T14:00:02+0000 2026-10-06T03:52:28+0000

    STARLINK-5257 & CHAMRAN-1 Collision Probability (Pc) Trend

    STARLINK-5257 & CHAMRAN-1 Collision Probability (Pc) TrendNot Available

    STARLINK-5257 & CHAMRAN-1 Miss Distance (Miss Distance) Trend

    STARLINK-5257 & CHAMRAN-1 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5257Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CHAMRAN-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5257Collision Probability Trend

    Object 1 Probability TrendNot Available

    CHAMRAN-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5257

    No nearby objects data