Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.449643E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:40:26+0800
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    1 Object 1

    AOE ID 53470
    NORAD ID 53470
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58157
    NORAD ID 58157
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4393 STARLINK-30803
    Time of Closest Approach 2026-10-21T00:58:04+0000
    Collision Probability (Pc) 1.449643E-6
    Conjunction Distance (km) 2.797 km
    Relative Speed (km/s) 14.499 km/s
    Conjunction Risk Parameters R (Radial): 2.783 | I (In-track): -0.074 | C (Cross-track): 0.273
    Collision Risk Index (CRI) 0.38
    X Position (km) 4247.862 4249.81
    Position Y (km) 3923.114 3924.561
    Position Z (km) 3656.434 3657.824
    Velocity X (km/s) -2.193 -1.557
    Velocity Y (km/s) -3.585 5.935
    Velocity Z (km/s) 6.374 -4.544

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4393 STARLINK-30803
    Semimajor Axis (a) 6843.690 km 6848.858 km
    Eccentricity (e) 0.000112 0.000141
    Inclination (i) 97.2859° 53.1564°
    RAAN 45.4289° 259.6492°
    Perigee Argument 92.0679° 83.5737°
    Mean Anomaly (M) 268.0692° 276.5425°
    Apogee 466.321 km 471.690 km
    Perigee 464.785 km 469.752 km
    Orbit Epoch 2026-10-19T01:50:34+0000 2026-10-19T04:31:13+0000

    STARLINK-4393 & STARLINK-30803 Collision Probability (Pc) Trend

    STARLINK-4393 & STARLINK-30803 Collision Probability (Pc) TrendNot Available

    STARLINK-4393 & STARLINK-30803 Miss Distance (Miss Distance) Trend

    STARLINK-4393 & STARLINK-30803 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4393Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30803Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4393Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30803Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4393

    No nearby objects data