Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.535364E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T14:49:12+0800
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    1 Object 1

    AOE ID 54771
    NORAD ID 54771
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57813
    NORAD ID 57813
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5451 STARLINK-30403
    Time of Closest Approach 2026-10-21T07:52:31+0000
    Collision Probability (Pc) 7.535364E-7
    Conjunction Distance (km) 2.959 km
    Relative Speed (km/s) 5.12 km/s
    Conjunction Risk Parameters R (Radial): 2.956 | I (In-track): -0.121 | C (Cross-track): -0.042
    Collision Risk Index (CRI) 0.33
    X Position (km) -3613.138 -3611.651
    Position Y (km) 3499.186 3497.573
    Position Z (km) 4661.932 4659.948
    Velocity X (km/s) -2.191 -5.558
    Velocity Y (km/s) -6.558 -5.209
    Velocity Z (km/s) 3.216 -0.397

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5451 STARLINK-30403
    Semimajor Axis (a) 6864.357 km 6861.190 km
    Eccentricity (e) 0.000103 0.000111
    Inclination (i) 53.1599° 43.0024°
    RAAN 94.9742° 45.2078°
    Perigee Argument 79.8681° 242.4338°
    Mean Anomaly (M) 280.2434° 117.6401°
    Apogee 486.927 km 483.814 km
    Perigee 485.513 km 482.292 km
    Orbit Epoch 2026-10-20T15:54:31+0000 2026-10-20T09:29:41+0000

    STARLINK-5451 & STARLINK-30403 Collision Probability (Pc) Trend

    STARLINK-5451 & STARLINK-30403 Collision Probability (Pc) TrendNot Available

    STARLINK-5451 & STARLINK-30403 Miss Distance (Miss Distance) Trend

    STARLINK-5451 & STARLINK-30403 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5451Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30403Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5451Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30403Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5451

    No nearby objects data