Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.02528E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T18:49:46+0800
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    1 Object 1

    AOE ID 57257
    NORAD ID 57257
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57819
    NORAD ID 57819
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5503 STARLINK-30390
    Time of Closest Approach 2026-10-31T12:00:00+0000
    Collision Probability (Pc) 8.02528E-6
    Conjunction Distance (km) 1.311 km
    Relative Speed (km/s) 9.934 km/s
    Conjunction Risk Parameters R (Radial): 0.074 | I (In-track): -0.988 | C (Cross-track): 0.857
    Collision Risk Index (CRI) 0.53
    X Position (km) -5445.241 -5444.557
    Position Y (km) 3744.501 3745.618
    Position Z (km) 1837.069 1837.095
    Velocity X (km/s) -2.18 -4.381
    Velocity Y (km/s) -5.526 -4.011
    Velocity Z (km/s) 4.783 -4.784

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5503 STARLINK-30390
    Semimajor Axis (a) 6861.236 km 6861.240 km
    Eccentricity (e) 0.000186 0.000138
    Inclination (i) 42.9947° 43.0021°
    RAAN 144.4054° 359.7791°
    Perigee Argument 261.1562° 273.3089°
    Mean Anomaly (M) 98.9079° 285.9592°
    Apogee 484.377 km 484.049 km
    Perigee 481.821 km 482.157 km
    Orbit Epoch 2026-10-28T14:51:03+0000 2026-10-28T12:00:02+0000

    STARLINK-5503 & STARLINK-30390 Collision Probability (Pc) Trend

    STARLINK-5503 & STARLINK-30390 Collision Probability (Pc) TrendNot Available

    STARLINK-5503 & STARLINK-30390 Miss Distance (Miss Distance) Trend

    STARLINK-5503 & STARLINK-30390 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5503Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30390Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5503Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30390Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5503

    No nearby objects data