Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.642841E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:54:02+0800
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    1 Object 1

    AOE ID 55280
    NORAD ID 55280
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59363
    NORAD ID 59363
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5331 STARLINK-31553
    Time of Closest Approach 2026-10-21T04:13:12+0000
    Collision Probability (Pc) 1.642841E-6
    Conjunction Distance (km) 2.407 km
    Relative Speed (km/s) 11.773 km/s
    Conjunction Risk Parameters R (Radial): 2.383 | I (In-track): -0.216 | C (Cross-track): 0.26
    Collision Risk Index (CRI) 0.39
    X Position (km) -5502.064 -5504.152
    Position Y (km) -2485.509 -2486.098
    Position Z (km) 3246.529 3247.571
    Velocity X (km/s) 4.259 0.768
    Velocity Y (km/s) -1.325 -6.602
    Velocity Z (km/s) 6.187 -3.741

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5331 STARLINK-31553
    Semimajor Axis (a) 6855.097 km 6861.210 km
    Eccentricity (e) 0.000340 0.000132
    Inclination (i) 69.9980° 43.0041°
    RAAN 196.1424° 63.7469°
    Perigee Argument 259.4470° 263.9315°
    Mean Anomaly (M) 100.6322° 96.1386°
    Apogee 479.291 km 483.980 km
    Perigee 474.629 km 482.166 km
    Orbit Epoch 2026-10-19T23:50:14+0000 2026-10-20T10:21:57+0000

    STARLINK-5331 & STARLINK-31553 Collision Probability (Pc) Trend

    STARLINK-5331 & STARLINK-31553 Collision Probability (Pc) TrendNot Available

    STARLINK-5331 & STARLINK-31553 Miss Distance (Miss Distance) Trend

    STARLINK-5331 & STARLINK-31553 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5331Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31553Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5331Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31553Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5331

    No nearby objects data