Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.476511E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:36:31+0800
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    1 Object 1

    AOE ID 53203
    NORAD ID 53203
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58158
    NORAD ID 58158
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4409 STARLINK-30829
    Time of Closest Approach 2026-10-20T06:44:08+0000
    Collision Probability (Pc) 1.476511E-6
    Conjunction Distance (km) 2.532 km
    Relative Speed (km/s) 11.462 km/s
    Conjunction Risk Parameters R (Radial): -2.382 | I (In-track): -0.561 | C (Cross-track): -0.645
    Collision Risk Index (CRI) 0.38
    X Position (km) 3839.713 3840.718
    Position Y (km) -1486.362 -1486.21
    Position Z (km) 5459.566 5461.884
    Velocity X (km/s) -6.143 2.263
    Velocity Y (km/s) 0.653 7.281
    Velocity Z (km/s) 4.487 0.389

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4409 STARLINK-30829
    Semimajor Axis (a) 6843.712 km 6848.865 km
    Eccentricity (e) 0.000131 0.000184
    Inclination (i) 97.2848° 53.1584°
    RAAN 348.2090° 259.5561°
    Perigee Argument 92.8089° 87.6227°
    Mean Anomaly (M) 267.3303° 272.4985°
    Apogee 466.471 km 471.991 km
    Perigee 464.679 km 469.465 km
    Orbit Epoch 2026-10-19T21:06:21+0000 2026-10-19T06:52:14+0000

    STARLINK-4409 & STARLINK-30829 Collision Probability (Pc) Trend

    STARLINK-4409 & STARLINK-30829 Collision Probability (Pc) TrendNot Available

    STARLINK-4409 & STARLINK-30829 Miss Distance (Miss Distance) Trend

    STARLINK-4409 & STARLINK-30829 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4409Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30829Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4409Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30829Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4409

    No nearby objects data