Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.975941E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T04:34:34+0800
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    1 Object 1

    AOE ID 53688
    NORAD ID 53688
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59164
    NORAD ID 59164
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4571 STARLINK-31309
    Time of Closest Approach 2026-10-19T15:03:38+0000
    Collision Probability (Pc) 2.975941E-6
    Conjunction Distance (km) 1.901 km
    Relative Speed (km/s) 12.768 km/s
    Conjunction Risk Parameters R (Radial): 1.753 | I (In-track): -0.407 | C (Cross-track): 0.612
    Collision Risk Index (CRI) 0.44
    X Position (km) 5111.205 5110.3
    Position Y (km) -766.471 -765.787
    Position Z (km) 4505.915 4504.39
    Velocity X (km/s) 4.703 -0.101
    Velocity Y (km/s) -2.002 7.5
    Velocity Z (km/s) -5.659 1.386

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4571 STARLINK-31309
    Semimajor Axis (a) 6865.144 km 6861.193 km
    Eccentricity (e) 0.000138 0.000065
    Inclination (i) 97.2851° 43.0027°
    RAAN 164.0487° 291.1349°
    Perigee Argument 79.4851° 286.9138°
    Mean Anomaly (M) 82.4512° 73.1642°
    Apogee 487.956 km 483.502 km
    Perigee 486.058 km 482.610 km
    Orbit Epoch 2026-10-18T14:00:02+0000 2026-10-18T01:04:25+0000

    STARLINK-4571 & STARLINK-31309 Collision Probability (Pc) Trend

    STARLINK-4571 & STARLINK-31309 Collision Probability (Pc) TrendNot Available

    STARLINK-4571 & STARLINK-31309 Miss Distance (Miss Distance) Trend

    STARLINK-4571 & STARLINK-31309 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4571Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31309Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4571Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31309Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4571

    No nearby objects data