Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.029683E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-26T21:48:35+0800
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    1 Object 1

    AOE ID 59539
    NORAD ID 59539
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59741
    NORAD ID 59741
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31539 STARLINK-31818
    Time of Closest Approach 2026-10-27T23:30:09+0000
    Collision Probability (Pc) 5.029683E-6
    Conjunction Distance (km) 1.518 km
    Relative Speed (km/s) 10.244 km/s
    Conjunction Risk Parameters R (Radial): -1.431 | I (In-track): 0.368 | C (Cross-track): 0.344
    Collision Risk Index (CRI) 0.49
    X Position (km) 3568.978 3568.661
    Position Y (km) -5757.594 -5756.129
    Position Z (km) -1101.012 -1100.775
    Velocity X (km/s) 4.367 5.232
    Velocity Y (km/s) 3.672 2.282
    Velocity Z (km/s) -5.056 5.056

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31539 STARLINK-31818
    Semimajor Axis (a) 6861.697 km 6861.255 km
    Eccentricity (e) 0.000428 0.000139
    Inclination (i) 43.0049° 42.9917°
    RAAN 124.1377° 322.5465°
    Perigee Argument 276.5925° 286.3268°
    Mean Anomaly (M) 83.4440° 73.7431°
    Apogee 486.495 km 484.071 km
    Perigee 480.625 km 482.165 km
    Orbit Epoch 2026-10-25T18:52:03+0000 2026-10-26T02:03:09+0000

    STARLINK-31539 & STARLINK-31818 Collision Probability (Pc) Trend

    STARLINK-31539 & STARLINK-31818 Collision Probability (Pc) TrendNot Available

    STARLINK-31539 & STARLINK-31818 Miss Distance (Miss Distance) Trend

    STARLINK-31539 & STARLINK-31818 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31539Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31818Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31539Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31818Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31539

    No nearby objects data