Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.24601E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:43:02+0800
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    1 Object 1

    AOE ID 53619
    NORAD ID 53619
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59259
    NORAD ID 59259
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4609 STARLINK-31506
    Time of Closest Approach 2026-09-14T09:15:40+0000
    Collision Probability (Pc) 2.24601E-6
    Conjunction Distance (km) 1.845 km
    Relative Speed (km/s) 7.221 km/s
    Conjunction Risk Parameters R (Radial): -0.526 | I (In-track): -1.561 | C (Cross-track): 0.831
    Collision Risk Index (CRI) 0.42
    X Position (km) -4033.633 -4032.446
    Position Y (km) 2315.088 2316.445
    Position Z (km) 5007.528 5007.139
    Velocity X (km/s) -1.055 -5.65
    Velocity Y (km/s) -7.157 -4.519
    Velocity Z (km/s) 2.452 -2.453

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4609 STARLINK-31506
    Semimajor Axis (a) 6840.908 km 6840.837 km
    Eccentricity (e) 0.000084 0.000116
    Inclination (i) 53.1586° 53.1601°
    RAAN 110.5911° 40.1887°
    Perigee Argument 95.8430° 92.2409°
    Mean Anomaly (M) 19.6952° 267.8726°
    Apogee 463.343 km 463.494 km
    Perigee 462.199 km 461.906 km
    Orbit Epoch 2026-09-11T08:00:04+0000 2026-09-10T21:55:03+0000

    STARLINK-4609 & STARLINK-31506 Collision Probability (Pc) Trend

    STARLINK-4609 & STARLINK-31506 Collision Probability (Pc) TrendNot Available

    STARLINK-4609 & STARLINK-31506 Miss Distance (Miss Distance) Trend

    STARLINK-4609 & STARLINK-31506 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4609Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31506Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4609Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31506Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4609

    No nearby objects data