Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.221608E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T14:49:26+0800
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    1 Object 1

    AOE ID 51808
    NORAD ID 51808
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52844
    NORAD ID 52844
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3609 STARLINK-4208
    Time of Closest Approach 2026-10-18T09:02:25+0000
    Collision Probability (Pc) 8.221608E-7
    Conjunction Distance (km) 2.891 km
    Relative Speed (km/s) 5.731 km/s
    Conjunction Risk Parameters R (Radial): -2.654 | I (In-track): 1.062 | C (Cross-track): 0.425
    Collision Risk Index (CRI) 0.33
    X Position (km) 4139.381 4140.582
    Position Y (km) -1582.095 -1583.779
    Position Z (km) -5218.511 -5220.531
    Velocity X (km/s) 4.563 0.484
    Velocity Y (km/s) 5.82 7.378
    Velocity Z (km/s) 1.856 -1.856

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3609 STARLINK-4208
    Semimajor Axis (a) 6840.843 km 6843.367 km
    Eccentricity (e) 0.000088 0.000111
    Inclination (i) 53.1595° 53.1601°
    RAAN 43.7559° 101.2474°
    Perigee Argument 114.2638° 77.8064°
    Mean Anomaly (M) 245.8457° 282.3062°
    Apogee 463.312 km 465.988 km
    Perigee 462.100 km 464.472 km
    Orbit Epoch 2026-10-17T19:17:07+0000 2026-10-17T11:36:40+0000

    STARLINK-3609 & STARLINK-4208 Collision Probability (Pc) Trend

    STARLINK-3609 & STARLINK-4208 Collision Probability (Pc) TrendNot Available

    STARLINK-3609 & STARLINK-4208 Miss Distance (Miss Distance) Trend

    STARLINK-3609 & STARLINK-4208 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3609Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4208Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3609Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4208Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3609

    No nearby objects data