Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.584079E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T22:19:33+0800
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    1 Object 1

    AOE ID 53469
    NORAD ID 53469
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67661
    NORAD ID 67661
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4399 STARLINK-36674
    Time of Closest Approach 2026-10-21T02:46:24+0000
    Collision Probability (Pc) 4.584079E-6
    Conjunction Distance (km) 1.565 km
    Relative Speed (km/s) 10.317 km/s
    Conjunction Risk Parameters R (Radial): 0.512 | I (In-track): -1.085 | C (Cross-track): 1.005
    Collision Risk Index (CRI) 0.48
    X Position (km) -172.235 -170.759
    Position Y (km) 1168.716 1168.847
    Position Z (km) -6749.596 -6749.092
    Velocity X (km/s) 4.807 6.28
    Velocity Y (km/s) 5.84 -4.215
    Velocity Z (km/s) 0.889 -0.889

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4399 STARLINK-36674
    Semimajor Axis (a) 6843.724 km 6843.637 km
    Eccentricity (e) 0.000165 0.000131
    Inclination (i) 97.2870° 97.2847°
    RAAN 49.6168° 323.0380°
    Perigee Argument 95.8406° 94.5212°
    Mean Anomaly (M) 264.3025° 265.6180°
    Apogee 466.715 km 466.394 km
    Perigee 464.459 km 464.606 km
    Orbit Epoch 2026-10-19T07:17:04+0000 2026-10-18T20:22:58+0000

    STARLINK-4399 & STARLINK-36674 Collision Probability (Pc) Trend

    STARLINK-4399 & STARLINK-36674 Collision Probability (Pc) TrendNot Available

    STARLINK-4399 & STARLINK-36674 Miss Distance (Miss Distance) Trend

    STARLINK-4399 & STARLINK-36674 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4399Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36674Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4399Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36674Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4399

    No nearby objects data