Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.528824E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:17:37+0800
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    1 Object 1

    AOE ID 53671
    NORAD ID 53671
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53795
    NORAD ID 53795
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4440 STARLINK-4742
    Time of Closest Approach 2026-10-21T21:41:58+0000
    Collision Probability (Pc) 6.528824E-6
    Conjunction Distance (km) 1.504 km
    Relative Speed (km/s) 14.407 km/s
    Conjunction Risk Parameters R (Radial): 1.486 | I (In-track): 0.088 | C (Cross-track): 0.217
    Collision Risk Index (CRI) 0.51
    X Position (km) -5562.406 -5561.117
    Position Y (km) 735.396 735.438
    Position Z (km) -3938.165 -3937.393
    Velocity X (km/s) -4.13 2.221
    Velocity Y (km/s) 1.737 -5.927
    Velocity Z (km/s) 6.166 -4.25

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4440 STARLINK-4742
    Semimajor Axis (a) 6854.409 km 6848.883 km
    Eccentricity (e) 0.000156 0.000144
    Inclination (i) 97.2861° 53.1597°
    RAAN 165.9375° 329.1099°
    Perigee Argument 88.4381° 103.0881°
    Mean Anomaly (M) 62.8092° 257.0281°
    Apogee 477.342 km 471.731 km
    Perigee 475.202 km 469.761 km
    Orbit Epoch 2026-10-20T12:00:03+0000 2026-10-20T02:26:08+0000

    STARLINK-4440 & STARLINK-4742 Collision Probability (Pc) Trend

    STARLINK-4440 & STARLINK-4742 Collision Probability (Pc) TrendNot Available

    STARLINK-4440 & STARLINK-4742 Miss Distance (Miss Distance) Trend

    STARLINK-4440 & STARLINK-4742 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4440Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4742Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4440Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4742Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4440

    No nearby objects data