Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.528876E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:44:30+0800
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    1 Object 1

    AOE ID 53849
    NORAD ID 53849
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57851
    NORAD ID 57851
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4770 STARLINK-30405
    Time of Closest Approach 2026-10-29T08:50:09+0000
    Collision Probability (Pc) 2.528876E-6
    Conjunction Distance (km) 1.445 km
    Relative Speed (km/s) 2.771 km/s
    Conjunction Risk Parameters R (Radial): -0.027 | I (In-track): 1.421 | C (Cross-track): -0.261
    Collision Risk Index (CRI) 0.43
    X Position (km) -3929.843 -3930.351
    Position Y (km) -1424.545 -1423.193
    Position Z (km) -5430.066 -5430.088
    Velocity X (km/s) 3.586 1.521
    Velocity Y (km/s) -6.672 -7.42
    Velocity Z (km/s) -0.844 0.844

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4770 STARLINK-30405
    Semimajor Axis (a) 6849.638 km 6848.470 km
    Eccentricity (e) 0.000330 0.000039
    Inclination (i) 53.1602° 53.1587°
    RAAN 312.6836° 286.4554°
    Perigee Argument 276.4680° 291.5901°
    Mean Anomaly (M) 83.5945° 68.5058°
    Apogee 473.765 km 470.603 km
    Perigee 469.237 km 470.063 km
    Orbit Epoch 2026-10-27T07:08:24+0000 2026-10-27T07:05:14+0000

    STARLINK-4770 & STARLINK-30405 Collision Probability (Pc) Trend

    STARLINK-4770 & STARLINK-30405 Collision Probability (Pc) TrendNot Available

    STARLINK-4770 & STARLINK-30405 Miss Distance (Miss Distance) Trend

    STARLINK-4770 & STARLINK-30405 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4770Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30405Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4770Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30405Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4770

    No nearby objects data