Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.133768E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:33:01+0800
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    1 Object 1

    AOE ID 54785
    NORAD ID 54785
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59271
    NORAD ID 59271
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5440 STARLINK-31630
    Time of Closest Approach 2026-09-14T09:49:39+0000
    Collision Probability (Pc) 2.133768E-6
    Conjunction Distance (km) 2.14 km
    Relative Speed (km/s) 12.04 km/s
    Conjunction Risk Parameters R (Radial): 2.132 | I (In-track): 0.112 | C (Cross-track): -0.145
    Collision Risk Index (CRI) 0.42
    X Position (km) 6331.797 6329.881
    Position Y (km) 2064.16 2063.343
    Position Z (km) 1558.521 1558.037
    Velocity X (km/s) -0.146 -2.769
    Velocity Y (km/s) 4.898 4.043
    Velocity Z (km/s) -5.859 5.86

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5440 STARLINK-31630
    Semimajor Axis (a) 6840.879 km 6839.334 km
    Eccentricity (e) 0.000088 0.000080
    Inclination (i) 53.1575° 53.1604°
    RAAN 218.6559° 20.7621°
    Perigee Argument 87.5991° 28.4640°
    Mean Anomaly (M) 272.5112° 331.6407°
    Apogee 463.344 km 461.744 km
    Perigee 462.140 km 460.650 km
    Orbit Epoch 2026-09-12T03:58:04+0000 2026-09-11T16:07:24+0000

    STARLINK-5440 & STARLINK-31630 Collision Probability (Pc) Trend

    STARLINK-5440 & STARLINK-31630 Collision Probability (Pc) TrendNot Available

    STARLINK-5440 & STARLINK-31630 Miss Distance (Miss Distance) Trend

    STARLINK-5440 & STARLINK-31630 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5440Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31630Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5440Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31630Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5440

    No nearby objects data