Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.151593E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:10:54+0800
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    1 Object 1

    AOE ID 57173
    NORAD ID 57173
    Object Type UNKNOWN
    Country
    TBD TBD
    VS

    2 Object 2

    AOE ID 59658
    NORAD ID 59658
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT H STARLINK-31858
    Time of Closest Approach 2026-09-04T06:43:41+0000
    Collision Probability (Pc) 4.151593E-6
    Conjunction Distance (km) 1.732 km
    Relative Speed (km/s) 14.206 km/s
    Conjunction Risk Parameters R (Radial): -1.614 | I (In-track): 0.234 | C (Cross-track): -0.582
    Collision Risk Index (CRI) 0.47
    X Position (km) 4500.349 4499.752
    Position Y (km) -4716.324 -4714.91
    Position Z (km) -2150.46 -2149.659
    Velocity X (km/s) 0.873 3.196
    Velocity Y (km/s) -2.43 5.152
    Velocity Z (km/s) 7.166 -4.62

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT H STARLINK-31858
    Semimajor Axis (a) 6853.634 km 6861.226 km
    Eccentricity (e) 0.000916 0.000112
    Inclination (i) 97.4970° 43.0016°
    RAAN 309.4554° 124.9690°
    Perigee Argument 190.1564° 276.9904°
    Mean Anomaly (M) 169.9492° 83.0820°
    Apogee 481.778 km 483.861 km
    Perigee 469.216 km 482.317 km
    Orbit Epoch 2026-09-02T14:00:05+0000 2026-09-02T03:36:30+0000

    OBJECT H & STARLINK-31858 Collision Probability (Pc) Trend

    OBJECT H & STARLINK-31858 Collision Probability (Pc) TrendNot Available

    OBJECT H & STARLINK-31858 Miss Distance (Miss Distance) Trend

    OBJECT H & STARLINK-31858 Miss Distance (Miss Distance) TrendNot Available

    OBJECT HMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31858Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT HCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31858Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT H

    No nearby objects data