Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.004597E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:17:48+0800
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    1 Object 1

    AOE ID 53432
    NORAD ID 53432
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61230
    NORAD ID 61230
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4557 OBJECT D
    Time of Closest Approach 2026-10-28T12:06:29+0000
    Collision Probability (Pc) 7.004597E-6
    Conjunction Distance (km) 1.409 km
    Relative Speed (km/s) 11.654 km/s
    Conjunction Risk Parameters R (Radial): 1.251 | I (In-track): -0.425 | C (Cross-track): -0.49
    Collision Risk Index (CRI) 0.52
    X Position (km) -3568.888 -3568.404
    Position Y (km) -2026.311 -2026.483
    Position Z (km) 5463.127 5461.815
    Velocity X (km/s) 3.498 -5.998
    Velocity Y (km/s) -6.787 -1.535
    Velocity Z (km/s) -0.232 -4.479

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4557 OBJECT D
    Semimajor Axis (a) 6840.878 km 6843.309 km
    Eccentricity (e) 0.000123 0.000986
    Inclination (i) 53.1598° 97.3465°
    RAAN 123.9614° 18.4491°
    Perigee Argument 86.6279° 141.0727°
    Mean Anomaly (M) 273.4864° 219.1227°
    Apogee 463.580 km 471.922 km
    Perigee 461.902 km 458.422 km
    Orbit Epoch 2026-10-26T19:03:49+0000 2026-10-27T05:48:23+0000

    STARLINK-4557 & OBJECT D Collision Probability (Pc) Trend

    STARLINK-4557 & OBJECT D Collision Probability (Pc) TrendNot Available

    STARLINK-4557 & OBJECT D Miss Distance (Miss Distance) Trend

    STARLINK-4557 & OBJECT D Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4557Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4557Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4557

    No nearby objects data