Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.017255E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T17:57:05+0800
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    1 Object 1

    AOE ID 53426
    NORAD ID 53426
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58883
    NORAD ID 58883
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4558 STARLINK-31209
    Time of Closest Approach 2026-10-28T21:12:53+0000
    Collision Probability (Pc) 1.017255E-4
    Conjunction Distance (km) 0.628 km
    Relative Speed (km/s) 12.047 km/s
    Conjunction Risk Parameters R (Radial): -0.192 | I (In-track): -0.368 | C (Cross-track): 0.471
    Collision Risk Index (CRI) 0.75
    X Position (km) -3738.78 -3738.18
    Position Y (km) 5519.46 5519.64
    Position Z (km) 1529.288 1529.243
    Velocity X (km/s) -3.129 -4.648
    Velocity Y (km/s) -3.755 -1.512
    Velocity Z (km/s) 5.869 -5.869

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4558 STARLINK-31209
    Semimajor Axis (a) 6841.161 km 6840.864 km
    Eccentricity (e) 0.000099 0.000108
    Inclination (i) 53.1584° 53.1603°
    RAAN 123.9688° 323.8956°
    Perigee Argument 19.6990° 100.9032°
    Mean Anomaly (M) 340.4050° 259.2092°
    Apogee 463.705 km 463.464 km
    Perigee 462.343 km 461.990 km
    Orbit Epoch 2026-10-26T19:06:57+0000 2026-10-26T18:28:49+0000

    STARLINK-4558 & STARLINK-31209 Collision Probability (Pc) Trend

    STARLINK-4558 & STARLINK-31209 Collision Probability (Pc) TrendNot Available

    STARLINK-4558 & STARLINK-31209 Miss Distance (Miss Distance) Trend

    STARLINK-4558 & STARLINK-31209 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4558Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31209Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4558Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31209Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4558

    No nearby objects data