Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.495667E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T01:12:27+0800
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    1 Object 1

    AOE ID 59300
    NORAD ID 59300
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59657
    NORAD ID 59657
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31489 STARLINK-31904
    Time of Closest Approach 2026-10-30T00:17:05+0000
    Collision Probability (Pc) 1.495667E-6
    Conjunction Distance (km) 2.432 km
    Relative Speed (km/s) 10.377 km/s
    Conjunction Risk Parameters R (Radial): 1.134 | I (In-track): -1.576 | C (Cross-track): 1.464
    Collision Risk Index (CRI) 0.38
    X Position (km) 6539.967 6540.413
    Position Y (km) -2017.629 -2020.018
    Position Z (km) -478.067 -478.146
    Velocity X (km/s) 1.989 1.307
    Velocity Y (km/s) 5.235 5.445
    Velocity Z (km/s) 5.176 -5.176

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31489 STARLINK-31904
    Semimajor Axis (a) 6861.168 km 6861.686 km
    Eccentricity (e) 0.000139 0.000233
    Inclination (i) 43.0011° 43.0027°
    RAAN 359.3386° 173.5027°
    Perigee Argument 284.6677° 247.7047°
    Mean Anomaly (M) 75.4020° 112.3558°
    Apogee 483.986 km 485.146 km
    Perigee 482.076 km 481.952 km
    Orbit Epoch 2026-10-27T20:31:32+0000 2026-10-27T08:41:44+0000

    STARLINK-31489 & STARLINK-31904 Collision Probability (Pc) Trend

    STARLINK-31489 & STARLINK-31904 Collision Probability (Pc) TrendNot Available

    STARLINK-31489 & STARLINK-31904 Miss Distance (Miss Distance) Trend

    STARLINK-31489 & STARLINK-31904 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31489Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31904Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31489Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31904Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31489

    No nearby objects data