Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.596887E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:34:15+0800
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    1 Object 1

    AOE ID 58873
    NORAD ID 58873
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59539
    NORAD ID 59539
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31177 STARLINK-31539
    Time of Closest Approach 2026-10-29T18:49:00+0000
    Collision Probability (Pc) 3.596887E-6
    Conjunction Distance (km) 1.589 km
    Relative Speed (km/s) 7.672 km/s
    Conjunction Risk Parameters R (Radial): 0.361 | I (In-track): -1.336 | C (Cross-track): -0.778
    Collision Risk Index (CRI) 0.46
    X Position (km) -4699.277 -4698.617
    Position Y (km) 3402.6 3404.032
    Position Z (km) 3654.31 3654.502
    Velocity X (km/s) -5.526 -2.21
    Velocity Y (km/s) -4.138 -6.54
    Velocity Z (km/s) -3.244 3.243

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31177 STARLINK-31539
    Semimajor Axis (a) 6861.193 km 6861.165 km
    Eccentricity (e) 0.000118 0.000176
    Inclination (i) 43.0104° 43.0016°
    RAAN 20.7668° 115.8711°
    Perigee Argument 258.3058° 268.0067°
    Mean Anomaly (M) 101.7661° 232.3759°
    Apogee 483.870 km 484.233 km
    Perigee 482.242 km 481.823 km
    Orbit Epoch 2026-10-27T06:37:28+0000 2026-10-27T06:00:04+0000

    STARLINK-31177 & STARLINK-31539 Collision Probability (Pc) Trend

    STARLINK-31177 & STARLINK-31539 Collision Probability (Pc) TrendNot Available

    STARLINK-31177 & STARLINK-31539 Miss Distance (Miss Distance) Trend

    STARLINK-31177 & STARLINK-31539 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31177Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31539Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31177Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31539Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31177

    No nearby objects data