Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.272925E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:34:15+0800
    View CDM
    Download CDM 1.0

    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 2026-10-29T17:14:50+0000
    Collision Probability (Pc) 2.272925E-5
    Conjunction Distance (km) 0.92 km
    Relative Speed (km/s) 7.672 km/s
    Conjunction Risk Parameters R (Radial): 0.363 | I (In-track): 0.734 | C (Cross-track): 0.42
    Collision Risk Index (CRI) 0.62
    X Position (km) -4720.112 -4720.856
    Position Y (km) 3372.992 3372.486
    Position Z (km) 3654.898 3655.086
    Velocity X (km/s) -5.5 -2.167
    Velocity Y (km/s) -4.173 -6.555
    Velocity Z (km/s) -3.243 3.242

    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