Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.150761E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T13:15:47+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 58484
    NORAD ID 58484
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59031
    NORAD ID 59031
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30991 STARLINK-31211
    Time of Closest Approach 2026-10-25T18:03:58+0000
    Collision Probability (Pc) 1.150761E-5
    Conjunction Distance (km) 0.947 km
    Relative Speed (km/s) 3.262 km/s
    Conjunction Risk Parameters R (Radial): 0.309 | I (In-track): 0.874 | C (Cross-track): 0.194
    Collision Risk Index (CRI) 0.56
    X Position (km) 511.15 510.237
    Position Y (km) -5108.646 -5108.506
    Position Z (km) 4543.72 4543.514
    Velocity X (km/s) 7.305 7.521
    Velocity Y (km/s) 1.819 -0.335
    Velocity Z (km/s) 1.221 -1.219

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30991 STARLINK-31211
    Semimajor Axis (a) 6861.255 km 6860.637 km
    Eccentricity (e) 0.000195 0.000287
    Inclination (i) 43.0044° 42.9994°
    RAAN 212.9323° 177.1730°
    Perigee Argument 245.7362° 261.2397°
    Mean Anomaly (M) 114.3287° 98.8129°
    Apogee 484.454 km 484.472 km
    Perigee 481.782 km 480.528 km
    Orbit Epoch 2026-10-24T04:04:12+0000 2026-10-24T00:49:13+0000

    STARLINK-30991 & STARLINK-31211 Collision Probability (Pc) Trend

    STARLINK-30991 & STARLINK-31211 Collision Probability (Pc) TrendNot Available

    STARLINK-30991 & STARLINK-31211 Miss Distance (Miss Distance) Trend

    STARLINK-30991 & STARLINK-31211 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30991Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31211Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30991Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31211Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30991

    No nearby objects data