Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.783439E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:22:12+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 59201
    NORAD ID 59201
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59207
    NORAD ID 59207
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31603 STARLINK-31591
    Time of Closest Approach 2026-09-12T21:23:46+0000
    Collision Probability (Pc) 5.783439E-6
    Conjunction Distance (km) 0.857 km
    Relative Speed (km/s) 0.379 km/s
    Conjunction Risk Parameters R (Radial): 0.291 | I (In-track): -0.805 | C (Cross-track): 0.022
    Collision Risk Index (CRI) 0.5
    X Position (km) 236.005 236.799
    Position Y (km) -4101.203 -4100.982
    Position Z (km) -5477.141 -5476.909
    Velocity X (km/s) 7.6 7.618
    Velocity Y (km/s) 0.591 0.289
    Velocity Z (km/s) -0.115 0.113

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31603 STARLINK-31591
    Semimajor Axis (a) 6840.771 km 6840.903 km
    Eccentricity (e) 0.000134 0.000080
    Inclination (i) 53.1622° 53.1617°
    RAAN 15.6767° 9.0772°
    Perigee Argument 83.1783° 108.5929°
    Mean Anomaly (M) 276.9372° 251.5161°
    Apogee 463.550 km 463.317 km
    Perigee 461.718 km 462.215 km
    Orbit Epoch 2026-09-10T15:04:46+0000 2026-09-11T06:42:04+0000

    STARLINK-31603 & STARLINK-31591 Collision Probability (Pc) Trend

    STARLINK-31603 & STARLINK-31591 Collision Probability (Pc) TrendNot Available

    STARLINK-31603 & STARLINK-31591 Miss Distance (Miss Distance) Trend

    STARLINK-31603 & STARLINK-31591 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31603Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31591Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31603Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31591Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31603

    No nearby objects data