Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.735332E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:29:52+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 57477
    NORAD ID 57477
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59351
    NORAD ID 59351
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30176 STARLINK-31555
    Time of Closest Approach 2026-09-12T00:15:13+0000
    Collision Probability (Pc) 1.735332E-5
    Conjunction Distance (km) 0.959 km
    Relative Speed (km/s) 6.4 km/s
    Conjunction Risk Parameters R (Radial): -0.615 | I (In-track): -0.668 | C (Cross-track): -0.305
    Collision Risk Index (CRI) 0.6
    X Position (km) 3116.466 3116.139
    Position Y (km) 4561.244 4562.07
    Position Z (km) 4059.913 4060.275
    Velocity X (km/s) -6.788 -4.647
    Velocity Y (km/s) 2.339 5.472
    Velocity Z (km/s) 2.577 -2.576

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30176 STARLINK-31555
    Semimajor Axis (a) 6861.107 km 6861.199 km
    Eccentricity (e) 0.000108 0.000133
    Inclination (i) 43.0035° 43.0019°
    RAAN 20.2916° 291.9071°
    Perigee Argument 261.4325° 276.0757°
    Mean Anomaly (M) 98.6404° 83.9942°
    Apogee 483.709 km 483.978 km
    Perigee 482.231 km 482.146 km
    Orbit Epoch 2026-09-09T01:22:37+0000 2026-09-11T06:28:13+0000

    STARLINK-30176 & STARLINK-31555 Collision Probability (Pc) Trend

    STARLINK-30176 & STARLINK-31555 Collision Probability (Pc) TrendNot Available

    STARLINK-30176 & STARLINK-31555 Miss Distance (Miss Distance) Trend

    STARLINK-30176 & STARLINK-31555 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30176Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31555Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30176Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31555Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30176

    No nearby objects data