Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.987461E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:39:38+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 67446
    NORAD ID 67446
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31539 STARLINK-36539
    Time of Closest Approach 2026-09-07T19:08:20+0000
    Collision Probability (Pc) 1.987461E-6
    Conjunction Distance (km) 2.084 km
    Relative Speed (km/s) 9.714 km/s
    Conjunction Risk Parameters R (Radial): 0.487 | I (In-track): 1.568 | C (Cross-track): -1.284
    Collision Risk Index (CRI) 0.41
    X Position (km) 3619.674 3618.246
    Position Y (km) 5403.897 5405.406
    Position Z (km) 2175.927 2176.088
    Velocity X (km/s) -5.746 -4.027
    Velocity Y (km/s) 1.988 4.556
    Velocity Z (km/s) 4.605 -4.604

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31539 STARLINK-36539
    Semimajor Axis (a) 6861.210 km 6861.136 km
    Eccentricity (e) 0.000160 0.000187
    Inclination (i) 43.0047° 43.0026°
    RAAN 51.8008° 275.4982°
    Perigee Argument 268.6068° 268.3160°
    Mean Anomaly (M) 91.4600° 91.7478°
    Apogee 484.172 km 484.283 km
    Perigee 481.974 km 481.715 km
    Orbit Epoch 2026-09-04T20:24:02+0000 2026-09-04T13:35:02+0000

    STARLINK-31539 & STARLINK-36539 Collision Probability (Pc) Trend

    STARLINK-31539 & STARLINK-36539 Collision Probability (Pc) TrendNot Available

    STARLINK-31539 & STARLINK-36539 Miss Distance (Miss Distance) Trend

    STARLINK-31539 & STARLINK-36539 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31539Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36539Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31539Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36539Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31539

    No nearby objects data