Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.243549E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T11:36:45+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 59164
    NORAD ID 59164
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59533
    NORAD ID 59533
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31309 STARLINK-31509
    Time of Closest Approach 2026-10-16T20:55:11+0000
    Collision Probability (Pc) 6.243549E-5
    Conjunction Distance (km) 0.713 km
    Relative Speed (km/s) 10.017 km/s
    Conjunction Risk Parameters R (Radial): -0.665 | I (In-track): -0.184 | C (Cross-track): -0.172
    Collision Risk Index (CRI) 0.71
    X Position (km) 4578.323 4578.949
    Position Y (km) -4821.396 -4821.689
    Position Z (km) 1683.528 1683.7
    Velocity X (km/s) 3.322 5.022
    Velocity Y (km/s) 4.856 3.066
    Velocity Z (km/s) 4.855 -4.853

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31309 STARLINK-31509
    Semimajor Axis (a) 6861.456 km 6861.192 km
    Eccentricity (e) 0.000336 0.000099
    Inclination (i) 43.0051° 43.0014°
    RAAN 313.6604° 164.9659°
    Perigee Argument 277.4453° 279.1084°
    Mean Anomaly (M) 82.6016° 80.9656°
    Apogee 485.628 km 483.735 km
    Perigee 481.010 km 482.375 km
    Orbit Epoch 2026-10-14T01:20:53+0000 2026-10-14T02:19:09+0000

    STARLINK-31309 & STARLINK-31509 Collision Probability (Pc) Trend

    STARLINK-31309 & STARLINK-31509 Collision Probability (Pc) TrendNot Available

    STARLINK-31309 & STARLINK-31509 Miss Distance (Miss Distance) Trend

    STARLINK-31309 & STARLINK-31509 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31309Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31509Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31309Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31509Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31309

    No nearby objects data