Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.536122E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T08:36:59+0800
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    1 Object 1

    AOE ID 31305
    NORAD ID 31305
    Object Type ROCKET BODY
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59567
    NORAD ID 59567
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PEGASUS R/B STARLINK-31689
    Time of Closest Approach 2026-10-21T02:38:28+0000
    Collision Probability (Pc) 2.536122E-5
    Conjunction Distance (km) 0.975 km
    Relative Speed (km/s) 11.845 km/s
    Conjunction Risk Parameters R (Radial): 0.968 | I (In-track): -0.07 | C (Cross-track): -0.084
    Collision Risk Index (CRI) 0.63
    X Position (km) -511.621 -511.472
    Position Y (km) -4990.572 -4989.819
    Position Z (km) 4673.29 4672.691
    Velocity X (km/s) -0.911 7.577
    Velocity Y (km/s) 5.228 -0.872
    Velocity Z (km/s) 5.471 -0.101

    Orbital Parameters 国际轨道数据源

    Parameter PEGASUS R/B STARLINK-31689
    Semimajor Axis (a) 6853.418 km 6861.200 km
    Eccentricity (e) 0.000937 0.000121
    Inclination (i) 97.9432° 43.0010°
    RAAN 270.9827° 178.6268°
    Perigee Argument 237.2914° 275.5442°
    Mean Anomaly (M) 122.7423° 84.5271°
    Apogee 481.702 km 483.894 km
    Perigee 468.860 km 482.232 km
    Orbit Epoch 2026-10-20T12:19:35+0000 2026-10-20T01:08:09+0000

    PEGASUS R/B & STARLINK-31689 Collision Probability (Pc) Trend

    PEGASUS R/B & STARLINK-31689 Collision Probability (Pc) TrendNot Available

    PEGASUS R/B & STARLINK-31689 Miss Distance (Miss Distance) Trend

    PEGASUS R/B & STARLINK-31689 Miss Distance (Miss Distance) TrendNot Available

    PEGASUS R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31689Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PEGASUS R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31689Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PEGASUS R/B

    No nearby objects data