Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.854681E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T19:56:13+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 59079
    NORAD ID 59079
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PEGASUS R/B STARLINK-31257
    Time of Closest Approach 2026-10-21T13:32:07+0000
    Collision Probability (Pc) 7.854681E-6
    Conjunction Distance (km) 1.418 km
    Relative Speed (km/s) 14.158 km/s
    Conjunction Risk Parameters R (Radial): 0.398 | I (In-track): -0.511 | C (Cross-track): 1.261
    Collision Risk Index (CRI) 0.53
    X Position (km) -130.822 -132.004
    Position Y (km) -6343.173 -6343.78
    Position Z (km) 2605.028 2604.536
    Velocity X (km/s) -1.079 5.99
    Velocity Y (km/s) 2.892 -1.904
    Velocity Z (km/s) 6.97 -4.32

    Orbital Parameters 国际轨道数据源

    Parameter PEGASUS R/B STARLINK-31257
    Semimajor Axis (a) 6853.491 km 6861.247 km
    Eccentricity (e) 0.000928 0.000184
    Inclination (i) 97.9434° 43.0033°
    RAAN 269.0252° 129.4965°
    Perigee Argument 244.8377° 282.7447°
    Mean Anomaly (M) 115.1901° 77.3200°
    Apogee 481.712 km 484.370 km
    Perigee 468.996 km 481.850 km
    Orbit Epoch 2026-10-18T16:22:54+0000 2026-10-18T23:41:47+0000

    PEGASUS R/B & STARLINK-31257 Collision Probability (Pc) Trend

    PEGASUS R/B & STARLINK-31257 Collision Probability (Pc) TrendNot Available

    PEGASUS R/B & STARLINK-31257 Miss Distance (Miss Distance) Trend

    PEGASUS R/B & STARLINK-31257 Miss Distance (Miss Distance) TrendNot Available

    PEGASUS R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31257Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PEGASUS R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31257Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PEGASUS R/B

    No nearby objects data