Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.843729E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T12:07:08+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 59096
    NORAD ID 59096
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PEGASUS R/B STARLINK-31291
    Time of Closest Approach 2026-10-18T11:49:42+0000
    Collision Probability (Pc) 2.843729E-6
    Conjunction Distance (km) 1.964 km
    Relative Speed (km/s) 13.602 km/s
    Conjunction Risk Parameters R (Radial): -0.629 | I (In-track): 0.84 | C (Cross-track): -1.658
    Collision Risk Index (CRI) 0.44
    X Position (km) -666.151 -664.532
    Position Y (km) -5564.235 -5563.268
    Position Z (km) 3950.724 3951.267
    Velocity X (km/s) -0.764 6.546
    Velocity Y (km/s) 4.457 -2.76
    Velocity Z (km/s) 6.137 -2.778

    Orbital Parameters 国际轨道数据源

    Parameter PEGASUS R/B STARLINK-31291
    Semimajor Axis (a) 6853.605 km 6861.186 km
    Eccentricity (e) 0.000918 0.000069
    Inclination (i) 97.9430° 43.0032°
    RAAN 266.5785° 141.3547°
    Perigee Argument 254.4870° 250.8465°
    Mean Anomaly (M) 105.5356° 109.2312°
    Apogee 481.759 km 483.522 km
    Perigee 469.177 km 482.576 km
    Orbit Epoch 2026-10-16T09:26:59+0000 2026-10-16T21:38:00+0000

    PEGASUS R/B & STARLINK-31291 Collision Probability (Pc) Trend

    PEGASUS R/B & STARLINK-31291 Collision Probability (Pc) TrendNot Available

    PEGASUS R/B & STARLINK-31291 Miss Distance (Miss Distance) Trend

    PEGASUS R/B & STARLINK-31291 Miss Distance (Miss Distance) TrendNot Available

    PEGASUS R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31291Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PEGASUS R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31291Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PEGASUS R/B

    No nearby objects data