Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.198236E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T03:41:43+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 28983
    NORAD ID 28983
    Object Type ROCKET BODY
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64123
    NORAD ID 64123
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PEGASUS R/B STARLINK-11727
    Time of Closest Approach 2026-10-21T14:15:26+0000
    Collision Probability (Pc) 1.198236E-6
    Conjunction Distance (km) 2.668 km
    Relative Speed (km/s) 9.26 km/s
    Conjunction Risk Parameters R (Radial): 2.56 | I (In-track): -0.653 | C (Cross-track): 0.375
    Collision Risk Index (CRI) 0.37
    X Position (km) 806.552 807.064
    Position Y (km) 6045.57 6048.156
    Position Z (km) 2836.509 2836.922
    Velocity X (km/s) 2.014 -6.41
    Velocity Y (km/s) -3.266 -1.086
    Velocity Z (km/s) 7.29 4.126

    Orbital Parameters 国际轨道数据源

    Parameter PEGASUS R/B STARLINK-11727
    Semimajor Axis (a) 7866.811 km 6732.335 km
    Eccentricity (e) 0.152168 0.000144
    Inclination (i) 105.5246° 42.9998°
    RAAN 87.8836° 59.0741°
    Perigee Argument 7.5529° 278.1333°
    Mean Anomaly (M) 354.5899° 42.8339°
    Apogee 2685.754 km 355.171 km
    Perigee 291.594 km 353.225 km
    Orbit Epoch 2026-10-20T03:25:40+0000 2026-10-20T12:00:03+0000

    PEGASUS R/B & STARLINK-11727 Collision Probability (Pc) Trend

    PEGASUS R/B & STARLINK-11727 Collision Probability (Pc) TrendNot Available

    PEGASUS R/B & STARLINK-11727 Miss Distance (Miss Distance) Trend

    PEGASUS R/B & STARLINK-11727 Miss Distance (Miss Distance) TrendNot Available

    PEGASUS R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11727Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PEGASUS R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11727Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PEGASUS R/B

    No nearby objects data