Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.096356E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T19:21:34+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 55630
    NORAD ID 55630
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PEGASUS R/B STARLINK-5303
    Time of Closest Approach 2026-10-21T06:04:29+0000
    Collision Probability (Pc) 1.096356E-5
    Conjunction Distance (km) 1.205 km
    Relative Speed (km/s) 10.252 km/s
    Conjunction Risk Parameters R (Radial): -0.256 | I (In-track): -0.87 | C (Cross-track): -0.791
    Collision Risk Index (CRI) 0.56
    X Position (km) -959.562 -958.761
    Position Y (km) 2442.915 2442.035
    Position Z (km) 6327.669 6327.853
    Velocity X (km/s) 0.16 -7.499
    Velocity Y (km/s) 7.119 0.453
    Velocity Z (km/s) -2.725 -1.309

    Orbital Parameters 国际轨道数据源

    Parameter PEGASUS R/B STARLINK-5303
    Semimajor Axis (a) 6853.451 km 6855.205 km
    Eccentricity (e) 0.000933 0.000318
    Inclination (i) 97.9432° 69.9982°
    RAAN 270.0738° 356.4160°
    Perigee Argument 240.7846° 270.5478°
    Mean Anomaly (M) 119.2460° 89.5333°
    Apogee 481.707 km 479.249 km
    Perigee 468.921 km 474.887 km
    Orbit Epoch 2026-10-19T15:55:25+0000 2026-10-19T22:14:48+0000

    PEGASUS R/B & STARLINK-5303 Collision Probability (Pc) Trend

    PEGASUS R/B & STARLINK-5303 Collision Probability (Pc) TrendNot Available

    PEGASUS R/B & STARLINK-5303 Miss Distance (Miss Distance) Trend

    PEGASUS R/B & STARLINK-5303 Miss Distance (Miss Distance) TrendNot Available

    PEGASUS R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5303Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PEGASUS R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5303Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PEGASUS R/B

    No nearby objects data