Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.309671E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:22:22+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 47807
    NORAD ID 47807
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PEGASUS R/B STARLINK-2388
    Time of Closest Approach 2026-09-04T12:59:51+0000
    Collision Probability (Pc) 1.309671E-6
    Conjunction Distance (km) 2.877 km
    Relative Speed (km/s) 12.999 km/s
    Conjunction Risk Parameters R (Radial): 0.829 | I (In-track): 1.439 | C (Cross-track): 2.35
    Collision Risk Index (CRI) 0.37
    X Position (km) -3595.305 -3597.195
    Position Y (km) -2215.403 -2214.271
    Position Z (km) 5383.019 5381.169
    Velocity X (km/s) 4.094 2.674
    Velocity Y (km/s) 4.529 -7.063
    Velocity Z (km/s) 4.588 -1.116

    Orbital Parameters 国际轨道数据源

    Parameter PEGASUS R/B STARLINK-2388
    Semimajor Axis (a) 6855.350 km 6848.906 km
    Eccentricity (e) 0.001267 0.000137
    Inclination (i) 97.9356° 53.1595°
    RAAN 221.1751° 112.0610°
    Perigee Argument 52.2057° 75.1943°
    Mean Anomaly (M) 308.0327° 284.9210°
    Apogee 485.899 km 471.707 km
    Perigee 468.527 km 469.831 km
    Orbit Epoch 2026-09-03T21:04:04+0000 2026-09-02T21:24:37+0000

    PEGASUS R/B & STARLINK-2388 Collision Probability (Pc) Trend

    PEGASUS R/B & STARLINK-2388 Collision Probability (Pc) TrendNot Available

    PEGASUS R/B & STARLINK-2388 Miss Distance (Miss Distance) Trend

    PEGASUS R/B & STARLINK-2388 Miss Distance (Miss Distance) TrendNot Available

    PEGASUS R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2388Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PEGASUS R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2388Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PEGASUS R/B

    No nearby objects data