Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.333461E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-02T23:59:15+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 57931
    NORAD ID 57931
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PEGASUS R/B STARLINK-30488
    Time of Closest Approach 2026-09-03T12:26:50+0000
    Collision Probability (Pc) 1.333461E-6
    Conjunction Distance (km) 2.968 km
    Relative Speed (km/s) 14.362 km/s
    Conjunction Risk Parameters R (Radial): -2.839 | I (In-track): 0.292 | C (Cross-track): 0.814
    Collision Risk Index (CRI) 0.37
    X Position (km) 5227.321 5224.644
    Position Y (km) 4425.544 4424.28
    Position Z (km) -462.562 -462.771
    Velocity X (km/s) 0.304 -3.347
    Velocity Y (km/s) -1.123 4.487
    Velocity Z (km/s) -7.529 5.177

    Orbital Parameters 国际轨道数据源

    Parameter PEGASUS R/B STARLINK-30488
    Semimajor Axis (a) 6855.419 km 6861.187 km
    Eccentricity (e) 0.001280 0.000089
    Inclination (i) 97.9354° 43.0025°
    RAAN 219.0811° 55.8638°
    Perigee Argument 58.2340° 205.2566°
    Mean Anomaly (M) 302.0144° 154.8243°
    Apogee 486.059 km 483.661 km
    Perigee 468.505 km 482.439 km
    Orbit Epoch 2026-09-01T21:57:52+0000 2026-09-01T11:49:29+0000

    PEGASUS R/B & STARLINK-30488 Collision Probability (Pc) Trend

    PEGASUS R/B & STARLINK-30488 Collision Probability (Pc) TrendNot Available

    PEGASUS R/B & STARLINK-30488 Miss Distance (Miss Distance) Trend

    PEGASUS R/B & STARLINK-30488 Miss Distance (Miss Distance) TrendNot Available

    PEGASUS R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30488Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PEGASUS R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30488Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PEGASUS R/B

    No nearby objects data