Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.210965E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T12:08:12+0800
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    1 Object 1

    AOE ID 20763
    NORAD ID 20763
    Object Type ROCKET BODY
    Country
    US US
    VS

    2 Object 2

    AOE ID 52458
    NORAD ID 52458
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DELTA 2 R/B STARLINK-3898
    Time of Closest Approach 2026-09-06T12:01:02+0000
    Collision Probability (Pc) 1.210965E-6
    Conjunction Distance (km) 2.68 km
    Relative Speed (km/s) 9.54 km/s
    Conjunction Risk Parameters R (Radial): 0.455 | I (In-track): -2.059 | C (Cross-track): 1.653
    Collision Risk Index (CRI) 0.37
    X Position (km) -5852.687 -5851.709
    Position Y (km) 3445.756 3448.14
    Position Z (km) 844.954 845.687
    Velocity X (km/s) -3.35 -2.996
    Velocity Y (km/s) -6.255 -3.587
    Velocity Z (km/s) 3.115 -6.037

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 2 R/B STARLINK-3898
    Semimajor Axis (a) 7057.427 km 6845.388 km
    Eccentricity (e) 0.032664 0.000153
    Inclination (i) 24.7589° 53.1597°
    RAAN 150.8266° 347.2935°
    Perigee Argument 323.1357° 79.5667°
    Mean Anomaly (M) 34.7107° 122.6716°
    Apogee 909.815 km 468.296 km
    Perigee 448.765 km 466.206 km
    Orbit Epoch 2026-09-03T20:08:54+0000 2026-09-03T20:00:02+0000

    DELTA 2 R/B & STARLINK-3898 Collision Probability (Pc) Trend

    DELTA 2 R/B & STARLINK-3898 Collision Probability (Pc) TrendNot Available

    DELTA 2 R/B & STARLINK-3898 Miss Distance (Miss Distance) Trend

    DELTA 2 R/B & STARLINK-3898 Miss Distance (Miss Distance) TrendNot Available

    DELTA 2 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3898Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 2 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3898Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 2 R/B

    No nearby objects data