Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.996183E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T13:14:12+0800
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    1 Object 1

    AOE ID 10517
    NORAD ID 10517
    Object Type ROCKET BODY
    Country
    US US
    VS

    2 Object 2

    AOE ID 58419
    NORAD ID 58419
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DELTA 1 R/B(1) STARLINK-30917
    Time of Closest Approach 2026-09-10T07:03:11+0000
    Collision Probability (Pc) 6.996183E-7
    Conjunction Distance (km) 2.418 km
    Relative Speed (km/s) 2.595 km/s
    Conjunction Risk Parameters R (Radial): -2.405 | I (In-track): -0.174 | C (Cross-track): 0.171
    Collision Risk Index (CRI) 0.32
    X Position (km) -6321.402 -6319.282
    Position Y (km) -760.641 -760.275
    Position Z (km) -2568.614 -2567.512
    Velocity X (km/s) 1.728 2.458
    Velocity Y (km/s) -7.337 -5.757
    Velocity Z (km/s) -2.424 -4.348

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 R/B(1) STARLINK-30917
    Semimajor Axis (a) 7458.385 km 6861.170 km
    Eccentricity (e) 0.081186 0.000237
    Inclination (i) 28.6628° 43.0059°
    RAAN 321.4108° 346.9749°
    Perigee Argument 215.4897° 293.6462°
    Mean Anomaly (M) 138.8930° 66.4141°
    Apogee 1685.764 km 484.656 km
    Perigee 474.732 km 481.410 km
    Orbit Epoch 2026-09-09T21:00:18+0000 2026-09-09T06:35:06+0000

    DELTA 1 R/B(1) & STARLINK-30917 Collision Probability (Pc) Trend

    DELTA 1 R/B(1) & STARLINK-30917 Collision Probability (Pc) TrendNot Available

    DELTA 1 R/B(1) & STARLINK-30917 Miss Distance (Miss Distance) Trend

    DELTA 1 R/B(1) & STARLINK-30917 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 R/B(1)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30917Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 R/B(1)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30917Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 R/B(1)

    No nearby objects data