Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.335622E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T21:06:13+0800
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    1 Object 1

    AOE ID 12904
    NORAD ID 12904
    Object Type ROCKET BODY
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 45693
    NORAD ID 45693
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-3 R/B STARLINK-1417
    Time of Closest Approach 2026-09-13T22:43:55+0000
    Collision Probability (Pc) 3.335622E-6
    Conjunction Distance (km) 1.694 km
    Relative Speed (km/s) 9.187 km/s
    Conjunction Risk Parameters R (Radial): -1.122 | I (In-track): -1.013 | C (Cross-track): -0.762
    Collision Risk Index (CRI) 0.45
    X Position (km) -4131.888 -4131.913
    Position Y (km) -305.484 -304.487
    Position Z (km) -5504.174 -5502.806
    Velocity X (km/s) 5.997 0.645
    Velocity Y (km/s) -1.503 -7.572
    Velocity Z (km/s) -4.413 -0.065

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 R/B STARLINK-1417
    Semimajor Axis (a) 6875.306 km 6881.021 km
    Eccentricity (e) 0.001297 0.000394
    Inclination (i) 81.1617° 53.0471°
    RAAN 355.4375° 288.1365°
    Perigee Argument 24.6934° 76.0008°
    Mean Anomaly (M) 335.4916° 284.1425°
    Apogee 506.089 km 505.595 km
    Perigee 488.249 km 500.173 km
    Orbit Epoch 2026-09-11T06:37:51+0000 2026-09-11T03:19:11+0000

    SL-3 R/B & STARLINK-1417 Collision Probability (Pc) Trend

    SL-3 R/B & STARLINK-1417 Collision Probability (Pc) TrendNot Available

    SL-3 R/B & STARLINK-1417 Miss Distance (Miss Distance) Trend

    SL-3 R/B & STARLINK-1417 Miss Distance (Miss Distance) TrendNot Available

    SL-3 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-1417Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-1417Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 R/B

    No nearby objects data