Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.726655E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T06:15:40+0800
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    1 Object 1

    AOE ID 17304
    NORAD ID 17304
    Object Type ROCKET BODY
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 41921
    NORAD ID 41921
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-8 R/B IRIDIUM 105
    Time of Closest Approach 2026-09-17T12:08:28+0000
    Collision Probability (Pc) 7.726655E-7
    Conjunction Distance (km) 2.476 km
    Relative Speed (km/s) 3.398 km/s
    Conjunction Risk Parameters R (Radial): -1.538 | I (In-track): 1.89 | C (Cross-track): -0.434
    Collision Risk Index (CRI) 0.33
    X Position (km) -3230.579 -3228.167
    Position Y (km) -1478.152 -1477.803
    Position Z (km) -6223.329 -6222.892
    Velocity X (km/s) 6.606 6.229
    Velocity Y (km/s) -1.512 1.813
    Velocity Z (km/s) -3.072 -3.664

    Orbital Parameters 国际轨道数据源

    Parameter SL-8 R/B IRIDIUM 105
    Semimajor Axis (a) 7139.193 km 7155.805 km
    Eccentricity (e) 0.002803 0.000230
    Inclination (i) 74.0602° 86.4009°
    RAAN 358.0884° 19.1863°
    Perigee Argument 70.0794° 98.4795°
    Mean Anomaly (M) 290.3376° 261.6662°
    Apogee 781.066 km 779.315 km
    Perigee 741.046 km 776.021 km
    Orbit Epoch 2026-09-15T13:58:04+0000 2026-09-15T07:06:57+0000

    SL-8 R/B & IRIDIUM 105 Collision Probability (Pc) Trend

    SL-8 R/B & IRIDIUM 105 Collision Probability (Pc) TrendNot Available

    SL-8 R/B & IRIDIUM 105 Miss Distance (Miss Distance) Trend

    SL-8 R/B & IRIDIUM 105 Miss Distance (Miss Distance) TrendNot Available

    SL-8 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 105Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-8 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 105Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-8 R/B

    No nearby objects data