Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.597341E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T07:03:44+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 16682
    NORAD ID 16682
    Object Type ROCKET BODY
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 43924
    NORAD ID 43924
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-8 R/B IRIDIUM 168
    Time of Closest Approach 2026-09-18T08:09:47+0000
    Collision Probability (Pc) 5.597341E-6
    Conjunction Distance (km) 1.584 km
    Relative Speed (km/s) 14.706 km/s
    Conjunction Risk Parameters R (Radial): -1.034 | I (In-track): 0.216 | C (Cross-track): -1.179
    Collision Risk Index (CRI) 0.5
    X Position (km) 5033.473 5033.351
    Position Y (km) -5087.107 -5088.678
    Position Z (km) -145.124 -145.286
    Velocity X (km/s) 1.363 0.433
    Velocity Y (km/s) 1.54 0.229
    Velocity Z (km/s) -7.17 7.447

    Orbital Parameters 国际轨道数据源

    Parameter SL-8 R/B IRIDIUM 168
    Semimajor Axis (a) 7145.325 km 7155.807 km
    Eccentricity (e) 0.001388 0.000224
    Inclination (i) 74.0251° 86.3983°
    RAAN 140.2659° 315.9259°
    Perigee Argument 15.9533° 95.6126°
    Mean Anomaly (M) 136.1527° 264.5326°
    Apogee 777.108 km 779.274 km
    Perigee 757.268 km 776.066 km
    Orbit Epoch 2026-09-15T03:11:28+0000 2026-09-15T13:11:27+0000

    SL-8 R/B & IRIDIUM 168 Collision Probability (Pc) Trend

    SL-8 R/B & IRIDIUM 168 Collision Probability (Pc) TrendNot Available

    SL-8 R/B & IRIDIUM 168 Miss Distance (Miss Distance) Trend

    SL-8 R/B & IRIDIUM 168 Miss Distance (Miss Distance) TrendNot Available

    SL-8 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 168Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-8 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 168Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-8 R/B

    No nearby objects data