Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.3778E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T19:35:18+0800
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    1 Object 1

    AOE ID 33886
    NORAD ID 33886
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 39088
    NORAD ID 39088
    Object Type PAYLOAD
    Country
    CA CA

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB SAPPHIRE
    Time of Closest Approach 2026-10-31T16:11:28+0000
    Collision Probability (Pc) 1.3778E-6
    Conjunction Distance (km) 2.937 km
    Relative Speed (km/s) 14.858 km/s
    Conjunction Risk Parameters R (Radial): 1.108 | I (In-track): 0.268 | C (Cross-track): -2.706
    Collision Risk Index (CRI) 0.38
    X Position (km) -797.525 -795.225
    Position Y (km) 3158.796 3160.484
    Position Z (km) 6364.949 6365.643
    Velocity X (km/s) -2.614 3.865
    Velocity Y (km/s) 6.125 -5.518
    Velocity Z (km/s) -3.365 3.209

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB SAPPHIRE
    Semimajor Axis (a) 7148.737 km 7152.308 km
    Eccentricity (e) 0.001175 0.001072
    Inclination (i) 86.3780° 98.4310°
    RAAN 292.0960° 119.2486°
    Perigee Argument 277.8954° 202.5458°
    Mean Anomaly (M) 255.5886° 157.5258°
    Apogee 779.003 km 781.840 km
    Perigee 762.197 km 766.502 km
    Orbit Epoch 2026-10-29T17:38:20+0000 2026-10-29T22:03:53+0000

    IRIDIUM 33 DEB & SAPPHIRE Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & SAPPHIRE Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & SAPPHIRE Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & SAPPHIRE Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SAPPHIREMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SAPPHIRECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data