Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.824756E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T02:39:45+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 43254
    NORAD ID 43254
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59780
    NORAD ID 59780
    Object Type UNKNOWN
    Country
    CIS CIS

    Conjunction Constraints

    Parameter IRIDIUM 146 OBJECT H
    Time of Closest Approach 2026-10-22T22:10:23+0000
    Collision Probability (Pc) 2.824756E-6
    Conjunction Distance (km) 2.014 km
    Relative Speed (km/s) 14.919 km/s
    Conjunction Risk Parameters R (Radial): 0.973 | I (In-track): 0.076 | C (Cross-track): 1.762
    Collision Risk Index (CRI) 0.44
    X Position (km) -3481.05 -3482.978
    Position Y (km) -5663.141 -5662.931
    Position Z (km) 2646.522 2647.062
    Velocity X (km/s) 1.878 -2.464
    Velocity Y (km/s) 2.092 -1.69
    Velocity Z (km/s) 6.917 -6.846

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 146 OBJECT H
    Semimajor Axis (a) 7155.804 km 7163.565 km
    Eccentricity (e) 0.000219 0.001212
    Inclination (i) 86.3963° 98.6843°
    RAAN 237.3356° 54.3277°
    Perigee Argument 86.3985° 191.1334°
    Mean Anomaly (M) 273.7461° 168.9582°
    Apogee 779.235 km 794.114 km
    Perigee 776.099 km 776.742 km
    Orbit Epoch 2026-10-22T01:58:43+0000 2026-10-22T08:01:16+0000

    IRIDIUM 146 & OBJECT H Collision Probability (Pc) Trend

    IRIDIUM 146 & OBJECT H Collision Probability (Pc) TrendNot Available

    IRIDIUM 146 & OBJECT H Miss Distance (Miss Distance) Trend

    IRIDIUM 146 & OBJECT H Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 146Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT HMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 146Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT HCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 146

    No nearby objects data