Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    9.21391E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T00:45:51+0800
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    1 Object 1

    AOE ID 43249
    NORAD ID 43249
    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 144 OBJECT H
    Time of Closest Approach 2026-09-15T21:51:17+0000
    Collision Probability (Pc) 9.21391E-6
    Conjunction Distance (km) 1.334 km
    Relative Speed (km/s) 13.251 km/s
    Conjunction Risk Parameters R (Radial): 0.554 | I (In-track): -0.56 | C (Cross-track): -1.076
    Collision Risk Index (CRI) 0.54
    X Position (km) -121.247 -120.377
    Position Y (km) 1098.321 1097.393
    Position Z (km) -7079.086 -7078.685
    Velocity X (km/s) -2.287 7.1
    Velocity Y (km/s) -7.01 2.254
    Velocity Z (km/s) -1.049 0.234

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 144 OBJECT H
    Semimajor Axis (a) 7155.804 km 7163.606 km
    Eccentricity (e) 0.000218 0.001129
    Inclination (i) 86.3908° 98.6796°
    RAAN 252.8499° 17.2790°
    Perigee Argument 88.0313° 307.9275°
    Mean Anomaly (M) 272.1133° 52.0887°
    Apogee 779.227 km 793.556 km
    Perigee 776.107 km 777.382 km
    Orbit Epoch 2026-09-14T22:52:11+0000 2026-09-15T07:10:19+0000

    IRIDIUM 144 & OBJECT H Collision Probability (Pc) Trend

    IRIDIUM 144 & OBJECT H Collision Probability (Pc) TrendNot Available

    IRIDIUM 144 & OBJECT H Miss Distance (Miss Distance) Trend

    IRIDIUM 144 & OBJECT H Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 144Miss 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 144Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT HCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 144

    No nearby objects data