Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.698505E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T00:46:05+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 59781
    NORAD ID 59781
    Object Type UNKNOWN
    Country
    CIS CIS

    Conjunction Constraints

    Parameter IRIDIUM 144 OBJECT J
    Time of Closest Approach 2026-09-16T19:37:21+0000
    Collision Probability (Pc) 4.698505E-5
    Conjunction Distance (km) 0.831 km
    Relative Speed (km/s) 13.326 km/s
    Conjunction Risk Parameters R (Radial): 0.691 | I (In-track): -0.201 | C (Cross-track): -0.414
    Collision Risk Index (CRI) 0.68
    X Position (km) -112.181 -111.848
    Position Y (km) 1104.452 1104.022
    Position Z (km) -7078.283 -7077.656
    Velocity X (km/s) -2.333 7.063
    Velocity Y (km/s) -6.994 2.363
    Velocity Z (km/s) -1.055 0.261

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 144 OBJECT J
    Semimajor Axis (a) 7155.804 km 7163.605 km
    Eccentricity (e) 0.000218 0.001118
    Inclination (i) 86.3908° 98.6796°
    RAAN 252.8499° 17.2834°
    Perigee Argument 88.0313° 308.1700°
    Mean Anomaly (M) 272.1133° 51.8475°
    Apogee 779.227 km 793.474 km
    Perigee 776.107 km 777.462 km
    Orbit Epoch 2026-09-14T22:52:11+0000 2026-09-15T07:08:11+0000

    IRIDIUM 144 & OBJECT J Collision Probability (Pc) Trend

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

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

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

    IRIDIUM 144Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT JMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 144Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT JCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 144

    No nearby objects data