Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.408102E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T10:47:09+0800
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    1 Object 1

    Name REX
    AOE ID 21527
    NORAD ID 21527
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 43481
    NORAD ID 43481
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter REX IRIDIUM 110
    Time of Closest Approach 2026-09-12T21:34:28+0000
    Collision Probability (Pc) 1.408102E-6
    Conjunction Distance (km) 2.867 km
    Relative Speed (km/s) 14.625 km/s
    Conjunction Risk Parameters R (Radial): 1.608 | I (In-track): 0.496 | C (Cross-track): 2.322
    Collision Risk Index (CRI) 0.38
    X Position (km) 364.41 362.366
    Position Y (km) 1174.827 1176.146
    Position Z (km) 7038.614 7040.131
    Velocity X (km/s) 1.842 -4.624
    Velocity Y (km/s) 7.148 -5.739
    Velocity Z (km/s) -1.251 1.194

    Orbital Parameters 国际轨道数据源

    Parameter REX IRIDIUM 110
    Semimajor Axis (a) 7191.352 km 7155.806 km
    Eccentricity (e) 0.007064 0.000228
    Inclination (i) 89.5281° 86.3933°
    RAAN 255.5961° 52.7256°
    Perigee Argument 67.0279° 97.1084°
    Mean Anomaly (M) 293.8346° 263.0371°
    Apogee 864.017 km 779.300 km
    Perigee 762.413 km 776.038 km
    Orbit Epoch 2026-09-10T13:26:38+0000 2026-09-10T12:16:06+0000

    REX & IRIDIUM 110 Collision Probability (Pc) Trend

    REX & IRIDIUM 110 Collision Probability (Pc) TrendNot Available

    REX & IRIDIUM 110 Miss Distance (Miss Distance) Trend

    REX & IRIDIUM 110 Miss Distance (Miss Distance) TrendNot Available

    REXMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 110Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    REXCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 110Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with REX

    No nearby objects data