Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.157539E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T11:24:06+0800
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    1 Object 1

    AOE ID 11080
    NORAD ID 11080
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 39255
    NORAD ID 39255
    Object Type ROCKET BODY
    Country
    JP JP

    Conjunction Constraints

    Parameter NIMBUS 7 EPSILON R/B
    Time of Closest Approach 2026-09-15T14:35:19+0000
    Collision Probability (Pc) 6.157539E-6
    Conjunction Distance (km) 1.504 km
    Relative Speed (km/s) 13.201 km/s
    Conjunction Risk Parameters R (Radial): -0.923 | I (In-track): -0.516 | C (Cross-track): -1.067
    Collision Risk Index (CRI) 0.51
    X Position (km) 5667.948 5666.733
    Position Y (km) -4468.351 -4468.624
    Position Z (km) -1315.618 -1314.777
    Velocity X (km/s) -1.777 4.527
    Velocity Y (km/s) -0.165 4.677
    Velocity Z (km/s) -7.149 3.39

    Orbital Parameters 国际轨道数据源

    Parameter NIMBUS 7 EPSILON R/B
    Semimajor Axis (a) 7326.025 km 7266.205 km
    Eccentricity (e) 0.000948 0.011291
    Inclination (i) 99.4537° 29.7514°
    RAAN 141.4153° 351.2720°
    Perigee Argument 41.0514° 173.1009°
    Mean Anomaly (M) 319.1352° 187.1155°
    Apogee 954.832 km 970.109 km
    Perigee 940.944 km 806.027 km
    Orbit Epoch 2026-09-13T13:06:38+0000 2026-09-13T14:50:00+0000

    NIMBUS 7 & EPSILON R/B Collision Probability (Pc) Trend

    NIMBUS 7 & EPSILON R/B Collision Probability (Pc) TrendNot Available

    NIMBUS 7 & EPSILON R/B Miss Distance (Miss Distance) Trend

    NIMBUS 7 & EPSILON R/B Miss Distance (Miss Distance) TrendNot Available

    NIMBUS 7Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    EPSILON R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NIMBUS 7Collision Probability Trend

    Object 1 Probability TrendNot Available

    EPSILON R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NIMBUS 7

    No nearby objects data