Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.110094E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-09T13:55:10+0800
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    1 Object 1

    Name NAPA-1
    AOE ID 46320
    NORAD ID 46320
    Object Type PAYLOAD
    Country
    TH TH
    ← VS →

    2 Object 2

    Name ADRAS-J
    AOE ID 58992
    NORAD ID 58992
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter NAPA-1 ADRAS-J
    Time of Closest Approach 2026-10-09T06:18:00+0000
    Collision Probability (Pc) 1.110094E-6
    Conjunction Distance (km) 2.151 km
    Relative Speed (km/s) 4.098 km/s
    Conjunction Risk Parameters R (Radial): 2.113 | I (In-track): -0.384 | C (Cross-track): 0.12
    Collision Risk Index (CRI) 0.36
    X Position (km) -427.464 -427.212
    Position Y (km) -851.028 -851.408
    Position Z (km) 6595.685 6597.786
    Velocity X (km/s) -7.71 -6.782
    Velocity Y (km/s) -0.177 3.768
    Velocity Z (km/s) -0.523 0.082

    Orbital Parameters 国际轨道数据源

    Parameter NAPA-1 ADRAS-J
    Semimajor Axis (a) 6671.113 km 6725.182 km
    Eccentricity (e) 0.000303 0.008808
    Inclination (i) 97.2280° 98.2019°
    RAAN 1.1179° 330.4641°
    Perigee Argument 224.1743° 60.4956°
    Mean Anomaly (M) 135.9290° 300.5054°
    Apogee 295.001 km 406.282 km
    Perigee 290.951 km 287.808 km
    Orbit Epoch 2026-10-08T14:50:08+0000 2026-10-08T22:17:55+0000

    NAPA-1 & ADRAS-J Collision Probability (Pc) Trend

    NAPA-1 & ADRAS-J Collision Probability (Pc) TrendNot Available

    NAPA-1 & ADRAS-J Miss Distance (Miss Distance) Trend

    NAPA-1 & ADRAS-J Miss Distance (Miss Distance) TrendNot Available

    NAPA-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ADRAS-JMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NAPA-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    ADRAS-JCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NAPA-1

    No nearby objects data