Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.254347E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T00:00:55+0800
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    1 Object 1

    AOE ID 671
    NORAD ID 671
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name HJS-7A
    AOE ID 65617
    NORAD ID 65617
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter RADIATION SAT (5E 1) HJS-7A
    Time of Closest Approach 2026-10-25T01:24:48+0000
    Collision Probability (Pc) 1.254347E-6
    Conjunction Distance (km) 2.691 km
    Relative Speed (km/s) 10.244 km/s
    Conjunction Risk Parameters R (Radial): 1.103 | I (In-track): -1.737 | C (Cross-track): -1.732
    Collision Risk Index (CRI) 0.37
    X Position (km) -4273.179 -4274.191
    Position Y (km) 2213.546 2216.024
    Position Z (km) -5733.529 -5733.258
    Velocity X (km/s) 4.966 -3.298
    Velocity Y (km/s) -2.581 -6.504
    Velocity Z (km/s) -4.665 -0.055

    Orbital Parameters 国际轨道数据源

    Parameter RADIATION SAT (5E 1) HJS-7A
    Semimajor Axis (a) 7467.971 km 7481.914 km
    Eccentricity (e) 0.003967 0.000077
    Inclination (i) 89.9613° 49.9981°
    RAAN 332.5807° 253.7814°
    Perigee Argument 349.5579° 12.2699°
    Mean Anomaly (M) 10.4740° 347.8197°
    Apogee 1119.460 km 1104.351 km
    Perigee 1060.208 km 1103.203 km
    Orbit Epoch 2026-10-22T02:39:05+0000 2026-10-22T05:55:18+0000

    RADIATION SAT (5E 1) & HJS-7A Collision Probability (Pc) Trend

    RADIATION SAT (5E 1) & HJS-7A Collision Probability (Pc) TrendNot Available

    RADIATION SAT (5E 1) & HJS-7A Miss Distance (Miss Distance) Trend

    RADIATION SAT (5E 1) & HJS-7A Miss Distance (Miss Distance) TrendNot Available

    RADIATION SAT (5E 1)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HJS-7AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    RADIATION SAT (5E 1)Collision Probability Trend

    Object 1 Probability TrendNot Available

    HJS-7ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with RADIATION SAT (5E 1)

    No nearby objects data