🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.34 AU - 1.6 AU

Year: 675 Days

Day: 37.8 Hours

Environment

Temp: -52 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.12 AU - 3.08 AU

Year: 1588 Days

Day: 12.9 Hours

Environment

Temp: -102 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.7

Radius: 10.2

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.5 AU - 8.74 AU

Year: 7196 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 91,006,530 km

• M1: 129,851 km (0.105 R)
• M2: 670,647 km (0.114 R)
• M3: 1,105,079 km (0.091 R)
• M4: 1,790,387 km (0.119 R)
• M5: 2,379,803 km (0.11 R)
• M6: 2,884,696 km (0.033 R)
• M7: 3,544,722 km (0.085 R)
• M8: 4,451,434 km (0.08 R)
• M9: 5,505,800 km (0.104 R)
• M10: 5,983,765 km (0.076 R)
• M11: 6,328,140 km (0.091 R)
• M12: 6,988,465 km (0.09 R)
• M13: 8,446,595 km (0.104 R)
• M14: 12,052,801 km (0.119 R)
• M15: 13,919,035 km (0.113 R)
• M16: 14,525,804 km (0.117 R)
• M17: 15,092,630 km (0.119 R)
• M18: 16,030,160 km (0.116 R)
• M19: 16,881,970 km (0.102 R)
• M20: 17,445,206 km (0.071 R)
• M21: 17,956,532 km (0.103 R)
• M22: 21,526,535 km (0.048 R)
• M23: 23,093,573 km (0.099 R)
• M24: 26,874,061 km (0.099 R)
• M25: 27,470,208 km (0.093 R)
• M26: 28,249,763 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.8

Radius: 12

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.58 AU - 8.14 AU

Year: 8346 Days

Day: 7.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 91,006,530 km

• M1: 149,448 km (0.119 R)
• M2: 623,674 km (0.072 R)
• M3: 1,030,729 km (0.025 R)
• M4: 2,303,508 km (0.107 R)
• M5: 2,992,855 km (0.063 R)
• M6: 5,405,719 km (0.075 R)
• M7: 6,625,091 km (0.118 R)
• M8: 7,851,195 km (0.032 R)
• M9: 10,441,183 km (0.108 R)
• M10: 11,221,785 km (0.095 R)
• M11: 11,653,824 km (0.118 R)
• M12: 12,609,006 km (0.07 R)
• M13: 14,547,495 km (0.119 R)
• M14: 15,323,310 km (0.073 R)
• M15: 15,855,729 km (0.03 R)
• M16: 17,599,292 km (0.106 R)
• M17: 18,855,914 km (0.097 R)
• M18: 19,544,812 km (0.046 R)
• M19: 20,973,173 km (0.066 R)
• M20: 22,384,928 km (0.088 R)
• M21: 22,812,030 km (0.079 R)
• M22: 23,682,540 km (0.092 R)
• M23: 28,770,064 km (0.1 R)
• M24: 31,889,778 km (0.093 R)
• M25: 33,198,460 km (0.07 R)
• M26: 35,690,312 km (0.098 R)
• M27: 39,658,096 km (0.066 R)
• M28: 41,171,129 km (0.076 R)
• M29: 42,071,260 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839.7

Radius: 6.6

Gravity: 19.28 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 12.49 AU - 18.97 AU

Year: 23629 Days

Day: 25 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,006,530 km

• M1: 82,129 km (0.105 R)
• M2: 395,088 km (0.071 R)
• M3: 695,929 km (0.111 R)
• M4: 998,416 km (0.077 R)
• M5: 2,870,185 km (0.114 R)
• M6: 3,469,923 km (0.109 R)
• M7: 6,122,143 km (0.118 R)
• M8: 7,463,587 km (0.103 R)
• M9: 9,522,054 km (0.09 R)
• M10: 13,849,771 km (0.043 R)
• M11: 20,417,267 km (0.026 R)
• M12: 22,068,079 km (0.066 R)
• M13: 24,029,308 km (0.095 R)
• M14: 24,937,067 km (0.09 R)
• M15: 41,108,747 km (0.088 R)
• M16: 44,233,846 km (0.111 R)
• M17: 55,136,390 km (0.049 R)
• M18: 57,512,602 km (0.109 R)
• M19: 68,600,048 km (0.117 R)
• M20: 68,826,240 km (0.113 R)
• M21: 72,512,332 km (0.101 R)
• M22: 74,403,698 km (0.052 R)
• M23: 75,121,468 km (0.12 R)
• M24: 75,843,727 km (0.072 R)
• M25: 86,184,530 km (0.075 R)
• M26: 87,506,377 km (0.118 R)
• M27: 89,649,516 km (0.113 R)
• M28: 90,462,132 km (0.087 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 13,906 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit