🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.61 AU - 0.65 AU

Year: 178 Days

Day: 16.8 Hours

Environment

Temp: 150 °C

Axial Tilt: 10.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 26,250,457 km

• M1: 69,713 km (0.105 R)
• M2: 109,805 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.98 AU - 1.42 AU

Year: 469 Days

Day: 40.9 Hours

Environment

Temp: 11 °C

Axial Tilt: 34.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 26,250,457 km

• M1: 585,376 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.52 AU - 2.5 AU

Year: 1016 Days

Day: 13.7 Hours

Environment

Temp: -61 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.78 AU - 4.78 AU

Year: 3156 Days

Day: 40.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,250,457 km

• M1: 521,648 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.5

Radius: 12.9

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.27 AU - 7.09 AU

Year: 5476 Days

Day: 12.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 26,250,457 km

• M1: 221,255 km (0.102 R)
• M2: 383,120 km (0.053 R)
• M3: 527,183 km (0.064 R)
• M4: 624,571 km (0.086 R)
• M5: 717,172 km (0.044 R)
• M6: 802,742 km (0.096 R)
• M7: 1,040,603 km (0.11 R)
• M8: 1,302,249 km (0.074 R)
• M9: 1,537,118 km (0.1 R)
• M10: 1,735,186 km (0.116 R)
• M11: 2,417,950 km (0.088 R)
• M12: 2,552,439 km (0.053 R)
• M13: 3,390,187 km (0.092 R)
• M14: 3,476,206 km (0.039 R)
• M15: 3,563,122 km (0.099 R)
• M16: 4,008,625 km (0.093 R)
• M17: 4,145,806 km (0.09 R)
• M18: 4,542,988 km (0.079 R)
• M19: 4,830,814 km (0.079 R)
• M20: 5,910,911 km (0.03 R)
• M21: 6,465,171 km (0.07 R)
• M22: 7,146,589 km (0.113 R)
• M23: 7,229,915 km (0.069 R)
• M24: 7,341,516 km (0.086 R)
• M25: 7,736,753 km (0.109 R)
• M26: 7,994,660 km (0.12 R)
• M27: 8,081,127 km (0.099 R)
• M28: 8,284,431 km (0.1 R)
• M29: 8,371,946 km (0.042 R)
• M30: 8,784,985 km (0.12 R)
• M31: 9,144,319 km (0.087 R)
• M32: 9,265,195 km (0.119 R)
• M33: 9,970,399 km (0.114 R)
• M34: 10,345,291 km (0.102 R)
• M35: 10,566,098 km (0.101 R)
• M36: 10,884,442 km (0.09 R)
• M37: 11,661,004 km (0.088 R)
• M38: 12,055,943 km (0.067 R)
• M39: 12,321,778 km (0.108 R)
• M40: 12,589,558 km (0.072 R)
• M41: 13,130,953 km (0.093 R)
• M42: 13,576,456 km (0.038 R)
• M43: 13,749,092 km (0.107 R)
• M44: 13,887,769 km (0.102 R)
• M45: 14,906,829 km (0.116 R)
• M46: 15,841,068 km (0.106 R)
• M47: 16,315,293 km (0.1 R)
• M48: 16,942,557 km (0.106 R)
• M49: 17,765,944 km (0.066 R)
• M50: 19,335,226 km (0.038 R)
• M51: 19,451,762 km (0.115 R)
• M52: 19,763,674 km (0.084 R)
• M53: 21,148,053 km (0.113 R)
• M54: 21,509,182 km (0.08 R)
• M55: 22,359,496 km (0.071 R)
• M56: 22,932,606 km (0.074 R)
• M57: 23,138,452 km (0.109 R)
• M58: 23,926,235 km (0.092 R)
• M59: 26,084,034 km (0.114 R)
• M60: 26,298,857 km (0.075 R)
• M61: 26,600,745 km (0.05 R)
• M62: 27,251,347 km (0.083 R)
• M63: 27,425,778 km (0.06 R)
• M64: 27,907,333 km (0.12 R)
• M65: 28,303,468 km (0.116 R)
• M66: 28,391,731 km (0.118 R)
• M67: 28,524,275 km (0.077 R)
• M68: 28,923,252 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.8

Radius: 10.1

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 6.5 AU - 7.58 AU

Year: 6658 Days

Day: 5.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 26,250,457 km

• M1: 134,788 km (0.095 R)
• M2: 289,322 km (0.105 R)
• M3: 375,042 km (0.027 R)
• M4: 490,531 km (0.12 R)
• M5: 568,622 km (0.092 R)
• M6: 673,041 km (0.115 R)
• M7: 761,603 km (0.109 R)
• M8: 964,158 km (0.113 R)
• M9: 1,184,516 km (0.062 R)
• M10: 1,508,844 km (0.103 R)
• M11: 1,613,114 km (0.118 R)
• M12: 2,071,033 km (0.089 R)
• M13: 2,550,494 km (0.097 R)
• M14: 3,139,910 km (0.113 R)
• M15: 3,430,429 km (0.109 R)
• M16: 3,529,313 km (0.083 R)
• M17: 3,831,650 km (0.059 R)
• M18: 3,954,919 km (0.112 R)
• M19: 4,184,402 km (0.093 R)
• M20: 4,461,308 km (0.085 R)
• M21: 4,613,000 km (0.1 R)
• M22: 5,886,527 km (0.118 R)
• M23: 5,981,521 km (0.09 R)
• M24: 6,635,862 km (0.087 R)
• M25: 6,934,011 km (0.078 R)
• M26: 7,034,391 km (0.11 R)
• M27: 7,389,536 km (0.078 R)
• M28: 8,011,864 km (0.116 R)
• M29: 8,329,460 km (0.065 R)
• M30: 8,489,829 km (0.079 R)
• M31: 8,813,559 km (0.12 R)
• M32: 9,334,458 km (0.057 R)
• M33: 9,837,107 km (0.04 R)
• M34: 10,234,290 km (0.108 R)
• M35: 10,348,732 km (0.106 R)
• M36: 10,521,218 km (0.119 R)
• M37: 10,665,730 km (0.099 R)
• M38: 10,839,862 km (0.08 R)
• M39: 11,015,041 km (0.119 R)
• M40: 11,191,118 km (0.099 R)
• M41: 11,575,883 km (0.05 R)
• M42: 11,784,871 km (0.095 R)
• M43: 12,297,693 km (0.067 R)
• M44: 12,388,948 km (0.03 R)
• M45: 13,096,097 km (0.083 R)
• M46: 13,189,296 km (0.085 R)
• M47: 13,501,507 km (0.091 R)
• M48: 13,879,541 km (0.064 R)
• M49: 14,388,922 km (0.036 R)
• M50: 15,001,674 km (0.111 R)
• M51: 15,327,648 km (0.103 R)
• M52: 15,393,172 km (0.114 R)
• M53: 15,688,927 km (0.115 R)
• M54: 16,554,052 km (0.089 R)
• M55: 16,722,200 km (0.029 R)
• M56: 16,789,668 km (0.086 R)
• M57: 17,060,291 km (0.085 R)
• M58: 17,264,193 km (0.098 R)
• M59: 17,708,648 km (0.097 R)
• M60: 18,226,406 km (0.098 R)
• M61: 18,295,820 km (0.047 R)
• M62: 18,365,233 km (0.1 R)
• M63: 18,924,280 km (0.112 R)
• M64: 19,382,648 km (0.082 R)
• M65: 19,916,114 km (0.088 R)
• M66: 20,166,691 km (0.099 R)
• M67: 20,310,305 km (0.078 R)
• M68: 20,454,367 km (0.117 R)
• M69: 20,598,580 km (0.118 R)
• M70: 20,851,998 km (0.057 R)
• M71: 21,325,476 km (0.051 R)
• M72: 21,435,131 km (0.1 R)
• M73: 22,654,802 km (0.034 R)
• M74: 23,367,187 km (0.107 R)
• M75: 24,125,050 km (0.101 R)
• M76: 24,392,232 km (0.07 R)
• M77: 25,083,673 km (0.117 R)
• M78: 25,509,429 km (0.097 R)

Kuiper Belt

Range: 30.8 - 54.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 16,198 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit