🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.4 AU - 0.66 AU

Year: 142 Days

Day: 17.2 Hours

Environment

Temp: 237 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.45 AU - 0.71 AU

Year: 163 Days

Day: 21.4 Hours

Environment

Temp: 157 °C

Axial Tilt: 22.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,558,374 km

• M1: 231,129 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.67 AU - 1.07 AU

Year: 299 Days

Day: 25.3 Hours

Environment

Temp: 117 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,558,374 km

• M1: 379,081 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.55 AU - 1.59 AU

Year: 726 Days

Day: 37.9 Hours

Environment

Temp: -41 °C

Axial Tilt: 47.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.48 AU - 2.42 AU

Year: 1005 Days

Day: 27 Hours

Environment

Temp: -66 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,558,374 km

• M1: 58,792 km (0.093 R)
• M2: 870,510 km (0.068 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2 AU - 2.36 AU

Year: 1188 Days

Day: 12 Hours

Environment

Temp: -76 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,558,374 km

• M1: 461,509 km (0.081 R)
• M2: 1,231,639 km (0.087 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.74 AU - 5.26 AU

Year: 3522 Days

Day: 37.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.2

Radius: 12.2

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.18 AU - 11.44 AU

Year: 10481 Days

Day: 10.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 43,558,374 km

• M1: 248,332 km (0.089 R)
• M2: 500,554 km (0.069 R)
• M3: 792,570 km (0.097 R)
• M4: 907,909 km (0.119 R)
• M5: 1,289,833 km (0.092 R)
• M6: 2,009,698 km (0.119 R)
• M7: 2,460,137 km (0.098 R)
• M8: 2,760,978 km (0.111 R)
• M9: 2,864,051 km (0.101 R)
• M10: 3,261,832 km (0.118 R)
• M11: 3,425,941 km (0.056 R)
• M12: 4,110,052 km (0.042 R)
• M13: 4,743,000 km (0.04 R)
• M14: 4,836,050 km (0.116 R)
• M15: 5,406,617 km (0.075 R)
• M16: 5,700,128 km (0.096 R)
• M17: 6,268,600 km (0.058 R)
• M18: 6,855,322 km (0.117 R)
• M19: 7,280,031 km (0.106 R)
• M20: 7,387,592 km (0.11 R)
• M21: 7,568,007 km (0.081 R)
• M22: 7,786,569 km (0.118 R)
• M23: 7,933,325 km (0.084 R)
• M24: 8,267,078 km (0.11 R)
• M25: 9,490,938 km (0.09 R)
• M26: 10,729,758 km (0.042 R)
• M27: 11,181,693 km (0.061 R)
• M28: 11,264,420 km (0.031 R)
• M29: 11,514,249 km (0.045 R)
• M30: 12,189,085 km (0.104 R)
• M31: 12,359,776 km (0.097 R)
• M32: 12,488,430 km (0.08 R)
• M33: 13,050,769 km (0.115 R)
• M34: 13,181,667 km (0.117 R)
• M35: 14,605,689 km (0.11 R)
• M36: 14,696,345 km (0.06 R)
• M37: 15,014,989 km (0.107 R)
• M38: 15,106,393 km (0.092 R)
• M39: 15,335,876 km (0.097 R)
• M40: 15,659,157 km (0.098 R)
• M41: 15,938,008 km (0.094 R)
• M42: 16,124,706 km (0.109 R)
• M43: 17,165,308 km (0.04 R)
• M44: 17,356,794 km (0.11 R)
• M45: 17,549,027 km (0.101 R)
• M46: 18,276,222 km (0.053 R)
• M47: 18,569,883 km (0.098 R)
• M48: 19,013,291 km (0.12 R)
• M49: 19,410,324 km (0.116 R)
• M50: 19,559,922 km (0.059 R)
• M51: 20,618,027 km (0.102 R)
• M52: 20,974,818 km (0.078 R)
• M53: 21,436,627 km (0.117 R)
• M54: 21,539,700 km (0.06 R)
• M55: 21,901,727 km (0.08 R)
• M56: 23,264,114 km (0.104 R)
• M57: 24,116,074 km (0.065 R)
• M58: 24,653,879 km (0.072 R)
• M59: 26,456,234 km (0.103 R)
• M60: 26,622,138 km (0.054 R)
• M61: 26,788,491 km (0.099 R)
• M62: 27,513,143 km (0.073 R)
• M63: 27,793,639 km (0.071 R)
• M64: 28,018,634 km (0.09 R)
• M65: 28,187,829 km (0.04 R)
• M66: 30,417,885 km (0.076 R)
• M67: 30,707,805 km (0.087 R)
• M68: 31,232,146 km (0.119 R)
• M69: 31,349,131 km (0.076 R)
• M70: 32,763,430 km (0.118 R)
• M71: 33,001,141 km (0.05 R)
• M72: 33,299,140 km (0.086 R)
• M73: 33,897,830 km (0.11 R)
• M74: 35,654,109 km (0.062 R)
• M75: 36,451,017 km (0.083 R)
• M76: 38,625,422 km (0.1 R)
• M77: 39,065,390 km (0.119 R)
• M78: 39,254,481 km (0.112 R)
• M79: 39,507,002 km (0.08 R)
• M80: 40,204,278 km (0.062 R)
• M81: 42,709,145 km (0.106 R)
• M82: 43,620,645 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.9

Radius: 14.1

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.74 AU - 12.38 AU

Year: 11773 Days

Day: 15 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 43,558,374 km

• M1: 186,399 km (0.083 R)
• M2: 367,861 km (0.088 R)
• M3: 459,415 km (0.031 R)
• M4: 812,915 km (0.066 R)
• M5: 1,588,580 km (0.057 R)
• M6: 1,823,299 km (0.112 R)
• M7: 2,115,613 km (0.087 R)
• M8: 2,327,294 km (0.097 R)
• M9: 2,521,323 km (0.102 R)
• M10: 2,720,886 km (0.084 R)
• M11: 3,056,584 km (0.112 R)
• M12: 3,543,824 km (0.095 R)
• M13: 3,968,682 km (0.111 R)
• M14: 4,172,584 km (0.093 R)
• M15: 4,898,433 km (0.116 R)
• M16: 5,827,585 km (0.106 R)
• M17: 6,060,060 km (0.053 R)
• M18: 6,534,285 km (0.077 R)
• M19: 6,706,622 km (0.089 R)
• M20: 8,065,420 km (0.083 R)
• M21: 8,399,472 km (0.105 R)
• M22: 9,119,935 km (0.109 R)
• M23: 9,741,963 km (0.083 R)
• M24: 10,177,742 km (0.068 R)
• M25: 10,377,903 km (0.106 R)
• M26: 11,068,298 km (0.077 R)
• M27: 11,522,926 km (0.117 R)
• M28: 11,899,613 km (0.036 R)
• M29: 12,536,302 km (0.081 R)
• M30: 12,794,059 km (0.107 R)
• M31: 13,010,377 km (0.106 R)
• M32: 14,377,702 km (0.11 R)
• M33: 14,467,460 km (0.115 R)
• M34: 15,421,596 km (0.111 R)
• M35: 16,631,094 km (0.106 R)
• M36: 17,390,453 km (0.063 R)
• M37: 19,140,449 km (0.118 R)
• M38: 20,136,621 km (0.054 R)
• M39: 20,945,796 km (0.042 R)
• M40: 22,179,530 km (0.099 R)
• M41: 22,335,411 km (0.104 R)
• M42: 23,225,668 km (0.075 R)
• M43: 23,914,117 km (0.063 R)
• M44: 24,448,481 km (0.11 R)
• M45: 24,663,154 km (0.053 R)
• M46: 25,148,898 km (0.109 R)
• M47: 25,311,361 km (0.092 R)
• M48: 25,528,727 km (0.073 R)
• M49: 26,074,759 km (0.054 R)
• M50: 26,184,415 km (0.116 R)
• M51: 27,400,795 km (0.118 R)
• M52: 28,128,289 km (0.098 R)
• M53: 28,297,185 km (0.055 R)
• M54: 28,579,177 km (0.113 R)
• M55: 29,032,459 km (0.051 R)
• M56: 30,927,116 km (0.1 R)
• M57: 32,153,669 km (0.086 R)
• M58: 32,330,194 km (0.077 R)
• M59: 32,743,234 km (0.116 R)
• M60: 34,112,952 km (0.064 R)
• M61: 34,413,195 km (0.098 R)
• M62: 34,714,335 km (0.1 R)
• M63: 35,197,985 km (0.118 R)
• M64: 35,866,538 km (0.101 R)
• M65: 37,773,462 km (0.103 R)
• M66: 40,218,939 km (0.078 R)
• M67: 41,813,203 km (0.088 R)
• M68: 42,006,035 km (0.088 R)
• M69: 42,392,297 km (0.074 R)
• M70: 42,974,083 km (0.115 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 12,572 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit