🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.85 AU - 1.23 AU

Year: 389 Days

Day: 12.3 Hours

Environment

Temp: 18 °C

Axial Tilt: 15.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.11 AU - 1.37 AU

Year: 507 Days

Day: 36.2 Hours

Environment

Temp: 8 °C

Axial Tilt: 33.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.74 AU - 3.78 AU

Year: 2676 Days

Day: 27.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.27 AU - 4.65 AU

Year: 2893 Days

Day: 19.4 Hours

Environment

Temp: -119 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.83 AU - 5.13 AU

Year: 3481 Days

Day: 13.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.4

Radius: 14.1

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 8.12 AU - 9.84 AU

Year: 9878 Days

Day: 10.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 37,294,365 km

• M1: 422,016 km (0.092 R)
• M2: 591,959 km (0.119 R)
• M3: 1,239,867 km (0.081 R)
• M4: 1,382,883 km (0.06 R)
• M5: 1,531,882 km (0.117 R)
• M6: 1,686,566 km (0.064 R)
• M7: 1,912,160 km (0.11 R)
• M8: 2,217,340 km (0.1 R)
• M9: 2,411,667 km (0.053 R)
• M10: 3,285,768 km (0.042 R)
• M11: 4,833,657 km (0.091 R)
• M12: 5,346,628 km (0.111 R)
• M13: 6,374,365 km (0.064 R)
• M14: 7,014,794 km (0.073 R)
• M15: 9,114,849 km (0.089 R)
• M16: 10,366,534 km (0.106 R)
• M17: 10,635,361 km (0.047 R)
• M18: 11,088,493 km (0.078 R)
• M19: 11,302,269 km (0.098 R)
• M20: 11,733,709 km (0.106 R)
• M21: 12,486,037 km (0.047 R)
• M22: 12,581,181 km (0.102 R)
• M23: 12,900,124 km (0.105 R)
• M24: 13,092,656 km (0.09 R)
• M25: 13,643,775 km (0.117 R)
• M26: 14,268,495 km (0.095 R)
• M27: 14,734,941 km (0.058 R)
• M28: 15,105,047 km (0.084 R)
• M29: 15,308,051 km (0.088 R)
• M30: 15,512,102 km (0.086 R)
• M31: 15,682,794 km (0.068 R)
• M32: 15,922,898 km (0.108 R)
• M33: 17,247,438 km (0.055 R)
• M34: 17,353,503 km (0.053 R)
• M35: 17,673,044 km (0.053 R)
• M36: 19,153,315 km (0.1 R)
• M37: 19,409,875 km (0.044 R)
• M38: 19,741,683 km (0.061 R)
• M39: 20,748,177 km (0.06 R)
• M40: 21,049,617 km (0.119 R)
• M41: 22,772,087 km (0.067 R)
• M42: 23,121,996 km (0.105 R)
• M43: 23,669,973 km (0.089 R)
• M44: 23,984,877 km (0.113 R)
• M45: 25,782,595 km (0.117 R)
• M46: 26,147,464 km (0.043 R)
• M47: 26,350,767 km (0.075 R)
• M48: 26,636,499 km (0.1 R)
• M49: 26,759,170 km (0.108 R)
• M50: 27,334,373 km (0.089 R)
• M51: 27,830,739 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.4

Radius: 8.5

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 10.6 AU - 11.08 AU

Year: 13101 Days

Day: 5.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 37,294,365 km

• M1: 228,137 km (0.1 R)
• M2: 303,235 km (0.109 R)
• M3: 404,513 km (0.06 R)
• M4: 485,146 km (0.043 R)
• M5: 645,365 km (0.113 R)
• M6: 1,526,796 km (0.047 R)
• M7: 2,716,398 km (0.064 R)
• M8: 3,447,184 km (0.109 R)
• M9: 3,656,770 km (0.116 R)
• M10: 4,310,214 km (0.06 R)
• M11: 4,843,381 km (0.09 R)
• M12: 4,960,366 km (0.065 R)
• M13: 6,393,215 km (0.112 R)
• M14: 6,521,570 km (0.082 R)
• M15: 7,489,617 km (0.107 R)
• M16: 7,715,959 km (0.105 R)
• M17: 7,852,691 km (0.08 R)
• M18: 8,268,125 km (0.103 R)
• M19: 9,313,515 km (0.096 R)
• M20: 9,410,604 km (0.093 R)
• M21: 10,000,169 km (0.044 R)
• M22: 10,500,723 km (0.108 R)
• M23: 11,318,425 km (0.107 R)
• M24: 11,787,415 km (0.025 R)
• M25: 11,997,899 km (0.084 R)
• M26: 12,209,580 km (0.103 R)
• M27: 12,315,944 km (0.058 R)
• M28: 12,529,570 km (0.118 R)
• M29: 13,670,852 km (0.108 R)
• M30: 15,530,653 km (0.096 R)
• M31: 16,226,432 km (0.116 R)
• M32: 16,578,286 km (0.099 R)
• M33: 16,932,534 km (0.037 R)
• M34: 17,051,165 km (0.092 R)
• M35: 17,348,865 km (0.059 R)
• M36: 17,828,925 km (0.111 R)
• M37: 19,917,610 km (0.11 R)
• M38: 20,105,655 km (0.081 R)
• M39: 20,357,129 km (0.105 R)
• M40: 20,736,509 km (0.103 R)
• M41: 21,245,890 km (0.061 R)
• M42: 21,953,039 km (0.084 R)
• M43: 23,258,430 km (0.099 R)
• M44: 23,390,375 km (0.05 R)
• M45: 24,790,462 km (0.11 R)
• M46: 25,602,778 km (0.044 R)
• M47: 26,217,775 km (0.106 R)
• M48: 28,584,264 km (0.083 R)
• M49: 30,511,832 km (0.119 R)
• M50: 31,091,075 km (0.1 R)
• M51: 31,381,893 km (0.082 R)
• M52: 31,893,219 km (0.12 R)
• M53: 32,407,387 km (0.073 R)
• M54: 32,924,247 km (0.109 R)
• M55: 33,369,301 km (0.069 R)
• M56: 35,853,074 km (0.102 R)
• M57: 35,929,369 km (0.117 R)
• M58: 36,081,959 km (0.072 R)
• M59: 36,311,143 km (0.093 R)
• M60: 36,540,776 km (0.082 R)
• M61: 36,847,900 km (0.041 R)
• M62: 38,162,267 km (0.096 R)
• M63: 39,413,354 km (0.118 R)
• M64: 39,807,096 km (0.112 R)
• M65: 40,360,608 km (0.105 R)
• M66: 40,677,905 km (0.08 R)
• M67: 42,841,838 km (0.078 R)
• M68: 43,084,636 km (0.094 R)
• M69: 43,571,427 km (0.085 R)
• M70: 43,978,632 km (0.089 R)
• M71: 44,468,865 km (0.054 R)
• M72: 44,796,634 km (0.066 R)
• M73: 45,702,149 km (0.069 R)
• M74: 46,198,665 km (0.105 R)
• M75: 49,469,323 km (0.113 R)
• M76: 51,089,618 km (0.05 R)
• M77: 51,604,833 km (0.103 R)
• M78: 52,381,096 km (0.075 R)
• M79: 53,248,016 km (0.036 R)
• M80: 53,683,196 km (0.056 R)
• M81: 54,469,632 km (0.083 R)
• M82: 54,644,811 km (0.118 R)
• M83: 54,908,103 km (0.12 R)
• M84: 55,259,808 km (0.101 R)
• M85: 56,762,818 km (0.095 R)
• M86: 56,940,390 km (0.076 R)
• M87: 58,727,636 km (0.087 R)
• M88: 59,177,327 km (0.097 R)
• M89: 59,808,780 km (0.064 R)
• M90: 59,899,137 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.5

Radius: 14.3

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 10.79 AU - 13.33 AU

Year: 15374 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 68.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 37,294,365 km

• M1: 226,641 km (0.032 R)
• M2: 778,807 km (0.087 R)
• M3: 1,422,676 km (0.098 R)
• M4: 1,740,122 km (0.087 R)
• M5: 2,059,963 km (0.073 R)
• M6: 2,184,877 km (0.117 R)
• M7: 2,531,046 km (0.081 R)
• M8: 2,802,417 km (0.114 R)
• M9: 3,179,254 km (0.069 R)
• M10: 3,373,881 km (0.037 R)
• M11: 4,060,236 km (0.096 R)
• M12: 4,298,695 km (0.1 R)
• M13: 5,098,595 km (0.06 R)
• M14: 6,155,204 km (0.109 R)
• M15: 8,061,829 km (0.119 R)
• M16: 8,329,011 km (0.107 R)
• M17: 9,044,538 km (0.116 R)
• M18: 9,217,772 km (0.119 R)
• M19: 10,316,718 km (0.059 R)
• M20: 11,010,852 km (0.12 R)
• M21: 11,494,352 km (0.1 R)
• M22: 11,757,645 km (0.096 R)
• M23: 12,444,000 km (0.079 R)
• M24: 13,656,341 km (0.047 R)
• M25: 14,095,710 km (0.092 R)
• M26: 14,377,702 km (0.08 R)
• M27: 15,773,749 km (0.108 R)
• M28: 16,361,220 km (0.086 R)
• M29: 17,384,918 km (0.057 R)
• M30: 18,826,294 km (0.106 R)
• M31: 19,137,008 km (0.105 R)
• M32: 20,670,087 km (0.087 R)
• M33: 20,807,269 km (0.057 R)
• M34: 21,915,639 km (0.096 R)
• M35: 22,055,513 km (0.057 R)
• M36: 22,382,983 km (0.095 R)
• M37: 24,285,718 km (0.114 R)
• M38: 25,305,377 km (0.046 R)
• M39: 25,550,120 km (0.099 R)
• M40: 25,697,473 km (0.095 R)
• M41: 26,091,514 km (0.091 R)
• M42: 26,487,649 km (0.113 R)
• M43: 26,786,097 km (0.108 R)
• M44: 27,436,399 km (0.088 R)
• M45: 29,470,182 km (0.098 R)
• M46: 30,713,640 km (0.079 R)
• M47: 31,815,727 km (0.077 R)
• M48: 32,557,583 km (0.059 R)
• M49: 34,328,822 km (0.104 R)
• M50: 35,527,101 km (0.099 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 20,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit