🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.5 AU - 0.7 AU

Year: 163 Days

Day: 28.5 Hours

Environment

Temp: 201 °C

Axial Tilt: 9.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.49 AU - 0.79 AU

Year: 180 Days

Day: 38.3 Hours

Environment

Temp: 231 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.24 AU - 1.8 AU

Year: 659 Days

Day: 36.2 Hours

Environment

Temp: -11 °C

Axial Tilt: 37.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.08 AU - 4.4 AU

Year: 2542 Days

Day: 12.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,629,722 km

• M1: 41,139 km (0.102 R)

Asteroid Belt

Center: 5.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.2

Radius: 13.3

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.25 AU - 8.71 AU

Year: 7923 Days

Day: 5.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,629,722 km

• M1: 166,802 km (0.12 R)
• M2: 602,431 km (0.063 R)
• M3: 1,175,989 km (0.113 R)
• M4: 1,917,845 km (0.116 R)
• M5: 3,375,377 km (0.084 R)
• M6: 5,283,797 km (0.039 R)
• M7: 8,122,267 km (0.106 R)
• M8: 8,553,857 km (0.111 R)
• M9: 9,046,333 km (0.094 R)
• M10: 10,039,214 km (0.115 R)
• M11: 10,486,512 km (0.06 R)
• M12: 11,421,049 km (0.113 R)
• M13: 14,686,023 km (0.104 R)
• M14: 15,590,641 km (0.051 R)
• M15: 16,191,576 km (0.057 R)
• M16: 18,233,587 km (0.096 R)
• M17: 18,900,943 km (0.095 R)
• M18: 19,431,118 km (0.036 R)
• M19: 21,406,408 km (0.049 R)
• M20: 22,994,539 km (0.118 R)
• M21: 24,125,649 km (0.073 R)
• M22: 25,293,559 km (0.115 R)
• M23: 26,498,720 km (0.093 R)
• M24: 27,936,505 km (0.11 R)
• M25: 30,241,359 km (0.112 R)
• M26: 33,765,885 km (0.035 R)
• M27: 38,033,314 km (0.118 R)
• M28: 38,757,517 km (0.06 R)
• M29: 40,233,899 km (0.095 R)
• M30: 44,088,138 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.5

Radius: 10.8

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.15 AU - 12.11 AU

Year: 11332 Days

Day: 10.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,629,722 km

• M1: 135,386 km (0.096 R)
• M2: 679,623 km (0.096 R)
• M3: 1,049,579 km (0.063 R)
• M4: 3,673,376 km (0.072 R)
• M5: 4,201,157 km (0.069 R)
• M6: 9,548,383 km (0.106 R)
• M7: 13,013,369 km (0.069 R)
• M8: 15,429,375 km (0.103 R)
• M9: 16,866,113 km (0.028 R)
• M10: 18,586,787 km (0.109 R)
• M11: 19,660,152 km (0.036 R)
• M12: 20,351,743 km (0.103 R)
• M13: 21,274,912 km (0.093 R)
• M14: 21,856,698 km (0.059 R)
• M15: 25,086,965 km (0.081 R)
• M16: 29,153,483 km (0.062 R)
• M17: 30,877,749 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.8

Radius: 7.2

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 12.54 AU - 16.22 AU

Year: 19165 Days

Day: 20.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,629,722 km

• M1: 95,892 km (0.104 R)
• M2: 347,217 km (0.057 R)
• M3: 817,403 km (0.114 R)
• M4: 1,142,629 km (0.073 R)
• M5: 1,792,482 km (0.12 R)
• M6: 2,038,720 km (0.086 R)
• M7: 2,451,012 km (0.04 R)
• M8: 2,778,481 km (0.091 R)
• M9: 3,998,003 km (0.119 R)
• M10: 6,919,500 km (0.095 R)
• M11: 8,035,949 km (0.087 R)
• M12: 10,507,904 km (0.041 R)
• M13: 11,197,251 km (0.046 R)
• M14: 11,493,156 km (0.104 R)
• M15: 12,038,889 km (0.101 R)
• M16: 13,313,612 km (0.063 R)
• M17: 14,817,071 km (0.054 R)
• M18: 16,279,091 km (0.118 R)
• M19: 23,476,394 km (0.052 R)
• M20: 26,176,187 km (0.103 R)
• M21: 31,124,136 km (0.067 R)
• M22: 34,999,319 km (0.114 R)
• M23: 40,418,652 km (0.079 R)
• M24: 44,277,529 km (0.106 R)
• M25: 47,907,671 km (0.107 R)
• M26: 49,477,102 km (0.029 R)
• M27: 52,058,862 km (0.111 R)
• M28: 52,552,834 km (0.07 R)
• M29: 54,559,690 km (0.115 R)
• M30: 57,489,415 km (0.031 R)
• M31: 60,341,049 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.2

Radius: 7.5

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 15.57 AU - 15.89 AU

Year: 21927 Days

Day: 23 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,629,722 km

• M1: 94,247 km (0.073 R)
• M2: 395,537 km (0.078 R)
• M3: 633,397 km (0.089 R)
• M4: 1,383,182 km (0.096 R)
• M5: 1,799,662 km (0.034 R)
• M6: 2,883,200 km (0.109 R)
• M7: 3,344,560 km (0.092 R)
• M8: 4,680,020 km (0.094 R)
• M9: 5,171,000 km (0.081 R)
• M10: 5,580,449 km (0.113 R)
• M11: 8,058,239 km (0.077 R)
• M12: 8,972,431 km (0.091 R)
• M13: 9,238,267 km (0.116 R)
• M14: 9,564,241 km (0.09 R)
• M15: 11,495,998 km (0.057 R)
• M16: 14,312,776 km (0.117 R)
• M17: 15,421,297 km (0.088 R)
• M18: 18,059,754 km (0.109 R)
• M19: 19,529,703 km (0.112 R)
• M20: 20,891,642 km (0.1 R)
• M21: 22,412,903 km (0.115 R)
• M22: 22,903,135 km (0.067 R)
• M23: 26,755,130 km (0.072 R)
• M24: 31,139,246 km (0.113 R)
• M25: 32,492,508 km (0.115 R)
• M26: 34,790,630 km (0.116 R)
• M27: 36,922,550 km (0.042 R)
• M28: 42,332,009 km (0.107 R)
• M29: 45,380,514 km (0.074 R)
• M30: 47,118,093 km (0.115 R)
• M31: 50,056,345 km (0.117 R)
• M32: 55,399,083 km (0.069 R)
• M33: 63,616,943 km (0.027 R)

Kuiper Belt

Range: 31.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 18,654 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit