🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.3 AU - 1.36 AU

Year: 563 Days

Day: 45.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.52 AU - 1.74 AU

Year: 764 Days

Day: 34.5 Hours

Environment

Temp: -47 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,550,493 km

• M1: 312,809 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.63 AU - 2.09 AU

Year: 931 Days

Day: 21.9 Hours

Environment

Temp: -64 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,550,493 km

• M1: 325,226 km (0.054 R)

Asteroid Belt

Center: 4.09 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.7

Radius: 10.5

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.12 AU - 7.5 AU

Year: 5819 Days

Day: 9.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,550,493 km

• M1: 134,638 km (0.097 R)
• M2: 641,027 km (0.102 R)
• M3: 1,039,556 km (0.057 R)
• M4: 1,973,346 km (0.106 R)
• M5: 3,577,184 km (0.074 R)
• M6: 4,498,558 km (0.11 R)
• M7: 5,080,792 km (0.099 R)
• M8: 6,273,237 km (0.119 R)
• M9: 7,132,976 km (0.054 R)
• M10: 8,929,796 km (0.112 R)
• M11: 9,362,583 km (0.032 R)
• M12: 10,614,119 km (0.095 R)
• M13: 11,371,084 km (0.093 R)
• M14: 11,926,840 km (0.04 R)
• M15: 15,369,236 km (0.042 R)
• M16: 16,748,529 km (0.108 R)
• M17: 19,950,671 km (0.1 R)
• M18: 20,827,913 km (0.102 R)
• M19: 22,370,866 km (0.062 R)
• M20: 24,290,954 km (0.062 R)
• M21: 25,682,962 km (0.057 R)
• M22: 26,883,037 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.6

Radius: 11.4

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.18 AU - 8.1 AU

Year: 7752 Days

Day: 12.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,550,493 km

• M1: 141,819 km (0.058 R)
• M2: 505,042 km (0.098 R)
• M3: 1,183,618 km (0.081 R)
• M4: 1,599,500 km (0.101 R)
• M5: 2,198,042 km (0.104 R)
• M6: 3,047,757 km (0.095 R)
• M7: 4,805,682 km (0.061 R)
• M8: 6,555,528 km (0.088 R)
• M9: 6,966,474 km (0.082 R)
• M10: 7,594,785 km (0.091 R)
• M11: 8,217,860 km (0.111 R)
• M12: 9,901,285 km (0.09 R)
• M13: 12,985,843 km (0.081 R)
• M14: 14,873,020 km (0.109 R)
• M15: 15,518,984 km (0.099 R)
• M16: 16,116,328 km (0.084 R)
• M17: 18,073,218 km (0.118 R)
• M18: 19,411,969 km (0.04 R)
• M19: 23,650,077 km (0.08 R)
• M20: 25,615,643 km (0.116 R)
• M21: 27,111,921 km (0.089 R)
• M22: 36,863,907 km (0.087 R)
• M23: 38,166,905 km (0.087 R)
• M24: 41,368,299 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.4

Radius: 10.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.31 AU - 8.95 AU

Year: 8510 Days

Day: 5.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,550,493 km

• M1: 126,859 km (0.111 R)
• M2: 483,500 km (0.07 R)
• M3: 1,026,989 km (0.113 R)
• M4: 1,892,413 km (0.096 R)
• M5: 2,401,644 km (0.109 R)
• M6: 3,649,739 km (0.101 R)
• M7: 4,965,602 km (0.118 R)
• M8: 6,855,023 km (0.065 R)
• M9: 10,981,381 km (0.064 R)
• M10: 12,732,873 km (0.116 R)
• M11: 14,842,502 km (0.109 R)
• M12: 16,075,039 km (0.088 R)
• M13: 28,217,300 km (0.096 R)
• M14: 29,339,583 km (0.051 R)
• M15: 33,398,772 km (0.116 R)
• M16: 33,918,176 km (0.086 R)
• M17: 34,866,477 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.8

Radius: 6.8

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 11.44 AU - 15 AU

Year: 17645 Days

Day: 16.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,550,493 km

• M1: 84,972 km (0.086 R)
• M2: 527,332 km (0.082 R)
• M3: 797,057 km (0.055 R)
• M4: 1,050,177 km (0.109 R)
• M5: 1,343,239 km (0.084 R)
• M6: 1,824,496 km (0.117 R)
• M7: 2,394,164 km (0.118 R)
• M8: 3,709,728 km (0.073 R)
• M9: 4,239,454 km (0.113 R)
• M10: 5,232,934 km (0.12 R)
• M11: 5,596,157 km (0.108 R)
• M12: 7,997,053 km (0.1 R)
• M13: 9,716,083 km (0.096 R)
• M14: 14,491,695 km (0.068 R)
• M15: 14,990,903 km (0.079 R)
• M16: 15,798,582 km (0.081 R)
• M17: 18,312,575 km (0.12 R)
• M18: 19,664,341 km (0.079 R)
• M19: 20,100,120 km (0.051 R)
• M20: 20,453,320 km (0.113 R)
• M21: 20,990,825 km (0.091 R)
• M22: 21,537,755 km (0.063 R)
• M23: 30,688,507 km (0.1 R)
• M24: 36,759,937 km (0.072 R)
• M25: 37,421,159 km (0.073 R)
• M26: 37,955,822 km (0.081 R)
• M27: 38,767,241 km (0.112 R)
• M28: 40,705,581 km (0.052 R)
• M29: 45,680,458 km (0.118 R)
• M30: 61,326,002 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.1

Radius: 3.3

Gravity: 65.48 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 12.45 AU - 19.81 AU

Year: 23781 Days

Day: 22.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 86,550,493 km

• M1: 44,431 km (0.054 R)
• M2: 210,035 km (0.109 R)
• M3: 333,005 km (0.108 R)
• M4: 473,627 km (0.039 R)
• M5: 579,991 km (0.114 R)
• M6: 692,489 km (0.068 R)
• M7: 912,846 km (0.107 R)
• M8: 1,093,560 km (0.079 R)
• M9: 1,267,094 km (0.091 R)
• M10: 1,392,756 km (0.061 R)
• M11: 1,820,606 km (0.073 R)
• M12: 2,568,745 km (0.073 R)
• M13: 2,929,276 km (0.113 R)
• M14: 3,381,510 km (0.12 R)
• M15: 4,010,270 km (0.049 R)
• M16: 4,458,615 km (0.12 R)
• M17: 6,404,734 km (0.106 R)
• M18: 6,542,364 km (0.081 R)
• M19: 6,823,608 km (0.069 R)
• M20: 7,871,840 km (0.085 R)
• M21: 8,029,815 km (0.086 R)
• M22: 9,022,696 km (0.058 R)
• M23: 12,345,863 km (0.095 R)
• M24: 13,140,228 km (0.077 R)
• M25: 14,830,235 km (0.1 R)
• M26: 15,977,801 km (0.065 R)
• M27: 18,820,609 km (0.097 R)
• M28: 19,388,782 km (0.114 R)
• M29: 22,296,366 km (0.116 R)
• M30: 23,471,308 km (0.084 R)
• M31: 24,129,239 km (0.08 R)
• M32: 25,711,984 km (0.097 R)
• M33: 26,410,906 km (0.059 R)
• M34: 26,765,153 km (0.103 R)
• M35: 33,007,873 km (0.117 R)
• M36: 38,619,438 km (0.081 R)
• M37: 39,075,562 km (0.09 R)
• M38: 47,739,523 km (0.106 R)
• M39: 53,733,162 km (0.116 R)
• M40: 59,599,792 km (0.119 R)
• M41: 65,017,329 km (0.111 R)
• M42: 71,436,723 km (0.099 R)
• M43: 83,981,103 km (0.087 R)
• M44: 84,490,783 km (0.107 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 13,344 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit