🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.4

Radius: 9.8

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.39 AU - 0.63 AU

Year: 251 Days

Day: 9.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,063,211 km

• M1: 121,922 km (0.057 R)
• M2: 427,252 km (0.056 R)
• M3: 774,917 km (0.079 R)
• M4: 1,206,208 km (0.118 R)
• M5: 1,603,839 km (0.093 R)
• M6: 1,979,778 km (0.104 R)
• M7: 2,286,454 km (0.045 R)
• M8: 3,291,752 km (0.06 R)
• M9: 3,848,704 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.5

Radius: 8.2

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.49 AU - 0.63 AU

Year: 289 Days

Day: 7.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,063,211 km

• M1: 102,624 km (0.097 R)
• M2: 471,981 km (0.068 R)
• M3: 731,534 km (0.106 R)
• M4: 1,742,067 km (0.082 R)
• M5: 2,578,170 km (0.051 R)
• M6: 2,919,103 km (0.106 R)
• M7: 3,199,300 km (0.116 R)
• M8: 3,702,996 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.4

Radius: 12.9

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.79 AU - 0.99 AU

Year: 580 Days

Day: 7.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,063,211 km

• M1: 160,668 km (0.105 R)
• M2: 607,517 km (0.119 R)
• M3: 1,036,264 km (0.079 R)
• M4: 1,690,755 km (0.044 R)
• M5: 2,147,926 km (0.078 R)
• M6: 3,061,520 km (0.109 R)
• M7: 4,342,826 km (0.077 R)
• M8: 4,997,466 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.6

Radius: 11.9

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.61 AU - 2.01 AU

Year: 1681 Days

Day: 7.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,063,211 km

• M1: 147,952 km (0.069 R)
• M2: 905,815 km (0.097 R)
• M3: 1,300,903 km (0.077 R)
• M4: 1,951,504 km (0.047 R)
• M5: 3,747,427 km (0.11 R)
• M6: 4,270,421 km (0.03 R)
• M7: 5,243,106 km (0.071 R)
• M8: 6,186,171 km (0.091 R)
• M9: 7,157,959 km (0.108 R)
• M10: 7,596,580 km (0.045 R)
• M11: 10,201,528 km (0.113 R)
• M12: 11,079,817 km (0.072 R)
• M13: 11,481,936 km (0.104 R)
• M14: 13,976,331 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.6

Radius: 7.1

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.42 AU - 7.02 AU

Year: 9443 Days

Day: 24.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,063,211 km

• M1: 88,263 km (0.083 R)
• M2: 431,291 km (0.112 R)
• M3: 966,103 km (0.097 R)
• M4: 1,224,010 km (0.096 R)
• M5: 2,016,729 km (0.11 R)
• M6: 2,679,298 km (0.081 R)
• M7: 3,030,404 km (0.089 R)
• M8: 3,324,364 km (0.046 R)
• M9: 4,587,120 km (0.105 R)
• M10: 6,174,802 km (0.102 R)
• M11: 7,038,131 km (0.052 R)
• M12: 7,979,550 km (0.084 R)
• M13: 9,611,813 km (0.113 R)
• M14: 9,881,239 km (0.091 R)
• M15: 10,341,701 km (0.091 R)
• M16: 12,807,223 km (0.053 R)
• M17: 13,577,802 km (0.101 R)
• M18: 18,933,256 km (0.027 R)
• M19: 26,942,577 km (0.06 R)
• M20: 33,344,169 km (0.039 R)
• M21: 33,962,457 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.9

Radius: 3.8

Gravity: 38.84 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 8.97 AU - 9.07 AU

Year: 18699 Days

Day: 15.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 68,063,211 km

• M1: 48,171 km (0.094 R)
• M2: 183,257 km (0.093 R)
• M3: 551,567 km (0.093 R)
• M4: 732,730 km (0.093 R)
• M5: 1,242,710 km (0.087 R)
• M6: 2,604,349 km (0.09 R)
• M7: 2,840,265 km (0.083 R)
• M8: 5,122,530 km (0.108 R)
• M9: 5,645,824 km (0.111 R)
• M10: 6,122,143 km (0.049 R)
• M11: 6,245,262 km (0.089 R)
• M12: 7,382,805 km (0.091 R)
• M13: 8,549,219 km (0.084 R)
• M14: 9,391,904 km (0.096 R)
• M15: 9,833,218 km (0.064 R)
• M16: 10,638,802 km (0.087 R)
• M17: 10,936,801 km (0.095 R)
• M18: 12,643,264 km (0.076 R)
• M19: 15,034,436 km (0.089 R)
• M20: 17,216,920 km (0.114 R)
• M21: 17,462,559 km (0.068 R)
• M22: 18,044,944 km (0.113 R)
• M23: 20,321,225 km (0.093 R)
• M24: 21,245,441 km (0.118 R)
• M25: 22,004,800 km (0.059 R)
• M26: 24,700,852 km (0.075 R)
• M27: 25,118,081 km (0.088 R)
• M28: 30,617,448 km (0.11 R)
• M29: 34,351,710 km (0.071 R)
• M30: 37,002,884 km (0.103 R)
• M31: 37,275,301 km (0.065 R)
• M32: 37,962,255 km (0.11 R)
• M33: 38,100,633 km (0.075 R)
• M34: 40,360,608 km (0.107 R)
• M35: 41,965,195 km (0.067 R)
• M36: 42,261,398 km (0.051 R)
• M37: 42,410,099 km (0.115 R)
• M38: 46,714,927 km (0.045 R)
• M39: 48,809,148 km (0.115 R)
• M40: 58,362,468 km (0.112 R)
• M41: 60,600,302 km (0.084 R)
• M42: 64,063,343 km (0.069 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 13,597 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit