🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.8

Radius: 10.4

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.12 AU - 1.14 AU

Year: 764 Days

Day: 14.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,223,498 km

• M1: 129,402 km (0.065 R)
• M2: 479,611 km (0.101 R)
• M3: 1,036,264 km (0.083 R)
• M4: 1,621,192 km (0.11 R)
• M5: 2,197,892 km (0.087 R)
• M6: 2,647,284 km (0.117 R)
• M7: 3,505,677 km (0.066 R)
• M8: 4,015,057 km (0.096 R)
• M9: 4,457,418 km (0.091 R)
• M10: 4,914,739 km (0.06 R)
• M11: 5,422,025 km (0.103 R)
• M12: 6,310,038 km (0.048 R)
• M13: 7,384,300 km (0.059 R)
• M14: 7,712,668 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.7

Radius: 12.5

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.9 AU - 1.42 AU

Year: 794 Days

Day: 14.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,223,498 km

• M1: 155,731 km (0.118 R)
• M2: 994,676 km (0.114 R)
• M3: 1,412,353 km (0.098 R)
• M4: 1,866,383 km (0.103 R)
• M5: 2,429,469 km (0.078 R)
• M6: 2,975,053 km (0.074 R)
• M7: 3,558,036 km (0.109 R)
• M8: 4,024,931 km (0.064 R)
• M9: 6,106,136 km (0.096 R)
• M10: 7,285,566 km (0.075 R)
• M11: 8,042,830 km (0.058 R)
• M12: 8,905,860 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.6

Radius: 12.9

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.11 AU - 1.57 AU

Year: 986 Days

Day: 13.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,223,498 km

• M1: 160,369 km (0.089 R)
• M2: 722,408 km (0.086 R)
• M3: 1,135,298 km (0.11 R)
• M4: 1,704,219 km (0.115 R)
• M5: 2,226,465 km (0.12 R)
• M6: 2,629,183 km (0.117 R)
• M7: 3,198,851 km (0.114 R)
• M8: 4,128,153 km (0.076 R)
• M9: 5,155,591 km (0.085 R)
• M10: 5,631,313 km (0.089 R)
• M11: 6,198,887 km (0.109 R)
• M12: 6,715,598 km (0.052 R)
• M13: 8,084,269 km (0.095 R)
• M14: 9,462,514 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.8

Radius: 14.1

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.57 AU - 1.61 AU

Year: 1275 Days

Day: 9.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,223,498 km

• M1: 179,817 km (0.107 R)
• M2: 643,720 km (0.056 R)
• M3: 1,572,423 km (0.079 R)
• M4: 4,181,859 km (0.067 R)
• M5: 4,807,926 km (0.073 R)
• M6: 5,698,632 km (0.047 R)
• M7: 7,884,855 km (0.113 R)
• M8: 8,899,577 km (0.101 R)
• M9: 9,352,260 km (0.112 R)
• M10: 10,242,667 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.7

Radius: 13.2

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.31 AU - 2.15 AU

Year: 1447 Days

Day: 5.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,223,498 km

• M1: 164,857 km (0.071 R)
• M2: 588,069 km (0.115 R)
• M3: 1,096,852 km (0.059 R)
• M4: 1,693,747 km (0.094 R)
• M5: 3,762,686 km (0.117 R)
• M6: 4,272,066 km (0.046 R)
• M7: 4,788,927 km (0.112 R)
• M8: 5,347,226 km (0.114 R)
• M9: 6,812,837 km (0.117 R)
• M10: 8,503,143 km (0.073 R)
• M11: 9,355,103 km (0.11 R)
• M12: 9,849,075 km (0.099 R)
• M13: 10,523,761 km (0.117 R)
• M14: 10,990,507 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.5

Radius: 8.6

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.03 AU - 5.47 AU

Year: 7648 Days

Day: 6.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 53.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,223,498 km

• M1: 112,198 km (0.118 R)
• M2: 1,010,683 km (0.107 R)
• M3: 2,130,124 km (0.07 R)
• M4: 4,115,138 km (0.091 R)
• M5: 4,674,784 km (0.118 R)
• M6: 6,549,395 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.9

Radius: 10.8

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.08 AU - 6.58 AU

Year: 7824 Days

Day: 13.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,223,498 km

• M1: 134,339 km (0.086 R)
• M2: 471,084 km (0.11 R)
• M3: 1,019,210 km (0.089 R)
• M4: 2,214,796 km (0.092 R)
• M5: 2,554,982 km (0.112 R)
• M6: 4,560,192 km (0.079 R)
• M7: 7,175,163 km (0.093 R)
• M8: 7,725,533 km (0.104 R)
• M9: 8,431,635 km (0.067 R)
• M10: 8,955,527 km (0.106 R)
• M11: 10,708,814 km (0.07 R)
• M12: 12,850,008 km (0.066 R)
• M13: 13,310,171 km (0.096 R)
• M14: 16,306,617 km (0.116 R)
• M15: 18,176,291 km (0.114 R)
• M16: 19,125,639 km (0.114 R)
• M17: 20,572,250 km (0.069 R)
• M18: 22,585,239 km (0.039 R)
• M19: 28,621,813 km (0.101 R)
• M20: 33,662,513 km (0.101 R)
• M21: 34,427,706 km (0.062 R)
• M22: 38,905,469 km (0.078 R)
• M23: 40,973,361 km (0.102 R)
• M24: 41,845,816 km (0.12 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 16,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit