🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.7

Radius: 11.7

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.43 AU - 0.63 AU

Year: 257 Days

Day: 14 Hours

Environment

Temp: -145 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,705,295 km

• M1: 145,559 km (0.102 R)
• M2: 516,561 km (0.074 R)
• M3: 952,789 km (0.025 R)
• M4: 1,738,178 km (0.111 R)
• M5: 2,132,069 km (0.1 R)
• M6: 2,857,768 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.1

Radius: 14

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.83 AU - 1.01 AU

Year: 588 Days

Day: 14.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,705,295 km

• M1: 174,431 km (0.116 R)
• M2: 641,027 km (0.078 R)
• M3: 1,182,122 km (0.099 R)
• M4: 1,730,847 km (0.12 R)
• M5: 2,332,829 km (0.057 R)
• M6: 3,003,776 km (0.089 R)
• M7: 3,511,960 km (0.091 R)
• M8: 4,323,678 km (0.12 R)
• M9: 4,782,644 km (0.109 R)
• M10: 6,019,519 km (0.088 R)
• M11: 6,633,768 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.9

Radius: 10.6

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.76 AU - 1.26 AU

Year: 677 Days

Day: 9.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,705,295 km

• M1: 131,796 km (0.027 R)
• M2: 504,294 km (0.112 R)
• M3: 892,950 km (0.088 R)
• M4: 1,578,557 km (0.106 R)
• M5: 2,829,793 km (0.11 R)
• M6: 3,642,708 km (0.115 R)
• M7: 4,062,031 km (0.094 R)
• M8: 4,697,074 km (0.113 R)
• M9: 5,448,354 km (0.088 R)
• M10: 6,183,778 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.5

Radius: 9.6

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.13 AU - 1.19 AU

Year: 833 Days

Day: 13.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,705,295 km

• M1: 121,773 km (0.089 R)
• M2: 422,464 km (0.07 R)
• M3: 723,904 km (0.115 R)
• M4: 1,295,218 km (0.073 R)
• M5: 1,995,636 km (0.118 R)
• M6: 2,966,227 km (0.103 R)
• M7: 3,837,634 km (0.048 R)
• M8: 4,491,526 km (0.116 R)
• M9: 5,253,428 km (0.095 R)
• M10: 6,000,969 km (0.069 R)
• M11: 7,186,532 km (0.095 R)
• M12: 8,011,714 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183

Radius: 12.2

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.38 AU - 1.38 AU

Year: 1081 Days

Day: 13.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,705,295 km

• M1: 151,991 km (0.085 R)
• M2: 723,754 km (0.063 R)
• M3: 1,495,979 km (0.08 R)
• M4: 2,807,054 km (0.029 R)
• M5: 3,208,276 km (0.096 R)
• M6: 3,780,787 km (0.027 R)
• M7: 4,790,722 km (0.096 R)
• M8: 5,935,894 km (0.106 R)
• M9: 6,622,399 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.4

Radius: 14.1

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.51 AU - 1.53 AU

Year: 1250 Days

Day: 10.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,705,295 km

• M1: 178,021 km (0.116 R)
• M2: 728,691 km (0.116 R)
• M3: 1,277,267 km (0.095 R)
• M4: 2,363,646 km (0.11 R)
• M5: 2,902,049 km (0.111 R)
• M6: 3,467,080 km (0.1 R)
• M7: 6,461,730 km (0.059 R)
• M8: 7,317,729 km (0.107 R)
• M9: 8,398,275 km (0.099 R)

Asteroid Belt

Center: 2.85 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502

Radius: 14.6

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.15 AU - 4.21 AU

Year: 5699 Days

Day: 7.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,705,295 km

• M1: 181,612 km (0.107 R)
• M2: 1,027,438 km (0.105 R)
• M3: 1,866,383 km (0.082 R)
• M4: 2,730,909 km (0.049 R)
• M5: 3,894,182 km (0.09 R)
• M6: 4,453,678 km (0.115 R)
• M7: 5,013,623 km (0.106 R)
• M8: 5,765,053 km (0.101 R)
• M9: 6,654,861 km (0.101 R)
• M10: 7,354,979 km (0.104 R)
• M11: 8,252,118 km (0.113 R)
• M12: 11,479,093 km (0.068 R)
• M13: 12,145,253 km (0.062 R)
• M14: 12,787,028 km (0.084 R)
• M15: 15,016,036 km (0.046 R)
• M16: 16,400,564 km (0.107 R)
• M17: 17,493,526 km (0.117 R)
• M18: 17,994,679 km (0.071 R)
• M19: 18,505,556 km (0.068 R)
• M20: 18,960,333 km (0.07 R)
• M21: 21,776,214 km (0.117 R)
• M22: 22,503,260 km (0.097 R)
• M23: 24,469,425 km (0.117 R)
• M24: 29,264,635 km (0.085 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 14,062 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit