🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.9

Radius: 13.9

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.54 AU - 0.8 AU

Year: 372 Days

Day: 8.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 18,920,287 km

• M1: 172,935 km (0.116 R)
• M2: 606,769 km (0.111 R)
• M3: 1,113,457 km (0.116 R)
• M4: 1,679,535 km (0.112 R)
• M5: 2,214,198 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.1

Radius: 11.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.94 AU - 1.04 AU

Year: 668 Days

Day: 12.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,920,287 km

• M1: 143,016 km (0.074 R)
• M2: 602,281 km (0.085 R)
• M3: 1,216,380 km (0.097 R)
• M4: 1,597,855 km (0.091 R)
• M5: 2,002,816 km (0.083 R)
• M6: 2,601,657 km (0.063 R)
• M7: 3,665,447 km (0.08 R)
• M8: 4,051,709 km (0.118 R)
• M9: 4,493,770 km (0.084 R)
• M10: 5,045,039 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.6

Radius: 14.5

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.2 AU - 1.5 AU

Year: 1064 Days

Day: 10.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,920,287 km

• M1: 180,265 km (0.052 R)
• M2: 682,615 km (0.069 R)
• M3: 1,162,974 km (0.09 R)
• M4: 1,787,246 km (0.083 R)
• M5: 2,287,351 km (0.095 R)
• M6: 3,120,462 km (0.096 R)
• M7: 3,638,968 km (0.104 R)
• M8: 4,317,095 km (0.112 R)
• M9: 5,021,253 km (0.071 R)
• M10: 5,532,428 km (0.114 R)
• M11: 6,409,820 km (0.103 R)
• M12: 7,036,934 km (0.082 R)
• M13: 8,387,653 km (0.073 R)
• M14: 9,053,514 km (0.086 R)
• M15: 9,516,968 km (0.099 R)
• M16: 10,523,013 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.7

Radius: 14.1

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.02 AU - 2.24 AU

Year: 2108 Days

Day: 14.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,920,287 km

• M1: 175,329 km (0.079 R)
• M2: 1,081,892 km (0.117 R)
• M3: 1,797,718 km (0.081 R)
• M4: 2,287,651 km (0.108 R)
• M5: 2,918,804 km (0.111 R)
• M6: 3,913,929 km (0.083 R)
• M7: 7,882,611 km (0.11 R)
• M8: 8,961,660 km (0.087 R)
• M9: 9,537,014 km (0.107 R)
• M10: 10,634,913 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744

Radius: 13.5

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.81 AU - 2.61 AU

Year: 2228 Days

Day: 8.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 118.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,920,287 km

• M1: 167,998 km (0.079 R)
• M2: 676,930 km (0.097 R)
• M3: 1,207,853 km (0.087 R)
• M4: 2,018,823 km (0.072 R)
• M5: 3,120,462 km (0.078 R)
• M6: 4,024,033 km (0.115 R)
• M7: 4,443,954 km (0.08 R)
• M8: 5,049,826 km (0.045 R)
• M9: 6,036,424 km (0.083 R)
• M10: 6,589,487 km (0.069 R)
• M11: 7,497,546 km (0.074 R)
• M12: 8,231,922 km (0.092 R)
• M13: 10,060,457 km (0.098 R)
• M14: 10,954,753 km (0.087 R)
• M15: 12,731,377 km (0.038 R)
• M16: 14,927,923 km (0.105 R)
• M17: 15,648,236 km (0.078 R)
• M18: 16,291,059 km (0.101 R)
• M19: 17,158,277 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.9

Radius: 12.1

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.1 AU - 2.4 AU

Year: 2289 Days

Day: 6.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 18,920,287 km

• M1: 150,645 km (0.086 R)
• M2: 532,269 km (0.116 R)
• M3: 1,037,611 km (0.103 R)
• M4: 1,966,913 km (0.078 R)
• M5: 2,735,098 km (0.114 R)
• M6: 3,403,800 km (0.077 R)
• M7: 4,456,072 km (0.092 R)
• M8: 5,047,731 km (0.105 R)
• M9: 5,602,440 km (0.108 R)
• M10: 6,437,496 km (0.111 R)
• M11: 7,353,633 km (0.107 R)
• M12: 7,732,714 km (0.107 R)
• M13: 8,325,869 km (0.053 R)
• M14: 8,767,931 km (0.085 R)
• M15: 9,763,804 km (0.086 R)
• M16: 10,798,872 km (0.092 R)
• M17: 11,361,061 km (0.118 R)
• M18: 13,524,096 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.6

Radius: 10.3

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.76 AU - 2.94 AU

Year: 3263 Days

Day: 10.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,920,287 km

• M1: 128,056 km (0.063 R)
• M2: 473,926 km (0.094 R)
• M3: 809,624 km (0.119 R)
• M4: 1,143,077 km (0.047 R)
• M5: 1,969,157 km (0.103 R)
• M6: 2,352,576 km (0.094 R)
• M7: 2,973,557 km (0.117 R)
• M8: 3,535,596 km (0.092 R)
• M9: 4,435,726 km (0.075 R)
• M10: 5,312,819 km (0.098 R)
• M11: 5,881,889 km (0.112 R)
• M12: 7,589,848 km (0.06 R)
• M13: 9,080,292 km (0.075 R)
• M14: 13,782,003 km (0.059 R)
• M15: 14,809,142 km (0.085 R)
• M16: 17,015,411 km (0.081 R)
• M17: 17,599,441 km (0.109 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 11,456 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit