🌌 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: 294.1

Radius: 14.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.44 AU - 0.62 AU

Year: 266 Days

Day: 9.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,136,394 km

• M1: 179,069 km (0.069 R)
• M2: 731,384 km (0.064 R)
• M3: 1,219,372 km (0.084 R)
• M4: 1,703,770 km (0.104 R)
• M5: 2,164,083 km (0.054 R)
• M6: 2,773,993 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.6

Radius: 11.6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.57 AU - 0.75 AU

Year: 370 Days

Day: 7 Hours

Environment

Temp: -163 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,136,394 km

• M1: 144,212 km (0.095 R)
• M2: 557,402 km (0.11 R)
• M3: 945,758 km (0.099 R)
• M4: 1,576,313 km (0.107 R)
• M5: 1,962,874 km (0.099 R)
• M6: 2,405,983 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.7

Radius: 13.2

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.24 AU - 1.86 AU

Year: 1332 Days

Day: 11.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,136,394 km

• M1: 164,109 km (0.114 R)
• M2: 1,191,846 km (0.117 R)
• M3: 2,385,338 km (0.047 R)
• M4: 2,820,668 km (0.071 R)
• M5: 3,350,544 km (0.1 R)
• M6: 6,642,893 km (0.069 R)
• M7: 7,278,984 km (0.077 R)
• M8: 7,709,077 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.8

Radius: 9.8

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.44 AU - 1.76 AU

Year: 1397 Days

Day: 9.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,136,394 km

• M1: 154,086 km (0.078 R)
• M2: 462,108 km (0.112 R)
• M3: 1,014,274 km (0.082 R)
• M4: 1,615,358 km (0.083 R)
• M5: 2,014,934 km (0.086 R)
• M6: 2,340,010 km (0.036 R)
• M7: 4,439,018 km (0.085 R)
• M8: 5,299,056 km (0.037 R)
• M9: 5,705,214 km (0.059 R)
• M10: 6,560,465 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.3

Radius: 14.9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.99 AU - 2.19 AU

Year: 2086 Days

Day: 5.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,136,394 km

• M1: 185,352 km (0.08 R)
• M2: 1,082,789 km (0.059 R)
• M3: 1,601,595 km (0.097 R)
• M4: 2,430,965 km (0.099 R)
• M5: 3,035,341 km (0.12 R)
• M6: 4,697,373 km (0.053 R)
• M7: 5,588,079 km (0.072 R)
• M8: 6,883,896 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.1

Radius: 8.5

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.97 AU - 4.55 AU

Year: 5033 Days

Day: 10 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,136,394 km

• M1: 112,049 km (0.069 R)
• M2: 432,787 km (0.067 R)
• M3: 1,169,257 km (0.075 R)
• M4: 1,533,528 km (0.104 R)
• M5: 2,833,234 km (0.077 R)
• M6: 3,183,443 km (0.077 R)
• M7: 4,462,355 km (0.08 R)
• M8: 5,216,777 km (0.116 R)
• M9: 5,775,525 km (0.113 R)
• M10: 6,244,365 km (0.099 R)
• M11: 6,704,528 km (0.087 R)
• M12: 7,116,820 km (0.043 R)
• M13: 10,538,721 km (0.074 R)
• M14: 12,994,071 km (0.054 R)
• M15: 13,365,822 km (0.096 R)
• M16: 13,799,356 km (0.056 R)
• M17: 14,523,859 km (0.11 R)
• M18: 15,156,508 km (0.117 R)
• M19: 16,662,510 km (0.03 R)
• M20: 17,483,802 km (0.091 R)
• M21: 18,935,051 km (0.074 R)
• M22: 23,376,163 km (0.12 R)
• M23: 25,381,224 km (0.11 R)
• M24: 25,795,460 km (0.084 R)
• M25: 26,383,230 km (0.097 R)
• M26: 29,365,164 km (0.045 R)
• M27: 31,791,941 km (0.1 R)
• M28: 32,564,764 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.1

Radius: 6.8

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.96 AU - 9.56 AU

Year: 14921 Days

Day: 18.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,136,394 km

• M1: 84,523 km (0.049 R)
• M2: 301,141 km (0.107 R)
• M3: 659,577 km (0.091 R)
• M4: 1,030,580 km (0.114 R)
• M5: 2,191,310 km (0.111 R)
• M6: 2,951,117 km (0.073 R)
• M7: 4,589,064 km (0.087 R)
• M8: 4,813,162 km (0.096 R)
• M9: 5,078,249 km (0.037 R)
• M10: 6,315,573 km (0.044 R)
• M11: 7,877,375 km (0.053 R)
• M12: 9,785,197 km (0.107 R)
• M13: 11,801,776 km (0.088 R)
• M14: 12,781,193 km (0.028 R)
• M15: 17,708,798 km (0.111 R)
• M16: 19,072,083 km (0.094 R)
• M17: 20,590,501 km (0.091 R)
• M18: 21,735,972 km (0.076 R)
• M19: 22,553,375 km (0.061 R)
• M20: 30,404,271 km (0.084 R)
• M21: 36,626,495 km (0.115 R)
• M22: 40,986,077 km (0.095 R)
• M23: 49,932,029 km (0.097 R)
• M24: 56,965,373 km (0.099 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: 506 - 14,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit