🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.2

Radius: 8.1

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.54 AU - 0.7 AU

Year: 326 Days

Day: 9.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,247,063 km

• M1: 100,829 km (0.053 R)
• M2: 424,858 km (0.097 R)
• M3: 923,767 km (0.116 R)
• M4: 1,376,899 km (0.109 R)
• M5: 1,793,080 km (0.115 R)
• M6: 2,298,422 km (0.119 R)
• M7: 2,694,108 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.1

Radius: 12.2

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.94 AU - 0.98 AU

Year: 627 Days

Day: 12 Hours

Environment

Temp: -183 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,247,063 km

• M1: 151,692 km (0.095 R)
• M2: 607,966 km (0.099 R)
• M3: 1,079,049 km (0.118 R)
• M4: 1,473,988 km (0.1 R)
• M5: 1,958,535 km (0.03 R)
• M6: 2,667,779 km (0.111 R)
• M7: 4,002,341 km (0.113 R)
• M8: 4,662,517 km (0.12 R)
• M9: 5,217,375 km (0.119 R)
• M10: 7,064,460 km (0.12 R)
• M11: 7,638,467 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.5

Radius: 9.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.9 AU - 1.28 AU

Year: 759 Days

Day: 14.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,247,063 km

• M1: 128,205 km (0.099 R)
• M2: 552,615 km (0.115 R)
• M3: 1,030,131 km (0.084 R)
• M4: 1,548,188 km (0.034 R)
• M5: 2,337,916 km (0.091 R)
• M6: 2,980,887 km (0.055 R)
• M7: 4,247,682 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.4

Radius: 13.2

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.91 AU - 2.89 AU

Year: 2479 Days

Day: 13.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,247,063 km

• M1: 164,109 km (0.09 R)
• M2: 781,798 km (0.092 R)
• M3: 1,268,141 km (0.109 R)
• M4: 1,693,149 km (0.091 R)
• M5: 2,642,347 km (0.116 R)
• M6: 3,515,999 km (0.074 R)
• M7: 3,960,155 km (0.103 R)
• M8: 4,420,168 km (0.092 R)
• M9: 5,010,182 km (0.03 R)
• M10: 6,775,886 km (0.093 R)
• M11: 7,816,489 km (0.058 R)
• M12: 8,308,367 km (0.108 R)
• M13: 9,245,747 km (0.092 R)
• M14: 11,166,883 km (0.11 R)
• M15: 14,237,229 km (0.111 R)
• M16: 17,775,518 km (0.069 R)
• M17: 20,110,442 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.3

Radius: 13

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.11 AU - 3.75 AU

Year: 4236 Days

Day: 12.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,247,063 km

• M1: 162,613 km (0.027 R)
• M2: 788,530 km (0.12 R)
• M3: 1,543,551 km (0.04 R)
• M4: 2,259,227 km (0.106 R)
• M5: 3,155,917 km (0.086 R)
• M6: 3,576,137 km (0.082 R)
• M7: 4,163,758 km (0.07 R)
• M8: 5,602,889 km (0.105 R)
• M9: 8,305,225 km (0.072 R)
• M10: 9,438,578 km (0.104 R)
• M11: 10,708,216 km (0.101 R)
• M12: 12,441,756 km (0.086 R)
• M13: 13,086,523 km (0.107 R)
• M14: 13,838,401 km (0.112 R)
• M15: 14,975,196 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 13.9

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.13 AU - 4.47 AU

Year: 4940 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,247,063 km

• M1: 172,935 km (0.08 R)
• M2: 860,487 km (0.111 R)
• M3: 1,542,055 km (0.111 R)
• M4: 2,276,281 km (0.062 R)
• M5: 2,743,326 km (0.1 R)
• M6: 5,326,731 km (0.115 R)
• M7: 7,502,034 km (0.047 R)
• M8: 8,512,119 km (0.099 R)
• M9: 8,989,336 km (0.068 R)
• M10: 9,442,468 km (0.09 R)
• M11: 9,910,709 km (0.088 R)
• M12: 12,899,824 km (0.098 R)
• M13: 15,025,909 km (0.083 R)
• M14: 15,843,312 km (0.095 R)
• M15: 16,813,753 km (0.118 R)
• M16: 17,630,857 km (0.051 R)
• M17: 18,872,819 km (0.087 R)
• M18: 19,963,088 km (0.076 R)
• M19: 21,312,012 km (0.064 R)
• M20: 22,269,438 km (0.096 R)
• M21: 23,486,866 km (0.068 R)
• M22: 24,588,205 km (0.11 R)
• M23: 25,232,822 km (0.091 R)
• M24: 29,070,905 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.5

Radius: 13.5

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.32 AU - 6.04 AU

Year: 9027 Days

Day: 6.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,247,063 km

• M1: 193,280 km (0.115 R)
• M2: 1,536,520 km (0.101 R)
• M3: 2,147,627 km (0.107 R)
• M4: 4,438,569 km (0.078 R)
• M5: 5,418,584 km (0.119 R)
• M6: 6,572,134 km (0.052 R)
• M7: 8,560,140 km (0.102 R)
• M8: 9,018,657 km (0.103 R)
• M9: 10,874,120 km (0.115 R)
• M10: 11,968,727 km (0.085 R)
• M11: 13,135,591 km (0.104 R)
• M12: 15,756,994 km (0.083 R)
• M13: 19,627,241 km (0.036 R)
• M14: 21,936,284 km (0.036 R)
• M15: 27,716,147 km (0.116 R)
• M16: 32,388,687 km (0.112 R)
• M17: 34,752,782 km (0.094 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 18,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit