🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.4

Radius: 10.2

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.7 AU - 0.8 AU

Year: 448 Days

Day: 7 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,244,393 km

• M1: 127,308 km (0.112 R)
• M2: 549,323 km (0.079 R)
• M3: 885,619 km (0.105 R)
• M4: 1,339,200 km (0.089 R)
• M5: 1,789,789 km (0.1 R)
• M6: 2,865,846 km (0.114 R)
• M7: 3,661,258 km (0.111 R)
• M8: 5,105,626 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.2

Radius: 12.2

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.6 AU - 0.96 AU

Year: 476 Days

Day: 6.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,244,393 km

• M1: 152,291 km (0.096 R)
• M2: 604,974 km (0.082 R)
• M3: 1,261,409 km (0.068 R)
• M4: 1,745,658 km (0.093 R)
• M5: 2,837,273 km (0.109 R)
• M6: 3,231,164 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.8

Radius: 10.2

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.87 AU - 0.93 AU

Year: 589 Days

Day: 6.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,244,393 km

• M1: 126,859 km (0.06 R)
• M2: 471,981 km (0.081 R)
• M3: 919,877 km (0.118 R)
• M4: 1,336,657 km (0.104 R)
• M5: 2,272,392 km (0.084 R)
• M6: 2,864,949 km (0.118 R)
• M7: 3,340,221 km (0.037 R)
• M8: 4,761,700 km (0.069 R)
• M9: 5,309,378 km (0.115 R)
• M10: 6,511,098 km (0.115 R)
• M11: 7,102,159 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.4

Radius: 11.3

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.02 AU - 1.18 AU

Year: 796 Days

Day: 11.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,244,393 km

• M1: 140,472 km (0.086 R)
• M2: 538,253 km (0.028 R)
• M3: 901,477 km (0.108 R)
• M4: 1,369,718 km (0.069 R)
• M5: 2,371,575 km (0.112 R)
• M6: 3,222,637 km (0.116 R)
• M7: 4,311,560 km (0.118 R)
• M8: 4,990,585 km (0.111 R)
• M9: 6,866,542 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.4

Radius: 11.1

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.1 AU - 1.16 AU

Year: 829 Days

Day: 5.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,244,393 km

• M1: 138,079 km (0.111 R)
• M2: 777,161 km (0.096 R)
• M3: 1,387,969 km (0.05 R)
• M4: 1,749,098 km (0.089 R)
• M5: 2,488,411 km (0.119 R)
• M6: 3,802,479 km (0.074 R)
• M7: 4,793,265 km (0.106 R)
• M8: 5,234,729 km (0.045 R)
• M9: 5,983,616 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.9

Radius: 8.5

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.49 AU - 2.39 AU

Year: 1865 Days

Day: 14 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,244,393 km

• M1: 105,766 km (0.089 R)
• M2: 468,541 km (0.111 R)
• M3: 844,929 km (0.065 R)
• M4: 1,301,202 km (0.117 R)
• M5: 1,819,559 km (0.108 R)
• M6: 2,405,833 km (0.109 R)
• M7: 2,778,032 km (0.113 R)
• M8: 3,067,355 km (0.116 R)
• M9: 3,344,709 km (0.052 R)
• M10: 3,672,777 km (0.057 R)
• M11: 4,076,542 km (0.109 R)
• M12: 5,878,299 km (0.104 R)
• M13: 6,187,069 km (0.087 R)
• M14: 6,734,447 km (0.093 R)
• M15: 7,232,608 km (0.06 R)
• M16: 8,302,831 km (0.118 R)
• M17: 9,604,632 km (0.119 R)
• M18: 9,966,958 km (0.098 R)
• M19: 10,338,410 km (0.099 R)
• M20: 10,754,142 km (0.078 R)
• M21: 12,297,693 km (0.112 R)
• M22: 13,775,271 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.3

Radius: 10.7

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.47 AU - 3.31 AU

Year: 3391 Days

Day: 5.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,244,393 km

• M1: 133,890 km (0.092 R)
• M2: 587,920 km (0.095 R)
• M3: 1,226,104 km (0.113 R)
• M4: 1,656,946 km (0.087 R)
• M5: 2,081,505 km (0.091 R)
• M6: 2,547,951 km (0.081 R)
• M7: 3,518,991 km (0.113 R)
• M8: 5,151,851 km (0.105 R)
• M9: 5,956,688 km (0.082 R)
• M10: 6,403,686 km (0.037 R)
• M11: 8,912,742 km (0.074 R)
• M12: 11,034,788 km (0.104 R)
• M13: 11,496,596 km (0.074 R)
• M14: 11,883,905 km (0.099 R)
• M15: 12,235,610 km (0.115 R)
• M16: 12,913,587 km (0.061 R)
• M17: 13,856,503 km (0.073 R)
• M18: 16,038,238 km (0.07 R)
• M19: 18,674,751 km (0.09 R)
• M20: 21,135,786 km (0.054 R)
• M21: 21,783,245 km (0.086 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: 394 - 19,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit