🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.7

Radius: 8.2

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.18 AU - 1.94 AU

Year: 1322 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,055,145 km

• M1: 102,026 km (0.051 R)
• M2: 412,741 km (0.064 R)
• M3: 843,433 km (0.054 R)
• M4: 1,101,788 km (0.065 R)
• M5: 1,504,955 km (0.095 R)
• M6: 2,147,328 km (0.117 R)
• M7: 2,425,131 km (0.106 R)
• M8: 3,232,810 km (0.095 R)
• M9: 4,773,219 km (0.115 R)
• M10: 5,667,964 km (0.106 R)
• M11: 5,940,531 km (0.059 R)
• M12: 6,472,651 km (0.081 R)
• M13: 6,730,408 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.9

Radius: 9.3

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.1 AU - 3.08 AU

Year: 2827 Days

Day: 10.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,055,145 km

• M1: 116,686 km (0.089 R)
• M2: 754,272 km (0.109 R)
• M3: 1,145,770 km (0.089 R)
• M4: 1,846,337 km (0.057 R)
• M5: 2,214,048 km (0.081 R)
• M6: 2,688,872 km (0.069 R)
• M7: 7,539,134 km (0.057 R)
• M8: 8,668,449 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.1

Radius: 12.9

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.65 AU - 2.89 AU

Year: 3127 Days

Day: 5.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,055,145 km

• M1: 160,668 km (0.045 R)
• M2: 740,509 km (0.096 R)
• M3: 1,475,633 km (0.115 R)
• M4: 2,280,769 km (0.11 R)
• M5: 2,747,365 km (0.032 R)
• M6: 3,603,663 km (0.103 R)
• M7: 4,443,506 km (0.117 R)
• M8: 5,270,483 km (0.107 R)
• M9: 5,843,891 km (0.068 R)
• M10: 7,201,791 km (0.096 R)
• M11: 9,292,721 km (0.087 R)
• M12: 9,776,370 km (0.1 R)
• M13: 11,642,305 km (0.101 R)
• M14: 12,204,942 km (0.052 R)
• M15: 13,824,040 km (0.118 R)
• M16: 15,581,965 km (0.101 R)
• M17: 16,019,389 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.8

Radius: 6.3

Gravity: 19.47 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.24 AU - 6.58 AU

Year: 11007 Days

Day: 18.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,055,145 km

• M1: 78,539 km (0.058 R)
• M2: 683,363 km (0.077 R)
• M3: 1,089,372 km (0.051 R)
• M4: 1,512,584 km (0.096 R)
• M5: 1,802,654 km (0.118 R)
• M6: 2,004,611 km (0.074 R)
• M7: 2,259,526 km (0.106 R)
• M8: 2,947,228 km (0.039 R)
• M9: 3,712,570 km (0.103 R)
• M10: 3,929,936 km (0.099 R)
• M11: 4,213,723 km (0.109 R)
• M12: 4,790,722 km (0.067 R)
• M13: 6,251,396 km (0.108 R)
• M14: 7,249,513 km (0.088 R)
• M15: 7,941,702 km (0.086 R)
• M16: 8,629,703 km (0.113 R)
• M17: 11,840,971 km (0.088 R)
• M18: 14,868,682 km (0.109 R)
• M19: 18,611,770 km (0.104 R)
• M20: 21,953,787 km (0.109 R)
• M21: 22,397,793 km (0.117 R)
• M22: 24,995,710 km (0.032 R)
• M23: 29,580,436 km (0.078 R)
• M24: 32,240,735 km (0.117 R)
• M25: 35,541,013 km (0.085 R)
• M26: 37,904,510 km (0.062 R)
• M27: 38,159,275 km (0.089 R)
• M28: 38,672,097 km (0.093 R)
• M29: 43,357,502 km (0.078 R)
• M30: 47,515,276 km (0.106 R)
• M31: 47,811,479 km (0.044 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837.7

Radius: 4.6

Gravity: 39.59 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.72 AU - 7.9 AU

Year: 12053 Days

Day: 19.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 109.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 58,055,145 km

• M1: 57,296 km (0.109 R)
• M2: 401,072 km (0.098 R)
• M3: 549,623 km (0.049 R)
• M4: 1,018,911 km (0.073 R)
• M5: 1,263,354 km (0.07 R)
• M6: 1,735,335 km (0.106 R)
• M7: 2,179,641 km (0.072 R)
• M8: 2,785,812 km (0.095 R)
• M9: 3,577,633 km (0.069 R)
• M10: 6,471,305 km (0.088 R)
• M11: 6,714,850 km (0.077 R)
• M12: 6,922,492 km (0.052 R)
• M13: 8,643,017 km (0.057 R)
• M14: 9,189,797 km (0.061 R)
• M15: 9,865,381 km (0.077 R)
• M16: 10,517,777 km (0.062 R)
• M17: 11,083,108 km (0.072 R)
• M18: 11,788,013 km (0.108 R)
• M19: 12,151,386 km (0.086 R)
• M20: 14,977,739 km (0.051 R)
• M21: 19,276,134 km (0.055 R)
• M22: 23,369,282 km (0.052 R)
• M23: 24,135,672 km (0.069 R)
• M24: 25,617,588 km (0.114 R)
• M25: 26,226,900 km (0.095 R)
• M26: 28,005,918 km (0.114 R)
• M27: 30,199,771 km (0.106 R)
• M28: 30,879,693 km (0.105 R)
• M29: 34,802,449 km (0.027 R)
• M30: 35,174,648 km (0.031 R)
• M31: 38,249,034 km (0.028 R)
• M32: 39,851,227 km (0.1 R)
• M33: 41,636,977 km (0.049 R)
• M34: 41,916,276 km (0.107 R)
• M35: 44,051,636 km (0.099 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 13,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit