🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.5

Radius: 13.5

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.44 AU - 0.7 AU

Year: 287 Days

Day: 10.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 60,015,268 km

• M1: 167,849 km (0.03 R)
• M2: 652,097 km (0.08 R)
• M3: 1,425,369 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.4

Radius: 13.9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.59 AU - 0.69 AU

Year: 341 Days

Day: 11.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,015,268 km

• M1: 172,935 km (0.034 R)
• M2: 713,133 km (0.098 R)
• M3: 1,182,122 km (0.111 R)
• M4: 2,031,090 km (0.12 R)
• M5: 2,901,899 km (0.074 R)
• M6: 3,538,588 km (0.036 R)
• M7: 4,201,755 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.9

Radius: 9.4

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.13 AU - 2.27 AU

Year: 2176 Days

Day: 9.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,015,268 km

• M1: 116,836 km (0.098 R)
• M2: 451,935 km (0.099 R)
• M3: 777,311 km (0.041 R)
• M4: 1,346,082 km (0.051 R)
• M5: 1,718,730 km (0.108 R)
• M6: 2,172,909 km (0.091 R)
• M7: 2,675,558 km (0.083 R)
• M8: 3,254,053 km (0.096 R)
• M9: 3,740,994 km (0.048 R)
• M10: 4,529,674 km (0.113 R)
• M11: 5,572,670 km (0.114 R)
• M12: 5,927,816 km (0.092 R)
• M13: 6,379,452 km (0.102 R)
• M14: 7,291,699 km (0.112 R)
• M15: 7,779,388 km (0.105 R)
• M16: 8,288,620 km (0.115 R)
• M17: 9,303,342 km (0.042 R)
• M18: 10,098,604 km (0.085 R)
• M19: 10,666,328 km (0.05 R)
• M20: 12,455,070 km (0.089 R)
• M21: 16,409,839 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.2

Radius: 9.3

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.5 AU - 4.01 AU

Year: 4843 Days

Day: 9 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,015,268 km

• M1: 116,238 km (0.085 R)
• M2: 414,685 km (0.054 R)
• M3: 770,579 km (0.043 R)
• M4: 1,303,596 km (0.067 R)
• M5: 2,025,256 km (0.105 R)
• M6: 2,742,727 km (0.107 R)
• M7: 3,085,007 km (0.102 R)
• M8: 3,966,588 km (0.063 R)
• M9: 4,310,962 km (0.111 R)
• M10: 5,219,619 km (0.081 R)
• M11: 6,220,579 km (0.116 R)
• M12: 7,378,616 km (0.058 R)
• M13: 9,376,495 km (0.114 R)
• M14: 9,782,654 km (0.045 R)
• M15: 10,285,452 km (0.09 R)
• M16: 10,673,808 km (0.108 R)
• M17: 12,086,910 km (0.097 R)
• M18: 12,568,316 km (0.116 R)
• M19: 16,303,625 km (0.072 R)
• M20: 16,832,154 km (0.048 R)
• M21: 17,130,602 km (0.107 R)
• M22: 18,486,258 km (0.073 R)
• M23: 18,804,153 km (0.065 R)
• M24: 21,409,849 km (0.068 R)
• M25: 21,901,727 km (0.106 R)
• M26: 25,402,167 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.7

Radius: 10.6

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.59 AU - 5.67 AU

Year: 6644 Days

Day: 14.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,015,268 km

• M1: 131,945 km (0.093 R)
• M2: 496,067 km (0.08 R)
• M3: 900,280 km (0.045 R)
• M4: 1,920,238 km (0.078 R)
• M5: 2,743,775 km (0.074 R)
• M6: 3,267,367 km (0.051 R)
• M7: 3,652,582 km (0.112 R)
• M8: 6,025,653 km (0.104 R)
• M9: 6,641,697 km (0.073 R)
• M10: 6,982,331 km (0.087 R)
• M11: 11,018,182 km (0.091 R)
• M12: 11,594,284 km (0.071 R)
• M13: 14,610,027 km (0.073 R)
• M14: 17,078,542 km (0.036 R)
• M15: 17,785,392 km (0.116 R)
• M16: 18,444,969 km (0.094 R)
• M17: 19,673,018 km (0.108 R)
• M18: 21,764,994 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829

Radius: 3.2

Gravity: 80.96 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.94 AU - 7.68 AU

Year: 11851 Days

Day: 15.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,015,268 km

• M1: 39,793 km (0.075 R)
• M2: 193,280 km (0.105 R)
• M3: 351,405 km (0.116 R)
• M4: 880,383 km (0.051 R)
• M5: 1,433,896 km (0.113 R)
• M6: 2,208,214 km (0.097 R)
• M7: 2,640,702 km (0.112 R)
• M8: 3,226,228 km (0.084 R)
• M9: 3,893,733 km (0.112 R)
• M10: 4,244,690 km (0.057 R)
• M11: 4,616,441 km (0.117 R)
• M12: 5,077,053 km (0.105 R)
• M13: 5,460,023 km (0.073 R)
• M14: 6,642,295 km (0.084 R)
• M15: 7,358,121 km (0.04 R)
• M16: 7,489,617 km (0.108 R)
• M17: 7,667,340 km (0.083 R)
• M18: 8,077,387 km (0.083 R)
• M19: 8,991,131 km (0.104 R)
• M20: 11,020,875 km (0.069 R)
• M21: 11,425,388 km (0.092 R)
• M22: 12,141,812 km (0.057 R)
• M23: 15,095,173 km (0.08 R)
• M24: 17,155,585 km (0.067 R)
• M25: 19,312,636 km (0.098 R)
• M26: 19,900,107 km (0.106 R)
• M27: 23,203,827 km (0.047 R)
• M28: 24,155,718 km (0.075 R)
• M29: 27,166,824 km (0.09 R)
• M30: 33,080,876 km (0.113 R)
• M31: 37,682,208 km (0.098 R)
• M32: 42,551,020 km (0.038 R)
• M33: 47,216,529 km (0.064 R)
• M34: 48,895,765 km (0.119 R)
• M35: 51,889,368 km (0.032 R)
• M36: 52,211,452 km (0.093 R)
• M37: 56,011,388 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.6

Radius: 5.5

Gravity: 16.22 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 8.39 AU - 8.63 AU

Year: 16555 Days

Day: 16.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,015,268 km

• M1: 105,167 km (0.093 R)
• M2: 406,457 km (0.071 R)
• M3: 672,592 km (0.12 R)
• M4: 907,461 km (0.114 R)
• M5: 1,235,230 km (0.102 R)
• M6: 1,703,172 km (0.093 R)
• M7: 2,705,328 km (0.047 R)
• M8: 3,904,953 km (0.118 R)
• M9: 4,322,032 km (0.066 R)
• M10: 6,213,099 km (0.076 R)
• M11: 6,412,214 km (0.116 R)
• M12: 7,077,924 km (0.102 R)
• M13: 7,652,081 km (0.086 R)
• M14: 8,209,034 km (0.057 R)
• M15: 13,146,810 km (0.03 R)
• M16: 13,475,477 km (0.116 R)
• M17: 16,379,770 km (0.053 R)
• M18: 27,011,840 km (0.082 R)
• M19: 31,691,262 km (0.102 R)
• M20: 33,485,239 km (0.116 R)
• M21: 40,781,427 km (0.111 R)
• M22: 45,391,734 km (0.108 R)
• M23: 46,900,728 km (0.095 R)
• M24: 48,131,769 km (0.031 R)
• M25: 49,384,052 km (0.039 R)
• M26: 50,818,845 km (0.091 R)
• M27: 52,939,994 km (0.117 R)
• M28: 57,532,648 km (0.066 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 19,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit