🌌 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: 725.2

Radius: 14.8

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.48 AU - 0.76 AU

Year: 331 Days

Day: 10.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,050,108 km

• M1: 184,005 km (0.098 R)
• M2: 720,763 km (0.036 R)
• M3: 1,523,056 km (0.099 R)
• M4: 2,158,697 km (0.104 R)
• M5: 2,899,356 km (0.087 R)
• M6: 3,402,155 km (0.084 R)
• M7: 3,865,609 km (0.11 R)
• M8: 4,398,028 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.5

Radius: 10.3

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.52 AU - 0.86 AU

Year: 389 Days

Day: 9.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,050,108 km

• M1: 128,056 km (0.097 R)
• M2: 519,254 km (0.096 R)
• M3: 872,754 km (0.096 R)
• M4: 1,276,369 km (0.117 R)
• M5: 1,704,817 km (0.094 R)
• M6: 2,194,900 km (0.102 R)
• M7: 2,538,227 km (0.065 R)
• M8: 2,887,089 km (0.068 R)
• M9: 3,575,838 km (0.083 R)
• M10: 4,003,837 km (0.045 R)
• M11: 4,506,935 km (0.111 R)
• M12: 4,904,417 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.3

Radius: 8.4

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.73 AU - 0.87 AU

Year: 485 Days

Day: 10 Hours

Environment

Temp: -155 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,050,108 km

• M1: 104,419 km (0.053 R)
• M2: 381,175 km (0.067 R)
• M3: 651,798 km (0.055 R)
• M4: 1,038,508 km (0.116 R)
• M5: 1,567,636 km (0.12 R)
• M6: 1,856,809 km (0.068 R)
• M7: 2,139,998 km (0.084 R)
• M8: 2,516,386 km (0.052 R)
• M9: 2,784,764 km (0.075 R)
• M10: 3,104,455 km (0.105 R)
• M11: 3,541,580 km (0.113 R)
• M12: 3,855,287 km (0.077 R)
• M13: 4,807,926 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.1

Radius: 14.5

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.11 AU - 1.63 AU

Year: 1088 Days

Day: 12.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,050,108 km

• M1: 180,265 km (0.095 R)
• M2: 698,323 km (0.071 R)
• M3: 1,489,995 km (0.111 R)
• M4: 2,148,375 km (0.095 R)
• M5: 2,609,884 km (0.095 R)
• M6: 3,988,429 km (0.044 R)
• M7: 4,631,849 km (0.045 R)
• M8: 6,109,128 km (0.092 R)
• M9: 6,598,612 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.9

Radius: 11.1

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.19 AU - 1.77 AU

Year: 1221 Days

Day: 10.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,050,108 km

• M1: 138,079 km (0.059 R)
• M2: 549,323 km (0.085 R)
• M3: 1,004,998 km (0.078 R)
• M4: 1,591,721 km (0.111 R)
• M5: 2,011,044 km (0.113 R)
• M6: 2,376,063 km (0.06 R)
• M7: 2,785,662 km (0.049 R)
• M8: 3,177,908 km (0.099 R)
• M9: 4,014,309 km (0.084 R)
• M10: 4,733,426 km (0.032 R)
• M11: 5,960,877 km (0.104 R)
• M12: 6,617,163 km (0.11 R)
• M13: 7,458,501 km (0.08 R)
• M14: 8,122,865 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.2

Radius: 13.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.33 AU - 1.97 AU

Year: 1438 Days

Day: 6.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,050,108 km

• M1: 171,589 km (0.09 R)
• M2: 646,562 km (0.059 R)
• M3: 1,217,876 km (0.12 R)
• M4: 2,060,112 km (0.046 R)
• M5: 2,651,473 km (0.116 R)
• M6: 3,117,171 km (0.104 R)
• M7: 3,751,915 km (0.088 R)
• M8: 4,198,165 km (0.037 R)
• M9: 5,366,524 km (0.088 R)
• M10: 6,095,964 km (0.059 R)
• M11: 6,691,962 km (0.111 R)
• M12: 7,379,065 km (0.094 R)
• M13: 8,425,651 km (0.091 R)
• M14: 8,984,848 km (0.109 R)
• M15: 10,475,591 km (0.107 R)
• M16: 11,053,487 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.8

Radius: 12.9

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.64 AU - 2.06 AU

Year: 1707 Days

Day: 5.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,050,108 km

• M1: 175,030 km (0.098 R)
• M2: 590,463 km (0.115 R)
• M3: 1,179,878 km (0.119 R)
• M4: 1,724,863 km (0.094 R)
• M5: 2,127,880 km (0.12 R)
• M6: 3,207,977 km (0.112 R)
• M7: 5,064,337 km (0.064 R)
• M8: 5,882,637 km (0.079 R)
• M9: 7,218,097 km (0.066 R)
• M10: 8,135,132 km (0.112 R)
• M11: 14,755,287 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.1

Radius: 8.4

Gravity: 12.87 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2 AU - 2.44 AU

Year: 2243 Days

Day: 12.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,050,108 km

• M1: 105,018 km (0.047 R)
• M2: 403,017 km (0.079 R)
• M3: 793,018 km (0.036 R)
• M4: 1,083,986 km (0.058 R)
• M5: 1,599,351 km (0.031 R)
• M6: 2,216,292 km (0.11 R)
• M7: 2,478,388 km (0.084 R)
• M8: 2,776,536 km (0.109 R)
• M9: 3,339,174 km (0.052 R)
• M10: 4,075,944 km (0.114 R)
• M11: 4,870,907 km (0.072 R)
• M12: 6,184,675 km (0.106 R)
• M13: 6,938,050 km (0.099 R)
• M14: 8,294,903 km (0.036 R)
• M15: 10,380,895 km (0.108 R)
• M16: 10,844,499 km (0.08 R)
• M17: 12,970,135 km (0.094 R)
• M18: 13,828,528 km (0.074 R)
• M19: 15,910,482 km (0.116 R)
• M20: 17,159,175 km (0.041 R)
• M21: 17,862,135 km (0.088 R)
• M22: 18,304,197 km (0.104 R)
• M23: 18,584,244 km (0.073 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.8

Radius: 12.9

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.46 AU - 4.54 AU

Year: 5426 Days

Day: 14.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 56.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,050,108 km

• M1: 160,519 km (0.096 R)
• M2: 591,360 km (0.05 R)
• M3: 1,336,507 km (0.114 R)
• M4: 1,807,142 km (0.102 R)
• M5: 2,652,071 km (0.085 R)
• M6: 3,259,588 km (0.055 R)
• M7: 3,676,667 km (0.117 R)
• M8: 4,837,696 km (0.083 R)
• M9: 5,353,809 km (0.071 R)
• M10: 5,780,462 km (0.039 R)
• M11: 7,531,355 km (0.072 R)
• M12: 9,091,811 km (0.104 R)
• M13: 9,568,729 km (0.061 R)
• M14: 10,478,583 km (0.116 R)
• M15: 11,345,951 km (0.096 R)
• M16: 12,951,585 km (0.077 R)
• M17: 16,801,935 km (0.099 R)
• M18: 17,588,072 km (0.086 R)
• M19: 18,057,809 km (0.116 R)
• M20: 18,467,109 km (0.072 R)
• M21: 20,239,844 km (0.115 R)
• M22: 32,412,024 km (0.088 R)
• M23: 34,043,090 km (0.064 R)
• M24: 35,195,592 km (0.059 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 17,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit