🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.4

Radius: 8.9

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.76 AU - 0.78 AU

Year: 475 Days

Day: 6.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,463,014 km

• M1: 110,702 km (0.045 R)
• M2: 409,150 km (0.105 R)
• M3: 707,748 km (0.104 R)
• M4: 1,036,564 km (0.038 R)
• M5: 1,441,974 km (0.092 R)
• M6: 1,871,619 km (0.108 R)
• M7: 2,186,522 km (0.104 R)
• M8: 2,860,910 km (0.118 R)
• M9: 3,144,547 km (0.05 R)
• M10: 3,743,238 km (0.115 R)
• M11: 4,289,270 km (0.099 R)
• M12: 4,887,512 km (0.106 R)
• M13: 5,167,260 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.7

Radius: 8.5

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.72 AU - 0.94 AU

Year: 532 Days

Day: 13.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,463,014 km

• M1: 105,766 km (0.107 R)
• M2: 521,199 km (0.096 R)
• M3: 955,033 km (0.087 R)
• M4: 1,597,256 km (0.105 R)
• M5: 1,936,245 km (0.052 R)
• M6: 2,453,555 km (0.116 R)
• M7: 2,961,589 km (0.09 R)
• M8: 3,513,605 km (0.093 R)
• M9: 4,312,308 km (0.084 R)
• M10: 4,822,437 km (0.062 R)
• M11: 5,520,161 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.3

Radius: 14.9

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.73 AU - 0.93 AU

Year: 532 Days

Day: 9.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,463,014 km

• M1: 185,352 km (0.088 R)
• M2: 688,300 km (0.087 R)
• M3: 1,325,587 km (0.047 R)
• M4: 2,090,929 km (0.105 R)
• M5: 2,668,676 km (0.106 R)
• M6: 3,666,045 km (0.108 R)
• M7: 4,152,388 km (0.081 R)
• M8: 5,011,678 km (0.063 R)
• M9: 6,114,813 km (0.101 R)
• M10: 6,783,665 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.1

Radius: 12.7

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.42 AU - 1.82 AU

Year: 1449 Days

Day: 13 Hours

Environment

Temp: -189 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,463,014 km

• M1: 157,975 km (0.114 R)
• M2: 904,768 km (0.106 R)
• M3: 1,574,518 km (0.075 R)
• M4: 2,231,252 km (0.064 R)
• M5: 2,678,699 km (0.09 R)
• M6: 3,248,368 km (0.113 R)
• M7: 3,792,605 km (0.105 R)
• M8: 4,377,982 km (0.099 R)
• M9: 5,150,804 km (0.029 R)
• M10: 5,547,687 km (0.079 R)
• M11: 6,084,744 km (0.077 R)
• M12: 6,968,718 km (0.091 R)
• M13: 7,566,810 km (0.099 R)
• M14: 8,228,631 km (0.098 R)
• M15: 10,871,427 km (0.101 R)
• M16: 11,602,512 km (0.103 R)
• M17: 12,172,180 km (0.079 R)
• M18: 13,326,328 km (0.088 R)
• M19: 14,378,749 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926

Radius: 9.6

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.82 AU - 3.44 AU

Year: 3892 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,463,014 km

• M1: 120,426 km (0.05 R)
• M2: 431,440 km (0.099 R)
• M3: 1,196,185 km (0.107 R)
• M4: 1,737,579 km (0.114 R)
• M5: 2,044,405 km (0.065 R)
• M6: 2,717,595 km (0.085 R)
• M7: 3,250,463 km (0.043 R)
• M8: 3,573,444 km (0.077 R)
• M9: 3,917,819 km (0.119 R)
• M10: 5,810,082 km (0.111 R)
• M11: 6,288,197 km (0.062 R)
• M12: 6,824,804 km (0.078 R)
• M13: 7,391,631 km (0.099 R)
• M14: 7,881,713 km (0.11 R)
• M15: 8,430,738 km (0.076 R)
• M16: 8,965,999 km (0.115 R)
• M17: 9,362,134 km (0.088 R)
• M18: 11,109,587 km (0.096 R)
• M19: 11,894,228 km (0.109 R)
• M20: 12,372,791 km (0.087 R)
• M21: 13,114,797 km (0.084 R)
• M22: 13,991,141 km (0.108 R)
• M23: 18,077,556 km (0.05 R)
• M24: 19,953,813 km (0.071 R)
• M25: 21,602,082 km (0.117 R)
• M26: 22,315,066 km (0.093 R)
• M27: 24,547,814 km (0.08 R)
• M28: 26,277,165 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.6

Radius: 8.4

Gravity: 11.73 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.03 AU - 5.31 AU

Year: 7094 Days

Day: 6.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,463,014 km

• M1: 104,419 km (0.118 R)
• M2: 760,406 km (0.053 R)
• M3: 1,444,068 km (0.065 R)
• M4: 1,710,502 km (0.087 R)
• M5: 2,106,488 km (0.103 R)
• M6: 2,433,808 km (0.108 R)
• M7: 2,795,087 km (0.098 R)
• M8: 4,417,775 km (0.092 R)
• M9: 5,228,296 km (0.108 R)
• M10: 5,572,521 km (0.112 R)
• M11: 5,931,855 km (0.055 R)
• M12: 6,376,460 km (0.109 R)
• M13: 7,293,794 km (0.082 R)
• M14: 7,925,546 km (0.079 R)
• M15: 8,422,809 km (0.092 R)
• M16: 9,479,718 km (0.098 R)
• M17: 10,474,993 km (0.095 R)
• M18: 12,450,432 km (0.113 R)
• M19: 13,352,059 km (0.069 R)
• M20: 13,642,578 km (0.084 R)
• M21: 19,771,902 km (0.116 R)
• M22: 22,273,178 km (0.115 R)
• M23: 22,682,179 km (0.08 R)
• M24: 23,431,066 km (0.088 R)
• M25: 24,802,878 km (0.027 R)
• M26: 26,136,842 km (0.093 R)
• M27: 28,274,147 km (0.054 R)
• M28: 30,726,655 km (0.074 R)
• M29: 39,166,219 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.1

Radius: 7.5

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.84 AU - 7.28 AU

Year: 11810 Days

Day: 16.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,463,014 km

• M1: 93,349 km (0.107 R)
• M2: 360,680 km (0.036 R)
• M3: 677,678 km (0.098 R)
• M4: 917,035 km (0.11 R)
• M5: 1,298,210 km (0.073 R)
• M6: 1,940,434 km (0.061 R)
• M7: 2,342,403 km (0.114 R)
• M8: 2,736,295 km (0.087 R)
• M9: 3,219,645 km (0.067 R)
• M10: 4,299,592 km (0.077 R)
• M11: 4,559,444 km (0.117 R)
• M12: 6,456,943 km (0.103 R)
• M13: 6,993,401 km (0.047 R)
• M14: 8,111,346 km (0.042 R)
• M15: 13,662,474 km (0.054 R)
• M16: 15,533,794 km (0.106 R)
• M17: 18,689,860 km (0.113 R)
• M18: 19,073,429 km (0.083 R)
• M19: 27,203,475 km (0.1 R)
• M20: 30,993,088 km (0.118 R)
• M21: 31,530,743 km (0.11 R)
• M22: 32,514,349 km (0.085 R)
• M23: 33,857,140 km (0.064 R)
• M24: 35,004,256 km (0.069 R)
• M25: 35,470,254 km (0.046 R)
• M26: 38,107,514 km (0.066 R)
• M27: 40,615,822 km (0.043 R)
• M28: 41,649,394 km (0.088 R)
• M29: 42,832,862 km (0.104 R)
• M30: 46,237,710 km (0.095 R)
• M31: 47,222,513 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.9

Radius: 7.8

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.78 AU - 7.12 AU

Year: 12879 Days

Day: 18 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,463,014 km

• M1: 381,026 km (0.068 R)
• M2: 726,447 km (0.073 R)
• M3: 1,815,071 km (0.086 R)
• M4: 2,647,882 km (0.081 R)
• M5: 2,906,836 km (0.088 R)
• M6: 3,429,681 km (0.098 R)
• M7: 4,143,263 km (0.107 R)
• M8: 6,588,141 km (0.108 R)
• M9: 10,002,413 km (0.086 R)
• M10: 10,388,226 km (0.036 R)
• M11: 16,818,840 km (0.107 R)
• M12: 20,658,568 km (0.104 R)
• M13: 21,443,359 km (0.056 R)
• M14: 28,740,294 km (0.098 R)
• M15: 29,324,175 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.5

Radius: 3.5

Gravity: 24.94 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.7 AU - 8.2 AU

Year: 12879 Days

Day: 16.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,463,014 km

• M1: 43,533 km (0.111 R)
• M2: 220,956 km (0.056 R)
• M3: 456,124 km (0.109 R)
• M4: 2,184,279 km (0.106 R)
• M5: 3,274,997 km (0.1 R)
• M6: 3,783,181 km (0.096 R)
• M7: 4,016,254 km (0.051 R)
• M8: 4,539,847 km (0.105 R)
• M9: 6,097,759 km (0.102 R)
• M10: 6,977,095 km (0.106 R)
• M11: 12,779,249 km (0.11 R)
• M12: 14,644,734 km (0.084 R)
• M13: 16,140,563 km (0.09 R)
• M14: 18,240,768 km (0.065 R)
• M15: 24,895,629 km (0.079 R)
• M16: 29,556,201 km (0.109 R)
• M17: 29,859,137 km (0.073 R)
• M18: 31,614,518 km (0.084 R)
• M19: 33,656,529 km (0.086 R)
• M20: 33,766,334 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.5

Radius: 6.8

Gravity: 14.87 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.99 AU - 8.07 AU

Year: 13102 Days

Day: 21.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,463,014 km

• M1: 99,632 km (0.079 R)
• M2: 436,227 km (0.083 R)
• M3: 712,385 km (0.087 R)
• M4: 949,198 km (0.119 R)
• M5: 1,277,865 km (0.062 R)
• M6: 1,680,732 km (0.088 R)
• M7: 2,587,146 km (0.054 R)
• M8: 3,134,674 km (0.117 R)
• M9: 3,410,233 km (0.101 R)
• M10: 5,853,615 km (0.088 R)
• M11: 6,351,178 km (0.06 R)
• M12: 7,171,124 km (0.115 R)
• M13: 9,069,521 km (0.107 R)
• M14: 10,935,904 km (0.057 R)
• M15: 11,221,935 km (0.11 R)
• M16: 12,727,787 km (0.118 R)
• M17: 14,985,368 km (0.096 R)
• M18: 16,731,026 km (0.079 R)
• M19: 17,187,748 km (0.086 R)
• M20: 18,852,024 km (0.097 R)
• M21: 20,019,486 km (0.077 R)
• M22: 22,222,764 km (0.097 R)
• M23: 22,497,575 km (0.075 R)
• M24: 22,960,730 km (0.103 R)
• M25: 27,629,081 km (0.065 R)
• M26: 31,031,834 km (0.04 R)
• M27: 36,707,877 km (0.091 R)
• M28: 37,092,044 km (0.094 R)
• M29: 40,126,936 km (0.043 R)
• M30: 40,534,590 km (0.063 R)
• M31: 41,913,434 km (0.06 R)
• M32: 42,614,449 km (0.108 R)
• M33: 46,088,561 km (0.099 R)
• M34: 48,814,832 km (0.101 R)
• M35: 51,167,259 km (0.097 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 12,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit