🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.8

Radius: 8.8

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.03 AU - 1.33 AU

Year: 885 Days

Day: 10.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,766,771 km

• M1: 109,506 km (0.109 R)
• M2: 390,600 km (0.056 R)
• M3: 766,839 km (0.105 R)
• M4: 1,075,758 km (0.065 R)
• M5: 1,362,089 km (0.064 R)
• M6: 1,691,952 km (0.084 R)
• M7: 2,945,582 km (0.051 R)
• M8: 3,410,383 km (0.115 R)
• M9: 3,723,491 km (0.066 R)
• M10: 4,252,319 km (0.095 R)
• M11: 4,697,523 km (0.087 R)
• M12: 6,282,063 km (0.025 R)
• M13: 6,817,923 km (0.091 R)
• M14: 7,473,760 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.5

Radius: 9.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.3 AU - 1.94 AU

Year: 1423 Days

Day: 10 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,766,771 km

• M1: 121,922 km (0.1 R)
• M2: 500,554 km (0.118 R)
• M3: 1,007,841 km (0.088 R)
• M4: 2,920,450 km (0.114 R)
• M5: 3,408,587 km (0.032 R)
• M6: 4,170,190 km (0.094 R)
• M7: 4,932,691 km (0.081 R)
• M8: 6,111,223 km (0.103 R)
• M9: 7,732,714 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.8

Radius: 10.3

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.46 AU - 3.66 AU

Year: 4636 Days

Day: 8.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,766,771 km

• M1: 128,056 km (0.059 R)
• M2: 993,479 km (0.093 R)
• M3: 1,329,327 km (0.109 R)
• M4: 2,566,950 km (0.09 R)
• M5: 3,399,163 km (0.061 R)
• M6: 4,733,127 km (0.114 R)
• M7: 5,331,967 km (0.081 R)
• M8: 6,197,541 km (0.119 R)
• M9: 7,980,747 km (0.107 R)
• M10: 9,952,597 km (0.076 R)
• M11: 11,214,904 km (0.113 R)
• M12: 12,580,882 km (0.075 R)
• M13: 14,385,182 km (0.088 R)
• M14: 17,722,860 km (0.035 R)
• M15: 19,097,515 km (0.043 R)
• M16: 21,110,952 km (0.08 R)
• M17: 21,617,491 km (0.111 R)
• M18: 22,280,508 km (0.11 R)
• M19: 26,130,858 km (0.108 R)
• M20: 27,137,203 km (0.038 R)
• M21: 27,564,156 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965

Radius: 8.2

Gravity: 14.35 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.02 AU - 4.18 AU

Year: 4715 Days

Day: 13.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,766,771 km

• M1: 109,655 km (0.112 R)
• M2: 369,357 km (0.112 R)
• M3: 1,505,104 km (0.116 R)
• M4: 2,387,732 km (0.108 R)
• M5: 2,646,087 km (0.115 R)
• M6: 3,178,656 km (0.104 R)
• M7: 4,109,603 km (0.113 R)
• M8: 4,770,526 km (0.039 R)
• M9: 6,079,657 km (0.12 R)
• M10: 7,948,135 km (0.107 R)
• M11: 11,184,086 km (0.116 R)
• M12: 11,863,410 km (0.111 R)
• M13: 16,100,321 km (0.11 R)
• M14: 16,903,213 km (0.088 R)
• M15: 21,914,442 km (0.12 R)
• M16: 22,290,083 km (0.098 R)
• M17: 24,877,976 km (0.062 R)
• M18: 26,881,391 km (0.095 R)
• M19: 27,139,148 km (0.026 R)
• M20: 31,873,622 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.1

Radius: 8.5

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.55 AU - 3.97 AU

Year: 5033 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,766,771 km

• M1: 105,766 km (0.099 R)
• M2: 400,174 km (0.112 R)
• M3: 668,254 km (0.084 R)
• M4: 1,037,461 km (0.065 R)
• M5: 1,450,202 km (0.057 R)
• M6: 3,730,522 km (0.117 R)
• M7: 4,435,427 km (0.118 R)
• M8: 4,781,597 km (0.049 R)
• M9: 5,066,281 km (0.098 R)
• M10: 6,168,070 km (0.098 R)
• M11: 7,151,975 km (0.06 R)
• M12: 8,127,353 km (0.101 R)
• M13: 8,647,056 km (0.119 R)
• M14: 11,446,780 km (0.097 R)
• M15: 15,128,833 km (0.064 R)
• M16: 18,063,045 km (0.106 R)
• M17: 18,948,066 km (0.105 R)
• M18: 20,195,114 km (0.115 R)
• M19: 21,636,041 km (0.075 R)
• M20: 21,918,182 km (0.087 R)
• M21: 22,274,225 km (0.055 R)
• M22: 24,798,390 km (0.069 R)
• M23: 27,260,622 km (0.109 R)
• M24: 27,755,342 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.6

Radius: 6.6

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.85 AU - 6.73 AU

Year: 9617 Days

Day: 19.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,766,771 km

• M1: 83,476 km (0.102 R)
• M2: 520,451 km (0.086 R)
• M3: 859,739 km (0.064 R)
• M4: 1,260,362 km (0.094 R)
• M5: 1,970,802 km (0.114 R)
• M6: 3,043,419 km (0.112 R)
• M7: 4,677,776 km (0.107 R)
• M8: 4,959,768 km (0.086 R)
• M9: 7,449,076 km (0.107 R)
• M10: 7,678,560 km (0.059 R)
• M11: 8,727,689 km (0.025 R)
• M12: 10,007,200 km (0.108 R)
• M13: 13,208,744 km (0.103 R)
• M14: 16,641,267 km (0.102 R)
• M15: 29,451,034 km (0.084 R)
• M16: 35,430,012 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.6

Radius: 4.3

Gravity: 28.05 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.6 AU - 7.82 AU

Year: 13363 Days

Day: 21.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,766,771 km

• M1: 61,784 km (0.04 R)
• M2: 195,674 km (0.074 R)
• M3: 594,502 km (0.108 R)
• M4: 1,331,571 km (0.051 R)
• M5: 2,061,907 km (0.083 R)
• M6: 3,442,097 km (0.038 R)
• M7: 5,173,693 km (0.112 R)
• M8: 6,872,526 km (0.089 R)
• M9: 8,390,945 km (0.052 R)
• M10: 9,452,042 km (0.106 R)
• M11: 10,172,057 km (0.103 R)
• M12: 15,765,372 km (0.116 R)
• M13: 17,523,147 km (0.098 R)
• M14: 22,124,029 km (0.109 R)
• M15: 23,758,236 km (0.047 R)
• M16: 25,276,954 km (0.064 R)
• M17: 26,457,580 km (0.085 R)
• M18: 28,822,274 km (0.028 R)
• M19: 38,140,426 km (0.094 R)
• M20: 42,095,644 km (0.079 R)
• M21: 46,315,650 km (0.043 R)
• M22: 47,045,239 km (0.076 R)
• M23: 48,527,604 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.9

Radius: 4.8

Gravity: 18.83 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.76 AU - 10.94 AU

Year: 19735 Days

Day: 16.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,766,771 km

• M1: 59,690 km (0.099 R)
• M2: 211,980 km (0.107 R)
• M3: 406,457 km (0.054 R)
• M4: 650,452 km (0.09 R)
• M5: 988,244 km (0.099 R)
• M6: 1,210,097 km (0.085 R)
• M7: 3,695,067 km (0.109 R)
• M8: 4,684,508 km (0.108 R)
• M9: 5,496,824 km (0.101 R)
• M10: 5,647,170 km (0.105 R)
• M11: 5,916,895 km (0.09 R)
• M12: 6,195,147 km (0.064 R)
• M13: 6,523,814 km (0.107 R)
• M14: 7,215,853 km (0.112 R)
• M15: 7,766,074 km (0.06 R)
• M16: 8,196,767 km (0.105 R)
• M17: 14,388,772 km (0.106 R)
• M18: 15,184,633 km (0.117 R)
• M19: 25,752,675 km (0.114 R)
• M20: 26,815,718 km (0.111 R)
• M21: 29,715,822 km (0.086 R)
• M22: 36,261,776 km (0.089 R)
• M23: 38,411,796 km (0.059 R)
• M24: 38,824,238 km (0.091 R)
• M25: 39,239,521 km (0.05 R)
• M26: 41,794,055 km (0.067 R)
• M27: 50,775,612 km (0.07 R)
• M28: 53,633,081 km (0.094 R)
• M29: 56,595,717 km (0.112 R)
• M30: 59,665,764 km (0.105 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 20,147 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit