🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.1

Radius: 9.5

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.66 AU - 0.7 AU

Year: 380 Days

Day: 9.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,649,021 km

• M1: 118,182 km (0.08 R)
• M2: 436,227 km (0.076 R)
• M3: 740,210 km (0.081 R)
• M4: 1,137,542 km (0.11 R)
• M5: 1,545,795 km (0.062 R)
• M6: 1,907,373 km (0.078 R)
• M7: 2,813,786 km (0.084 R)
• M8: 3,558,634 km (0.085 R)
• M9: 4,208,936 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441

Radius: 14.8

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.71 AU - 0.77 AU

Year: 432 Days

Day: 6 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,649,021 km

• M1: 184,305 km (0.065 R)
• M2: 772,374 km (0.097 R)
• M3: 1,640,939 km (0.09 R)
• M4: 2,149,572 km (0.088 R)
• M5: 2,881,255 km (0.091 R)
• M6: 3,871,742 km (0.105 R)
• M7: 4,487,338 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887

Radius: 8

Gravity: 13.86 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.01 AU - 1.17 AU

Year: 772 Days

Day: 11.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,649,021 km

• M1: 99,483 km (0.118 R)
• M2: 378,632 km (0.116 R)
• M3: 703,708 km (0.069 R)
• M4: 1,029,682 km (0.12 R)
• M5: 1,328,130 km (0.034 R)
• M6: 1,675,795 km (0.044 R)
• M7: 2,268,801 km (0.088 R)
• M8: 2,818,274 km (0.12 R)
• M9: 3,204,985 km (0.117 R)
• M10: 3,524,975 km (0.084 R)
• M11: 4,037,347 km (0.107 R)
• M12: 4,377,982 km (0.09 R)
• M13: 4,720,112 km (0.1 R)
• M14: 4,970,090 km (0.089 R)
• M15: 5,875,157 km (0.075 R)
• M16: 6,573,480 km (0.091 R)
• M17: 6,840,662 km (0.056 R)
• M18: 7,540,780 km (0.106 R)
• M19: 8,547,274 km (0.108 R)
• M20: 9,055,608 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.4

Radius: 8.2

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.82 AU - 2.12 AU

Year: 1875 Days

Day: 10.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,649,021 km

• M1: 102,026 km (0.08 R)
• M2: 526,285 km (0.093 R)
• M3: 1,257,968 km (0.041 R)
• M4: 1,644,529 km (0.061 R)
• M5: 2,328,042 km (0.058 R)
• M6: 2,989,265 km (0.105 R)
• M7: 3,752,513 km (0.084 R)
• M8: 4,021,640 km (0.087 R)
• M9: 5,099,941 km (0.117 R)
• M10: 5,682,924 km (0.079 R)
• M11: 6,014,882 km (0.069 R)
• M12: 6,435,252 km (0.075 R)
• M13: 7,728,974 km (0.101 R)
• M14: 8,559,242 km (0.09 R)
• M15: 11,745,228 km (0.086 R)
• M16: 13,664,419 km (0.059 R)
• M17: 14,132,062 km (0.109 R)
• M18: 14,875,713 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.9

Radius: 13.2

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.84 AU - 5.24 AU

Year: 6561 Days

Day: 8.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,649,021 km

• M1: 164,558 km (0.093 R)
• M2: 583,731 km (0.115 R)
• M3: 1,469,350 km (0.108 R)
• M4: 1,975,739 km (0.114 R)
• M5: 3,482,489 km (0.103 R)
• M6: 4,792,517 km (0.104 R)
• M7: 6,149,819 km (0.07 R)
• M8: 7,072,987 km (0.116 R)
• M9: 8,363,269 km (0.096 R)
• M10: 9,046,183 km (0.108 R)
• M11: 11,755,550 km (0.092 R)
• M12: 14,966,220 km (0.042 R)
• M13: 18,600,700 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.8

Radius: 6

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.36 AU - 7.62 AU

Year: 13903 Days

Day: 15.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,649,021 km

• M1: 74,649 km (0.12 R)
• M2: 308,321 km (0.073 R)
• M3: 660,026 km (0.089 R)
• M4: 863,479 km (0.094 R)
• M5: 1,307,485 km (0.099 R)
• M6: 1,619,098 km (0.106 R)
• M7: 2,332,081 km (0.084 R)
• M8: 2,554,982 km (0.04 R)
• M9: 2,950,519 km (0.036 R)
• M10: 3,593,042 km (0.03 R)
• M11: 4,415,082 km (0.098 R)
• M12: 4,725,647 km (0.08 R)
• M13: 5,460,621 km (0.115 R)
• M14: 8,973,778 km (0.116 R)
• M15: 10,095,612 km (0.097 R)
• M16: 10,745,465 km (0.098 R)
• M17: 11,889,889 km (0.07 R)
• M18: 13,240,010 km (0.119 R)
• M19: 13,625,374 km (0.113 R)
• M20: 21,548,676 km (0.118 R)
• M21: 22,081,693 km (0.115 R)
• M22: 23,359,857 km (0.069 R)
• M23: 23,922,495 km (0.047 R)
• M24: 29,507,282 km (0.06 R)
• M25: 34,074,655 km (0.105 R)
• M26: 35,902,292 km (0.094 R)
• M27: 36,275,539 km (0.111 R)
• M28: 37,922,611 km (0.086 R)
• M29: 42,743,104 km (0.115 R)
• M30: 48,560,666 km (0.063 R)
• M31: 49,784,227 km (0.044 R)
• M32: 54,228,630 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.3

Radius: 6.7

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.42 AU - 8.9 AU

Year: 17285 Days

Day: 15.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,649,021 km

• M1: 84,224 km (0.071 R)
• M2: 348,114 km (0.12 R)
• M3: 675,285 km (0.088 R)
• M4: 1,037,012 km (0.118 R)
• M5: 1,257,221 km (0.05 R)
• M6: 2,769,206 km (0.037 R)
• M7: 8,919,923 km (0.1 R)
• M8: 9,953,046 km (0.035 R)
• M9: 10,347,834 km (0.103 R)
• M10: 10,599,757 km (0.116 R)
• M11: 12,708,190 km (0.12 R)
• M12: 16,679,564 km (0.029 R)
• M13: 18,535,176 km (0.092 R)
• M14: 18,757,778 km (0.056 R)
• M15: 22,566,839 km (0.034 R)
• M16: 24,207,179 km (0.043 R)
• M17: 34,389,559 km (0.103 R)
• M18: 34,726,004 km (0.081 R)
• M19: 36,440,695 km (0.104 R)
• M20: 39,178,186 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.2

Radius: 3.6

Gravity: 19.92 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.97 AU - 11.01 AU

Year: 19829 Days

Day: 22.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,649,021 km

• M1: 44,730 km (0.099 R)
• M2: 170,392 km (0.113 R)
• M3: 431,291 km (0.104 R)
• M4: 634,145 km (0.099 R)
• M5: 780,901 km (0.086 R)
• M6: 950,246 km (0.089 R)
• M7: 1,548,787 km (0.045 R)
• M8: 2,229,008 km (0.112 R)
• M9: 2,721,933 km (0.026 R)
• M10: 2,924,339 km (0.099 R)
• M11: 3,384,502 km (0.101 R)
• M12: 3,753,411 km (0.09 R)
• M13: 4,791,919 km (0.089 R)
• M14: 7,766,972 km (0.115 R)
• M15: 8,690,888 km (0.12 R)
• M16: 9,531,778 km (0.113 R)
• M17: 10,920,645 km (0.028 R)
• M18: 11,780,384 km (0.105 R)
• M19: 13,504,349 km (0.079 R)
• M20: 15,179,247 km (0.118 R)
• M21: 16,321,128 km (0.064 R)
• M22: 18,060,801 km (0.105 R)
• M23: 18,454,842 km (0.112 R)
• M24: 22,351,567 km (0.098 R)
• M25: 26,358,098 km (0.057 R)
• M26: 32,990,370 km (0.115 R)
• M27: 34,534,369 km (0.079 R)
• M28: 35,878,057 km (0.103 R)
• M29: 37,383,012 km (0.074 R)
• M30: 38,799,105 km (0.086 R)
• M31: 42,981,712 km (0.087 R)
• M32: 44,678,302 km (0.098 R)
• M33: 44,965,380 km (0.109 R)
• M34: 46,566,077 km (0.03 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 19,317 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit