🌌 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 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.53 AU - 0.81 AU

Year: 354 Days

Day: 31 Hours

Environment

Temp: -128 °C

Axial Tilt: 43.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 7,575,883 km

• M1: 205,847 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.5

Radius: 8.4

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.53 AU - 0.87 AU

Year: 378 Days

Day: 11.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 7,575,883 km

• M1: 109,805 km (0.108 R)
• M2: 169,345 km (0.038 R)
• M3: 231,578 km (0.113 R)
• M4: 319,990 km (0.091 R)
• M5: 428,897 km (0.093 R)
• M6: 496,964 km (0.094 R)
• M7: 616,044 km (0.094 R)
• M8: 760,855 km (0.119 R)
• M9: 850,165 km (0.094 R)
• M10: 904,618 km (0.059 R)
• M11: 1,112,111 km (0.107 R)
• M12: 1,209,798 km (0.098 R)
• M13: 1,409,062 km (0.105 R)
• M14: 1,479,523 km (0.06 R)
• M15: 1,535,772 km (0.04 R)
• M16: 1,640,041 km (0.113 R)
• M17: 1,719,777 km (0.08 R)
• M18: 1,800,710 km (0.083 R)
• M19: 2,057,420 km (0.082 R)
• M20: 2,207,765 km (0.104 R)
• M21: 2,284,359 km (0.103 R)
• M22: 2,428,123 km (0.1 R)
• M23: 2,501,127 km (0.054 R)
• M24: 2,556,328 km (0.052 R)
• M25: 2,636,812 km (0.064 R)
• M26: 2,775,041 km (0.079 R)
• M27: 2,954,558 km (0.091 R)
• M28: 3,032,498 km (0.101 R)
• M29: 3,098,172 km (0.07 R)
• M30: 3,230,865 km (0.104 R)
• M31: 3,297,885 km (0.087 R)
• M32: 3,453,766 km (0.107 R)
• M33: 3,515,550 km (0.067 R)
• M34: 3,647,046 km (0.107 R)
• M35: 3,738,002 km (0.055 R)
• M36: 3,801,282 km (0.12 R)
• M37: 3,900,764 km (0.062 R)
• M38: 4,015,356 km (0.03 R)
• M39: 4,182,008 km (0.107 R)
• M40: 4,240,501 km (0.059 R)
• M41: 4,336,244 km (0.106 R)
• M42: 4,574,852 km (0.092 R)
• M43: 4,688,248 km (0.062 R)
• M44: 4,825,579 km (0.115 R)
• M45: 5,033,968 km (0.093 R)
• M46: 5,213,935 km (0.097 R)
• M47: 5,324,487 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.5

Radius: 12.9

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.71 AU - 1.05 AU

Year: 533 Days

Day: 14.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 7,575,883 km

• M1: 164,408 km (0.044 R)
• M2: 257,308 km (0.108 R)
• M3: 417,976 km (0.052 R)
• M4: 520,451 km (0.079 R)
• M5: 604,375 km (0.055 R)
• M6: 731,982 km (0.119 R)
• M7: 950,545 km (0.098 R)
• M8: 1,045,839 km (0.114 R)
• M9: 1,157,439 km (0.088 R)
• M10: 1,299,557 km (0.084 R)
• M11: 1,416,093 km (0.079 R)
• M12: 1,559,707 km (0.115 R)
• M13: 1,655,001 km (0.073 R)
• M14: 1,747,602 km (0.069 R)
• M15: 1,846,935 km (0.05 R)
• M16: 1,958,535 km (0.069 R)
• M17: 2,046,499 km (0.035 R)
• M18: 2,146,281 km (0.08 R)
• M19: 2,253,243 km (0.092 R)
• M20: 2,433,808 km (0.032 R)
• M21: 2,545,557 km (0.069 R)
• M22: 2,642,048 km (0.085 R)
• M23: 2,809,448 km (0.043 R)
• M24: 2,915,064 km (0.093 R)
• M25: 3,010,208 km (0.063 R)
• M26: 3,112,384 km (0.12 R)
• M27: 3,215,905 km (0.084 R)
• M28: 3,357,724 km (0.093 R)
• M29: 3,583,916 km (0.085 R)
• M30: 3,686,092 km (0.118 R)
• M31: 3,769,866 km (0.112 R)
• M32: 3,893,434 km (0.117 R)
• M33: 4,118,130 km (0.112 R)
• M34: 4,272,515 km (0.09 R)
• M35: 4,435,726 km (0.068 R)
• M36: 4,573,357 km (0.097 R)
• M37: 4,684,358 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154

Radius: 14.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.68 AU - 2.22 AU

Year: 1758 Days

Day: 12 Hours

Environment

Temp: -194 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 7,575,883 km

• M1: 298,448 km (0.091 R)
• M2: 474,824 km (0.038 R)
• M3: 593,305 km (0.046 R)
• M4: 688,001 km (0.12 R)
• M5: 800,049 km (0.097 R)
• M6: 948,750 km (0.081 R)
• M7: 1,139,487 km (0.118 R)
• M8: 1,296,714 km (0.068 R)
• M9: 1,426,565 km (0.117 R)
• M10: 1,604,587 km (0.047 R)
• M11: 1,715,140 km (0.104 R)
• M12: 1,889,870 km (0.082 R)
• M13: 2,086,890 km (0.068 R)
• M14: 2,282,714 km (0.115 R)
• M15: 2,544,809 km (0.111 R)
• M16: 2,640,253 km (0.105 R)
• M17: 2,772,497 km (0.075 R)
• M18: 2,879,909 km (0.09 R)
• M19: 3,052,844 km (0.113 R)
• M20: 3,154,570 km (0.058 R)
• M21: 3,323,765 km (0.106 R)
• M22: 3,419,059 km (0.097 R)
• M23: 3,524,825 km (0.079 R)
• M24: 3,799,487 km (0.052 R)
• M25: 4,010,121 km (0.115 R)
• M26: 4,111,847 km (0.053 R)
• M27: 4,286,727 km (0.119 R)
• M28: 4,516,809 km (0.113 R)
• M29: 4,633,495 km (0.087 R)
• M30: 4,815,705 km (0.098 R)
• M31: 4,967,547 km (0.069 R)
• M32: 5,165,166 km (0.073 R)
• M33: 5,276,167 km (0.12 R)
• M34: 5,410,357 km (0.103 R)
• M35: 5,785,548 km (0.099 R)
• M36: 5,889,219 km (0.069 R)
• M37: 5,982,120 km (0.115 R)
• M38: 6,169,117 km (0.101 R)
• M39: 6,549,096 km (0.091 R)
• M40: 6,645,437 km (0.096 R)
• M41: 6,754,194 km (0.08 R)
• M42: 6,936,853 km (0.088 R)
• M43: 7,034,989 km (0.11 R)
• M44: 7,357,074 km (0.068 R)
• M45: 7,457,304 km (0.081 R)
• M46: 7,582,966 km (0.106 R)
• M47: 7,926,144 km (0.108 R)
• M48: 8,145,006 km (0.055 R)
• M49: 8,339,632 km (0.042 R)
• M50: 8,641,072 km (0.115 R)
• M51: 8,973,030 km (0.113 R)
• M52: 9,079,992 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.8

Radius: 12.5

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.57 AU - 4.19 AU

Year: 4012 Days

Day: 14.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 7,575,883 km

• M1: 162,912 km (0.075 R)
• M2: 256,411 km (0.106 R)
• M3: 460,013 km (0.069 R)
• M4: 577,897 km (0.095 R)
• M5: 666,459 km (0.113 R)
• M6: 765,193 km (0.107 R)
• M7: 947,403 km (0.109 R)
• M8: 1,071,869 km (0.091 R)
• M9: 1,320,351 km (0.061 R)
• M10: 1,718,431 km (0.106 R)
• M11: 1,935,048 km (0.032 R)
• M12: 2,132,069 km (0.102 R)
• M13: 2,395,511 km (0.06 R)
• M14: 2,515,937 km (0.099 R)
• M15: 2,646,386 km (0.078 R)
• M16: 3,315,238 km (0.094 R)
• M17: 3,450,176 km (0.119 R)
• M18: 3,578,381 km (0.107 R)
• M19: 3,673,376 km (0.08 R)
• M20: 4,035,103 km (0.115 R)
• M21: 4,206,692 km (0.105 R)
• M22: 4,298,096 km (0.101 R)
• M23: 4,436,325 km (0.082 R)
• M24: 4,604,174 km (0.096 R)
• M25: 4,984,751 km (0.067 R)
• M26: 5,130,160 km (0.107 R)
• M27: 5,316,409 km (0.093 R)
• M28: 5,695,640 km (0.114 R)
• M29: 5,796,917 km (0.113 R)
• M30: 6,491,201 km (0.096 R)
• M31: 7,015,542 km (0.112 R)
• M32: 7,178,753 km (0.102 R)
• M33: 7,277,338 km (0.073 R)
• M34: 7,531,355 km (0.105 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 17,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit