🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.7

Radius: 14.6

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.91 AU - 1.21 AU

Year: 705 Days

Day: 8.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,201,031 km

• M1: 181,612 km (0.085 R)
• M2: 835,055 km (0.107 R)
• M3: 1,350,719 km (0.102 R)
• M4: 2,387,133 km (0.089 R)
• M5: 3,286,964 km (0.039 R)
• M6: 4,448,143 km (0.085 R)
• M7: 5,090,965 km (0.064 R)
• M8: 5,706,112 km (0.077 R)
• M9: 6,862,054 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.5

Radius: 9.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.92 AU - 1.24 AU

Year: 725 Days

Day: 7.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,201,031 km

• M1: 115,490 km (0.114 R)
• M2: 456,722 km (0.051 R)
• M3: 807,978 km (0.088 R)
• M4: 1,701,377 km (0.099 R)
• M5: 2,030,941 km (0.105 R)
• M6: 2,347,340 km (0.083 R)
• M7: 3,251,510 km (0.089 R)
• M8: 4,471,929 km (0.082 R)
• M9: 5,122,381 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.6

Radius: 11.2

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.31 AU - 1.53 AU

Year: 1093 Days

Day: 7.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,201,031 km

• M1: 139,425 km (0.117 R)
• M2: 587,920 km (0.062 R)
• M3: 969,544 km (0.115 R)
• M4: 1,370,316 km (0.099 R)
• M5: 1,783,057 km (0.047 R)
• M6: 2,226,465 km (0.102 R)
• M7: 3,743,088 km (0.036 R)
• M8: 4,360,030 km (0.105 R)
• M9: 4,808,225 km (0.085 R)
• M10: 6,127,828 km (0.071 R)
• M11: 7,529,111 km (0.056 R)
• M12: 8,887,609 km (0.059 R)
• M13: 9,356,150 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.7

Radius: 11.7

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.64 AU - 2.92 AU

Year: 2993 Days

Day: 12.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,201,031 km

• M1: 145,708 km (0.118 R)
• M2: 531,820 km (0.093 R)
• M3: 1,155,344 km (0.096 R)
• M4: 1,523,505 km (0.099 R)
• M5: 2,020,469 km (0.053 R)
• M6: 3,694,020 km (0.115 R)
• M7: 5,794,075 km (0.051 R)
• M8: 6,719,338 km (0.096 R)
• M9: 7,111,434 km (0.091 R)
• M10: 8,017,847 km (0.084 R)
• M11: 9,448,452 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.8

Radius: 14.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.76 AU - 4.04 AU

Year: 4973 Days

Day: 14 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,201,031 km

• M1: 175,329 km (0.093 R)
• M2: 725,849 km (0.095 R)
• M3: 1,172,997 km (0.095 R)
• M4: 1,710,951 km (0.059 R)
• M5: 2,630,978 km (0.044 R)
• M6: 3,106,250 km (0.102 R)
• M7: 4,066,968 km (0.086 R)
• M8: 4,579,191 km (0.107 R)
• M9: 5,301,449 km (0.115 R)
• M10: 6,806,105 km (0.112 R)
• M11: 7,603,761 km (0.108 R)
• M12: 8,156,973 km (0.079 R)
• M13: 9,469,396 km (0.104 R)
• M14: 10,198,236 km (0.068 R)
• M15: 11,196,802 km (0.061 R)
• M16: 12,918,524 km (0.058 R)
• M17: 17,318,198 km (0.05 R)
• M18: 19,958,002 km (0.055 R)
• M19: 25,367,909 km (0.103 R)
• M20: 27,798,875 km (0.102 R)
• M21: 28,672,077 km (0.088 R)
• M22: 30,198,425 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.6

Radius: 12.6

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.76 AU - 6.88 AU

Year: 9066 Days

Day: 7.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,201,031 km

• M1: 156,779 km (0.055 R)
• M2: 926,908 km (0.103 R)
• M3: 1,688,810 km (0.089 R)
• M4: 2,376,213 km (0.075 R)
• M5: 3,813,549 km (0.085 R)
• M6: 4,257,107 km (0.098 R)
• M7: 4,706,050 km (0.055 R)
• M8: 5,124,774 km (0.09 R)
• M9: 6,461,282 km (0.079 R)
• M10: 7,769,814 km (0.045 R)
• M11: 9,064,883 km (0.064 R)
• M12: 9,812,124 km (0.093 R)
• M13: 10,448,962 km (0.097 R)
• M14: 11,323,362 km (0.076 R)
• M15: 14,364,537 km (0.116 R)
• M16: 14,994,045 km (0.078 R)
• M17: 15,839,871 km (0.046 R)
• M18: 21,678,975 km (0.079 R)
• M19: 22,930,062 km (0.115 R)
• M20: 23,703,334 km (0.036 R)
• M21: 26,594,612 km (0.065 R)
• M22: 28,027,759 km (0.064 R)
• M23: 33,286,125 km (0.114 R)
• M24: 37,963,452 km (0.083 R)
• M25: 43,843,994 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925

Radius: 3

Gravity: 102.78 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.99 AU - 8.67 AU

Year: 12814 Days

Day: 23.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 80,201,031 km

• M1: 38,147 km (0.103 R)
• M2: 248,183 km (0.112 R)
• M3: 401,670 km (0.087 R)
• M4: 758,312 km (0.11 R)
• M5: 922,570 km (0.116 R)
• M6: 1,073,066 km (0.111 R)
• M7: 2,122,794 km (0.097 R)
• M8: 2,808,401 km (0.083 R)
• M9: 3,887,001 km (0.113 R)
• M10: 4,156,278 km (0.067 R)
• M11: 4,698,420 km (0.094 R)
• M12: 5,003,750 km (0.086 R)
• M13: 5,143,624 km (0.115 R)
• M14: 6,038,518 km (0.083 R)
• M15: 7,032,147 km (0.08 R)
• M16: 8,034,303 km (0.075 R)
• M17: 8,372,245 km (0.071 R)
• M18: 10,204,819 km (0.11 R)
• M19: 10,486,811 km (0.076 R)
• M20: 11,544,617 km (0.067 R)
• M21: 12,351,548 km (0.104 R)
• M22: 12,543,033 km (0.108 R)
• M23: 14,567,242 km (0.105 R)
• M24: 16,798,943 km (0.082 R)
• M25: 17,995,876 km (0.064 R)
• M26: 19,333,879 km (0.102 R)
• M27: 20,027,116 km (0.091 R)
• M28: 22,678,888 km (0.1 R)
• M29: 23,158,648 km (0.092 R)
• M30: 26,813,773 km (0.045 R)
• M31: 29,566,523 km (0.064 R)
• M32: 32,622,957 km (0.07 R)
• M33: 34,731,240 km (0.1 R)
• M34: 34,858,099 km (0.104 R)
• M35: 34,985,108 km (0.101 R)
• M36: 35,368,228 km (0.088 R)
• M37: 35,625,237 km (0.116 R)
• M38: 38,263,545 km (0.096 R)
• M39: 38,398,781 km (0.05 R)
• M40: 40,606,098 km (0.09 R)
• M41: 41,597,932 km (0.11 R)
• M42: 46,954,284 km (0.116 R)
• M43: 48,361,700 km (0.05 R)
• M44: 51,260,458 km (0.056 R)
• M45: 52,919,798 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.3

Radius: 6.4

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.2 AU - 11.14 AU

Year: 17930 Days

Day: 22.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 160.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,201,031 km

• M1: 79,736 km (0.091 R)
• M2: 439,219 km (0.06 R)
• M3: 1,239,418 km (0.102 R)
• M4: 1,906,326 km (0.118 R)
• M5: 2,288,399 km (0.036 R)
• M6: 3,004,823 km (0.089 R)
• M7: 3,335,285 km (0.028 R)
• M8: 3,550,406 km (0.057 R)
• M9: 5,547,687 km (0.111 R)
• M10: 5,812,176 km (0.081 R)
• M11: 6,204,721 km (0.088 R)
• M12: 7,718,951 km (0.073 R)
• M13: 8,686,999 km (0.057 R)
• M14: 9,044,089 km (0.098 R)
• M15: 9,842,493 km (0.099 R)
• M16: 10,514,187 km (0.118 R)
• M17: 12,200,006 km (0.093 R)
• M18: 12,454,771 km (0.119 R)
• M19: 12,778,201 km (0.119 R)
• M20: 15,347,844 km (0.093 R)
• M21: 20,038,036 km (0.094 R)
• M22: 24,174,866 km (0.077 R)
• M23: 24,881,567 km (0.057 R)
• M24: 27,846,297 km (0.086 R)
• M25: 28,622,710 km (0.105 R)
• M26: 29,299,491 km (0.115 R)
• M27: 32,600,069 km (0.088 R)
• M28: 36,930,778 km (0.117 R)
• M29: 37,598,433 km (0.067 R)
• M30: 43,084,187 km (0.117 R)
• M31: 51,527,191 km (0.108 R)
• M32: 53,202,987 km (0.059 R)
• M33: 53,883,208 km (0.112 R)
• M34: 55,435,137 km (0.118 R)

Asteroid Belt

Center: 10 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.6

Radius: 6.2

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 9.53 AU - 12.11 AU

Year: 22980 Days

Day: 15.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 118.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,201,031 km

• M1: 80,484 km (0.11 R)
• M2: 463,903 km (0.032 R)
• M3: 671,246 km (0.119 R)
• M4: 918,681 km (0.098 R)
• M5: 1,198,578 km (0.088 R)
• M6: 1,405,622 km (0.101 R)
• M7: 1,893,161 km (0.111 R)
• M8: 2,092,575 km (0.119 R)
• M9: 2,605,397 km (0.114 R)
• M10: 3,062,568 km (0.081 R)
• M11: 3,396,021 km (0.114 R)
• M12: 4,302,435 km (0.11 R)
• M13: 5,559,057 km (0.1 R)
• M14: 6,013,386 km (0.08 R)
• M15: 15,309,397 km (0.112 R)
• M16: 15,549,053 km (0.101 R)
• M17: 17,644,770 km (0.113 R)
• M18: 19,080,610 km (0.086 R)
• M19: 24,283,474 km (0.036 R)
• M20: 25,943,412 km (0.112 R)
• M21: 26,743,312 km (0.109 R)
• M22: 27,441,934 km (0.08 R)
• M23: 33,074,593 km (0.113 R)
• M24: 35,807,896 km (0.118 R)
• M25: 37,954,027 km (0.075 R)
• M26: 41,563,824 km (0.103 R)
• M27: 42,816,107 km (0.114 R)
• M28: 43,611,519 km (0.116 R)
• M29: 45,560,480 km (0.07 R)
• M30: 48,763,969 km (0.082 R)
• M31: 54,865,617 km (0.117 R)
• M32: 66,414,573 km (0.066 R)
• M33: 67,265,935 km (0.053 R)
• M34: 69,644,690 km (0.115 R)
• M35: 78,767,468 km (0.111 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 12,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit