🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.7

Radius: 10.3

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.5 AU - 0.54 AU

Year: 259 Days

Day: 7.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,394,184 km

• M1: 128,056 km (0.053 R)
• M2: 490,083 km (0.067 R)
• M3: 817,852 km (0.102 R)
• M4: 1,220,868 km (0.092 R)
• M5: 1,599,500 km (0.082 R)
• M6: 1,953,000 km (0.103 R)
• M7: 2,409,274 km (0.054 R)
• M8: 2,830,392 km (0.115 R)
• M9: 3,450,176 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.4

Radius: 10.3

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.56 AU - 0.62 AU

Year: 313 Days

Day: 9.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,394,184 km

• M1: 128,355 km (0.108 R)
• M2: 604,974 km (0.107 R)
• M3: 962,214 km (0.101 R)
• M4: 1,416,692 km (0.119 R)
• M5: 1,804,898 km (0.055 R)
• M6: 2,184,877 km (0.117 R)
• M7: 2,602,255 km (0.083 R)
• M8: 3,054,340 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.8

Radius: 8.7

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.82 AU - 0.96 AU

Year: 580 Days

Day: 9.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,394,184 km

• M1: 108,458 km (0.071 R)
• M2: 387,608 km (0.069 R)
• M3: 684,410 km (0.109 R)
• M4: 1,133,952 km (0.118 R)
• M5: 1,623,137 km (0.076 R)
• M6: 2,153,162 km (0.101 R)
• M7: 2,929,874 km (0.103 R)
• M8: 3,288,610 km (0.106 R)
• M9: 4,066,070 km (0.092 R)
• M10: 4,436,923 km (0.059 R)
• M11: 4,895,291 km (0.107 R)
• M12: 5,454,937 km (0.071 R)
• M13: 5,869,622 km (0.073 R)
• M14: 6,344,296 km (0.055 R)
• M15: 6,742,226 km (0.03 R)
• M16: 7,114,576 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.1

Radius: 8.7

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.75 AU - 1.11 AU

Year: 619 Days

Day: 6.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,394,184 km

• M1: 108,159 km (0.114 R)
• M2: 1,200,373 km (0.099 R)
• M3: 1,699,133 km (0.1 R)
• M4: 2,124,439 km (0.11 R)
• M5: 2,500,977 km (0.107 R)
• M6: 3,522,731 km (0.119 R)
• M7: 3,853,043 km (0.106 R)
• M8: 4,709,939 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.5

Radius: 11.2

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.92 AU - 1.16 AU

Year: 732 Days

Day: 8.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 85,394,184 km

• M1: 140,472 km (0.06 R)
• M2: 627,114 km (0.025 R)
• M3: 1,019,509 km (0.108 R)
• M4: 1,585,438 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.4

Radius: 8.4

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.11 AU - 1.55 AU

Year: 1059 Days

Day: 13.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,394,184 km

• M1: 105,167 km (0.099 R)
• M2: 459,265 km (0.102 R)
• M3: 730,187 km (0.059 R)
• M4: 1,547,440 km (0.105 R)
• M5: 3,024,121 km (0.083 R)
• M6: 3,424,295 km (0.089 R)
• M7: 4,023,734 km (0.025 R)
• M8: 4,897,685 km (0.105 R)
• M9: 6,313,030 km (0.093 R)
• M10: 6,611,927 km (0.081 R)
• M11: 8,976,620 km (0.074 R)
• M12: 9,774,725 km (0.085 R)
• M13: 11,175,260 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.4

Radius: 8.5

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.9 AU - 6.48 AU

Year: 8161 Days

Day: 6.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,394,184 km

• M1: 106,514 km (0.077 R)
• M2: 394,490 km (0.103 R)
• M3: 710,141 km (0.078 R)
• M4: 980,016 km (0.102 R)
• M5: 1,331,720 km (0.094 R)
• M6: 1,781,262 km (0.06 R)
• M7: 2,451,161 km (0.111 R)
• M8: 3,087,850 km (0.1 R)
• M9: 3,570,452 km (0.051 R)
• M10: 3,977,209 km (0.071 R)
• M11: 4,361,526 km (0.096 R)
• M12: 5,696,986 km (0.075 R)
• M13: 6,119,450 km (0.119 R)
• M14: 7,286,164 km (0.118 R)
• M15: 9,282,697 km (0.08 R)
• M16: 11,567,655 km (0.099 R)
• M17: 12,139,718 km (0.059 R)
• M18: 14,262,063 km (0.059 R)
• M19: 15,976,305 km (0.093 R)
• M20: 17,892,055 km (0.115 R)
• M21: 18,798,618 km (0.069 R)
• M22: 21,391,448 km (0.057 R)
• M23: 25,757,313 km (0.091 R)
• M24: 26,375,002 km (0.092 R)
• M25: 31,078,210 km (0.096 R)
• M26: 32,899,564 km (0.074 R)
• M27: 36,976,554 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.1

Radius: 7

Gravity: 20.08 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.75 AU - 6.83 AU

Year: 10889 Days

Day: 23.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,394,184 km

• M1: 90,208 km (0.072 R)
• M2: 738,116 km (0.072 R)
• M3: 1,806,394 km (0.095 R)
• M4: 2,235,890 km (0.091 R)
• M5: 2,537,778 km (0.1 R)
• M6: 3,969,131 km (0.104 R)
• M7: 4,824,382 km (0.102 R)
• M8: 9,911,457 km (0.06 R)
• M9: 12,249,074 km (0.052 R)
• M10: 13,060,941 km (0.094 R)
• M11: 13,447,502 km (0.117 R)
• M12: 13,709,448 km (0.091 R)
• M13: 18,059,455 km (0.08 R)
• M14: 18,620,297 km (0.099 R)
• M15: 18,945,822 km (0.116 R)
• M16: 23,249,005 km (0.077 R)
• M17: 28,806,865 km (0.041 R)
• M18: 29,352,149 km (0.096 R)
• M19: 34,942,323 km (0.099 R)
• M20: 40,517,985 km (0.059 R)
• M21: 43,160,033 km (0.112 R)
• M22: 47,713,642 km (0.092 R)
• M23: 48,323,553 km (0.075 R)
• M24: 48,630,378 km (0.045 R)
• M25: 49,248,217 km (0.058 R)
• M26: 52,901,996 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.2

Radius: 3.1

Gravity: 37.38 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.62 AU - 8.96 AU

Year: 15008 Days

Day: 19.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 85,394,184 km

• M1: 38,895 km (0.117 R)
• M2: 212,878 km (0.064 R)
• M3: 385,813 km (0.058 R)
• M4: 607,517 km (0.116 R)
• M5: 792,270 km (0.056 R)
• M6: 1,035,068 km (0.119 R)
• M7: 1,149,959 km (0.061 R)
• M8: 1,605,933 km (0.117 R)
• M9: 1,993,541 km (0.11 R)
• M10: 3,064,961 km (0.114 R)
• M11: 3,206,481 km (0.09 R)
• M12: 3,897,773 km (0.065 R)
• M13: 4,120,374 km (0.092 R)
• M14: 4,292,711 km (0.086 R)
• M15: 4,998,813 km (0.094 R)
• M16: 5,958,633 km (0.046 R)
• M17: 6,068,138 km (0.055 R)
• M18: 6,873,723 km (0.108 R)
• M19: 7,922,554 km (0.104 R)
• M20: 8,787,678 km (0.086 R)
• M21: 9,025,389 km (0.098 R)
• M22: 11,029,103 km (0.116 R)
• M23: 11,930,430 km (0.083 R)
• M24: 13,498,066 km (0.115 R)
• M25: 13,750,887 km (0.05 R)
• M26: 14,071,176 km (0.086 R)
• M27: 15,129,880 km (0.1 R)
• M28: 16,028,215 km (0.12 R)
• M29: 17,404,216 km (0.12 R)
• M30: 20,471,421 km (0.099 R)
• M31: 24,717,159 km (0.094 R)
• M32: 31,350,927 km (0.116 R)
• M33: 34,305,784 km (0.081 R)
• M34: 41,955,770 km (0.085 R)
• M35: 43,172,749 km (0.075 R)
• M36: 47,544,148 km (0.078 R)
• M37: 48,422,886 km (0.065 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.2

Radius: 5.9

Gravity: 27.5 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.33 AU - 10.61 AU

Year: 20116 Days

Day: 15.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,394,184 km

• M1: 73,752 km (0.073 R)
• M2: 317,746 km (0.119 R)
• M3: 546,481 km (0.088 R)
• M4: 1,084,585 km (0.096 R)
• M5: 1,607,878 km (0.063 R)
• M6: 3,922,905 km (0.107 R)
• M7: 4,681,516 km (0.101 R)
• M8: 7,693,818 km (0.05 R)
• M9: 9,568,280 km (0.097 R)
• M10: 11,192,763 km (0.099 R)
• M11: 12,419,615 km (0.04 R)
• M12: 13,733,533 km (0.11 R)
• M13: 15,057,026 km (0.099 R)
• M14: 16,378,424 km (0.096 R)
• M15: 16,634,535 km (0.116 R)
• M16: 18,873,716 km (0.103 R)
• M17: 20,016,644 km (0.06 R)
• M18: 20,309,407 km (0.11 R)
• M19: 21,205,049 km (0.091 R)
• M20: 26,430,353 km (0.09 R)
• M21: 32,587,203 km (0.078 R)
• M22: 33,128,448 km (0.072 R)
• M23: 42,620,882 km (0.078 R)
• M24: 45,584,566 km (0.087 R)
• M25: 46,431,439 km (0.075 R)
• M26: 53,027,808 km (0.069 R)
• M27: 57,427,780 km (0.091 R)
• M28: 75,324,173 km (0.103 R)
• M29: 75,559,790 km (0.118 R)
• M30: 76,269,632 km (0.136 R)
• M31: 76,983,962 km (0.099 R)
• M32: 81,116,304 km (0.076 R)
• M33: 85,394,205 km (0.043 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: 500 - 13,137 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit