🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

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: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.57 AU - 0.77 AU

Year: 354 Days

Day: 37.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,313,380 km

• M1: 36,951 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.3

Radius: 14.9

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.89 AU - 1.21 AU

Year: 695 Days

Day: 8.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,313,380 km

• M1: 187,596 km (0.105 R)
• M2: 981,063 km (0.083 R)
• M3: 1,663,229 km (0.101 R)
• M4: 2,961,739 km (0.062 R)
• M5: 3,653,030 km (0.084 R)
• M6: 4,940,170 km (0.099 R)
• M7: 6,354,918 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.4

Radius: 8.2

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.03 AU - 1.69 AU

Year: 1024 Days

Day: 14 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,313,380 km

• M1: 102,175 km (0.113 R)
• M2: 377,884 km (0.071 R)
• M3: 715,227 km (0.051 R)
• M4: 979,567 km (0.049 R)
• M5: 1,260,960 km (0.088 R)
• M6: 1,689,858 km (0.109 R)
• M7: 2,213,300 km (0.068 R)
• M8: 2,816,180 km (0.09 R)
• M9: 3,669,935 km (0.116 R)
• M10: 4,246,186 km (0.037 R)
• M11: 5,045,188 km (0.031 R)
• M12: 6,106,735 km (0.033 R)
• M13: 6,779,776 km (0.069 R)
• M14: 7,192,666 km (0.089 R)
• M15: 7,573,841 km (0.119 R)
• M16: 8,480,554 km (0.094 R)
• M17: 9,179,176 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.2

Radius: 11.8

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3 AU - 3.46 AU

Year: 3748 Days

Day: 10.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,313,380 km

• M1: 146,756 km (0.091 R)
• M2: 514,617 km (0.113 R)
• M3: 1,698,235 km (0.113 R)
• M4: 2,260,274 km (0.083 R)
• M5: 2,637,410 km (0.09 R)
• M6: 4,213,125 km (0.072 R)
• M7: 5,063,140 km (0.085 R)
• M8: 5,517,169 km (0.097 R)
• M9: 6,289,394 km (0.111 R)
• M10: 6,729,959 km (0.047 R)
• M11: 7,369,341 km (0.071 R)
• M12: 9,215,827 km (0.057 R)
• M13: 10,683,831 km (0.11 R)
• M14: 12,091,547 km (0.106 R)
• M15: 14,595,666 km (0.072 R)
• M16: 15,618,167 km (0.113 R)
• M17: 16,274,603 km (0.116 R)
• M18: 17,107,713 km (0.093 R)
• M19: 18,078,753 km (0.067 R)
• M20: 18,466,212 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.2

Radius: 12.2

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.59 AU - 3.73 AU

Year: 4521 Days

Day: 5.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,313,380 km

• M1: 151,692 km (0.076 R)
• M2: 609,761 km (0.066 R)
• M3: 1,020,108 km (0.08 R)
• M4: 1,787,096 km (0.063 R)
• M5: 2,813,786 km (0.116 R)
• M6: 3,777,645 km (0.056 R)
• M7: 4,541,941 km (0.059 R)
• M8: 6,186,022 km (0.099 R)
• M9: 6,688,670 km (0.094 R)
• M10: 7,188,327 km (0.083 R)
• M11: 7,681,103 km (0.116 R)
• M12: 8,496,561 km (0.061 R)
• M13: 9,404,919 km (0.054 R)
• M14: 10,649,573 km (0.11 R)
• M15: 11,497,195 km (0.087 R)
• M16: 15,092,780 km (0.078 R)
• M17: 15,544,864 km (0.094 R)
• M18: 16,109,895 km (0.08 R)
• M19: 17,172,340 km (0.055 R)
• M20: 18,394,255 km (0.075 R)
• M21: 19,201,485 km (0.101 R)
• M22: 19,852,236 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.3

Radius: 12.5

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.57 AU - 3.97 AU

Year: 4726 Days

Day: 9.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,313,380 km

• M1: 155,582 km (0.082 R)
• M2: 591,809 km (0.085 R)
• M3: 999,015 km (0.063 R)
• M4: 1,677,591 km (0.115 R)
• M5: 2,460,436 km (0.042 R)
• M6: 2,917,906 km (0.112 R)
• M7: 3,580,775 km (0.109 R)
• M8: 4,148,050 km (0.1 R)
• M9: 4,696,326 km (0.032 R)
• M10: 5,727,654 km (0.11 R)
• M11: 7,823,669 km (0.116 R)
• M12: 8,545,629 km (0.05 R)
• M13: 10,344,094 km (0.115 R)
• M14: 11,403,546 km (0.036 R)
• M15: 16,013,255 km (0.12 R)
• M16: 21,153,737 km (0.059 R)
• M17: 22,105,778 km (0.061 R)
• M18: 23,239,730 km (0.098 R)
• M19: 25,870,109 km (0.117 R)
• M20: 26,452,643 km (0.041 R)
• M21: 27,990,809 km (0.062 R)
• M22: 29,048,915 km (0.094 R)
• M23: 29,859,735 km (0.034 R)
• M24: 31,715,796 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.5

Radius: 10.6

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.3 AU - 4.96 AU

Year: 5419 Days

Day: 7.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,313,380 km

• M1: 132,245 km (0.118 R)
• M2: 483,351 km (0.114 R)
• M3: 1,083,537 km (0.077 R)
• M4: 1,685,519 km (0.096 R)
• M5: 3,063,166 km (0.064 R)
• M6: 3,506,873 km (0.054 R)
• M7: 4,291,215 km (0.041 R)
• M8: 5,635,801 km (0.11 R)
• M9: 6,305,101 km (0.04 R)
• M10: 7,831,000 km (0.119 R)
• M11: 8,330,507 km (0.111 R)
• M12: 9,103,479 km (0.071 R)
• M13: 10,334,221 km (0.061 R)
• M14: 12,208,383 km (0.117 R)
• M15: 12,800,342 km (0.106 R)
• M16: 14,735,390 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.1

Radius: 10.7

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.35 AU - 6.66 AU

Year: 8328 Days

Day: 13.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,313,380 km

• M1: 134,040 km (0.1 R)
• M2: 513,869 km (0.103 R)
• M3: 1,093,411 km (0.108 R)
• M4: 1,955,693 km (0.115 R)
• M5: 2,515,488 km (0.108 R)
• M6: 2,893,073 km (0.045 R)
• M7: 3,352,189 km (0.072 R)
• M8: 3,932,629 km (0.108 R)
• M9: 4,364,817 km (0.111 R)
• M10: 5,508,194 km (0.056 R)
• M11: 6,116,758 km (0.049 R)
• M12: 6,628,532 km (0.029 R)
• M13: 7,660,009 km (0.11 R)
• M14: 8,795,457 km (0.112 R)
• M15: 9,627,521 km (0.09 R)
• M16: 10,415,752 km (0.114 R)
• M17: 11,196,353 km (0.094 R)
• M18: 13,431,346 km (0.097 R)
• M19: 14,415,400 km (0.084 R)
• M20: 15,077,221 km (0.096 R)
• M21: 21,976,376 km (0.034 R)
• M22: 22,451,648 km (0.119 R)
• M23: 24,591,646 km (0.119 R)
• M24: 27,499,081 km (0.072 R)
• M25: 32,024,715 km (0.045 R)
• M26: 33,463,249 km (0.119 R)
• M27: 35,701,083 km (0.055 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.8

Radius: 14.5

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.63 AU - 6.61 AU

Year: 8602 Days

Day: 11.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,313,380 km

• M1: 182,360 km (0.086 R)
• M2: 1,018,761 km (0.102 R)
• M3: 1,531,583 km (0.059 R)
• M4: 2,202,380 km (0.067 R)
• M5: 2,687,227 km (0.087 R)
• M6: 3,775,102 km (0.118 R)
• M7: 6,040,164 km (0.098 R)
• M8: 6,811,490 km (0.059 R)
• M9: 7,524,324 km (0.099 R)
• M10: 8,868,311 km (0.073 R)
• M11: 11,150,277 km (0.116 R)
• M12: 11,694,215 km (0.083 R)
• M13: 14,813,780 km (0.065 R)
• M14: 15,944,141 km (0.11 R)
• M15: 24,690,680 km (0.044 R)
• M16: 26,469,698 km (0.113 R)
• M17: 32,648,987 km (0.098 R)
• M18: 33,203,547 km (0.054 R)
• M19: 36,426,932 km (0.106 R)
• M20: 39,351,421 km (0.047 R)
• M21: 40,360,010 km (0.042 R)
• M22: 40,999,092 km (0.098 R)
• M23: 43,623,337 km (0.103 R)
• M24: 44,296,528 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.7

Radius: 4.3

Gravity: 38.65 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.54 AU - 12.5 AU

Year: 22031 Days

Day: 24.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,313,380 km

• M1: 54,902 km (0.081 R)
• M2: 279,150 km (0.111 R)
• M3: 663,467 km (0.096 R)
• M4: 826,229 km (0.116 R)
• M5: 978,071 km (0.073 R)
• M6: 1,134,700 km (0.101 R)
• M7: 1,417,440 km (0.097 R)
• M8: 1,584,241 km (0.088 R)
• M9: 1,764,208 km (0.118 R)
• M10: 2,341,805 km (0.08 R)
• M11: 3,146,043 km (0.037 R)
• M12: 4,461,158 km (0.117 R)
• M13: 5,357,698 km (0.114 R)
• M14: 6,731,605 km (0.059 R)
• M15: 7,060,720 km (0.111 R)
• M16: 7,302,321 km (0.091 R)
• M17: 8,060,333 km (0.038 R)
• M18: 9,094,055 km (0.072 R)
• M19: 10,336,016 km (0.103 R)
• M20: 11,355,077 km (0.087 R)
• M21: 12,439,213 km (0.078 R)
• M22: 12,863,023 km (0.057 R)
• M23: 15,287,406 km (0.113 R)
• M24: 17,999,915 km (0.076 R)
• M25: 20,524,529 km (0.113 R)
• M26: 28,147,887 km (0.067 R)
• M27: 31,661,043 km (0.089 R)
• M28: 36,736,749 km (0.111 R)
• M29: 39,391,064 km (0.087 R)
• M30: 47,258,865 km (0.119 R)
• M31: 54,221,898 km (0.083 R)
• M32: 65,581,612 km (0.099 R)
• M33: 73,745,318 km (0.092 R)
• M34: 79,387,401 km (0.079 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: 283 - 10,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit