🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.4

Radius: 12.3

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.73 AU - 0.89 AU

Year: 494 Days

Day: 14.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,709,633 km

• M1: 153,039 km (0.12 R)
• M2: 589,565 km (0.116 R)
• M3: 1,186,162 km (0.094 R)
• M4: 1,802,206 km (0.115 R)
• M5: 2,219,434 km (0.096 R)
• M6: 2,840,265 km (0.097 R)
• M7: 3,539,186 km (0.106 R)
• M8: 3,929,936 km (0.085 R)
• M9: 4,500,951 km (0.101 R)
• M10: 5,081,241 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.9

Radius: 14.7

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.21 AU - 5.25 AU

Year: 6977 Days

Day: 11.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,709,633 km

• M1: 182,809 km (0.102 R)
• M2: 866,321 km (0.098 R)
• M3: 1,440,029 km (0.092 R)
• M4: 2,119,203 km (0.101 R)
• M5: 3,977,508 km (0.091 R)
• M6: 4,536,555 km (0.093 R)
• M7: 5,781,060 km (0.096 R)
• M8: 13,335,902 km (0.027 R)
• M9: 18,855,316 km (0.108 R)
• M10: 23,282,066 km (0.116 R)
• M11: 23,794,140 km (0.115 R)
• M12: 25,826,876 km (0.101 R)
• M13: 32,618,619 km (0.109 R)
• M14: 34,458,224 km (0.049 R)
• M15: 35,684,926 km (0.088 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.6

Radius: 7.2

Gravity: 14.31 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.89 AU - 7.65 AU

Year: 13295 Days

Day: 19.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,709,633 km

• M1: 96,042 km (0.103 R)
• M2: 332,855 km (0.113 R)
• M3: 572,062 km (0.085 R)
• M4: 910,901 km (0.081 R)
• M5: 1,285,345 km (0.083 R)
• M6: 2,091,827 km (0.086 R)
• M7: 2,404,487 km (0.096 R)
• M8: 2,703,234 km (0.111 R)
• M9: 3,892,387 km (0.076 R)
• M10: 4,367,211 km (0.103 R)
• M11: 4,683,311 km (0.115 R)
• M12: 5,185,810 km (0.085 R)
• M13: 5,949,059 km (0.115 R)
• M14: 6,620,005 km (0.117 R)
• M15: 8,885,814 km (0.096 R)
• M16: 12,231,272 km (0.06 R)
• M17: 13,313,163 km (0.11 R)
• M18: 15,375,968 km (0.079 R)
• M19: 18,855,764 km (0.095 R)
• M20: 21,446,650 km (0.116 R)
• M21: 23,015,483 km (0.115 R)
• M22: 23,779,629 km (0.104 R)
• M23: 26,173,643 km (0.114 R)
• M24: 28,071,143 km (0.081 R)
• M25: 32,493,705 km (0.115 R)
• M26: 33,820,189 km (0.097 R)
• M27: 35,434,051 km (0.077 R)
• M28: 38,016,110 km (0.057 R)
• M29: 39,760,122 km (0.095 R)
• M30: 40,998,344 km (0.072 R)
• M31: 44,132,868 km (0.064 R)
• M32: 44,425,481 km (0.04 R)
• M33: 44,719,441 km (0.051 R)
• M34: 48,039,018 km (0.085 R)
• M35: 52,332,926 km (0.062 R)
• M36: 53,320,720 km (0.027 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.9

Radius: 6.3

Gravity: 13.25 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.1 AU - 8.74 AU

Year: 13709 Days

Day: 18.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,709,633 km

• M1: 78,688 km (0.117 R)
• M2: 420,819 km (0.081 R)
• M3: 686,205 km (0.058 R)
• M4: 1,007,242 km (0.026 R)
• M5: 1,900,940 km (0.092 R)
• M6: 2,129,974 km (0.06 R)
• M7: 2,417,202 km (0.119 R)
• M8: 4,654,139 km (0.071 R)
• M9: 5,072,864 km (0.118 R)
• M10: 5,308,480 km (0.05 R)
• M11: 7,168,580 km (0.082 R)
• M12: 7,994,361 km (0.086 R)
• M13: 8,500,450 km (0.109 R)
• M14: 9,125,919 km (0.077 R)
• M15: 10,740,379 km (0.119 R)
• M16: 13,219,365 km (0.053 R)
• M17: 14,256,378 km (0.083 R)
• M18: 16,491,071 km (0.106 R)
• M19: 16,860,129 km (0.087 R)
• M20: 20,265,276 km (0.101 R)
• M21: 21,031,815 km (0.114 R)
• M22: 21,641,277 km (0.089 R)
• M23: 23,633,322 km (0.086 R)
• M24: 24,482,290 km (0.106 R)
• M25: 24,866,158 km (0.114 R)
• M26: 27,977,943 km (0.095 R)
• M27: 28,714,862 km (0.029 R)
• M28: 31,115,160 km (0.092 R)
• M29: 39,113,111 km (0.038 R)
• M30: 39,769,397 km (0.054 R)
• M31: 42,883,726 km (0.104 R)
• M32: 49,287,412 km (0.09 R)
• M33: 51,923,027 km (0.098 R)
• M34: 52,397,701 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.6

Radius: 5.3

Gravity: 23.37 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.16 AU - 10.48 AU

Year: 17766 Days

Day: 19.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,709,633 km

• M1: 76,744 km (0.087 R)
• M2: 844,330 km (0.063 R)
• M3: 1,122,283 km (0.042 R)
• M4: 1,755,082 km (0.095 R)
• M5: 2,421,690 km (0.063 R)
• M6: 3,217,252 km (0.077 R)
• M7: 4,399,673 km (0.039 R)
• M8: 4,839,491 km (0.118 R)
• M9: 6,169,267 km (0.059 R)
• M10: 7,256,694 km (0.098 R)
• M11: 8,671,590 km (0.036 R)
• M12: 8,932,938 km (0.114 R)
• M13: 10,671,863 km (0.052 R)
• M14: 13,932,050 km (0.057 R)
• M15: 16,176,467 km (0.103 R)
• M16: 17,302,041 km (0.079 R)
• M17: 22,917,795 km (0.084 R)
• M18: 30,710,348 km (0.106 R)
• M19: 34,604,680 km (0.1 R)
• M20: 45,204,138 km (0.11 R)
• M21: 48,237,085 km (0.111 R)
• M22: 51,573,417 km (0.117 R)
• M23: 54,882,522 km (0.106 R)
• M24: 60,770,545 km (0.105 R)
• M25: 68,705,066 km (0.086 R)
• M26: 68,911,810 km (0.044 R)
• M27: 69,326,496 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.7

Radius: 6.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.96 AU - 11.74 AU

Year: 22584 Days

Day: 16.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,709,633 km

• M1: 86,916 km (0.086 R)
• M2: 455,526 km (0.104 R)
• M3: 728,242 km (0.054 R)
• M4: 986,598 km (0.082 R)
• M5: 1,241,962 km (0.105 R)
• M6: 1,646,025 km (0.095 R)
• M7: 2,608,388 km (0.105 R)
• M8: 3,296,539 km (0.116 R)
• M9: 5,398,239 km (0.09 R)
• M10: 5,788,839 km (0.093 R)
• M11: 7,717,904 km (0.066 R)
• M12: 13,482,059 km (0.111 R)
• M13: 13,805,789 km (0.035 R)
• M14: 20,470,973 km (0.111 R)
• M15: 20,984,991 km (0.106 R)
• M16: 23,035,230 km (0.096 R)
• M17: 28,578,429 km (0.114 R)
• M18: 29,653,739 km (0.049 R)
• M19: 37,055,542 km (0.1 R)
• M20: 37,308,811 km (0.08 R)
• M21: 44,021,866 km (0.065 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: 284 - 14,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit