🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.3

Radius: 12.2

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.75 AU - 0.81 AU

Year: 459 Days

Day: 12.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,941,208 km

• M1: 151,842 km (0.1 R)
• M2: 412,741 km (0.116 R)
• M3: 672,143 km (0.1 R)
• M4: 954,434 km (0.05 R)
• M5: 1,364,632 km (0.104 R)
• M6: 1,766,601 km (0.101 R)
• M7: 1,995,935 km (0.118 R)
• M8: 2,407,179 km (0.059 R)
• M9: 2,979,092 km (0.105 R)
• M10: 3,235,054 km (0.08 R)
• M11: 3,711,972 km (0.112 R)
• M12: 4,038,843 km (0.081 R)
• M13: 4,348,511 km (0.071 R)
• M14: 4,746,740 km (0.092 R)
• M15: 5,037,260 km (0.097 R)
• M16: 5,360,241 km (0.118 R)
• M17: 5,693,545 km (0.117 R)
• M18: 6,062,005 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.2

Radius: 9.7

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.75 AU - 0.83 AU

Year: 468 Days

Day: 10.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,941,208 km

• M1: 125,812 km (0.11 R)
• M2: 321,336 km (0.072 R)
• M3: 555,158 km (0.106 R)
• M4: 900,729 km (0.109 R)
• M5: 1,335,311 km (0.086 R)
• M6: 1,529,937 km (0.115 R)
• M7: 1,872,517 km (0.084 R)
• M8: 2,351,379 km (0.112 R)
• M9: 3,150,980 km (0.04 R)
• M10: 3,940,707 km (0.093 R)
• M11: 4,732,977 km (0.097 R)
• M12: 5,036,512 km (0.075 R)
• M13: 5,290,828 km (0.06 R)
• M14: 5,905,376 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.9

Radius: 11.9

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.46 AU - 1.48 AU

Year: 1189 Days

Day: 14.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,941,208 km

• M1: 150,346 km (0.079 R)
• M2: 488,587 km (0.119 R)
• M3: 1,372,710 km (0.066 R)
• M4: 1,832,873 km (0.065 R)
• M5: 2,550,494 km (0.079 R)
• M6: 3,236,101 km (0.027 R)
• M7: 4,485,243 km (0.044 R)
• M8: 4,754,968 km (0.112 R)
• M9: 5,899,990 km (0.111 R)
• M10: 6,210,107 km (0.087 R)
• M11: 7,273,897 km (0.1 R)
• M12: 7,758,594 km (0.057 R)
• M13: 9,059,198 km (0.094 R)
• M14: 10,137,201 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.4

Radius: 9.4

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.24 AU - 1.88 AU

Year: 1299 Days

Day: 10.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,941,208 km

• M1: 136,732 km (0.118 R)
• M2: 343,477 km (0.027 R)
• M3: 660,026 km (0.048 R)
• M4: 881,580 km (0.107 R)
• M5: 1,119,740 km (0.106 R)
• M6: 1,296,415 km (0.072 R)
• M7: 1,605,484 km (0.037 R)
• M8: 1,902,885 km (0.053 R)
• M9: 2,299,768 km (0.085 R)
• M10: 3,275,296 km (0.104 R)
• M11: 3,517,944 km (0.087 R)
• M12: 3,715,862 km (0.114 R)
• M13: 3,905,552 km (0.059 R)
• M14: 4,142,515 km (0.099 R)
• M15: 4,328,614 km (0.043 R)
• M16: 4,518,753 km (0.1 R)
• M17: 5,257,617 km (0.03 R)
• M18: 5,615,455 km (0.04 R)
• M19: 7,073,735 km (0.039 R)
• M20: 7,662,253 km (0.103 R)
• M21: 8,355,490 km (0.067 R)
• M22: 9,015,964 km (0.053 R)
• M23: 9,377,243 km (0.104 R)
• M24: 9,855,358 km (0.1 R)
• M25: 10,054,473 km (0.093 R)
• M26: 11,080,116 km (0.072 R)
• M27: 11,528,311 km (0.094 R)
• M28: 11,864,308 km (0.106 R)
• M29: 12,476,313 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.2

Radius: 10.9

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.06 AU - 4.48 AU

Year: 4881 Days

Day: 9.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,941,208 km

• M1: 168,148 km (0.116 R)
• M2: 537,505 km (0.111 R)
• M3: 907,012 km (0.076 R)
• M4: 1,654,552 km (0.058 R)
• M5: 2,142,391 km (0.09 R)
• M6: 2,882,751 km (0.1 R)
• M7: 3,122,556 km (0.072 R)
• M8: 3,658,865 km (0.065 R)
• M9: 4,239,454 km (0.097 R)
• M10: 4,864,175 km (0.083 R)
• M11: 5,097,996 km (0.09 R)
• M12: 5,402,428 km (0.088 R)
• M13: 5,649,115 km (0.092 R)
• M14: 6,728,463 km (0.086 R)
• M15: 9,607,474 km (0.077 R)
• M16: 10,431,310 km (0.119 R)
• M17: 10,890,875 km (0.094 R)
• M18: 11,265,767 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.9

Radius: 9.1

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.21 AU - 5.15 AU

Year: 5699 Days

Day: 8.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,941,208 km

• M1: 159,322 km (0.103 R)
• M2: 606,470 km (0.11 R)
• M3: 782,995 km (0.1 R)
• M4: 1,204,861 km (0.06 R)
• M5: 1,911,113 km (0.067 R)
• M6: 2,735,846 km (0.106 R)
• M7: 2,966,227 km (0.085 R)
• M8: 3,350,992 km (0.115 R)
• M9: 4,076,991 km (0.114 R)
• M10: 6,636,012 km (0.093 R)
• M11: 6,875,369 km (0.11 R)
• M12: 7,057,728 km (0.093 R)
• M13: 8,235,812 km (0.079 R)
• M14: 8,570,013 km (0.108 R)
• M15: 9,153,744 km (0.039 R)
• M16: 9,684,817 km (0.031 R)
• M17: 10,083,944 km (0.081 R)
• M18: 10,453,899 km (0.107 R)
• M19: 11,408,334 km (0.076 R)
• M20: 12,856,591 km (0.073 R)
• M21: 13,913,649 km (0.102 R)
• M22: 15,418,903 km (0.081 R)
• M23: 15,601,113 km (0.051 R)
• M24: 15,876,373 km (0.071 R)
• M25: 16,811,809 km (0.064 R)
• M26: 20,454,367 km (0.063 R)
• M27: 20,822,528 km (0.082 R)
• M28: 21,300,642 km (0.05 R)
• M29: 24,858,678 km (0.06 R)
• M30: 26,801,057 km (0.092 R)
• M31: 30,392,752 km (0.092 R)
• M32: 31,945,429 km (0.111 R)
• M33: 32,142,150 km (0.064 R)
• M34: 33,001,889 km (0.03 R)
• M35: 33,603,870 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.4

Radius: 3.9

Gravity: 17.19 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.83 AU - 10.99 AU

Year: 17736 Days

Day: 18.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,941,208 km

• M1: 94,247 km (0.114 R)
• M2: 231,727 km (0.103 R)
• M3: 469,887 km (0.106 R)
• M4: 733,329 km (0.068 R)
• M5: 948,750 km (0.032 R)
• M6: 1,467,854 km (0.113 R)
• M7: 2,208,214 km (0.061 R)
• M8: 2,694,108 km (0.111 R)
• M9: 2,955,605 km (0.103 R)
• M10: 3,731,120 km (0.105 R)
• M11: 6,534,734 km (0.111 R)
• M12: 10,262,863 km (0.108 R)
• M13: 15,499,536 km (0.112 R)
• M14: 16,179,907 km (0.054 R)
• M15: 17,050,866 km (0.027 R)
• M16: 20,440,604 km (0.094 R)
• M17: 27,020,816 km (0.085 R)
• M18: 29,598,986 km (0.117 R)
• M19: 35,532,187 km (0.106 R)
• M20: 40,723,832 km (0.098 R)
• M21: 41,271,659 km (0.11 R)
• M22: 43,593,568 km (0.111 R)
• M23: 43,876,457 km (0.062 R)
• M24: 49,727,080 km (0.065 R)
• M25: 50,941,217 km (0.075 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 15,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit