🌌 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: 163.9

Radius: 12.1

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.46 AU - 0.58 AU

Year: 259 Days

Day: 7.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 29,953,403 km

• M1: 150,795 km (0.093 R)
• M2: 607,218 km (0.061 R)
• M3: 1,444,667 km (0.059 R)
• M4: 1,845,290 km (0.115 R)
• M5: 2,273,888 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.2

Radius: 13

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.7 AU - 1.06 AU

Year: 570 Days

Day: 11.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,953,403 km

• M1: 161,865 km (0.079 R)
• M2: 785,389 km (0.092 R)
• M3: 1,234,482 km (0.109 R)
• M4: 1,936,544 km (0.058 R)
• M5: 2,592,681 km (0.117 R)
• M6: 3,081,417 km (0.116 R)
• M7: 3,497,897 km (0.051 R)
• M8: 3,981,099 km (0.087 R)
• M9: 4,540,295 km (0.113 R)
• M10: 5,631,761 km (0.063 R)
• M11: 6,180,935 km (0.073 R)
• M12: 6,621,202 km (0.105 R)
• M13: 7,299,179 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.1

Radius: 14.1

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.91 AU - 1.01 AU

Year: 649 Days

Day: 6.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,953,403 km

• M1: 175,329 km (0.104 R)
• M2: 680,670 km (0.107 R)
• M3: 1,134,251 km (0.106 R)
• M4: 1,590,375 km (0.09 R)
• M5: 2,136,108 km (0.07 R)
• M6: 2,605,995 km (0.114 R)
• M7: 3,301,027 km (0.063 R)
• M8: 4,018,797 km (0.108 R)
• M9: 4,498,109 km (0.104 R)
• M10: 5,264,050 km (0.101 R)
• M11: 6,812,837 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.2

Radius: 14.9

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.13 AU - 1.43 AU

Year: 1000 Days

Day: 13.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,953,403 km

• M1: 185,352 km (0.089 R)
• M2: 661,223 km (0.08 R)
• M3: 1,154,596 km (0.118 R)
• M4: 1,786,947 km (0.116 R)
• M5: 2,359,009 km (0.099 R)
• M6: 3,120,163 km (0.061 R)
• M7: 3,881,167 km (0.102 R)
• M8: 4,478,511 km (0.096 R)
• M9: 5,530,334 km (0.1 R)
• M10: 6,115,262 km (0.064 R)
• M11: 7,311,746 km (0.082 R)
• M12: 8,714,226 km (0.089 R)
• M13: 9,984,461 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.4

Radius: 12.4

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.57 AU - 1.65 AU

Year: 1410 Days

Day: 6.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,953,403 km

• M1: 154,235 km (0.079 R)
• M2: 647,310 km (0.075 R)
• M3: 1,048,681 km (0.065 R)
• M4: 1,651,560 km (0.104 R)
• M5: 2,105,141 km (0.044 R)
• M6: 2,800,323 km (0.054 R)
• M7: 3,468,875 km (0.093 R)
• M8: 3,977,508 km (0.095 R)
• M9: 4,573,506 km (0.105 R)
• M10: 5,207,801 km (0.09 R)
• M11: 6,482,674 km (0.062 R)
• M12: 6,875,518 km (0.115 R)
• M13: 8,726,642 km (0.063 R)
• M14: 10,517,927 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.8

Radius: 14

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.06 AU - 3.24 AU

Year: 2978 Days

Day: 8.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,953,403 km

• M1: 174,132 km (0.073 R)
• M2: 823,387 km (0.109 R)
• M3: 1,442,273 km (0.106 R)
• M4: 3,085,007 km (0.041 R)
• M5: 3,704,642 km (0.087 R)
• M6: 4,387,406 km (0.036 R)
• M7: 4,881,528 km (0.098 R)
• M8: 5,545,892 km (0.096 R)
• M9: 9,815,565 km (0.071 R)
• M10: 11,638,714 km (0.116 R)
• M11: 14,012,085 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.6

Radius: 9.1

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.26 AU - 3.86 AU

Year: 4636 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,953,403 km

• M1: 113,096 km (0.042 R)
• M2: 782,397 km (0.08 R)
• M3: 1,842,747 km (0.102 R)
• M4: 2,436,351 km (0.112 R)
• M5: 3,910,788 km (0.077 R)
• M6: 6,590,983 km (0.114 R)
• M7: 6,986,819 km (0.077 R)
• M8: 9,290,477 km (0.075 R)
• M9: 10,974,799 km (0.118 R)
• M10: 12,904,462 km (0.117 R)
• M11: 14,219,577 km (0.078 R)
• M12: 14,547,944 km (0.086 R)
• M13: 19,159,448 km (0.066 R)
• M14: 21,291,816 km (0.102 R)
• M15: 22,084,984 km (0.063 R)
• M16: 25,697,473 km (0.054 R)
• M17: 27,347,538 km (0.034 R)
• M18: 29,242,943 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 15,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit