🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.8

Radius: 9.7

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.59 AU - 0.83 AU

Year: 399 Days

Day: 11.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,688,049 km

• M1: 121,922 km (0.114 R)
• M2: 446,400 km (0.093 R)
• M3: 764,146 km (0.095 R)
• M4: 1,087,128 km (0.11 R)
• M5: 1,395,000 km (0.104 R)
• M6: 2,011,643 km (0.099 R)
• M7: 2,735,247 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.1

Radius: 11.1

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.57 AU - 0.91 AU

Year: 424 Days

Day: 5.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 31,688,049 km

• M1: 138,827 km (0.111 R)
• M2: 613,351 km (0.119 R)
• M3: 2,108,432 km (0.087 R)
• M4: 2,504,268 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.4

Radius: 13.5

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1 AU - 1.18 AU

Year: 759 Days

Day: 9.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,688,049 km

• M1: 167,849 km (0.107 R)
• M2: 641,625 km (0.104 R)
• M3: 1,076,506 km (0.062 R)
• M4: 1,509,891 km (0.109 R)
• M5: 1,966,165 km (0.081 R)
• M6: 2,772,348 km (0.078 R)
• M7: 3,253,006 km (0.072 R)
• M8: 3,872,790 km (0.105 R)
• M9: 4,507,833 km (0.061 R)
• M10: 6,335,021 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.6

Radius: 8.1

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.99 AU - 1.61 AU

Year: 988 Days

Day: 14.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,688,049 km

• M1: 101,427 km (0.091 R)
• M2: 498,161 km (0.063 R)
• M3: 780,153 km (0.078 R)
• M4: 1,495,979 km (0.063 R)
• M5: 1,930,411 km (0.066 R)
• M6: 2,283,911 km (0.1 R)
• M7: 2,592,531 km (0.071 R)
• M8: 3,193,017 km (0.107 R)
• M9: 3,488,323 km (0.113 R)
• M10: 4,558,247 km (0.093 R)
• M11: 4,914,440 km (0.093 R)
• M12: 5,493,982 km (0.038 R)
• M13: 5,768,195 km (0.096 R)
• M14: 6,860,858 km (0.109 R)
• M15: 7,430,825 km (0.096 R)
• M16: 8,921,568 km (0.11 R)
• M17: 10,634,314 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.7

Radius: 10.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.37 AU - 1.65 AU

Year: 1237 Days

Day: 10.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,688,049 km

• M1: 128,654 km (0.099 R)
• M2: 490,531 km (0.108 R)
• M3: 976,874 km (0.088 R)
• M4: 1,338,303 km (0.111 R)
• M5: 1,830,629 km (0.11 R)
• M6: 2,471,506 km (0.064 R)
• M7: 3,206,780 km (0.092 R)
• M8: 4,242,147 km (0.079 R)
• M9: 4,992,231 km (0.087 R)
• M10: 6,877,613 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.8

Radius: 11.7

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.73 AU - 1.73 AU

Year: 1517 Days

Day: 8.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,688,049 km

• M1: 145,559 km (0.108 R)
• M2: 552,465 km (0.06 R)
• M3: 917,633 km (0.099 R)
• M4: 1,378,395 km (0.054 R)
• M5: 1,756,728 km (0.042 R)
• M6: 2,159,744 km (0.106 R)
• M7: 3,385,549 km (0.116 R)
• M8: 3,912,732 km (0.106 R)
• M9: 5,153,347 km (0.083 R)
• M10: 6,061,107 km (0.051 R)
• M11: 7,388,938 km (0.112 R)
• M12: 8,135,731 km (0.055 R)
• M13: 9,209,095 km (0.071 R)
• M14: 9,715,335 km (0.088 R)
• M15: 10,107,281 km (0.031 R)
• M16: 10,612,024 km (0.102 R)
• M17: 11,818,531 km (0.113 R)
• M18: 12,303,378 km (0.055 R)
• M19: 12,879,180 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.6

Radius: 8.5

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.69 AU - 1.79 AU

Year: 1531 Days

Day: 10.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,688,049 km

• M1: 106,214 km (0.1 R)
• M2: 403,017 km (0.067 R)
• M3: 1,156,541 km (0.118 R)
• M4: 2,596,570 km (0.091 R)
• M5: 4,519,800 km (0.101 R)
• M6: 4,899,480 km (0.088 R)
• M7: 5,802,004 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173

Radius: 4

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.3 AU - 7.42 AU

Year: 10696 Days

Day: 24.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 31,688,049 km

• M1: 50,714 km (0.034 R)
• M2: 284,386 km (0.083 R)
• M3: 419,772 km (0.065 R)
• M4: 562,039 km (0.114 R)
• M5: 774,468 km (0.097 R)
• M6: 1,718,132 km (0.11 R)
• M7: 2,089,882 km (0.087 R)
• M8: 2,360,505 km (0.067 R)
• M9: 2,990,761 km (0.09 R)
• M10: 3,334,537 km (0.1 R)
• M11: 3,980,799 km (0.064 R)
• M12: 4,246,635 km (0.107 R)
• M13: 4,601,780 km (0.082 R)
• M14: 5,695,640 km (0.117 R)
• M15: 6,254,687 km (0.082 R)
• M16: 6,514,538 km (0.099 R)
• M17: 7,885,753 km (0.068 R)
• M18: 8,940,418 km (0.117 R)
• M19: 9,693,792 km (0.115 R)
• M20: 10,533,784 km (0.117 R)
• M21: 13,026,833 km (0.101 R)
• M22: 13,938,183 km (0.064 R)
• M23: 15,063,758 km (0.098 R)
• M24: 16,006,823 km (0.114 R)
• M25: 18,336,959 km (0.1 R)
• M26: 18,668,318 km (0.043 R)
• M27: 19,071,036 km (0.069 R)
• M28: 19,686,033 km (0.114 R)
• M29: 22,504,456 km (0.07 R)
• M30: 25,498,209 km (0.06 R)
• M31: 29,014,507 km (0.086 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 11,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit