🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.9

Radius: 14.1

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.59 AU - 0.69 AU

Year: 347 Days

Day: 6.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,101,096 km

• M1: 175,329 km (0.082 R)
• M2: 1,045,091 km (0.059 R)
• M3: 1,782,459 km (0.025 R)
• M4: 2,420,494 km (0.075 R)
• M5: 2,994,052 km (0.109 R)
• M6: 3,538,588 km (0.086 R)
• M7: 4,162,262 km (0.079 R)
• M8: 4,829,318 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.9

Radius: 9.6

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.45 AU - 1.47 AU

Year: 1197 Days

Day: 10.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,101,096 km

• M1: 119,379 km (0.079 R)
• M2: 609,761 km (0.105 R)
• M3: 1,019,958 km (0.038 R)
• M4: 1,582,297 km (0.084 R)
• M5: 2,592,531 km (0.069 R)
• M6: 3,578,231 km (0.119 R)
• M7: 4,098,982 km (0.1 R)
• M8: 4,499,156 km (0.118 R)
• M9: 5,749,495 km (0.09 R)
• M10: 6,743,124 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.6

Radius: 8

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.53 AU - 1.81 AU

Year: 1464 Days

Day: 13.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,101,096 km

• M1: 99,483 km (0.112 R)
• M2: 446,849 km (0.085 R)
• M3: 710,141 km (0.111 R)
• M4: 1,031,777 km (0.1 R)
• M5: 1,522,308 km (0.116 R)
• M6: 1,827,039 km (0.112 R)
• M7: 2,172,311 km (0.114 R)
• M8: 2,521,323 km (0.057 R)
• M9: 2,821,416 km (0.05 R)
• M10: 3,627,150 km (0.084 R)
• M11: 3,903,756 km (0.084 R)
• M12: 4,288,223 km (0.112 R)
• M13: 4,758,259 km (0.103 R)
• M14: 5,305,788 km (0.12 R)
• M15: 6,036,723 km (0.061 R)
• M16: 6,989,661 km (0.088 R)
• M17: 8,214,269 km (0.031 R)
• M18: 8,785,135 km (0.055 R)
• M19: 9,543,746 km (0.078 R)
• M20: 11,779,486 km (0.067 R)
• M21: 12,119,671 km (0.08 R)
• M22: 13,794,719 km (0.041 R)
• M23: 14,046,043 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.3

Radius: 10.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.17 AU - 2.33 AU

Year: 2289 Days

Day: 6.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,101,096 km

• M1: 131,796 km (0.1 R)
• M2: 497,114 km (0.113 R)
• M3: 1,101,340 km (0.098 R)
• M4: 1,534,276 km (0.09 R)
• M5: 2,025,555 km (0.097 R)
• M6: 3,090,094 km (0.079 R)
• M7: 7,524,773 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.1

Radius: 12.8

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.73 AU - 4.65 AU

Year: 5817 Days

Day: 6.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,101,096 km

• M1: 159,172 km (0.104 R)
• M2: 623,374 km (0.102 R)
• M3: 1,055,563 km (0.08 R)
• M4: 1,575,116 km (0.101 R)
• M5: 2,091,378 km (0.046 R)
• M6: 2,760,978 km (0.102 R)
• M7: 4,155,978 km (0.114 R)
• M8: 6,189,761 km (0.109 R)
• M9: 6,605,344 km (0.11 R)
• M10: 7,197,154 km (0.049 R)
• M11: 8,398,873 km (0.083 R)
• M12: 9,282,099 km (0.088 R)
• M13: 10,025,750 km (0.052 R)
• M14: 11,019,828 km (0.115 R)
• M15: 13,123,772 km (0.103 R)

Asteroid Belt

Center: 4.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.6

Radius: 15

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.36 AU - 5.5 AU

Year: 8582 Days

Day: 11.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,101,096 km

• M1: 186,698 km (0.07 R)
• M2: 725,998 km (0.071 R)
• M3: 1,421,778 km (0.119 R)
• M4: 2,488,411 km (0.118 R)
• M5: 3,650,637 km (0.046 R)
• M6: 4,146,853 km (0.101 R)
• M7: 5,251,334 km (0.097 R)
• M8: 7,186,682 km (0.095 R)
• M9: 8,386,157 km (0.099 R)
• M10: 9,370,661 km (0.107 R)
• M11: 10,068,834 km (0.115 R)
• M12: 10,843,302 km (0.116 R)
• M13: 13,311,069 km (0.113 R)
• M14: 14,294,974 km (0.09 R)
• M15: 18,722,024 km (0.057 R)
• M16: 19,894,273 km (0.113 R)
• M17: 21,246,338 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.7

Radius: 5.9

Gravity: 17.06 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.64 AU - 5.76 AU

Year: 9230 Days

Day: 17.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,101,096 km

• M1: 73,453 km (0.081 R)
• M2: 515,365 km (0.069 R)
• M3: 741,108 km (0.092 R)
• M4: 1,043,296 km (0.096 R)
• M5: 1,241,214 km (0.082 R)
• M6: 2,193,853 km (0.115 R)
• M7: 3,010,807 km (0.11 R)
• M8: 3,584,515 km (0.117 R)
• M9: 4,592,505 km (0.093 R)
• M10: 4,797,005 km (0.093 R)
• M11: 5,007,639 km (0.118 R)
• M12: 5,479,620 km (0.117 R)
• M13: 5,878,299 km (0.111 R)
• M14: 6,189,911 km (0.091 R)
• M15: 6,770,949 km (0.045 R)
• M16: 6,959,742 km (0.049 R)
• M17: 8,041,035 km (0.108 R)
• M18: 12,116,231 km (0.046 R)
• M19: 12,678,120 km (0.07 R)
• M20: 12,907,603 km (0.03 R)
• M21: 13,853,511 km (0.103 R)
• M22: 14,781,466 km (0.106 R)
• M23: 15,357,867 km (0.053 R)
• M24: 17,742,008 km (0.114 R)
• M25: 20,362,065 km (0.117 R)
• M26: 21,641,426 km (0.118 R)
• M27: 21,887,216 km (0.119 R)
• M28: 24,007,765 km (0.084 R)
• M29: 27,201,082 km (0.074 R)
• M30: 28,554,045 km (0.114 R)
• M31: 33,752,122 km (0.089 R)
• M32: 43,194,291 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.7

Radius: 7

Gravity: 18.61 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.71 AU - 8.91 AU

Year: 13405 Days

Day: 20.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,101,096 km

• M1: 87,066 km (0.103 R)
• M2: 325,375 km (0.093 R)
• M3: 679,922 km (0.09 R)
• M4: 971,937 km (0.085 R)
• M5: 1,278,314 km (0.091 R)
• M6: 2,284,509 km (0.109 R)
• M7: 2,537,030 km (0.115 R)
• M8: 4,092,399 km (0.104 R)
• M9: 5,690,105 km (0.075 R)
• M10: 6,991,008 km (0.117 R)
• M11: 7,757,398 km (0.026 R)
• M12: 10,166,970 km (0.107 R)
• M13: 10,392,564 km (0.093 R)
• M14: 10,737,387 km (0.112 R)
• M15: 10,971,508 km (0.072 R)
• M16: 11,389,335 km (0.099 R)
• M17: 15,790,654 km (0.087 R)
• M18: 16,555,248 km (0.116 R)
• M19: 20,662,458 km (0.06 R)
• M20: 20,933,978 km (0.105 R)
• M21: 23,289,995 km (0.097 R)
• M22: 24,481,392 km (0.056 R)
• M23: 25,297,898 km (0.109 R)
• M24: 27,746,366 km (0.063 R)
• M25: 29,884,568 km (0.072 R)
• M26: 30,816,862 km (0.111 R)
• M27: 32,862,314 km (0.117 R)
• M28: 39,399,741 km (0.093 R)
• M29: 56,193,299 km (0.11 R)
• M30: 59,419,077 km (0.066 R)
• M31: 64,101,042 km (0.12 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: 436 - 18,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit