🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.6

Radius: 13.3

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.39 AU - 0.63 AU

Year: 251 Days

Day: 10.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,310,673 km

• M1: 165,455 km (0.054 R)
• M2: 716,275 km (0.119 R)
• M3: 1,587,682 km (0.107 R)
• M4: 2,077,166 km (0.084 R)
• M5: 2,922,245 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13

Radius: 11.8

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.46 AU - 0.7 AU

Year: 305 Days

Day: 11.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 41,310,673 km

• M1: 149,747 km (0.071 R)
• M2: 532,568 km (0.074 R)
• M3: 1,015,321 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433

Radius: 14

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.68 AU - 0.68 AU

Year: 387 Days

Day: 5 Hours

Environment

Temp: -152 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,310,673 km

• M1: 174,132 km (0.11 R)
• M2: 675,434 km (0.042 R)
• M3: 1,208,003 km (0.102 R)
• M4: 1,695,841 km (0.095 R)
• M5: 2,366,788 km (0.07 R)
• M6: 2,803,614 km (0.055 R)
• M7: 3,601,270 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.9

Radius: 11.5

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.55 AU - 0.81 AU

Year: 387 Days

Day: 11.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,310,673 km

• M1: 143,913 km (0.115 R)
• M2: 580,739 km (0.061 R)
• M3: 1,191,547 km (0.091 R)
• M4: 1,848,282 km (0.119 R)
• M5: 2,529,251 km (0.099 R)
• M6: 3,013,948 km (0.094 R)
• M7: 3,429,382 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.8

Radius: 14

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.68 AU - 0.7 AU

Year: 396 Days

Day: 7.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,310,673 km

• M1: 174,132 km (0.081 R)
• M2: 621,579 km (0.025 R)
• M3: 1,128,417 km (0.098 R)
• M4: 1,699,881 km (0.05 R)
• M5: 2,205,671 km (0.052 R)
• M6: 2,663,740 km (0.074 R)
• M7: 3,699,855 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.9

Radius: 9.9

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.74 AU - 3.14 AU

Year: 3480 Days

Day: 13.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,310,673 km

• M1: 124,017 km (0.12 R)
• M2: 515,065 km (0.067 R)
• M3: 857,645 km (0.107 R)
• M4: 1,652,308 km (0.079 R)
• M5: 2,169,917 km (0.109 R)
• M6: 3,239,841 km (0.118 R)
• M7: 4,165,403 km (0.111 R)
• M8: 9,018,956 km (0.116 R)
• M9: 16,840,980 km (0.099 R)
• M10: 17,900,283 km (0.113 R)
• M11: 20,543,827 km (0.119 R)
• M12: 22,444,468 km (0.081 R)
• M13: 23,365,542 km (0.114 R)
• M14: 24,311,599 km (0.061 R)
• M15: 25,358,784 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.6

Radius: 14.8

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.34 AU - 5.48 AU

Year: 7510 Days

Day: 10.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,310,673 km

• M1: 184,005 km (0.092 R)
• M2: 662,569 km (0.115 R)
• M3: 1,157,140 km (0.119 R)
• M4: 1,865,485 km (0.089 R)
• M5: 2,654,913 km (0.114 R)
• M6: 4,037,796 km (0.102 R)
• M7: 4,612,252 km (0.104 R)
• M8: 5,086,328 km (0.094 R)
• M9: 5,560,403 km (0.073 R)
• M10: 6,168,519 km (0.042 R)
• M11: 7,320,273 km (0.098 R)
• M12: 8,479,806 km (0.084 R)
• M13: 9,710,996 km (0.107 R)
• M14: 10,394,658 km (0.056 R)
• M15: 14,431,707 km (0.116 R)
• M16: 15,518,984 km (0.078 R)
• M17: 15,982,289 km (0.099 R)
• M18: 17,146,160 km (0.04 R)
• M19: 18,513,036 km (0.057 R)
• M20: 20,499,845 km (0.058 R)
• M21: 23,050,190 km (0.118 R)
• M22: 27,406,480 km (0.086 R)
• M23: 30,598,300 km (0.082 R)
• M24: 37,592,150 km (0.119 R)
• M25: 38,309,322 km (0.092 R)
• M26: 44,511,350 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.9

Radius: 6.2

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.85 AU - 6.49 AU

Year: 9319 Days

Day: 24.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,310,673 km

• M1: 98,286 km (0.119 R)
• M2: 553,063 km (0.055 R)
• M3: 1,403,078 km (0.073 R)
• M4: 1,613,413 km (0.104 R)
• M5: 2,251,598 km (0.107 R)
• M6: 2,898,160 km (0.09 R)
• M7: 3,541,879 km (0.099 R)
• M8: 3,735,160 km (0.113 R)
• M9: 3,961,202 km (0.118 R)
• M10: 4,957,973 km (0.098 R)
• M11: 5,709,253 km (0.11 R)
• M12: 6,146,528 km (0.108 R)
• M13: 8,374,489 km (0.109 R)
• M14: 9,162,870 km (0.106 R)
• M15: 9,482,411 km (0.108 R)
• M16: 10,338,410 km (0.057 R)
• M17: 11,090,139 km (0.074 R)
• M18: 11,824,216 km (0.067 R)
• M19: 13,800,104 km (0.106 R)
• M20: 14,402,834 km (0.066 R)
• M21: 15,022,917 km (0.071 R)
• M22: 15,531,700 km (0.082 R)
• M23: 16,183,647 km (0.117 R)
• M24: 21,268,030 km (0.077 R)
• M25: 22,316,562 km (0.05 R)
• M26: 24,082,564 km (0.108 R)
• M27: 24,691,428 km (0.069 R)
• M28: 25,668,751 km (0.093 R)
• M29: 32,080,665 km (0.1 R)
• M30: 37,709,883 km (0.046 R)
• M31: 39,603,044 km (0.08 R)
• M32: 40,695,258 km (0.091 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: 214 - 12,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit