🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.3

Radius: 12.4

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.47 AU - 0.61 AU

Year: 274 Days

Day: 7.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 80,079,276 km

• M1: 154,235 km (0.084 R)
• M2: 629,209 km (0.096 R)
• M3: 1,057,507 km (0.082 R)
• M4: 1,557,912 km (0.066 R)
• M5: 1,975,290 km (0.109 R)
• M6: 2,698,147 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.6

Radius: 14.9

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.07 AU - 1.69 AU

Year: 1119 Days

Day: 10.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,079,276 km

• M1: 186,848 km (0.116 R)
• M2: 661,223 km (0.071 R)
• M3: 1,254,229 km (0.044 R)
• M4: 2,320,413 km (0.089 R)
• M5: 3,037,585 km (0.108 R)
• M6: 4,199,661 km (0.104 R)
• M7: 5,121,334 km (0.117 R)
• M8: 6,069,186 km (0.105 R)
• M9: 7,560,377 km (0.082 R)
• M10: 8,576,296 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.8

Radius: 11.6

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.12 AU - 1.84 AU

Year: 1243 Days

Day: 13.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,079,276 km

• M1: 146,008 km (0.083 R)
• M2: 526,585 km (0.118 R)
• M3: 1,247,646 km (0.106 R)
• M4: 1,985,014 km (0.107 R)
• M5: 2,542,865 km (0.107 R)
• M6: 3,048,805 km (0.091 R)
• M7: 3,811,455 km (0.109 R)
• M8: 4,317,095 km (0.106 R)
• M9: 4,943,761 km (0.103 R)
• M10: 5,319,999 km (0.044 R)
• M11: 6,085,641 km (0.11 R)
• M12: 8,827,471 km (0.119 R)
• M13: 9,624,379 km (0.09 R)
• M14: 10,118,950 km (0.119 R)
• M15: 10,892,520 km (0.087 R)
• M16: 11,670,429 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.9

Radius: 8.4

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.35 AU - 2.21 AU

Year: 1639 Days

Day: 8.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,079,276 km

• M1: 104,419 km (0.063 R)
• M2: 494,122 km (0.112 R)
• M3: 825,930 km (0.071 R)
• M4: 1,108,071 km (0.081 R)
• M5: 1,779,317 km (0.093 R)
• M6: 2,413,462 km (0.055 R)
• M7: 2,740,184 km (0.092 R)
• M8: 3,334,686 km (0.104 R)
• M9: 4,086,864 km (0.119 R)
• M10: 6,522,168 km (0.059 R)
• M11: 6,836,024 km (0.116 R)
• M12: 7,465,981 km (0.029 R)
• M13: 7,955,914 km (0.047 R)
• M14: 8,344,868 km (0.055 R)
• M15: 9,291,225 km (0.119 R)
• M16: 9,824,242 km (0.032 R)
• M17: 10,377,604 km (0.119 R)
• M18: 11,660,406 km (0.115 R)
• M19: 12,006,576 km (0.053 R)
• M20: 14,186,815 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.9

Radius: 15

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.35 AU - 3.75 AU

Year: 3677 Days

Day: 10.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,079,276 km

• M1: 186,848 km (0.085 R)
• M2: 942,018 km (0.064 R)
• M3: 1,470,697 km (0.086 R)
• M4: 2,173,358 km (0.04 R)
• M5: 3,186,734 km (0.05 R)
• M6: 4,449,489 km (0.071 R)
• M7: 5,654,949 km (0.031 R)
• M8: 7,101,112 km (0.087 R)
• M9: 7,841,322 km (0.103 R)
• M10: 8,632,695 km (0.039 R)
• M11: 11,151,923 km (0.109 R)
• M12: 12,106,806 km (0.041 R)
• M13: 13,818,954 km (0.07 R)
• M14: 16,595,939 km (0.114 R)
• M15: 19,083,752 km (0.119 R)
• M16: 19,661,499 km (0.074 R)
• M17: 20,516,750 km (0.091 R)
• M18: 23,377,210 km (0.068 R)
• M19: 24,262,531 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.6

Radius: 12.8

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.68 AU - 4.32 AU

Year: 5522 Days

Day: 13 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,079,276 km

• M1: 159,172 km (0.076 R)
• M2: 566,078 km (0.106 R)
• M3: 1,003,353 km (0.105 R)
• M4: 1,483,412 km (0.09 R)
• M5: 2,450,413 km (0.064 R)
• M6: 2,912,371 km (0.109 R)
• M7: 4,749,882 km (0.053 R)
• M8: 5,698,632 km (0.07 R)
• M9: 6,218,484 km (0.114 R)
• M10: 6,999,385 km (0.097 R)
• M11: 8,002,588 km (0.104 R)
• M12: 9,134,296 km (0.086 R)
• M13: 9,738,672 km (0.11 R)
• M14: 10,256,430 km (0.058 R)
• M15: 12,172,480 km (0.096 R)
• M16: 13,439,873 km (0.113 R)
• M17: 14,601,500 km (0.058 R)
• M18: 16,082,519 km (0.051 R)
• M19: 17,607,221 km (0.119 R)
• M20: 19,111,427 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.1

Radius: 4.1

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.41 AU - 9.55 AU

Year: 17045 Days

Day: 19.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,079,276 km

• M1: 51,462 km (0.028 R)
• M2: 299,046 km (0.073 R)
• M3: 715,227 km (0.104 R)
• M4: 1,582,147 km (0.09 R)
• M5: 2,122,195 km (0.113 R)
• M6: 4,645,762 km (0.075 R)
• M7: 5,235,028 km (0.103 R)
• M8: 5,598,102 km (0.115 R)
• M9: 6,597,864 km (0.111 R)
• M10: 8,944,008 km (0.038 R)
• M11: 9,130,257 km (0.082 R)
• M12: 10,819,367 km (0.03 R)
• M13: 11,298,978 km (0.079 R)
• M14: 11,462,039 km (0.045 R)
• M15: 15,127,037 km (0.109 R)
• M16: 15,325,105 km (0.116 R)
• M17: 17,619,637 km (0.052 R)
• M18: 18,734,441 km (0.116 R)
• M19: 20,133,181 km (0.118 R)
• M20: 22,359,496 km (0.076 R)
• M21: 23,576,026 km (0.063 R)
• M22: 27,196,594 km (0.092 R)
• M23: 27,489,506 km (0.116 R)
• M24: 36,809,304 km (0.115 R)
• M25: 41,652,086 km (0.117 R)
• M26: 44,427,576 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 913.5

Radius: 4.6

Gravity: 43.17 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.59 AU - 9.45 AU

Year: 18699 Days

Day: 17.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,079,276 km

• M1: 57,296 km (0.101 R)
• M2: 296,204 km (0.066 R)
• M3: 563,834 km (0.049 R)
• M4: 1,095,655 km (0.034 R)
• M5: 1,368,521 km (0.054 R)
• M6: 1,580,352 km (0.061 R)
• M7: 2,654,913 km (0.111 R)
• M8: 2,880,956 km (0.106 R)
• M9: 3,853,342 km (0.105 R)
• M10: 5,694,293 km (0.118 R)
• M11: 6,375,263 km (0.052 R)
• M12: 6,873,873 km (0.11 R)
• M13: 7,496,050 km (0.061 R)
• M14: 7,846,259 km (0.042 R)
• M15: 8,633,293 km (0.111 R)
• M16: 10,180,434 km (0.1 R)
• M17: 10,486,063 km (0.093 R)
• M18: 12,448,936 km (0.111 R)
• M19: 12,657,775 km (0.096 R)
• M20: 15,111,928 km (0.115 R)
• M21: 16,659,817 km (0.11 R)
• M22: 23,909,928 km (0.095 R)
• M23: 30,300,151 km (0.026 R)
• M24: 32,091,286 km (0.068 R)
• M25: 36,447,726 km (0.073 R)
• M26: 37,450,630 km (0.091 R)
• M27: 39,661,238 km (0.08 R)
• M28: 41,957,266 km (0.08 R)
• M29: 46,477,515 km (0.115 R)
• M30: 48,682,289 km (0.073 R)
• M31: 50,248,878 km (0.113 R)
• M32: 51,311,621 km (0.109 R)
• M33: 64,009,189 km (0.112 R)
• M34: 69,100,304 km (0.085 R)
• M35: 76,998,772 km (0.214 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 15,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit