🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.44 AU - 0.7 AU

Year: 278 Days

Day: 12.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.3

Radius: 9.6

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.78 AU - 1.2 AU

Year: 636 Days

Day: 14.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,431,132 km

• M1: 119,529 km (0.079 R)
• M2: 501,153 km (0.111 R)
• M3: 803,490 km (0.058 R)
• M4: 1,153,250 km (0.118 R)
• M5: 1,598,902 km (0.112 R)
• M6: 2,972,659 km (0.106 R)
• M7: 3,440,153 km (0.094 R)
• M8: 3,930,834 km (0.101 R)
• M9: 4,619,881 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.8

Radius: 14.1

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.97 AU - 1.37 AU

Year: 817 Days

Day: 11.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,431,132 km

• M1: 175,329 km (0.108 R)
• M2: 684,859 km (0.114 R)
• M3: 1,292,675 km (0.096 R)
• M4: 2,048,294 km (0.119 R)
• M5: 2,971,163 km (0.103 R)
• M6: 3,657,219 km (0.089 R)
• M7: 4,219,558 km (0.069 R)
• M8: 5,071,368 km (0.119 R)
• M9: 5,873,212 km (0.085 R)
• M10: 6,691,962 km (0.07 R)
• M11: 8,224,741 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.2

Radius: 10.3

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.44 AU - 1.66 AU

Year: 1246 Days

Day: 13 Hours

Environment

Temp: -182 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,431,132 km

• M1: 128,355 km (0.072 R)
• M2: 497,563 km (0.03 R)
• M3: 927,806 km (0.051 R)
• M4: 1,491,042 km (0.104 R)
• M5: 1,985,014 km (0.114 R)
• M6: 2,662,244 km (0.088 R)
• M7: 3,141,406 km (0.094 R)
• M8: 3,597,230 km (0.093 R)
• M9: 4,382,021 km (0.1 R)
• M10: 5,012,426 km (0.111 R)
• M11: 6,219,681 km (0.053 R)
• M12: 7,296,636 km (0.054 R)
• M13: 8,210,679 km (0.087 R)
• M14: 9,320,695 km (0.082 R)
• M15: 11,693,916 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.5

Radius: 10.1

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.59 AU - 1.65 AU

Year: 1331 Days

Day: 7.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 65.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,431,132 km

• M1: 125,662 km (0.104 R)
• M2: 526,285 km (0.1 R)
• M3: 1,329,925 km (0.059 R)
• M4: 2,110,527 km (0.101 R)
• M5: 2,975,651 km (0.102 R)
• M6: 3,668,140 km (0.089 R)
• M7: 4,198,763 km (0.095 R)
• M8: 4,611,205 km (0.076 R)
• M9: 5,559,655 km (0.073 R)
• M10: 5,903,132 km (0.07 R)
• M11: 6,260,820 km (0.097 R)
• M12: 6,776,484 km (0.089 R)
• M13: 7,447,730 km (0.092 R)
• M14: 8,466,791 km (0.091 R)
• M15: 9,698,430 km (0.1 R)
• M16: 10,518,525 km (0.092 R)
• M17: 11,555,987 km (0.12 R)

Asteroid Belt

Center: 2.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.2

Radius: 12.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.02 AU - 3.08 AU

Year: 2629 Days

Day: 10.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,431,132 km

• M1: 160,369 km (0.12 R)
• M2: 943,065 km (0.061 R)
• M3: 2,037,523 km (0.031 R)
• M4: 2,542,266 km (0.055 R)
• M5: 3,182,246 km (0.117 R)
• M6: 4,700,365 km (0.108 R)
• M7: 5,649,564 km (0.084 R)
• M8: 8,789,174 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.2

Radius: 8.2

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.61 AU - 4.45 AU

Year: 5224 Days

Day: 13.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,431,132 km

• M1: 102,026 km (0.088 R)
• M2: 474,674 km (0.068 R)
• M3: 750,084 km (0.114 R)
• M4: 1,688,511 km (0.091 R)
• M5: 2,592,681 km (0.096 R)
• M6: 2,894,719 km (0.041 R)
• M7: 4,060,984 km (0.097 R)
• M8: 5,775,675 km (0.114 R)
• M9: 6,169,416 km (0.107 R)
• M10: 7,078,074 km (0.041 R)
• M11: 8,374,040 km (0.119 R)
• M12: 8,839,140 km (0.109 R)
• M13: 10,077,810 km (0.092 R)
• M14: 11,759,889 km (0.092 R)
• M15: 12,692,781 km (0.073 R)
• M16: 14,156,147 km (0.114 R)
• M17: 14,928,671 km (0.099 R)
• M18: 15,325,255 km (0.046 R)
• M19: 16,139,665 km (0.111 R)
• M20: 16,497,354 km (0.089 R)
• M21: 18,108,822 km (0.078 R)
• M22: 19,084,948 km (0.112 R)
• M23: 20,233,112 km (0.116 R)
• M24: 21,070,710 km (0.078 R)
• M25: 21,642,025 km (0.107 R)
• M26: 22,592,121 km (0.104 R)
• M27: 24,418,860 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.1

Radius: 5

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.76 AU - 10.64 AU

Year: 16569 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,431,132 km

• M1: 64,327 km (0.119 R)
• M2: 267,631 km (0.102 R)
• M3: 531,671 km (0.107 R)
• M4: 747,391 km (0.064 R)
• M5: 1,270,535 km (0.055 R)
• M6: 1,463,666 km (0.069 R)
• M7: 2,422,289 km (0.09 R)
• M8: 5,477,077 km (0.108 R)
• M9: 7,358,270 km (0.085 R)
• M10: 7,984,487 km (0.088 R)
• M11: 10,227,408 km (0.072 R)
• M12: 10,900,299 km (0.112 R)
• M13: 13,215,625 km (0.114 R)
• M14: 14,455,642 km (0.097 R)
• M15: 22,515,228 km (0.08 R)
• M16: 28,676,416 km (0.05 R)
• M17: 31,062,651 km (0.074 R)
• M18: 37,419,215 km (0.117 R)
• M19: 38,885,723 km (0.076 R)
• M20: 41,156,469 km (0.116 R)
• M21: 45,684,048 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.4

Radius: 3.4

Gravity: 49.6 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 10.51 AU - 10.79 AU

Year: 22441 Days

Day: 24.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,431,132 km

• M1: 53,855 km (0.112 R)
• M2: 220,208 km (0.101 R)
• M3: 365,318 km (0.08 R)
• M4: 708,944 km (0.047 R)
• M5: 1,531,882 km (0.12 R)
• M6: 1,669,363 km (0.113 R)
• M7: 1,988,904 km (0.082 R)
• M8: 2,173,807 km (0.112 R)
• M9: 3,563,421 km (0.093 R)
• M10: 5,298,308 km (0.065 R)
• M11: 5,858,103 km (0.096 R)
• M12: 6,589,786 km (0.111 R)
• M13: 8,547,424 km (0.111 R)
• M14: 9,202,812 km (0.091 R)
• M15: 11,892,881 km (0.065 R)
• M16: 13,926,365 km (0.103 R)
• M17: 15,063,758 km (0.076 R)
• M18: 15,456,302 km (0.114 R)
• M19: 19,118,009 km (0.054 R)
• M20: 21,295,257 km (0.069 R)
• M21: 24,807,815 km (0.115 R)
• M22: 28,329,947 km (0.083 R)
• M23: 34,014,068 km (0.112 R)
• M24: 37,764,935 km (0.085 R)
• M25: 41,782,236 km (0.065 R)
• M26: 45,421,205 km (0.062 R)
• M27: 55,523,699 km (0.111 R)
• M28: 55,709,798 km (0.045 R)
• M29: 59,132,747 km (0.081 R)
• M30: 64,320,203 km (0.025 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: 487 - 16,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit