🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.2

Radius: 11.6

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.41 AU - 0.63 AU

Year: 254 Days

Day: 9.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,642,289 km

• M1: 147,204 km (0.037 R)
• M2: 539,749 km (0.109 R)
• M3: 908,657 km (0.083 R)
• M4: 1,507,498 km (0.056 R)
• M5: 1,977,235 km (0.12 R)
• M6: 2,528,802 km (0.108 R)
• M7: 2,980,289 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.1

Radius: 8.3

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.6 AU - 0.72 AU

Year: 364 Days

Day: 11.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,642,289 km

• M1: 103,223 km (0.09 R)
• M2: 395,986 km (0.106 R)
• M3: 678,277 km (0.094 R)
• M4: 994,227 km (0.108 R)
• M5: 1,291,179 km (0.12 R)
• M6: 1,793,828 km (0.118 R)
• M7: 2,849,241 km (0.095 R)
• M8: 3,286,665 km (0.083 R)
• M9: 3,595,435 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990

Radius: 8.9

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.61 AU - 2.21 AU

Year: 1790 Days

Day: 7.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,642,289 km

• M1: 111,151 km (0.117 R)
• M2: 510,877 km (0.032 R)
• M3: 942,467 km (0.104 R)
• M4: 1,230,143 km (0.066 R)
• M5: 1,577,659 km (0.088 R)
• M6: 2,353,025 km (0.052 R)
• M7: 2,804,062 km (0.077 R)
• M8: 3,750,119 km (0.089 R)
• M9: 4,306,624 km (0.097 R)
• M10: 4,657,879 km (0.03 R)
• M11: 6,284,457 km (0.088 R)
• M12: 6,819,419 km (0.048 R)
• M13: 9,100,038 km (0.033 R)
• M14: 11,142,498 km (0.117 R)
• M15: 11,846,506 km (0.105 R)
• M16: 16,110,793 km (0.11 R)
• M17: 16,556,595 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.6

Radius: 9.1

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.36 AU - 3.82 AU

Year: 4614 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,642,289 km

• M1: 113,246 km (0.112 R)
• M2: 473,328 km (0.112 R)
• M3: 1,191,697 km (0.109 R)
• M4: 1,929,214 km (0.056 R)
• M5: 2,413,612 km (0.114 R)
• M6: 5,378,791 km (0.058 R)
• M7: 6,773,492 km (0.11 R)
• M8: 7,318,926 km (0.097 R)
• M9: 8,881,925 km (0.109 R)
• M10: 11,605,204 km (0.079 R)
• M11: 14,102,142 km (0.12 R)
• M12: 16,718,759 km (0.108 R)
• M13: 18,574,670 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.4

Radius: 11.9

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.23 AU - 4.69 AU

Year: 6388 Days

Day: 14.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,642,289 km

• M1: 162,314 km (0.093 R)
• M2: 617,091 km (0.119 R)
• M3: 1,050,327 km (0.111 R)
• M4: 1,580,801 km (0.091 R)
• M5: 2,286,903 km (0.12 R)
• M6: 3,563,571 km (0.097 R)
• M7: 4,733,875 km (0.115 R)
• M8: 9,178,129 km (0.107 R)
• M9: 13,327,824 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.6

Radius: 12.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.96 AU - 6.46 AU

Year: 8066 Days

Day: 11 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,642,289 km

• M1: 159,322 km (0.111 R)
• M2: 644,617 km (0.111 R)
• M3: 1,225,655 km (0.069 R)
• M4: 2,323,255 km (0.106 R)
• M5: 2,970,565 km (0.113 R)
• M6: 3,599,325 km (0.09 R)
• M7: 4,115,737 km (0.05 R)
• M8: 5,536,168 km (0.086 R)
• M9: 6,097,460 km (0.06 R)
• M10: 6,627,934 km (0.114 R)
• M11: 8,090,253 km (0.115 R)
• M12: 9,235,275 km (0.072 R)
• M13: 13,102,380 km (0.027 R)
• M14: 14,854,769 km (0.077 R)
• M15: 15,331,388 km (0.058 R)
• M16: 18,682,380 km (0.095 R)
• M17: 20,675,623 km (0.075 R)
• M18: 22,650,015 km (0.113 R)
• M19: 23,202,331 km (0.065 R)
• M20: 23,682,989 km (0.114 R)
• M21: 25,928,453 km (0.103 R)
• M22: 26,533,127 km (0.078 R)
• M23: 29,231,424 km (0.06 R)
• M24: 33,006,377 km (0.102 R)
• M25: 33,819,142 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.5

Radius: 8.1

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.51 AU - 5.95 AU

Year: 8112 Days

Day: 7.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,642,289 km

• M1: 101,278 km (0.051 R)
• M2: 401,371 km (0.114 R)
• M3: 795,113 km (0.091 R)
• M4: 1,093,710 km (0.108 R)
• M5: 1,599,052 km (0.12 R)
• M6: 2,237,685 km (0.08 R)
• M7: 3,198,103 km (0.069 R)
• M8: 3,599,026 km (0.12 R)
• M9: 3,926,795 km (0.106 R)
• M10: 4,319,339 km (0.079 R)
• M11: 4,642,620 km (0.076 R)
• M12: 7,475,106 km (0.091 R)
• M13: 12,498,752 km (0.1 R)
• M14: 12,919,272 km (0.045 R)
• M15: 15,376,268 km (0.087 R)
• M16: 16,518,746 km (0.116 R)
• M17: 18,667,720 km (0.111 R)
• M18: 20,030,257 km (0.115 R)
• M19: 20,800,836 km (0.096 R)

Asteroid Belt

Center: 5.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.8

Radius: 3.5

Gravity: 37.94 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.19 AU - 7.27 AU

Year: 10547 Days

Day: 21.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 43,642,289 km

• M1: 43,533 km (0.101 R)
• M2: 170,990 km (0.05 R)
• M3: 302,038 km (0.114 R)
• M4: 646,263 km (0.116 R)
• M5: 818,749 km (0.078 R)
• M6: 1,244,355 km (0.111 R)
• M7: 1,596,209 km (0.068 R)
• M8: 1,712,148 km (0.077 R)
• M9: 1,977,684 km (0.099 R)
• M10: 2,163,634 km (0.1 R)
• M11: 2,379,653 km (0.112 R)
• M12: 2,750,955 km (0.092 R)
• M13: 3,159,657 km (0.119 R)
• M14: 4,204,747 km (0.069 R)
• M15: 4,657,281 km (0.087 R)
• M16: 4,956,177 km (0.108 R)
• M17: 5,141,529 km (0.054 R)
• M18: 5,331,519 km (0.103 R)
• M19: 5,460,771 km (0.117 R)
• M20: 6,497,634 km (0.108 R)
• M21: 7,297,235 km (0.06 R)
• M22: 7,659,261 km (0.07 R)
• M23: 9,602,837 km (0.086 R)
• M24: 10,790,195 km (0.095 R)
• M25: 10,997,239 km (0.114 R)
• M26: 13,812,970 km (0.099 R)
• M27: 14,679,740 km (0.096 R)
• M28: 15,126,439 km (0.111 R)
• M29: 16,865,215 km (0.062 R)
• M30: 17,074,054 km (0.082 R)
• M31: 19,333,879 km (0.073 R)
• M32: 32,790,058 km (0.1 R)
• M33: 40,702,589 km (0.115 R)
• M34: 41,204,041 km (0.09 R)
• M35: 41,582,823 km (0.091 R)
• M36: 41,963,998 km (0.091 R)
• M37: 43,121,137 km (0.095 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 14,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit