🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.3

Radius: 13.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.83 AU - 0.95 AU

Year: 560 Days

Day: 9 Hours

Environment

Temp: -165 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,444,272 km

• M1: 172,935 km (0.05 R)
• M2: 634,445 km (0.068 R)
• M3: 1,161,029 km (0.069 R)
• M4: 1,688,661 km (0.105 R)
• M5: 2,152,115 km (0.104 R)
• M6: 2,875,570 km (0.092 R)
• M7: 3,624,457 km (0.096 R)
• M8: 4,424,507 km (0.119 R)
• M9: 4,891,402 km (0.038 R)
• M10: 5,356,801 km (0.102 R)
• M11: 6,975,599 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.1

Radius: 14.6

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.83 AU - 2.23 AU

Year: 1929 Days

Day: 13.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 99.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,444,272 km

• M1: 181,612 km (0.113 R)
• M2: 800,349 km (0.055 R)
• M3: 1,323,941 km (0.096 R)
• M4: 3,282,476 km (0.081 R)
• M5: 4,004,735 km (0.069 R)
• M6: 6,194,399 km (0.072 R)
• M7: 8,923,363 km (0.102 R)
• M8: 10,181,481 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.8

Radius: 14.4

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.4 AU - 3.96 AU

Year: 3782 Days

Day: 8.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,444,272 km

• M1: 179,069 km (0.098 R)
• M2: 1,754,035 km (0.072 R)
• M3: 2,539,125 km (0.092 R)
• M4: 2,996,445 km (0.12 R)
• M5: 4,472,228 km (0.064 R)
• M6: 5,120,286 km (0.1 R)
• M7: 5,604,983 km (0.107 R)
• M8: 6,512,444 km (0.11 R)
• M9: 7,280,629 km (0.064 R)
• M10: 9,829,777 km (0.053 R)
• M11: 10,711,656 km (0.109 R)
• M12: 12,730,330 km (0.104 R)
• M13: 14,561,857 km (0.072 R)
• M14: 17,812,618 km (0.115 R)
• M15: 18,304,795 km (0.082 R)
• M16: 21,244,094 km (0.1 R)
• M17: 24,560,679 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.1

Radius: 14.3

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.07 AU - 3.55 AU

Year: 4016 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,444,272 km

• M1: 185,501 km (0.052 R)
• M2: 641,326 km (0.081 R)
• M3: 3,276,642 km (0.041 R)
• M4: 3,864,861 km (0.091 R)
• M5: 4,408,350 km (0.115 R)
• M6: 5,516,571 km (0.042 R)
• M7: 6,122,442 km (0.043 R)
• M8: 6,895,714 km (0.067 R)
• M9: 14,661,339 km (0.064 R)
• M10: 16,211,921 km (0.098 R)
• M11: 18,953,452 km (0.118 R)
• M12: 24,454,166 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.1

Radius: 12

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.23 AU - 5.05 AU

Year: 5617 Days

Day: 12.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,444,272 km

• M1: 149,299 km (0.117 R)
• M2: 656,136 km (0.109 R)
• M3: 1,116,150 km (0.117 R)
• M4: 1,498,522 km (0.113 R)
• M5: 2,457,594 km (0.081 R)
• M6: 3,219,795 km (0.118 R)
• M7: 4,039,442 km (0.105 R)
• M8: 4,993,577 km (0.077 R)
• M9: 5,437,883 km (0.1 R)
• M10: 7,240,387 km (0.117 R)
• M11: 7,665,844 km (0.115 R)
• M12: 8,763,294 km (0.117 R)
• M13: 9,537,163 km (0.109 R)
• M14: 9,962,620 km (0.09 R)
• M15: 11,362,557 km (0.094 R)
• M16: 13,148,306 km (0.08 R)
• M17: 13,836,905 km (0.109 R)
• M18: 15,114,172 km (0.12 R)
• M19: 22,327,781 km (0.103 R)
• M20: 23,079,660 km (0.112 R)
• M21: 26,505,900 km (0.109 R)
• M22: 27,348,735 km (0.083 R)
• M23: 28,646,496 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.3

Radius: 5.5

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 10.71 AU - 10.89 AU

Year: 23668 Days

Day: 17.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,444,272 km

• M1: 68,366 km (0.103 R)
• M2: 560,094 km (0.086 R)
• M3: 1,025,793 km (0.109 R)
• M4: 1,529,937 km (0.117 R)
• M5: 1,786,348 km (0.073 R)
• M6: 1,997,132 km (0.044 R)
• M7: 2,324,452 km (0.098 R)
• M8: 3,012,602 km (0.068 R)
• M9: 5,296,812 km (0.072 R)
• M10: 5,549,183 km (0.114 R)
• M11: 6,557,473 km (0.096 R)
• M12: 7,018,683 km (0.077 R)
• M13: 7,235,451 km (0.097 R)
• M14: 8,194,971 km (0.043 R)
• M15: 9,082,536 km (0.067 R)
• M16: 14,083,742 km (0.107 R)
• M17: 14,498,577 km (0.057 R)
• M18: 16,850,255 km (0.101 R)
• M19: 18,689,711 km (0.104 R)
• M20: 19,359,610 km (0.075 R)
• M21: 19,614,974 km (0.106 R)
• M22: 24,903,408 km (0.098 R)
• M23: 25,816,853 km (0.117 R)
• M24: 26,857,755 km (0.114 R)
• M25: 29,023,034 km (0.118 R)
• M26: 30,376,596 km (0.043 R)
• M27: 32,845,559 km (0.116 R)
• M28: 36,470,465 km (0.078 R)
• M29: 40,491,805 km (0.09 R)
• M30: 43,914,006 km (0.055 R)
• M31: 47,370,166 km (0.079 R)
• M32: 53,804,669 km (0.085 R)
• M33: 56,533,634 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.3

Radius: 4

Gravity: 14.46 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 9.15 AU - 12.51 AU

Year: 23767 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,444,272 km

• M1: 49,816 km (0.097 R)
• M2: 219,759 km (0.064 R)
• M3: 362,625 km (0.059 R)
• M4: 496,964 km (0.063 R)
• M5: 1,167,611 km (0.06 R)
• M6: 2,051,286 km (0.075 R)
• M7: 3,107,297 km (0.09 R)
• M8: 3,257,643 km (0.095 R)
• M9: 3,518,991 km (0.072 R)
• M10: 4,577,096 km (0.063 R)
• M11: 7,974,913 km (0.111 R)
• M12: 10,991,404 km (0.098 R)
• M13: 13,267,686 km (0.099 R)
• M14: 14,550,338 km (0.117 R)
• M15: 16,061,725 km (0.069 R)
• M16: 16,285,823 km (0.117 R)
• M17: 20,950,434 km (0.087 R)
• M18: 21,397,582 km (0.065 R)
• M19: 22,496,827 km (0.066 R)
• M20: 22,871,570 km (0.117 R)
• M21: 23,633,322 km (0.107 R)
• M22: 25,006,780 km (0.088 R)
• M23: 32,678,308 km (0.089 R)
• M24: 37,434,025 km (0.092 R)
• M25: 39,567,290 km (0.075 R)
• M26: 43,348,377 km (0.04 R)
• M27: 44,513,295 km (0.094 R)
• M28: 49,697,460 km (0.115 R)
• M29: 57,505,721 km (0.101 R)
• M30: 57,855,032 km (0.108 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 19,888 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit