🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.3

Radius: 10.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.57 AU - 0.75 AU

Year: 358 Days

Day: 11.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,981,965 km

• M1: 134,339 km (0.118 R)
• M2: 566,976 km (0.062 R)
• M3: 938,128 km (0.095 R)
• M4: 1,396,646 km (0.07 R)
• M5: 1,765,404 km (0.039 R)
• M6: 2,318,917 km (0.11 R)
• M7: 2,918,206 km (0.104 R)
• M8: 3,412,028 km (0.11 R)
• M9: 3,844,366 km (0.059 R)
• M10: 4,226,289 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.7

Radius: 12.4

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.68 AU - 0.72 AU

Year: 391 Days

Day: 8.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,981,965 km

• M1: 154,235 km (0.113 R)
• M2: 564,134 km (0.066 R)
• M3: 1,056,311 km (0.114 R)
• M4: 1,507,498 km (0.092 R)
• M5: 1,900,491 km (0.084 R)
• M6: 2,921,796 km (0.08 R)
• M7: 3,580,176 km (0.12 R)
• M8: 4,018,797 km (0.118 R)
• M9: 4,406,704 km (0.107 R)
• M10: 5,793,626 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.1

Radius: 12.5

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.54 AU - 1.64 AU

Year: 1337 Days

Day: 10.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,981,965 km

• M1: 155,432 km (0.079 R)
• M2: 685,009 km (0.065 R)
• M3: 1,084,585 km (0.065 R)
• M4: 1,535,173 km (0.094 R)
• M5: 2,018,225 km (0.069 R)
• M6: 2,578,319 km (0.109 R)
• M7: 3,044,466 km (0.112 R)
• M8: 3,490,717 km (0.097 R)
• M9: 4,013,860 km (0.104 R)
• M10: 4,607,465 km (0.085 R)
• M11: 5,649,264 km (0.102 R)
• M12: 6,396,506 km (0.102 R)
• M13: 8,114,936 km (0.108 R)
• M14: 8,980,061 km (0.087 R)
• M15: 11,599,669 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.5

Radius: 14.7

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.4 AU - 1.88 AU

Year: 1401 Days

Day: 8.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,981,965 km

• M1: 182,809 km (0.099 R)
• M2: 644,468 km (0.045 R)
• M3: 1,178,382 km (0.105 R)
• M4: 1,665,024 km (0.057 R)
• M5: 2,161,240 km (0.116 R)
• M6: 2,637,710 km (0.05 R)
• M7: 4,360,928 km (0.114 R)
• M8: 5,090,965 km (0.112 R)
• M9: 5,651,808 km (0.095 R)
• M10: 6,134,709 km (0.101 R)
• M11: 6,695,402 km (0.111 R)
• M12: 7,210,767 km (0.093 R)
• M13: 8,766,286 km (0.09 R)
• M14: 9,543,447 km (0.096 R)
• M15: 10,536,028 km (0.115 R)
• M16: 11,523,674 km (0.078 R)
• M17: 12,115,333 km (0.105 R)
• M18: 13,080,239 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.6

Radius: 9.5

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.64 AU - 2.5 AU

Year: 1986 Days

Day: 12.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,981,965 km

• M1: 118,182 km (0.108 R)
• M2: 426,354 km (0.098 R)
• M3: 724,054 km (0.087 R)
• M4: 1,214,884 km (0.059 R)
• M5: 1,833,771 km (0.059 R)
• M6: 2,429,320 km (0.08 R)
• M7: 2,731,508 km (0.115 R)
• M8: 3,029,506 km (0.065 R)
• M9: 3,444,940 km (0.1 R)
• M10: 3,897,922 km (0.088 R)
• M11: 5,368,170 km (0.049 R)
• M12: 5,978,529 km (0.115 R)
• M13: 6,659,798 km (0.049 R)
• M14: 7,749,469 km (0.115 R)
• M15: 8,292,958 km (0.104 R)
• M16: 8,709,588 km (0.103 R)
• M17: 9,140,131 km (0.102 R)
• M18: 10,144,082 km (0.088 R)
• M19: 10,517,478 km (0.113 R)
• M20: 11,766,920 km (0.12 R)
• M21: 13,152,645 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.2

Radius: 11.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.45 AU - 6.59 AU

Year: 8648 Days

Day: 11.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,981,965 km

• M1: 146,756 km (0.115 R)
• M2: 725,699 km (0.117 R)
• M3: 1,279,810 km (0.082 R)
• M4: 2,065,199 km (0.085 R)
• M5: 3,167,735 km (0.075 R)
• M6: 4,105,863 km (0.094 R)
• M7: 4,854,002 km (0.051 R)
• M8: 5,328,826 km (0.071 R)
• M9: 6,010,094 km (0.111 R)
• M10: 6,589,936 km (0.076 R)
• M11: 8,898,979 km (0.105 R)
• M12: 9,817,510 km (0.105 R)
• M13: 11,889,740 km (0.066 R)
• M14: 14,939,591 km (0.037 R)
• M15: 16,762,890 km (0.114 R)
• M16: 18,350,273 km (0.075 R)
• M17: 19,703,685 km (0.119 R)
• M18: 20,438,659 km (0.106 R)
• M19: 22,899,245 km (0.055 R)
• M20: 24,011,954 km (0.113 R)
• M21: 26,505,751 km (0.043 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: 427 - 19,255 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit