🌌 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 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.3

Radius: 13.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.46 AU - 0.68 AU

Year: 302 Days

Day: 10.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,848,359 km

• M1: 172,935 km (0.077 R)
• M2: 633,547 km (0.119 R)
• M3: 1,113,756 km (0.071 R)
• M4: 1,581,848 km (0.114 R)
• M5: 2,039,318 km (0.089 R)
• M6: 2,473,750 km (0.075 R)
• M7: 2,979,391 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.9

Radius: 9.4

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.69 AU - 0.85 AU

Year: 475 Days

Day: 12.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 163.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 74,848,359 km

• M1: 116,836 km (0.117 R)
• M2: 604,675 km (0.113 R)
• M3: 1,164,470 km (0.112 R)
• M4: 1,702,424 km (0.076 R)
• M5: 2,449,964 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.2

Radius: 12.6

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.6 AU - 2.18 AU

Year: 1826 Days

Day: 14.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,848,359 km

• M1: 156,779 km (0.115 R)
• M2: 873,203 km (0.069 R)
• M3: 1,318,855 km (0.085 R)
• M4: 1,712,896 km (0.082 R)
• M5: 2,153,761 km (0.115 R)
• M6: 3,181,498 km (0.106 R)
• M7: 4,237,958 km (0.065 R)
• M8: 5,366,674 km (0.049 R)
• M9: 5,911,210 km (0.103 R)
• M10: 7,396,268 km (0.074 R)
• M11: 7,961,150 km (0.102 R)
• M12: 8,439,414 km (0.101 R)
• M13: 9,238,566 km (0.045 R)
• M14: 9,894,403 km (0.106 R)
• M15: 11,091,037 km (0.1 R)
• M16: 12,344,667 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.4

Radius: 10.3

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.36 AU - 3.44 AU

Year: 3471 Days

Day: 13.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,848,359 km

• M1: 128,056 km (0.077 R)
• M2: 507,885 km (0.091 R)
• M3: 935,435 km (0.118 R)
• M4: 1,447,060 km (0.091 R)
• M5: 1,924,577 km (0.114 R)
• M6: 2,252,346 km (0.081 R)
• M7: 2,660,748 km (0.048 R)
• M8: 3,134,375 km (0.113 R)
• M9: 3,539,336 km (0.034 R)
• M10: 4,771,274 km (0.115 R)
• M11: 5,216,777 km (0.089 R)
• M12: 7,283,023 km (0.115 R)
• M13: 7,935,718 km (0.093 R)
• M14: 8,308,067 km (0.115 R)
• M15: 9,323,986 km (0.112 R)
• M16: 10,717,191 km (0.044 R)
• M17: 11,211,164 km (0.11 R)
• M18: 12,533,310 km (0.115 R)
• M19: 16,765,583 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.3

Radius: 12.7

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.39 AU - 3.87 AU

Year: 3892 Days

Day: 12 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,848,359 km

• M1: 157,975 km (0.038 R)
• M2: 770,728 km (0.072 R)
• M3: 1,916,947 km (0.085 R)
• M4: 2,399,400 km (0.089 R)
• M5: 4,144,908 km (0.053 R)
• M6: 5,201,518 km (0.111 R)
• M7: 5,706,112 km (0.033 R)
• M8: 6,197,391 km (0.108 R)
• M9: 7,163,344 km (0.088 R)
• M10: 7,709,227 km (0.058 R)
• M11: 8,855,596 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.6

Radius: 11.6

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.89 AU - 4.63 AU

Year: 6180 Days

Day: 5.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,848,359 km

• M1: 145,708 km (0.091 R)
• M2: 550,371 km (0.029 R)
• M3: 928,853 km (0.077 R)
• M4: 2,155,406 km (0.088 R)
• M5: 2,640,402 km (0.042 R)
• M6: 3,155,468 km (0.068 R)
• M7: 4,103,918 km (0.083 R)
• M8: 4,549,271 km (0.088 R)
• M9: 5,506,847 km (0.083 R)
• M10: 7,547,063 km (0.07 R)
• M11: 8,382,118 km (0.08 R)
• M12: 9,410,753 km (0.084 R)
• M13: 10,188,961 km (0.084 R)
• M14: 10,666,478 km (0.119 R)
• M15: 12,083,469 km (0.111 R)
• M16: 12,673,184 km (0.102 R)
• M17: 13,794,420 km (0.091 R)
• M18: 14,980,731 km (0.109 R)
• M19: 16,754,363 km (0.098 R)
• M20: 18,382,586 km (0.083 R)
• M21: 22,188,655 km (0.096 R)
• M22: 23,814,934 km (0.046 R)
• M23: 24,318,031 km (0.083 R)
• M24: 26,223,310 km (0.109 R)
• M25: 28,789,661 km (0.072 R)
• M26: 36,039,922 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.9

Radius: 4

Gravity: 25.99 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.58 AU - 6.04 AU

Year: 9844 Days

Day: 17.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,848,359 km

• M1: 50,265 km (0.11 R)
• M2: 261,048 km (0.07 R)
• M3: 632,500 km (0.096 R)
• M4: 848,070 km (0.084 R)
• M5: 1,018,014 km (0.073 R)
• M6: 1,244,804 km (0.106 R)
• M7: 1,452,446 km (0.108 R)
• M8: 1,598,752 km (0.109 R)
• M9: 1,725,911 km (0.068 R)
• M10: 2,937,653 km (0.106 R)
• M11: 3,085,905 km (0.084 R)
• M12: 3,420,555 km (0.075 R)
• M13: 4,214,621 km (0.111 R)
• M14: 4,711,735 km (0.064 R)
• M15: 5,371,012 km (0.099 R)
• M16: 6,158,196 km (0.065 R)
• M17: 6,760,328 km (0.117 R)
• M18: 8,372,694 km (0.061 R)
• M19: 9,843,540 km (0.1 R)
• M20: 12,223,343 km (0.069 R)
• M21: 13,228,042 km (0.029 R)
• M22: 13,400,678 km (0.12 R)
• M23: 16,173,923 km (0.092 R)
• M24: 16,637,228 km (0.106 R)
• M25: 18,009,190 km (0.102 R)
• M26: 19,086,594 km (0.036 R)
• M27: 20,588,706 km (0.067 R)
• M28: 21,211,183 km (0.109 R)
• M29: 21,368,709 km (0.061 R)
• M30: 24,167,536 km (0.078 R)
• M31: 29,099,179 km (0.103 R)
• M32: 29,783,889 km (0.11 R)
• M33: 36,323,261 km (0.119 R)
• M34: 38,620,785 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.8

Radius: 4.5

Gravity: 30.21 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.98 AU - 11.06 AU

Year: 20647 Days

Day: 18.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,848,359 km

• M1: 57,745 km (0.088 R)
• M2: 463,753 km (0.116 R)
• M3: 709,842 km (0.116 R)
• M4: 965,953 km (0.071 R)
• M5: 1,116,000 km (0.106 R)
• M6: 1,463,666 km (0.098 R)
• M7: 1,824,047 km (0.115 R)
• M8: 2,095,567 km (0.087 R)
• M9: 3,021,578 km (0.057 R)
• M10: 4,806,879 km (0.113 R)
• M11: 4,951,241 km (0.116 R)
• M12: 5,518,366 km (0.102 R)
• M13: 5,961,026 km (0.1 R)
• M14: 8,327,365 km (0.077 R)
• M15: 9,237,669 km (0.05 R)
• M16: 10,940,691 km (0.117 R)
• M17: 13,906,917 km (0.071 R)
• M18: 17,284,089 km (0.064 R)
• M19: 18,491,643 km (0.077 R)
• M20: 19,570,543 km (0.105 R)
• M21: 23,469,512 km (0.114 R)
• M22: 24,412,877 km (0.108 R)
• M23: 28,794,299 km (0.106 R)
• M24: 29,032,010 km (0.086 R)
• M25: 29,511,621 km (0.112 R)
• M26: 33,147,896 km (0.088 R)
• M27: 36,512,951 km (0.113 R)
• M28: 38,206,249 km (0.097 R)
• M29: 38,637,540 km (0.1 R)
• M30: 42,666,958 km (0.11 R)
• M31: 48,630,827 km (0.1 R)
• M32: 50,851,308 km (0.065 R)
• M33: 59,058,846 km (0.078 R)
• M34: 60,799,866 km (0.087 R)
• M35: 69,164,930 km (0.089 R)
• M36: 70,449,976 km (0.045 R)
• M37: 70,881,865 km (0.082 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: 458 - 20,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit