🌌 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: 230.3

Radius: 13.2

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.64 AU - 0.68 AU

Year: 364 Days

Day: 11.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,141,836 km

• M1: 164,258 km (0.095 R)
• M2: 595,699 km (0.118 R)
• M3: 1,042,099 km (0.108 R)
• M4: 1,574,368 km (0.12 R)
• M5: 2,183,979 km (0.075 R)
• M6: 2,611,081 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155

Radius: 9.9

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.7 AU - 0.78 AU

Year: 432 Days

Day: 8.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,141,836 km

• M1: 131,347 km (0.108 R)
• M2: 536,608 km (0.08 R)
• M3: 854,353 km (0.092 R)
• M4: 1,303,745 km (0.055 R)
• M5: 2,044,255 km (0.097 R)
• M6: 2,654,016 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.2

Radius: 8

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.69 AU - 2.03 AU

Year: 1721 Days

Day: 11 Hours

Environment

Temp: -195 °C

Axial Tilt: 106.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,141,836 km

• M1: 99,632 km (0.057 R)
• M2: 377,136 km (0.097 R)
• M3: 707,000 km (0.077 R)
• M4: 1,054,515 km (0.063 R)
• M5: 1,361,939 km (0.087 R)
• M6: 1,749,697 km (0.099 R)
• M7: 2,090,630 km (0.102 R)
• M8: 2,692,014 km (0.043 R)
• M9: 3,056,284 km (0.031 R)
• M10: 5,130,459 km (0.103 R)
• M11: 5,485,455 km (0.095 R)
• M12: 6,195,446 km (0.061 R)
• M13: 6,649,925 km (0.034 R)
• M14: 7,180,698 km (0.079 R)
• M15: 7,825,764 km (0.101 R)
• M16: 8,693,431 km (0.095 R)
• M17: 9,458,924 km (0.065 R)
• M18: 11,233,454 km (0.119 R)
• M19: 12,772,367 km (0.088 R)
• M20: 13,342,784 km (0.113 R)
• M21: 13,634,200 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.3

Radius: 11.5

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.42 AU - 2.94 AU

Year: 2976 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,141,836 km

• M1: 143,016 km (0.114 R)
• M2: 716,275 km (0.113 R)
• M3: 1,124,078 km (0.087 R)
• M4: 1,799,962 km (0.098 R)
• M5: 2,385,188 km (0.109 R)
• M6: 2,807,354 km (0.056 R)
• M7: 3,785,125 km (0.072 R)
• M8: 4,177,820 km (0.045 R)
• M9: 4,729,387 km (0.114 R)
• M10: 7,772,507 km (0.06 R)
• M11: 10,346,787 km (0.103 R)
• M12: 11,238,690 km (0.104 R)
• M13: 13,175,234 km (0.081 R)
• M14: 14,036,768 km (0.077 R)
• M15: 15,178,200 km (0.096 R)
• M16: 17,376,391 km (0.069 R)
• M17: 17,807,682 km (0.08 R)
• M18: 18,301,355 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829

Radius: 14.9

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.88 AU - 4.58 AU

Year: 4886 Days

Day: 7.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,141,836 km

• M1: 185,501 km (0.094 R)
• M2: 671,694 km (0.116 R)
• M3: 1,188,854 km (0.113 R)
• M4: 1,833,322 km (0.083 R)
• M5: 2,850,587 km (0.092 R)
• M6: 4,339,535 km (0.109 R)
• M7: 7,058,028 km (0.078 R)
• M8: 8,251,370 km (0.066 R)
• M9: 9,201,017 km (0.109 R)
• M10: 10,046,993 km (0.067 R)
• M11: 11,037,032 km (0.099 R)
• M12: 12,339,880 km (0.087 R)
• M13: 13,742,958 km (0.085 R)
• M14: 16,073,842 km (0.115 R)
• M15: 16,741,647 km (0.102 R)
• M16: 18,856,961 km (0.112 R)
• M17: 20,929,789 km (0.107 R)
• M18: 21,726,548 km (0.099 R)
• M19: 22,997,830 km (0.117 R)
• M20: 24,160,206 km (0.088 R)
• M21: 28,231,213 km (0.047 R)
• M22: 29,204,347 km (0.048 R)
• M23: 30,567,183 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.1

Radius: 14.7

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.52 AU - 5.28 AU

Year: 6260 Days

Day: 6.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,141,836 km

• M1: 182,809 km (0.069 R)
• M2: 766,539 km (0.11 R)
• M3: 1,840,503 km (0.064 R)
• M4: 2,352,277 km (0.105 R)
• M5: 3,396,620 km (0.088 R)
• M6: 4,025,529 km (0.105 R)
• M7: 4,926,707 km (0.092 R)
• M8: 6,910,075 km (0.043 R)
• M9: 7,455,210 km (0.04 R)
• M10: 9,692,147 km (0.067 R)
• M11: 10,542,611 km (0.031 R)
• M12: 11,223,730 km (0.062 R)
• M13: 12,207,785 km (0.03 R)
• M14: 13,741,163 km (0.053 R)
• M15: 16,221,496 km (0.064 R)
• M16: 22,607,081 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.5

Radius: 10.4

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.59 AU - 5.43 AU

Year: 6496 Days

Day: 12.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,141,836 km

• M1: 129,402 km (0.053 R)
• M2: 516,561 km (0.093 R)
• M3: 1,099,844 km (0.091 R)
• M4: 1,469,201 km (0.109 R)
• M5: 1,829,582 km (0.092 R)
• M6: 2,581,162 km (0.105 R)
• M7: 3,207,977 km (0.049 R)
• M8: 4,491,526 km (0.07 R)
• M9: 5,128,215 km (0.116 R)
• M10: 6,301,810 km (0.025 R)
• M11: 7,751,414 km (0.115 R)
• M12: 8,219,505 km (0.069 R)
• M13: 9,172,593 km (0.077 R)
• M14: 13,628,216 km (0.094 R)
• M15: 15,016,335 km (0.061 R)
• M16: 17,576,553 km (0.077 R)
• M17: 19,612,281 km (0.095 R)
• M18: 20,755,358 km (0.071 R)
• M19: 23,396,060 km (0.094 R)
• M20: 24,990,474 km (0.12 R)
• M21: 26,093,010 km (0.081 R)
• M22: 26,494,531 km (0.062 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 16,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit