🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.5

Radius: 9.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.73 AU - 0.85 AU

Year: 476 Days

Day: 11.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,478,193 km

• M1: 113,395 km (0.065 R)
• M2: 397,781 km (0.086 R)
• M3: 709,842 km (0.034 R)
• M4: 1,149,660 km (0.069 R)
• M5: 1,443,171 km (0.12 R)
• M6: 2,036,177 km (0.025 R)
• M7: 2,463,129 km (0.091 R)
• M8: 2,753,349 km (0.056 R)
• M9: 3,545,170 km (0.044 R)
• M10: 4,072,952 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.7

Radius: 11.2

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.14 AU - 1.38 AU

Year: 959 Days

Day: 11.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,478,193 km

• M1: 139,276 km (0.103 R)
• M2: 839,842 km (0.086 R)
• M3: 1,631,963 km (0.068 R)
• M4: 3,123,155 km (0.076 R)
• M5: 4,160,915 km (0.093 R)
• M6: 4,542,091 km (0.038 R)
• M7: 5,681,278 km (0.12 R)
• M8: 6,396,805 km (0.077 R)
• M9: 7,695,913 km (0.109 R)
• M10: 8,991,879 km (0.109 R)
• M11: 9,543,147 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.1

Radius: 10.1

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.26 AU - 1.3 AU

Year: 982 Days

Day: 11.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,478,193 km

• M1: 125,662 km (0.058 R)
• M2: 454,030 km (0.089 R)
• M3: 776,413 km (0.12 R)
• M4: 1,301,501 km (0.087 R)
• M5: 1,670,859 km (0.08 R)
• M6: 2,081,505 km (0.113 R)
• M7: 3,083,063 km (0.089 R)
• M8: 3,852,295 km (0.105 R)
• M9: 4,314,403 km (0.1 R)
• M10: 4,642,770 km (0.087 R)
• M11: 5,148,710 km (0.052 R)
• M12: 5,652,556 km (0.115 R)
• M13: 6,912,469 km (0.082 R)
• M14: 7,503,081 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.3

Radius: 13.7

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.03 AU - 2.13 AU

Year: 2035 Days

Day: 6.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,478,193 km

• M1: 170,392 km (0.08 R)
• M2: 981,811 km (0.113 R)
• M3: 1,715,738 km (0.073 R)
• M4: 2,442,484 km (0.085 R)
• M5: 3,418,162 km (0.117 R)
• M6: 4,210,133 km (0.107 R)
• M7: 6,057,816 km (0.092 R)
• M8: 6,853,527 km (0.108 R)
• M9: 7,598,674 km (0.066 R)
• M10: 8,270,817 km (0.051 R)
• M11: 8,882,972 km (0.117 R)
• M12: 10,789,298 km (0.115 R)
• M13: 12,285,426 km (0.053 R)
• M14: 13,299,251 km (0.119 R)
• M15: 15,541,424 km (0.076 R)
• M16: 16,325,466 km (0.11 R)
• M17: 16,777,850 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.9

Radius: 13.7

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.3 AU - 5.16 AU

Year: 6977 Days

Day: 9.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,478,193 km

• M1: 171,589 km (0.077 R)
• M2: 831,166 km (0.078 R)
• M3: 1,599,052 km (0.072 R)
• M4: 3,261,234 km (0.118 R)
• M5: 3,979,752 km (0.101 R)
• M6: 6,022,361 km (0.058 R)
• M7: 6,503,019 km (0.104 R)
• M8: 7,474,059 km (0.096 R)
• M9: 8,614,145 km (0.112 R)
• M10: 11,104,351 km (0.113 R)
• M11: 12,977,765 km (0.11 R)
• M12: 14,145,975 km (0.119 R)
• M13: 17,103,824 km (0.076 R)
• M14: 18,633,013 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.9

Radius: 5.6

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5 AU - 6.58 AU

Year: 9450 Days

Day: 23 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,478,193 km

• M1: 69,713 km (0.095 R)
• M2: 406,906 km (0.102 R)
• M3: 794,813 km (0.093 R)
• M4: 1,950,756 km (0.11 R)
• M5: 2,247,259 km (0.116 R)
• M6: 2,424,682 km (0.047 R)
• M7: 2,611,530 km (0.084 R)
• M8: 3,670,683 km (0.096 R)
• M9: 4,472,976 km (0.089 R)
• M10: 5,324,039 km (0.043 R)
• M11: 5,544,695 km (0.073 R)
• M12: 5,837,309 km (0.049 R)
• M13: 6,560,465 km (0.111 R)
• M14: 7,226,325 km (0.114 R)
• M15: 8,266,180 km (0.062 R)
• M16: 9,865,680 km (0.112 R)
• M17: 10,441,782 km (0.088 R)
• M18: 11,451,418 km (0.116 R)
• M19: 12,971,931 km (0.072 R)
• M20: 13,958,080 km (0.026 R)
• M21: 22,056,560 km (0.109 R)
• M22: 25,005,134 km (0.1 R)
• M23: 27,265,259 km (0.1 R)
• M24: 30,552,373 km (0.097 R)
• M25: 34,528,236 km (0.106 R)
• M26: 36,188,174 km (0.114 R)
• M27: 36,980,743 km (0.087 R)
• M28: 38,366,169 km (0.094 R)
• M29: 38,600,439 km (0.12 R)
• M30: 40,025,957 km (0.107 R)

Asteroid Belt

Center: 7.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537.7

Radius: 6.6

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.11 AU - 10.97 AU

Year: 18435 Days

Day: 24.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,478,193 km

• M1: 84,972 km (0.099 R)
• M2: 544,686 km (0.027 R)
• M3: 760,556 km (0.118 R)
• M4: 965,953 km (0.064 R)
• M5: 2,079,261 km (0.109 R)
• M6: 2,784,914 km (0.062 R)
• M7: 3,103,109 km (0.051 R)
• M8: 4,205,196 km (0.082 R)
• M9: 4,525,485 km (0.04 R)
• M10: 5,472,290 km (0.062 R)
• M11: 6,254,238 km (0.118 R)
• M12: 6,844,402 km (0.054 R)
• M13: 7,610,044 km (0.09 R)
• M14: 8,582,430 km (0.076 R)
• M15: 9,204,159 km (0.1 R)
• M16: 12,121,167 km (0.026 R)
• M17: 12,836,844 km (0.101 R)
• M18: 13,927,562 km (0.077 R)
• M19: 14,712,352 km (0.082 R)
• M20: 15,451,216 km (0.073 R)
• M21: 18,654,854 km (0.11 R)
• M22: 22,758,474 km (0.064 R)
• M23: 26,017,613 km (0.117 R)
• M24: 27,315,973 km (0.119 R)
• M25: 27,758,184 km (0.118 R)
• M26: 28,092,984 km (0.102 R)
• M27: 30,512,281 km (0.101 R)
• M28: 41,146,146 km (0.061 R)
• M29: 51,783,901 km (0.105 R)
• M30: 52,461,280 km (0.1 R)
• M31: 53,660,756 km (0.08 R)
• M32: 55,053,812 km (0.116 R)
• M33: 59,008,880 km (0.107 R)
• M34: 64,506,153 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 11,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit