🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376

Radius: 8

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.66 AU - 0.7 AU

Year: 387 Days

Day: 8 Hours

Environment

Temp: -161 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,325,713 km

• M1: 99,483 km (0.105 R)
• M2: 455,974 km (0.106 R)
• M3: 790,924 km (0.037 R)
• M4: 1,043,296 km (0.086 R)
• M5: 1,350,570 km (0.113 R)
• M6: 1,821,803 km (0.095 R)
• M7: 2,104,244 km (0.118 R)
• M8: 2,390,275 km (0.063 R)
• M9: 2,892,624 km (0.114 R)
• M10: 3,237,148 km (0.03 R)
• M11: 3,960,304 km (0.04 R)
• M12: 4,334,449 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.2

Radius: 13.9

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.72 AU - 0.84 AU

Year: 476 Days

Day: 5.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 22,325,713 km

• M1: 173,085 km (0.081 R)
• M2: 754,871 km (0.089 R)
• M3: 1,290,730 km (0.073 R)
• M4: 1,928,915 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.2

Radius: 8.7

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.41 AU - 1.41 AU

Year: 1156 Days

Day: 13.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,325,713 km

• M1: 108,159 km (0.113 R)
• M2: 394,789 km (0.091 R)
• M3: 834,906 km (0.105 R)
• M4: 1,213,388 km (0.091 R)
• M5: 1,661,284 km (0.12 R)
• M6: 2,184,727 km (0.096 R)
• M7: 2,619,758 km (0.086 R)
• M8: 3,219,645 km (0.084 R)
• M9: 4,780,849 km (0.09 R)
• M10: 5,282,450 km (0.088 R)
• M11: 5,596,008 km (0.096 R)
• M12: 5,901,187 km (0.085 R)
• M13: 6,196,045 km (0.08 R)
• M14: 7,211,216 km (0.096 R)
• M15: 7,597,777 km (0.08 R)
• M16: 8,868,012 km (0.05 R)
• M17: 9,425,115 km (0.101 R)
• M18: 9,887,522 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.7

Radius: 13.6

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.63 AU - 2.29 AU

Year: 1894 Days

Day: 5.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,325,713 km

• M1: 169,345 km (0.065 R)
• M2: 636,389 km (0.099 R)
• M3: 1,427,014 km (0.051 R)
• M4: 2,295,430 km (0.107 R)
• M5: 2,915,064 km (0.1 R)
• M6: 4,016,703 km (0.105 R)
• M7: 5,840,899 km (0.11 R)
• M8: 6,328,888 km (0.11 R)
• M9: 7,527,466 km (0.066 R)
• M10: 9,191,742 km (0.112 R)
• M11: 9,719,224 km (0.075 R)
• M12: 10,197,189 km (0.104 R)
• M13: 10,726,616 km (0.059 R)
• M14: 11,348,943 km (0.09 R)
• M15: 13,571,070 km (0.073 R)
• M16: 14,256,079 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.4

Radius: 9.8

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.85 AU - 2.27 AU

Year: 2041 Days

Day: 9.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,325,713 km

• M1: 121,922 km (0.071 R)
• M2: 586,124 km (0.111 R)
• M3: 981,661 km (0.093 R)
• M4: 1,350,121 km (0.063 R)
• M5: 1,955,244 km (0.116 R)
• M6: 2,387,283 km (0.064 R)
• M7: 2,882,302 km (0.104 R)
• M8: 3,653,330 km (0.075 R)
• M9: 4,008,475 km (0.118 R)
• M10: 5,152,599 km (0.095 R)
• M11: 6,238,231 km (0.117 R)
• M12: 7,470,020 km (0.096 R)
• M13: 8,185,846 km (0.065 R)
• M14: 8,767,183 km (0.12 R)
• M15: 9,282,847 km (0.05 R)
• M16: 10,143,035 km (0.096 R)
• M17: 11,125,294 km (0.096 R)
• M18: 12,393,735 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988

Radius: 10

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.99 AU - 2.29 AU

Year: 2161 Days

Day: 12 Hours

Environment

Temp: -204 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,325,713 km

• M1: 125,064 km (0.078 R)
• M2: 765,343 km (0.08 R)
• M3: 1,097,899 km (0.088 R)
• M4: 1,450,202 km (0.071 R)
• M5: 1,855,014 km (0.078 R)
• M6: 2,418,100 km (0.075 R)
• M7: 2,848,942 km (0.108 R)
• M8: 3,365,952 km (0.056 R)
• M9: 4,247,383 km (0.113 R)
• M10: 5,324,039 km (0.066 R)
• M11: 6,407,426 km (0.077 R)
• M12: 7,296,935 km (0.077 R)
• M13: 8,136,778 km (0.114 R)
• M14: 8,936,378 km (0.101 R)
• M15: 9,319,947 km (0.026 R)
• M16: 10,157,695 km (0.041 R)
• M17: 10,769,401 km (0.106 R)
• M18: 11,244,225 km (0.045 R)
• M19: 14,920,144 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.9

Radius: 14.7

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.4 AU - 3.04 AU

Year: 3096 Days

Day: 6.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,325,713 km

• M1: 182,809 km (0.059 R)
• M2: 855,251 km (0.104 R)
• M3: 1,407,417 km (0.081 R)
• M4: 2,160,492 km (0.088 R)
• M5: 2,677,802 km (0.104 R)
• M6: 3,535,746 km (0.051 R)
• M7: 4,262,043 km (0.113 R)
• M8: 5,511,335 km (0.104 R)
• M9: 9,449,798 km (0.117 R)
• M10: 10,610,079 km (0.07 R)
• M11: 12,752,470 km (0.095 R)
• M12: 13,781,255 km (0.097 R)
• M13: 14,663,583 km (0.093 R)
• M14: 15,375,669 km (0.116 R)
• M15: 16,004,279 km (0.086 R)
• M16: 19,651,176 km (0.084 R)
• M17: 20,769,420 km (0.116 R)
• M18: 21,864,028 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 18,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit