🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.44 AU - 0.72 AU

Year: 285 Days

Day: 37.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.8

Radius: 9.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.35 AU - 1.37 AU

Year: 1024 Days

Day: 5.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 112.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,056,949 km

• M1: 121,922 km (0.108 R)
• M2: 470,485 km (0.096 R)
• M3: 907,610 km (0.093 R)
• M4: 1,271,432 km (0.095 R)
• M5: 1,586,037 km (0.036 R)
• M6: 2,037,373 km (0.119 R)
• M7: 2,506,812 km (0.047 R)
• M8: 2,960,093 km (0.09 R)
• M9: 3,358,921 km (0.059 R)
• M10: 3,911,386 km (0.073 R)
• M11: 4,540,146 km (0.036 R)
• M12: 5,684,420 km (0.108 R)
• M13: 6,018,622 km (0.041 R)
• M14: 6,324,250 km (0.115 R)
• M15: 6,834,828 km (0.046 R)
• M16: 8,011,564 km (0.079 R)
• M17: 8,609,956 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.3

Radius: 12.6

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.61 AU - 1.71 AU

Year: 1381 Days

Day: 9.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 113.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,056,949 km

• M1: 156,928 km (0.102 R)
• M2: 600,935 km (0.114 R)
• M3: 1,564,345 km (0.058 R)
• M4: 2,969,518 km (0.074 R)
• M5: 4,054,401 km (0.071 R)
• M6: 4,688,397 km (0.119 R)
• M7: 5,344,534 km (0.106 R)
• M8: 5,876,354 km (0.109 R)
• M9: 7,741,839 km (0.095 R)
• M10: 8,134,983 km (0.097 R)
• M11: 8,840,337 km (0.085 R)
• M12: 10,921,692 km (0.093 R)
• M13: 11,817,334 km (0.106 R)
• M14: 12,761,297 km (0.099 R)
• M15: 13,673,545 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.7

Radius: 13.4

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.88 AU - 4.18 AU

Year: 5224 Days

Day: 10.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,056,949 km

• M1: 166,652 km (0.107 R)
• M2: 610,659 km (0.041 R)
• M3: 1,165,068 km (0.074 R)
• M4: 1,607,878 km (0.077 R)
• M5: 2,041,562 km (0.071 R)
• M6: 3,008,264 km (0.104 R)
• M7: 4,398,477 km (0.091 R)
• M8: 4,929,848 km (0.105 R)
• M9: 5,476,928 km (0.116 R)
• M10: 7,040,375 km (0.113 R)
• M11: 8,225,041 km (0.062 R)
• M12: 9,499,166 km (0.073 R)
• M13: 10,019,766 km (0.12 R)
• M14: 11,206,077 km (0.113 R)
• M15: 13,109,261 km (0.094 R)
• M16: 15,111,629 km (0.099 R)
• M17: 15,933,669 km (0.104 R)
• M18: 24,951,878 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.7

Radius: 14.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.08 AU - 4.18 AU

Year: 5419 Days

Day: 7 Hours

Environment

Temp: -212 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,056,949 km

• M1: 187,147 km (0.07 R)
• M2: 684,111 km (0.069 R)
• M3: 1,267,842 km (0.031 R)
• M4: 1,723,667 km (0.095 R)
• M5: 2,513,693 km (0.115 R)
• M6: 4,442,309 km (0.103 R)
• M7: 5,192,542 km (0.1 R)
• M8: 5,906,124 km (0.104 R)
• M9: 7,636,223 km (0.117 R)
• M10: 14,727,462 km (0.082 R)
• M11: 15,634,025 km (0.093 R)
• M12: 16,457,411 km (0.056 R)
• M13: 17,371,604 km (0.091 R)
• M14: 19,501,878 km (0.061 R)
• M15: 21,656,985 km (0.06 R)
• M16: 24,276,294 km (0.105 R)
• M17: 26,766,949 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58

Radius: 15

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.1 AU - 4.96 AU

Year: 6225 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,056,949 km

• M1: 226,342 km (0.043 R)
• M2: 1,223,711 km (0.032 R)
• M3: 3,205,882 km (0.068 R)
• M4: 3,905,252 km (0.089 R)
• M5: 4,786,833 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.5

Radius: 7.7

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 10.74 AU - 11.04 AU

Year: 23204 Days

Day: 23.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,056,949 km

• M1: 97,837 km (0.117 R)
• M2: 422,165 km (0.109 R)
• M3: 767,736 km (0.085 R)
• M4: 1,221,915 km (0.099 R)
• M5: 1,652,458 km (0.062 R)
• M6: 2,495,143 km (0.066 R)
• M7: 15,606,349 km (0.078 R)
• M8: 17,536,910 km (0.085 R)
• M9: 21,955,133 km (0.079 R)
• M10: 26,245,750 km (0.09 R)
• M11: 26,652,207 km (0.103 R)
• M12: 28,214,009 km (0.111 R)
• M13: 39,017,069 km (0.059 R)
• M14: 51,169,952 km (0.075 R)
• M15: 53,739,295 km (0.059 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: 278 - 14,488 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit