🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.59 AU - 0.61 AU

Year: 174 Days

Day: 13.1 Hours

Environment

Temp: 143 °C

Axial Tilt: 38.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.63 AU - 2.61 AU

Year: 1157 Days

Day: 37.8 Hours

Environment

Temp: -88 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.94 AU - 3.3 AU

Year: 2065 Days

Day: 44.5 Hours

Environment

Temp: -116 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.64 AU - 3.68 AU

Year: 2105 Days

Day: 41.4 Hours

Environment

Temp: -115 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.9

Radius: 10.5

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.02 AU - 5.54 AU

Year: 3916 Days

Day: 7.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 17,977,002 km

• M1: 130,898 km (0.114 R)
• M2: 572,810 km (0.075 R)
• M3: 937,979 km (0.099 R)
• M4: 1,441,375 km (0.089 R)
• M5: 1,782,309 km (0.029 R)
• M6: 2,373,819 km (0.071 R)
• M7: 2,820,219 km (0.07 R)
• M8: 3,461,844 km (0.108 R)
• M9: 4,385,761 km (0.078 R)
• M10: 4,753,173 km (0.118 R)
• M11: 5,221,115 km (0.116 R)
• M12: 6,464,573 km (0.097 R)
• M13: 7,684,244 km (0.115 R)
• M14: 8,038,791 km (0.106 R)
• M15: 8,478,759 km (0.074 R)
• M16: 9,487,347 km (0.107 R)
• M17: 12,356,784 km (0.095 R)
• M18: 12,893,990 km (0.11 R)
• M19: 13,344,878 km (0.088 R)
• M20: 14,653,261 km (0.101 R)
• M21: 16,626,008 km (0.107 R)
• M22: 17,953,091 km (0.118 R)
• M23: 18,833,474 km (0.109 R)
• M24: 22,573,122 km (0.116 R)
• M25: 25,428,496 km (0.105 R)
• M26: 26,138,338 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.5

Radius: 8.4

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.02 AU - 5.78 AU

Year: 4065 Days

Day: 10.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 17,977,002 km

• M1: 104,569 km (0.104 R)
• M2: 799,900 km (0.054 R)
• M3: 1,262,008 km (0.096 R)
• M4: 2,244,716 km (0.107 R)
• M5: 3,790,511 km (0.119 R)
• M6: 4,420,617 km (0.078 R)
• M7: 5,943,823 km (0.06 R)
• M8: 7,231,711 km (0.116 R)
• M9: 7,992,416 km (0.094 R)
• M10: 8,732,477 km (0.076 R)
• M11: 9,594,759 km (0.107 R)
• M12: 13,470,690 km (0.075 R)
• M13: 13,962,568 km (0.036 R)
• M14: 15,671,424 km (0.117 R)
• M15: 19,251,152 km (0.093 R)
• M16: 21,428,848 km (0.12 R)
• M17: 22,922,433 km (0.11 R)
• M18: 23,482,228 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.9

Radius: 8.1

Gravity: 12.01 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.68 AU - 5.34 AU

Year: 4202 Days

Day: 11.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 17,977,002 km

• M1: 100,829 km (0.082 R)
• M2: 937,081 km (0.075 R)
• M3: 1,314,816 km (0.101 R)
• M4: 1,581,249 km (0.067 R)
• M5: 2,021,666 km (0.045 R)
• M6: 2,869,287 km (0.097 R)
• M7: 3,423,996 km (0.068 R)
• M8: 4,048,418 km (0.114 R)
• M9: 4,375,887 km (0.119 R)
• M10: 5,031,276 km (0.093 R)
• M11: 5,692,797 km (0.105 R)
• M12: 6,856,818 km (0.087 R)
• M13: 7,154,369 km (0.108 R)
• M14: 7,495,153 km (0.074 R)
• M15: 8,812,212 km (0.059 R)
• M16: 9,243,802 km (0.111 R)
• M17: 10,799,769 km (0.118 R)
• M18: 12,670,042 km (0.092 R)
• M19: 14,314,272 km (0.085 R)
• M20: 16,387,250 km (0.119 R)
• M21: 17,834,011 km (0.093 R)
• M22: 19,826,505 km (0.068 R)
• M23: 20,161,155 km (0.066 R)
• M24: 21,187,995 km (0.12 R)
• M25: 21,749,586 km (0.105 R)
• M26: 24,477,353 km (0.112 R)
• M27: 26,606,131 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.3

Radius: 14.2

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.08 AU - 8.44 AU

Year: 6586 Days

Day: 12.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,977,002 km

• M1: 180,116 km (0.119 R)
• M2: 657,183 km (0.068 R)
• M3: 1,611,618 km (0.089 R)
• M4: 2,194,750 km (0.062 R)
• M5: 5,042,495 km (0.066 R)
• M6: 5,554,270 km (0.086 R)
• M7: 7,101,261 km (0.079 R)
• M8: 7,746,327 km (0.103 R)
• M9: 8,820,290 km (0.104 R)
• M10: 10,099,352 km (0.087 R)
• M11: 13,546,237 km (0.105 R)
• M12: 14,867,186 km (0.079 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: 383 - 20,020 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit