🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.67 AU - 0.79 AU

Year: 234 Days

Day: 19.3 Hours

Environment

Temp: 143 °C

Axial Tilt: 29.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.63 AU - 0.99 AU

Year: 273 Days

Day: 45.1 Hours

Environment

Temp: 154 °C

Axial Tilt: 76.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,561,390 km

• M1: 225,444 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.82 AU - 1.08 AU

Year: 347 Days

Day: 47.6 Hours

Environment

Temp: 29 °C

Axial Tilt: 7.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.8 AU - 1.16 AU

Year: 364 Days

Day: 18.4 Hours

Environment

Temp: 32 °C

Axial Tilt: 34.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.68 AU - 3.08 AU

Year: 1832 Days

Day: 43.3 Hours

Environment

Temp: -109 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.5

Radius: 12.7

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.29 AU - 6.93 AU

Year: 4979 Days

Day: 12.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,561,390 km

• M1: 157,975 km (0.082 R)
• M2: 660,774 km (0.114 R)
• M3: 1,218,774 km (0.104 R)
• M4: 2,031,240 km (0.041 R)
• M5: 2,559,470 km (0.087 R)
• M6: 3,445,688 km (0.083 R)
• M7: 4,271,169 km (0.071 R)
• M8: 4,694,680 km (0.093 R)
• M9: 5,120,586 km (0.026 R)
• M10: 5,572,221 km (0.096 R)
• M11: 6,196,493 km (0.111 R)
• M12: 8,681,464 km (0.119 R)
• M13: 10,332,127 km (0.111 R)
• M14: 12,183,101 km (0.108 R)
• M15: 12,895,037 km (0.101 R)
• M16: 13,384,821 km (0.078 R)
• M17: 14,716,840 km (0.099 R)
• M18: 16,646,952 km (0.082 R)
• M19: 17,583,435 km (0.055 R)
• M20: 18,247,350 km (0.094 R)
• M21: 19,625,445 km (0.118 R)
• M22: 21,546,581 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.8

Radius: 4.8

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 12.13 AU - 14.41 AU

Year: 18115 Days

Day: 22 Hours

Environment

Temp: -191 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,561,390 km

• M1: 68,067 km (0.085 R)
• M2: 227,090 km (0.09 R)
• M3: 720,613 km (0.053 R)
• M4: 1,285,495 km (0.039 R)
• M5: 2,979,690 km (0.12 R)
• M6: 3,583,617 km (0.082 R)
• M7: 4,999,411 km (0.097 R)
• M8: 6,713,354 km (0.08 R)
• M9: 8,296,249 km (0.069 R)
• M10: 8,874,744 km (0.113 R)
• M11: 10,875,765 km (0.114 R)
• M12: 11,298,529 km (0.12 R)
• M13: 11,622,707 km (0.07 R)
• M14: 12,120,569 km (0.098 R)
• M15: 13,699,425 km (0.104 R)
• M16: 14,697,093 km (0.045 R)
• M17: 18,495,533 km (0.098 R)
• M18: 20,820,134 km (0.118 R)
• M19: 21,225,544 km (0.029 R)
• M20: 21,389,204 km (0.083 R)
• M21: 22,220,221 km (0.065 R)
• M22: 25,666,806 km (0.118 R)
• M23: 28,948,534 km (0.07 R)
• M24: 29,964,454 km (0.072 R)
• M25: 37,272,758 km (0.081 R)
• M26: 44,335,573 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.5

Radius: 7.8

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 12.28 AU - 16.18 AU

Year: 20116 Days

Day: 15.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,561,390 km

• M1: 97,089 km (0.038 R)
• M2: 694,284 km (0.097 R)
• M3: 1,346,530 km (0.109 R)
• M4: 1,702,723 km (0.053 R)
• M5: 3,631,937 km (0.111 R)
• M6: 4,196,819 km (0.109 R)
• M7: 7,894,728 km (0.058 R)
• M8: 9,769,339 km (0.115 R)
• M9: 10,663,785 km (0.051 R)
• M10: 11,155,962 km (0.074 R)
• M11: 11,714,710 km (0.113 R)
• M12: 14,492,443 km (0.115 R)
• M13: 21,618,538 km (0.095 R)
• M14: 24,545,719 km (0.119 R)
• M15: 25,058,092 km (0.095 R)
• M16: 30,383,926 km (0.068 R)
• M17: 35,109,423 km (0.111 R)
• M18: 36,418,255 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.9

Radius: 3.5

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 13.87 AU - 15.55 AU

Year: 21142 Days

Day: 22.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,561,390 km

• M1: 50,414 km (0.104 R)
• M2: 183,706 km (0.078 R)
• M3: 332,855 km (0.091 R)
• M4: 935,585 km (0.094 R)
• M5: 1,916,798 km (0.116 R)
• M6: 2,095,717 km (0.079 R)
• M7: 2,563,659 km (0.1 R)
• M8: 3,185,836 km (0.083 R)
• M9: 6,330,084 km (0.074 R)
• M10: 7,373,829 km (0.064 R)
• M11: 7,772,956 km (0.092 R)
• M12: 7,895,327 km (0.095 R)
• M13: 8,483,994 km (0.047 R)
• M14: 8,613,845 km (0.084 R)
• M15: 9,328,923 km (0.083 R)
• M16: 19,897,863 km (0.049 R)
• M17: 27,383,142 km (0.107 R)
• M18: 36,890,835 km (0.105 R)
• M19: 40,450,516 km (0.061 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: 402 - 14,220 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit