🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.58 AU - 0.64 AU

Year: 179 Days

Day: 29.8 Hours

Environment

Temp: 155 °C

Axial Tilt: 1.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,651,927 km

• M1: 105,167 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.82 AU - 1.24 AU

Year: 392 Days

Day: 34.3 Hours

Environment

Temp: 24 °C

Axial Tilt: 7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 42,651,927 km

• M1: 429,346 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.86 AU - 1.42 AU

Year: 456 Days

Day: 15.5 Hours

Environment

Temp: 2 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 42,651,927 km

• M1: 382,971 km (0.069 R)

Asteroid Belt

Center: 2.83 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.3

Radius: 10.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.6 AU - 5.44 AU

Year: 3601 Days

Day: 8.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,651,927 km

• M1: 134,339 km (0.063 R)
• M2: 472,879 km (0.088 R)
• M3: 1,357,301 km (0.083 R)
• M4: 2,091,229 km (0.097 R)
• M5: 2,459,539 km (0.074 R)
• M6: 3,282,776 km (0.113 R)
• M7: 6,490,154 km (0.12 R)
• M8: 12,130,443 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.9

Radius: 11.6

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.46 AU - 5.8 AU

Year: 5006 Days

Day: 7.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,651,927 km

• M1: 158,424 km (0.106 R)
• M2: 640,728 km (0.07 R)
• M3: 1,120,189 km (0.109 R)
• M4: 1,486,404 km (0.105 R)
• M5: 1,897,649 km (0.079 R)
• M6: 3,057,032 km (0.114 R)
• M7: 4,158,372 km (0.09 R)
• M8: 6,254,837 km (0.12 R)
• M9: 8,083,521 km (0.068 R)
• M10: 11,167,481 km (0.106 R)
• M11: 15,112,826 km (0.097 R)
• M12: 16,307,664 km (0.079 R)
• M13: 20,893,287 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.6

Radius: 12.6

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 6.34 AU - 7.6 AU

Year: 6896 Days

Day: 6.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,651,927 km

• M1: 156,629 km (0.061 R)
• M2: 582,983 km (0.027 R)
• M3: 1,024,895 km (0.118 R)
• M4: 1,531,433 km (0.08 R)
• M5: 2,029,894 km (0.104 R)
• M6: 2,535,534 km (0.071 R)
• M7: 3,029,955 km (0.06 R)
• M8: 5,717,481 km (0.038 R)
• M9: 6,135,906 km (0.069 R)
• M10: 7,272,401 km (0.077 R)
• M11: 14,365,734 km (0.105 R)
• M12: 19,254,293 km (0.064 R)
• M13: 24,522,083 km (0.106 R)
• M14: 25,471,281 km (0.072 R)
• M15: 26,527,143 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.3

Radius: 11.5

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.68 AU - 10.58 AU

Year: 10338 Days

Day: 13 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,651,927 km

• M1: 143,016 km (0.111 R)
• M2: 606,320 km (0.032 R)
• M3: 1,193,342 km (0.115 R)
• M4: 1,945,520 km (0.053 R)
• M5: 2,530,747 km (0.073 R)
• M6: 4,490,030 km (0.106 R)
• M7: 9,263,100 km (0.111 R)
• M8: 10,117,603 km (0.051 R)
• M9: 10,869,183 km (0.105 R)
• M10: 11,390,531 km (0.095 R)
• M11: 13,407,260 km (0.054 R)
• M12: 15,783,473 km (0.111 R)
• M13: 19,701,142 km (0.036 R)
• M14: 26,491,240 km (0.112 R)
• M15: 27,150,667 km (0.098 R)
• M16: 27,532,441 km (0.106 R)
• M17: 28,404,447 km (0.106 R)
• M18: 28,995,807 km (0.109 R)
• M19: 32,934,719 km (0.072 R)
• M20: 36,285,861 km (0.118 R)
• M21: 37,925,005 km (0.097 R)
• M22: 38,762,753 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.5

Radius: 13

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 8.69 AU - 13.57 AU

Year: 13915 Days

Day: 5.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,651,927 km

• M1: 161,715 km (0.061 R)
• M2: 1,080,545 km (0.067 R)
• M3: 1,837,361 km (0.107 R)
• M4: 2,325,948 km (0.105 R)
• M5: 3,598,577 km (0.096 R)
• M6: 5,894,904 km (0.116 R)
• M7: 7,016,439 km (0.07 R)
• M8: 16,910,842 km (0.083 R)
• M9: 18,559,860 km (0.101 R)
• M10: 21,605,523 km (0.108 R)
• M11: 24,454,614 km (0.054 R)
• M12: 28,783,378 km (0.116 R)
• M13: 29,357,984 km (0.064 R)
• M14: 34,621,286 km (0.066 R)
• M15: 37,543,231 km (0.091 R)
• M16: 43,873,016 km (0.076 R)
• M17: 45,560,032 km (0.086 R)
• M18: 46,184,004 km (0.116 R)
• M19: 64,091,169 km (0.116 R)
• M20: 65,268,953 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.9

Radius: 14.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 10.35 AU - 13.53 AU

Year: 15461 Days

Day: 9.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,651,927 km

• M1: 217,814 km (0.116 R)
• M2: 951,742 km (0.103 R)
• M3: 2,127,880 km (0.05 R)
• M4: 9,125,769 km (0.084 R)
• M5: 10,849,885 km (0.06 R)
• M6: 13,475,028 km (0.112 R)
• M7: 14,253,536 km (0.088 R)
• M8: 14,747,208 km (0.056 R)
• M9: 17,954,288 km (0.098 R)
• M10: 19,569,346 km (0.058 R)
• M11: 36,250,406 km (0.11 R)
• M12: 39,303,699 km (0.074 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 15,182 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit