🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.51 AU - 0.55 AU

Year: 166 Days

Day: 19.1 Hours

Environment

Temp: 142 °C

Axial Tilt: 46 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.23 AU - 1.59 AU

Year: 721 Days

Day: 37.3 Hours

Environment

Temp: -82 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.7

Radius: 9.5

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.19 AU - 3.33 AU

Year: 2534 Days

Day: 11.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,568,460 km

• M1: 118,182 km (0.12 R)
• M2: 556,953 km (0.091 R)
• M3: 854,952 km (0.093 R)
• M4: 1,690,306 km (0.091 R)
• M5: 2,184,279 km (0.112 R)
• M6: 2,649,677 km (0.041 R)
• M7: 4,016,404 km (0.102 R)
• M8: 4,346,865 km (0.096 R)
• M9: 5,448,953 km (0.031 R)
• M10: 5,829,081 km (0.05 R)
• M11: 7,165,738 km (0.113 R)
• M12: 7,747,674 km (0.095 R)
• M13: 10,666,029 km (0.102 R)
• M14: 11,343,259 km (0.076 R)
• M15: 12,521,043 km (0.11 R)
• M16: 13,732,037 km (0.051 R)
• M17: 15,117,912 km (0.1 R)
• M18: 15,667,235 km (0.095 R)
• M19: 17,503,998 km (0.066 R)
• M20: 18,333,518 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.5

Radius: 13.7

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.17 AU - 5.27 AU

Year: 3732 Days

Day: 7.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,568,460 km

• M1: 170,392 km (0.095 R)
• M2: 1,063,042 km (0.119 R)
• M3: 1,615,956 km (0.096 R)
• M4: 2,133,714 km (0.098 R)
• M5: 3,155,617 km (0.076 R)
• M6: 4,207,141 km (0.073 R)
• M7: 5,440,426 km (0.071 R)
• M8: 6,284,307 km (0.108 R)
• M9: 7,238,293 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.4

Radius: 9.4

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.29 AU - 4.39 AU

Year: 3892 Days

Day: 6.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,568,460 km

• M1: 116,836 km (0.05 R)
• M2: 665,860 km (0.108 R)
• M3: 997,070 km (0.049 R)
• M4: 1,557,763 km (0.077 R)
• M5: 1,893,161 km (0.12 R)
• M6: 2,682,888 km (0.068 R)
• M7: 3,568,208 km (0.114 R)
• M8: 4,178,119 km (0.086 R)
• M9: 4,811,666 km (0.074 R)
• M10: 6,430,165 km (0.104 R)
• M11: 6,900,052 km (0.081 R)
• M12: 8,415,778 km (0.08 R)
• M13: 11,363,753 km (0.053 R)
• M14: 11,805,516 km (0.093 R)
• M15: 14,795,678 km (0.1 R)
• M16: 17,292,766 km (0.093 R)
• M17: 17,770,432 km (0.111 R)

Asteroid Belt

Center: 5.94 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.7

Radius: 12.8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.36 AU - 7.7 AU

Year: 8894 Days

Day: 5.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,568,460 km

• M1: 159,172 km (0.09 R)
• M2: 703,858 km (0.084 R)
• M3: 1,396,795 km (0.04 R)
• M4: 2,110,676 km (0.069 R)
• M5: 2,609,884 km (0.093 R)
• M6: 4,268,027 km (0.101 R)
• M7: 5,043,692 km (0.107 R)
• M8: 5,514,028 km (0.11 R)
• M9: 6,082,500 km (0.114 R)
• M10: 7,778,491 km (0.047 R)
• M11: 9,393,849 km (0.1 R)
• M12: 10,011,389 km (0.085 R)
• M13: 10,504,762 km (0.118 R)
• M14: 10,962,532 km (0.12 R)
• M15: 12,193,573 km (0.068 R)
• M16: 16,576,192 km (0.084 R)
• M17: 17,479,015 km (0.095 R)
• M18: 18,634,808 km (0.103 R)
• M19: 20,621,019 km (0.114 R)
• M20: 22,325,238 km (0.09 R)
• M21: 24,563,222 km (0.055 R)
• M22: 25,553,710 km (0.103 R)
• M23: 27,903,593 km (0.064 R)
• M24: 29,581,633 km (0.04 R)
• M25: 29,986,145 km (0.093 R)
• M26: 32,597,974 km (0.12 R)
• M27: 34,570,123 km (0.099 R)
• M28: 36,273,295 km (0.088 R)
• M29: 37,439,560 km (0.073 R)
• M30: 38,750,935 km (0.102 R)
• M31: 39,723,770 km (0.094 R)
• M32: 40,837,676 km (0.041 R)
• M33: 42,869,065 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.1

Radius: 3.9

Gravity: 47.74 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 11.51 AU - 16.69 AU

Year: 22790 Days

Day: 24.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 91,568,460 km

• M1: 61,784 km (0.099 R)
• M2: 831,914 km (0.115 R)
• M3: 1,091,167 km (0.098 R)
• M4: 2,006,706 km (0.044 R)
• M5: 4,094,643 km (0.072 R)
• M6: 4,264,138 km (0.064 R)
• M7: 4,545,083 km (0.079 R)
• M8: 6,360,453 km (0.07 R)
• M9: 7,303,518 km (0.107 R)
• M10: 12,080,327 km (0.061 R)
• M11: 14,431,557 km (0.029 R)
• M12: 17,867,072 km (0.039 R)
• M13: 20,404,551 km (0.057 R)
• M14: 25,833,458 km (0.084 R)
• M15: 33,363,018 km (0.09 R)
• M16: 36,453,560 km (0.094 R)
• M17: 43,358,848 km (0.095 R)
• M18: 49,650,337 km (0.073 R)
• M19: 50,544,633 km (0.043 R)
• M20: 53,105,599 km (0.115 R)
• M21: 59,682,220 km (0.09 R)
• M22: 62,126,949 km (0.1 R)
• M23: 68,971,201 km (0.089 R)
• M24: 81,630,173 km (0.084 R)
• M25: 84,132,496 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.2

Radius: 6.2

Gravity: 13.79 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 15.06 AU - 18.82 AU

Year: 30012 Days

Day: 20.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,568,460 km

• M1: 80,035 km (0.055 R)
• M2: 328,218 km (0.119 R)
• M3: 575,952 km (0.096 R)
• M4: 787,334 km (0.119 R)
• M5: 1,204,861 km (0.079 R)
• M6: 1,858,006 km (0.097 R)
• M7: 2,128,927 km (0.09 R)
• M8: 2,474,050 km (0.096 R)
• M9: 2,698,596 km (0.026 R)
• M10: 3,047,009 km (0.086 R)
• M11: 5,097,398 km (0.115 R)
• M12: 5,932,603 km (0.104 R)
• M13: 7,351,239 km (0.082 R)
• M14: 8,695,227 km (0.052 R)
• M15: 9,395,345 km (0.093 R)
• M16: 12,941,562 km (0.12 R)
• M17: 14,008,793 km (0.106 R)
• M18: 14,483,767 km (0.111 R)
• M19: 14,806,150 km (0.069 R)
• M20: 16,578,735 km (0.052 R)
• M21: 20,640,317 km (0.086 R)
• M22: 23,948,824 km (0.068 R)
• M23: 26,142,078 km (0.11 R)
• M24: 36,702,491 km (0.045 R)
• M25: 40,877,169 km (0.047 R)
• M26: 42,995,475 km (0.119 R)
• M27: 48,340,158 km (0.115 R)
• M28: 58,677,670 km (0.093 R)
• M29: 62,851,900 km (0.106 R)
• M30: 71,320,336 km (0.096 R)
• M31: 72,723,265 km (0.046 R)
• M32: 81,022,805 km (0.081 R)
• M33: 85,661,835 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 13,946 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit