🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.63 AU - 0.63 AU

Year: 176 Days

Day: 38.5 Hours

Environment

Temp: 224 °C

Axial Tilt: 7.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 62,262,349 km

• M1: 51,013 km (0.041 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.49 AU - 0.81 AU

Year: 184 Days

Day: 30.2 Hours

Environment

Temp: 228 °C

Axial Tilt: 8.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.9 AU - 1.1 AU

Year: 351 Days

Day: 47 Hours

Environment

Temp: 131 °C

Axial Tilt: 13.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 62,262,349 km

• M1: 41,439 km (0.081 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.01 AU - 1.07 AU

Year: 373 Days

Day: 38 Hours

Environment

Temp: 120 °C

Axial Tilt: 20.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 62,262,349 km

• M1: 336,296 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.32 AU - 1.36 AU

Year: 545 Days

Day: 36.6 Hours

Environment

Temp: 23 °C

Axial Tilt: 31.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.91 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.5

Radius: 13.5

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.53 AU - 7.43 AU

Year: 5798 Days

Day: 6.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,262,349 km

• M1: 167,998 km (0.119 R)
• M2: 627,713 km (0.057 R)
• M3: 1,648,718 km (0.072 R)
• M4: 4,125,760 km (0.059 R)
• M5: 7,341,366 km (0.093 R)
• M6: 9,316,207 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.5

Radius: 14.7

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.68 AU - 7.92 AU

Year: 7656 Days

Day: 5.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 71 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,262,349 km

• M1: 201,957 km (0.109 R)
• M2: 868,864 km (0.109 R)
• M3: 1,390,512 km (0.104 R)
• M4: 1,877,752 km (0.11 R)
• M5: 2,481,230 km (0.072 R)
• M6: 3,172,372 km (0.118 R)
• M7: 4,698,720 km (0.101 R)
• M8: 5,226,800 km (0.07 R)
• M9: 5,763,557 km (0.116 R)
• M10: 6,238,979 km (0.053 R)
• M11: 7,940,057 km (0.116 R)
• M12: 10,760,724 km (0.116 R)
• M13: 11,683,594 km (0.071 R)
• M14: 13,798,608 km (0.088 R)
• M15: 14,307,840 km (0.106 R)
• M16: 15,605,451 km (0.107 R)
• M17: 27,860,210 km (0.113 R)
• M18: 29,505,786 km (0.097 R)
• M19: 30,733,985 km (0.089 R)
• M20: 33,090,600 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.2

Radius: 5.6

Gravity: 23.13 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 13.19 AU - 15.89 AU

Year: 19486 Days

Day: 15.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 62,262,349 km

• M1: 71,657 km (0.046 R)
• M2: 257,009 km (0.084 R)
• M3: 477,666 km (0.067 R)
• M4: 902,823 km (0.112 R)
• M5: 1,670,559 km (0.104 R)
• M6: 1,869,674 km (0.087 R)
• M7: 3,142,303 km (0.084 R)
• M8: 3,802,927 km (0.074 R)
• M9: 4,448,891 km (0.082 R)
• M10: 4,726,844 km (0.036 R)
• M11: 5,279,309 km (0.086 R)
• M12: 6,916,209 km (0.069 R)
• M13: 7,529,710 km (0.089 R)
• M14: 8,973,329 km (0.061 R)
• M15: 9,249,188 km (0.113 R)
• M16: 9,876,152 km (0.068 R)
• M17: 10,653,164 km (0.113 R)
• M18: 13,876,399 km (0.111 R)
• M19: 14,171,257 km (0.107 R)
• M20: 15,470,963 km (0.102 R)
• M21: 17,353,203 km (0.052 R)
• M22: 18,042,102 km (0.117 R)
• M23: 18,481,919 km (0.103 R)
• M24: 19,018,976 km (0.112 R)
• M25: 19,474,501 km (0.077 R)
• M26: 28,609,246 km (0.072 R)
• M27: 30,304,190 km (0.061 R)
• M28: 32,840,173 km (0.088 R)
• M29: 35,104,038 km (0.118 R)
• M30: 42,361,629 km (0.062 R)
• M31: 43,138,042 km (0.094 R)
• M32: 46,997,517 km (0.117 R)
• M33: 50,731,929 km (0.101 R)
• M34: 53,388,488 km (0.118 R)
• M35: 55,579,499 km (0.106 R)
• M36: 58,210,476 km (0.082 R)
• M37: 63,719,119 km (0.103 R)
• M38: 76,214,730 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.4

Radius: 5.9

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 11.99 AU - 18.43 AU

Year: 20848 Days

Day: 18.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,262,349 km

• M1: 74,649 km (0.066 R)
• M2: 563,386 km (0.103 R)
• M3: 901,178 km (0.076 R)
• M4: 1,424,022 km (0.067 R)
• M5: 3,459,002 km (0.042 R)
• M6: 4,648,006 km (0.089 R)
• M7: 6,488,957 km (0.081 R)
• M8: 6,696,300 km (0.108 R)
• M9: 7,300,675 km (0.057 R)
• M10: 7,661,954 km (0.115 R)
• M11: 8,371,497 km (0.108 R)
• M12: 10,085,140 km (0.117 R)
• M13: 18,444,520 km (0.116 R)
• M14: 24,766,526 km (0.116 R)
• M15: 32,394,073 km (0.087 R)
• M16: 37,996,214 km (0.09 R)
• M17: 46,321,933 km (0.11 R)
• M18: 52,722,030 km (0.054 R)
• M19: 53,224,379 km (0.1 R)
• M20: 53,730,170 km (0.069 R)
• M21: 61,704,335 km (0.045 R)

Kuiper Belt

Range: 31.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 18,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit