🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.7 AU - 0.72 AU

Year: 208 Days

Day: 18 Hours

Environment

Temp: 202 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.09 AU - 1.53 AU

Year: 522 Days

Day: 17.1 Hours

Environment

Temp: 9 °C

Axial Tilt: 36.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 78,948,417 km

• M1: 405,859 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.7

Radius: 14.5

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.95 AU - 8.19 AU

Year: 5865 Days

Day: 9.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,948,417 km

• M1: 180,415 km (0.072 R)
• M2: 693,685 km (0.096 R)
• M3: 1,352,514 km (0.097 R)
• M4: 1,939,686 km (0.119 R)
• M5: 2,434,107 km (0.104 R)
• M6: 3,878,624 km (0.076 R)
• M7: 4,675,382 km (0.073 R)
• M8: 5,301,749 km (0.097 R)
• M9: 5,836,860 km (0.069 R)
• M10: 6,470,407 km (0.112 R)
• M11: 7,386,395 km (0.025 R)
• M12: 8,275,754 km (0.088 R)
• M13: 10,268,398 km (0.06 R)
• M14: 11,103,752 km (0.043 R)
• M15: 11,701,097 km (0.103 R)
• M16: 12,271,513 km (0.111 R)
• M17: 13,161,920 km (0.094 R)
• M18: 14,415,700 km (0.103 R)
• M19: 15,690,573 km (0.118 R)
• M20: 16,209,378 km (0.043 R)
• M21: 16,680,312 km (0.096 R)
• M22: 17,649,407 km (0.096 R)
• M23: 22,264,202 km (0.118 R)
• M24: 24,194,314 km (0.05 R)
• M25: 25,200,061 km (0.089 R)
• M26: 26,314,265 km (0.05 R)
• M27: 27,711,061 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.7

Radius: 13.2

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.4 AU - 7.78 AU

Year: 5891 Days

Day: 8.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,948,417 km

• M1: 175,927 km (0.043 R)
• M2: 1,278,613 km (0.057 R)
• M3: 2,290,643 km (0.095 R)
• M4: 3,293,996 km (0.062 R)
• M5: 4,401,169 km (0.103 R)
• M6: 4,903,818 km (0.085 R)
• M7: 6,788,003 km (0.1 R)
• M8: 8,739,059 km (0.098 R)
• M9: 9,501,410 km (0.103 R)
• M10: 11,601,913 km (0.083 R)
• M11: 12,056,541 km (0.099 R)
• M12: 13,903,477 km (0.112 R)
• M13: 17,017,506 km (0.074 R)
• M14: 19,220,334 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.6

Radius: 4.3

Gravity: 53.09 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 14.41 AU - 22.31 AU

Year: 27397 Days

Day: 18.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,948,417 km

• M1: 53,556 km (0.11 R)
• M2: 194,178 km (0.057 R)
• M3: 486,642 km (0.04 R)
• M4: 767,437 km (0.098 R)
• M5: 912,248 km (0.115 R)
• M6: 1,046,886 km (0.06 R)
• M7: 1,461,272 km (0.069 R)
• M8: 1,869,674 km (0.088 R)
• M9: 4,173,481 km (0.096 R)
• M10: 4,320,985 km (0.104 R)
• M11: 4,865,222 km (0.11 R)
• M12: 5,153,796 km (0.12 R)
• M13: 5,902,384 km (0.109 R)
• M14: 6,670,569 km (0.039 R)
• M15: 7,289,007 km (0.109 R)
• M16: 7,557,535 km (0.109 R)
• M17: 8,939,819 km (0.11 R)
• M18: 18,132,608 km (0.068 R)
• M19: 18,825,246 km (0.055 R)
• M20: 21,225,544 km (0.065 R)
• M21: 27,517,182 km (0.084 R)
• M22: 29,500,251 km (0.116 R)
• M23: 33,452,926 km (0.115 R)
• M24: 37,744,291 km (0.076 R)
• M25: 41,193,569 km (0.105 R)
• M26: 45,929,389 km (0.03 R)
• M27: 55,221,212 km (0.097 R)
• M28: 55,633,354 km (0.11 R)
• M29: 56,255,531 km (0.107 R)
• M30: 57,302,716 km (0.079 R)
• M31: 58,362,916 km (0.059 R)
• M32: 60,522,362 km (0.077 R)
• M33: 63,633,997 km (0.069 R)
• M34: 64,314,518 km (0.103 R)
• M35: 70,657,767 km (0.115 R)
• M36: 73,109,227 km (0.096 R)
• M37: 86,774,544 km (0.084 R)
• M38: 100,505,235 km (0.037 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.1

Radius: 6.3

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 16.1 AU - 21.86 AU

Year: 28796 Days

Day: 22.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,948,417 km

• M1: 78,539 km (0.12 R)
• M2: 313,856 km (0.046 R)
• M3: 798,404 km (0.103 R)
• M4: 1,000,959 km (0.064 R)
• M5: 1,683,126 km (0.111 R)
• M6: 2,272,392 km (0.116 R)
• M7: 3,402,304 km (0.099 R)
• M8: 3,636,874 km (0.111 R)
• M9: 6,437,047 km (0.072 R)
• M10: 8,319,287 km (0.11 R)
• M11: 14,531,339 km (0.093 R)
• M12: 25,763,296 km (0.102 R)
• M13: 26,327,280 km (0.104 R)
• M14: 28,907,395 km (0.111 R)
• M15: 38,669,703 km (0.105 R)
• M16: 40,157,753 km (0.116 R)
• M17: 41,375,181 km (0.099 R)
• M18: 41,993,169 km (0.105 R)
• M19: 48,343,749 km (0.087 R)
• M20: 49,029,057 km (0.109 R)
• M21: 50,770,974 km (0.118 R)
• M22: 51,124,175 km (0.052 R)
• M23: 74,765,575 km (0.05 R)
• M24: 76,374,201 km (0.084 R)

Kuiper Belt

Range: 31.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 15,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit