🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.65 AU - 0.91 AU

Year: 264 Days

Day: 26.1 Hours

Environment

Temp: 157 °C

Axial Tilt: 36.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 86,575,585 km

• M1: 32,313 km (0.08 R)
• M2: 69,413 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.79 AU - 0.83 AU

Year: 279 Days

Day: 47.1 Hours

Environment

Temp: 27 °C

Axial Tilt: 34.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.83 AU - 3.27 AU

Year: 2039 Days

Day: 32.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,575,585 km

• M1: 465,848 km (0.107 R)

Asteroid Belt

Center: 4.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.6

Radius: 13.4

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.6 AU - 8.12 AU

Year: 6879 Days

Day: 10.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,575,585 km

• M1: 167,101 km (0.04 R)
• M2: 617,690 km (0.081 R)
• M3: 1,389,016 km (0.107 R)
• M4: 1,865,934 km (0.078 R)
• M5: 2,486,466 km (0.09 R)
• M6: 2,911,623 km (0.105 R)
• M7: 3,888,497 km (0.114 R)
• M8: 4,750,032 km (0.12 R)
• M9: 5,354,257 km (0.118 R)
• M10: 6,421,339 km (0.095 R)
• M11: 7,698,755 km (0.09 R)
• M12: 8,853,651 km (0.073 R)
• M13: 10,032,931 km (0.051 R)
• M14: 13,330,517 km (0.116 R)
• M15: 13,924,719 km (0.069 R)
• M16: 14,367,978 km (0.112 R)
• M17: 15,635,521 km (0.108 R)
• M18: 16,054,095 km (0.061 R)
• M19: 17,165,009 km (0.114 R)
• M20: 18,725,165 km (0.093 R)
• M21: 19,608,690 km (0.074 R)
• M22: 22,654,354 km (0.1 R)
• M23: 24,690,381 km (0.081 R)
• M24: 27,360,403 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.6

Radius: 12.2

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.05 AU - 9.37 AU

Year: 8197 Days

Day: 8.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,575,585 km

• M1: 153,039 km (0.068 R)
• M2: 625,020 km (0.104 R)
• M3: 1,083,687 km (0.115 R)
• M4: 1,522,308 km (0.086 R)
• M5: 3,494,157 km (0.104 R)
• M6: 4,704,255 km (0.075 R)
• M7: 5,185,212 km (0.059 R)
• M8: 6,388,577 km (0.116 R)
• M9: 7,018,085 km (0.1 R)
• M10: 7,647,742 km (0.074 R)
• M11: 9,909,961 km (0.112 R)
• M12: 12,138,222 km (0.117 R)
• M13: 13,339,792 km (0.088 R)
• M14: 15,385,991 km (0.081 R)
• M15: 17,920,179 km (0.069 R)
• M16: 19,552,591 km (0.113 R)
• M17: 20,248,221 km (0.118 R)
• M18: 21,607,019 km (0.089 R)
• M19: 24,328,503 km (0.048 R)
• M20: 25,496,713 km (0.085 R)
• M21: 26,796,120 km (0.109 R)
• M22: 34,184,909 km (0.045 R)
• M23: 37,155,922 km (0.071 R)
• M24: 38,463,258 km (0.036 R)
• M25: 43,215,833 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.3

Radius: 8.4

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.31 AU - 9.67 AU

Year: 11194 Days

Day: 5.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,575,585 km

• M1: 104,719 km (0.055 R)
• M2: 753,524 km (0.072 R)
• M3: 1,120,039 km (0.041 R)
• M4: 1,460,225 km (0.079 R)
• M5: 2,164,532 km (0.089 R)
• M6: 4,057,244 km (0.077 R)
• M7: 4,346,267 km (0.119 R)
• M8: 4,869,560 km (0.056 R)
• M9: 5,858,402 km (0.108 R)
• M10: 7,057,429 km (0.042 R)
• M11: 7,562,920 km (0.102 R)
• M12: 10,730,805 km (0.096 R)
• M13: 11,006,065 km (0.031 R)
• M14: 16,658,770 km (0.114 R)
• M15: 22,974,194 km (0.116 R)
• M16: 25,520,050 km (0.1 R)
• M17: 27,523,016 km (0.109 R)
• M18: 34,874,405 km (0.079 R)
• M19: 36,091,384 km (0.034 R)
• M20: 37,210,825 km (0.072 R)
• M21: 40,441,241 km (0.068 R)
• M22: 42,192,883 km (0.059 R)
• M23: 43,574,269 km (0.115 R)
• M24: 50,780,997 km (0.101 R)
• M25: 51,714,638 km (0.113 R)
• M26: 53,296,037 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.9

Radius: 13

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 9.42 AU - 12.94 AU

Year: 14313 Days

Day: 11.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,575,585 km

• M1: 167,998 km (0.111 R)
• M2: 3,441,200 km (0.105 R)
• M3: 4,282,987 km (0.077 R)
• M4: 6,447,818 km (0.116 R)
• M5: 7,243,828 km (0.105 R)
• M6: 8,493,419 km (0.096 R)
• M7: 9,979,674 km (0.049 R)
• M8: 10,836,571 km (0.069 R)
• M9: 12,754,864 km (0.086 R)
• M10: 16,554,949 km (0.115 R)
• M11: 17,112,949 km (0.044 R)
• M12: 20,648,844 km (0.082 R)
• M13: 22,630,119 km (0.071 R)
• M14: 23,491,952 km (0.07 R)
• M15: 29,636,685 km (0.074 R)
• M16: 30,252,878 km (0.077 R)
• M17: 32,152,771 km (0.101 R)
• M18: 35,035,971 km (0.058 R)
• M19: 40,175,555 km (0.115 R)
• M20: 44,579,417 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.2

Radius: 3.5

Gravity: 48.34 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 14.45 AU - 18.93 AU

Year: 26107 Days

Day: 22.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,575,585 km

• M1: 44,730 km (0.107 R)
• M2: 224,995 km (0.064 R)
• M3: 665,561 km (0.116 R)
• M4: 833,559 km (0.098 R)
• M5: 1,110,166 km (0.114 R)
• M6: 1,395,599 km (0.057 R)
• M7: 1,581,997 km (0.106 R)
• M8: 1,727,855 km (0.095 R)
• M9: 1,862,793 km (0.088 R)
• M10: 2,132,218 km (0.066 R)
• M11: 2,426,926 km (0.095 R)
• M12: 2,800,023 km (0.091 R)
• M13: 3,384,951 km (0.072 R)
• M14: 3,980,650 km (0.044 R)
• M15: 4,251,272 km (0.108 R)
• M16: 4,981,609 km (0.119 R)
• M17: 5,295,914 km (0.097 R)
• M18: 5,581,646 km (0.054 R)
• M19: 7,117,268 km (0.061 R)
• M20: 12,280,938 km (0.098 R)
• M21: 12,926,154 km (0.031 R)
• M22: 17,014,514 km (0.084 R)
• M23: 17,456,426 km (0.088 R)
• M24: 20,566,865 km (0.11 R)
• M25: 28,223,583 km (0.118 R)
• M26: 30,753,283 km (0.102 R)
• M27: 31,014,331 km (0.117 R)
• M28: 33,018,943 km (0.117 R)
• M29: 35,393,510 km (0.1 R)
• M30: 38,935,838 km (0.089 R)
• M31: 49,342,763 km (0.084 R)
• M32: 55,082,834 km (0.041 R)
• M33: 55,274,917 km (0.081 R)
• M34: 62,705,743 km (0.071 R)
• M35: 77,081,051 km (0.102 R)
• M36: 77,562,457 km (0.116 R)
• M37: 79,754,066 km (0.1 R)
• M38: 84,005,488 km (0.1 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 18,281 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit