🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.63 AU - 0.73 AU

Year: 256 Days

Day: 23.3 Hours

Environment

Temp: -39 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,684,747 km

• M1: 40,092 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.6 AU - 0.78 AU

Year: 262 Days

Day: 23 Hours

Environment

Temp: -39 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,684,747 km

• M1: 42,935 km (0.048 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.67 AU - 1.03 AU

Year: 358 Days

Day: 25.5 Hours

Environment

Temp: -59 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,684,747 km

• M1: 111,301 km (0.112 R)
• M2: 173,982 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.14 AU - 1.64 AU

Year: 748 Days

Day: 42.1 Hours

Environment

Temp: -96 °C

Axial Tilt: 172.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.3

Radius: 11.7

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.7 AU - 2.72 AU

Year: 2037 Days

Day: 14.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,684,747 km

• M1: 145,559 km (0.104 R)
• M2: 570,865 km (0.101 R)
• M3: 968,048 km (0.055 R)
• M4: 1,538,165 km (0.088 R)
• M5: 2,951,566 km (0.111 R)
• M6: 4,462,205 km (0.06 R)
• M7: 5,073,013 km (0.055 R)
• M8: 5,596,606 km (0.109 R)
• M9: 6,358,957 km (0.037 R)
• M10: 7,217,349 km (0.071 R)
• M11: 7,970,275 km (0.047 R)
• M12: 8,335,145 km (0.111 R)
• M13: 11,904,101 km (0.113 R)
• M14: 14,556,621 km (0.094 R)
• M15: 15,569,099 km (0.107 R)
• M16: 16,092,692 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.5

Radius: 11.6

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 6.29 AU - 7.55 AU

Year: 8311 Days

Day: 11.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,684,747 km

• M1: 144,212 km (0.1 R)
• M2: 1,013,675 km (0.11 R)
• M3: 1,398,142 km (0.116 R)
• M4: 2,751,554 km (0.063 R)
• M5: 3,409,335 km (0.098 R)
• M6: 4,194,724 km (0.094 R)
• M7: 6,157,000 km (0.096 R)
• M8: 7,026,313 km (0.082 R)
• M9: 7,975,661 km (0.078 R)
• M10: 8,922,765 km (0.078 R)
• M11: 9,401,478 km (0.086 R)
• M12: 9,943,172 km (0.059 R)
• M13: 10,649,573 km (0.112 R)
• M14: 11,389,185 km (0.085 R)
• M15: 12,109,948 km (0.071 R)
• M16: 12,589,259 km (0.057 R)
• M17: 13,699,874 km (0.082 R)
• M18: 14,220,325 km (0.074 R)
• M19: 20,624,909 km (0.085 R)
• M20: 21,155,832 km (0.113 R)
• M21: 22,245,054 km (0.119 R)
• M22: 25,131,545 km (0.075 R)
• M23: 26,000,110 km (0.091 R)
• M24: 27,522,418 km (0.069 R)
• M25: 31,337,463 km (0.073 R)
• M26: 31,737,338 km (0.058 R)
• M27: 33,164,053 km (0.055 R)
• M28: 33,788,325 km (0.047 R)
• M29: 34,739,468 km (0.054 R)
• M30: 35,383,337 km (0.093 R)
• M31: 36,805,863 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.7

Radius: 11.7

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 7.66 AU - 10.34 AU

Year: 12327 Days

Day: 5.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,684,747 km

• M1: 145,559 km (0.102 R)
• M2: 835,504 km (0.105 R)
• M3: 1,493,136 km (0.069 R)
• M4: 1,979,629 km (0.097 R)
• M5: 2,793,291 km (0.108 R)
• M6: 3,491,614 km (0.11 R)
• M7: 4,055,299 km (0.087 R)
• M8: 6,190,509 km (0.096 R)
• M9: 7,542,126 km (0.104 R)
• M10: 8,134,683 km (0.081 R)
• M11: 8,531,866 km (0.09 R)
• M12: 8,895,837 km (0.086 R)
• M13: 9,654,897 km (0.037 R)
• M14: 11,140,404 km (0.111 R)
• M15: 13,010,228 km (0.063 R)
• M16: 17,362,478 km (0.112 R)
• M17: 17,727,198 km (0.117 R)
• M18: 18,396,649 km (0.033 R)
• M19: 20,425,644 km (0.08 R)
• M20: 20,832,401 km (0.094 R)
• M21: 21,244,394 km (0.105 R)
• M22: 24,648,044 km (0.032 R)
• M23: 25,388,554 km (0.072 R)
• M24: 29,008,224 km (0.107 R)
• M25: 29,625,914 km (0.111 R)
• M26: 32,185,084 km (0.091 R)
• M27: 35,119,895 km (0.108 R)
• M28: 36,413,767 km (0.064 R)
• M29: 42,038,647 km (0.103 R)
• M30: 44,035,330 km (0.116 R)
• M31: 47,077,104 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.2

Radius: 7.4

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.08 AU - 10.42 AU

Year: 13900 Days

Day: 24.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,684,747 km

• M1: 92,451 km (0.057 R)
• M2: 332,855 km (0.116 R)
• M3: 636,090 km (0.045 R)
• M4: 980,016 km (0.112 R)
• M5: 1,373,757 km (0.113 R)
• M6: 1,928,017 km (0.112 R)
• M7: 3,938,613 km (0.083 R)
• M8: 5,739,472 km (0.053 R)
• M9: 7,050,996 km (0.119 R)
• M10: 8,388,252 km (0.112 R)
• M11: 8,633,443 km (0.118 R)
• M12: 10,963,878 km (0.098 R)
• M13: 13,183,761 km (0.075 R)
• M14: 14,486,310 km (0.101 R)
• M15: 14,721,328 km (0.082 R)
• M16: 16,248,274 km (0.091 R)
• M17: 18,559,411 km (0.067 R)
• M18: 18,906,478 km (0.091 R)
• M19: 19,470,911 km (0.036 R)
• M20: 20,930,986 km (0.104 R)
• M21: 25,919,776 km (0.09 R)
• M22: 28,965,888 km (0.094 R)
• M23: 31,647,280 km (0.107 R)
• M24: 33,660,867 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.2

Radius: 5.2

Gravity: 36.77 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 11 AU - 11.7 AU

Year: 17458 Days

Day: 17 Hours

Environment

Temp: -214 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,684,747 km

• M1: 65,823 km (0.117 R)
• M2: 703,110 km (0.119 R)
• M3: 3,464,537 km (0.086 R)
• M4: 3,794,251 km (0.119 R)
• M5: 5,287,387 km (0.114 R)
• M6: 5,603,039 km (0.034 R)
• M7: 6,403,088 km (0.104 R)
• M8: 6,580,810 km (0.116 R)
• M9: 8,072,002 km (0.064 R)
• M10: 9,089,567 km (0.084 R)
• M11: 9,658,188 km (0.09 R)
• M12: 9,833,367 km (0.112 R)
• M13: 10,432,507 km (0.115 R)
• M14: 11,969,326 km (0.12 R)
• M15: 14,094,663 km (0.098 R)
• M16: 20,481,893 km (0.108 R)
• M17: 35,262,612 km (0.12 R)
• M18: 55,302,742 km (0.12 R)
• M19: 55,676,438 km (0.033 R)
• M20: 59,310,469 km (0.052 R)
• M21: 70,276,891 km (0.057 R)
• M22: 71,155,330 km (0.072 R)
• M23: 74,288,059 km (0.069 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 14,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit