🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.02 AU - 1.04 AU

Year: 390 Days

Day: 16.4 Hours

Environment

Temp: 8 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 53,241,813 km

• M1: 262,245 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.93 AU - 1.51 AU

Year: 502 Days

Day: 39.5 Hours

Environment

Temp: -5 °C

Axial Tilt: 8.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 53,241,813 km

• M1: 300,393 km (0.119 R)
• M2: 633,996 km (0.079 R)

Asteroid Belt

Center: 3.72 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.4

Radius: 9.7

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.16 AU - 6.28 AU

Year: 5783 Days

Day: 14.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,241,813 km

• M1: 124,765 km (0.097 R)
• M2: 567,425 km (0.071 R)
• M3: 942,317 km (0.088 R)
• M4: 2,014,335 km (0.091 R)
• M5: 2,339,561 km (0.112 R)
• M6: 3,097,574 km (0.112 R)
• M7: 3,861,420 km (0.064 R)
• M8: 4,460,410 km (0.12 R)
• M9: 5,540,806 km (0.097 R)
• M10: 7,932,427 km (0.1 R)
• M11: 9,432,445 km (0.104 R)
• M12: 9,865,082 km (0.079 R)
• M13: 18,474,589 km (0.114 R)
• M14: 22,515,976 km (0.114 R)
• M15: 23,006,357 km (0.087 R)
• M16: 24,741,992 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.5

Radius: 10

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.13 AU - 7.59 AU

Year: 5979 Days

Day: 7.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,241,813 km

• M1: 124,465 km (0.06 R)
• M2: 464,950 km (0.07 R)
• M3: 1,030,729 km (0.104 R)
• M4: 1,363,734 km (0.104 R)
• M5: 2,531,645 km (0.1 R)
• M6: 3,089,645 km (0.117 R)
• M7: 3,846,311 km (0.119 R)
• M8: 4,451,584 km (0.091 R)
• M9: 6,378,255 km (0.113 R)
• M10: 6,971,710 km (0.096 R)
• M11: 8,555,203 km (0.095 R)
• M12: 9,233,929 km (0.081 R)
• M13: 10,132,264 km (0.095 R)
• M14: 11,689,278 km (0.119 R)
• M15: 12,632,194 km (0.065 R)
• M16: 14,669,118 km (0.118 R)
• M17: 16,590,853 km (0.112 R)
• M18: 18,189,755 km (0.086 R)
• M19: 18,955,995 km (0.1 R)
• M20: 20,329,902 km (0.049 R)
• M21: 26,759,020 km (0.1 R)
• M22: 33,796,852 km (0.102 R)
• M23: 35,274,430 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.2

Radius: 9.6

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.04 AU - 7.14 AU

Year: 7038 Days

Day: 11.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,241,813 km

• M1: 122,371 km (0.083 R)
• M2: 670,198 km (0.086 R)
• M3: 1,026,989 km (0.1 R)
• M4: 1,498,971 km (0.095 R)
• M5: 2,143,887 km (0.055 R)
• M6: 2,594,775 km (0.11 R)
• M7: 4,391,595 km (0.12 R)
• M8: 4,747,488 km (0.101 R)
• M9: 5,579,851 km (0.084 R)
• M10: 6,031,038 km (0.08 R)
• M11: 6,368,232 km (0.119 R)
• M12: 6,753,446 km (0.044 R)
• M13: 8,790,371 km (0.116 R)
• M14: 9,491,985 km (0.109 R)
• M15: 11,056,330 km (0.058 R)
• M16: 11,511,257 km (0.076 R)
• M17: 12,840,883 km (0.074 R)
• M18: 14,992,399 km (0.115 R)
• M19: 18,548,490 km (0.064 R)
• M20: 19,922,846 km (0.089 R)
• M21: 22,873,215 km (0.076 R)
• M22: 26,192,044 km (0.098 R)
• M23: 31,802,413 km (0.063 R)
• M24: 32,930,082 km (0.098 R)
• M25: 34,084,379 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.1

Radius: 11

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 10.14 AU - 13.14 AU

Year: 14804 Days

Day: 9.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,241,813 km

• M1: 136,732 km (0.044 R)
• M2: 724,203 km (0.099 R)
• M3: 1,179,878 km (0.113 R)
• M4: 1,555,818 km (0.112 R)
• M5: 2,694,258 km (0.057 R)
• M6: 3,313,443 km (0.094 R)
• M7: 4,403,862 km (0.061 R)
• M8: 5,264,798 km (0.054 R)
• M9: 6,234,342 km (0.111 R)
• M10: 6,668,923 km (0.105 R)
• M11: 8,308,516 km (0.045 R)
• M12: 10,103,242 km (0.076 R)
• M13: 11,328,448 km (0.101 R)
• M14: 12,254,609 km (0.065 R)
• M15: 13,230,585 km (0.098 R)
• M16: 14,072,373 km (0.066 R)
• M17: 14,569,337 km (0.035 R)
• M18: 15,336,624 km (0.087 R)
• M19: 16,401,312 km (0.087 R)
• M20: 22,057,907 km (0.103 R)
• M21: 23,413,413 km (0.118 R)
• M22: 28,105,102 km (0.112 R)
• M23: 30,104,477 km (0.113 R)
• M24: 32,626,697 km (0.055 R)
• M25: 34,946,661 km (0.052 R)
• M26: 36,204,629 km (0.047 R)
• M27: 38,689,899 km (0.103 R)
• M28: 41,160,508 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.6

Radius: 7.8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 14.11 AU - 16.33 AU

Year: 22135 Days

Day: 22.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,241,813 km

• M1: 97,089 km (0.084 R)
• M2: 568,322 km (0.102 R)
• M3: 1,251,237 km (0.119 R)
• M4: 1,726,659 km (0.103 R)
• M5: 2,474,648 km (0.116 R)
• M6: 4,034,355 km (0.085 R)
• M7: 8,280,841 km (0.101 R)
• M8: 9,530,432 km (0.089 R)
• M9: 13,576,456 km (0.057 R)
• M10: 14,962,929 km (0.113 R)
• M11: 15,515,244 km (0.12 R)
• M12: 44,097,563 km (0.083 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: 243 - 10,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit