🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.48 AU - 0.74 AU

Year: 209 Days

Day: 23.5 Hours

Environment

Temp: 9 °C

Axial Tilt: 4.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.38 AU - 1.94 AU

Year: 940 Days

Day: 15.5 Hours

Environment

Temp: -115 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,698,189 km

• M1: 397,033 km (0.074 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.24 AU - 2.26 AU

Year: 1484 Days

Day: 18.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.7

Radius: 9.2

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.29 AU - 3.63 AU

Year: 2239 Days

Day: 11.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,698,189 km

• M1: 114,442 km (0.098 R)
• M2: 445,802 km (0.102 R)
• M3: 1,509,891 km (0.054 R)
• M4: 2,314,429 km (0.071 R)
• M5: 2,614,073 km (0.102 R)
• M6: 3,617,426 km (0.093 R)
• M7: 5,137,490 km (0.116 R)
• M8: 5,702,372 km (0.096 R)
• M9: 6,146,079 km (0.093 R)
• M10: 6,584,550 km (0.109 R)
• M11: 7,930,632 km (0.065 R)
• M12: 9,028,381 km (0.077 R)
• M13: 10,880,104 km (0.113 R)
• M14: 11,811,500 km (0.116 R)
• M15: 12,576,992 km (0.088 R)
• M16: 13,420,425 km (0.106 R)
• M17: 16,228,527 km (0.095 R)
• M18: 16,539,690 km (0.113 R)
• M19: 17,067,322 km (0.089 R)
• M20: 18,660,689 km (0.095 R)
• M21: 19,059,816 km (0.105 R)
• M22: 19,522,821 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.4

Radius: 8.8

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.17 AU - 3.77 AU

Year: 2842 Days

Day: 12.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,698,189 km

• M1: 122,820 km (0.101 R)
• M2: 405,709 km (0.114 R)
• M3: 695,481 km (0.107 R)
• M4: 1,016,368 km (0.08 R)
• M5: 1,300,454 km (0.104 R)
• M6: 2,140,596 km (0.112 R)
• M7: 2,790,299 km (0.086 R)
• M8: 3,091,590 km (0.103 R)
• M9: 3,414,721 km (0.106 R)
• M10: 3,860,373 km (0.106 R)
• M11: 4,171,686 km (0.118 R)
• M12: 4,544,783 km (0.103 R)
• M13: 5,693,545 km (0.117 R)
• M14: 6,209,060 km (0.101 R)
• M15: 6,696,449 km (0.107 R)
• M16: 7,240,088 km (0.099 R)
• M17: 8,484,294 km (0.03 R)
• M18: 11,057,078 km (0.101 R)
• M19: 12,121,317 km (0.093 R)
• M20: 12,520,594 km (0.105 R)
• M21: 15,566,855 km (0.089 R)
• M22: 16,683,155 km (0.082 R)
• M23: 17,908,959 km (0.064 R)
• M24: 19,015,086 km (0.098 R)
• M25: 21,234,670 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.6

Radius: 12.8

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.07 AU - 4.09 AU

Year: 2978 Days

Day: 10.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,698,189 km

• M1: 162,164 km (0.108 R)
• M2: 638,933 km (0.118 R)
• M3: 1,075,758 km (0.114 R)
• M4: 1,585,588 km (0.119 R)
• M5: 2,312,783 km (0.113 R)
• M6: 2,722,232 km (0.038 R)
• M7: 3,611,442 km (0.088 R)
• M8: 4,145,955 km (0.118 R)
• M9: 5,146,167 km (0.047 R)
• M10: 5,962,672 km (0.098 R)
• M11: 6,863,850 km (0.076 R)
• M12: 7,395,371 km (0.074 R)
• M13: 7,954,268 km (0.106 R)
• M14: 8,576,596 km (0.119 R)
• M15: 9,647,567 km (0.1 R)
• M16: 11,526,666 km (0.099 R)
• M17: 11,965,586 km (0.044 R)
• M18: 12,830,261 km (0.105 R)
• M19: 15,357,568 km (0.108 R)
• M20: 15,943,393 km (0.071 R)
• M21: 18,318,708 km (0.119 R)
• M22: 18,796,524 km (0.107 R)
• M23: 19,467,171 km (0.065 R)
• M24: 21,181,114 km (0.054 R)
• M25: 22,514,031 km (0.073 R)
• M26: 23,131,720 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.1

Radius: 9.9

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.32 AU - 8.42 AU

Year: 8798 Days

Day: 14.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,698,189 km

• M1: 123,119 km (0.054 R)
• M2: 477,816 km (0.064 R)
• M3: 828,772 km (0.093 R)
• M4: 1,224,010 km (0.06 R)
• M5: 2,100,504 km (0.109 R)
• M6: 2,852,083 km (0.075 R)
• M7: 4,975,625 km (0.038 R)
• M8: 5,328,975 km (0.114 R)
• M9: 6,050,486 km (0.118 R)
• M10: 6,379,003 km (0.089 R)
• M11: 8,204,845 km (0.075 R)
• M12: 8,653,638 km (0.12 R)
• M13: 9,213,882 km (0.032 R)
• M14: 13,401,576 km (0.101 R)
• M15: 16,011,161 km (0.061 R)
• M16: 19,097,365 km (0.111 R)
• M17: 19,647,736 km (0.105 R)
• M18: 20,945,347 km (0.107 R)
• M19: 22,126,871 km (0.064 R)
• M20: 27,200,932 km (0.115 R)
• M21: 30,804,595 km (0.084 R)
• M22: 37,947,893 km (0.066 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 19,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit