🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.47 AU - 0.63 AU

Year: 259 Days

Day: 23.8 Hours

Environment

Temp: -118 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.4

Radius: 14.7

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.74 AU - 1 AU

Year: 516 Days

Day: 7.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 25,891,811 km

• M1: 182,809 km (0.091 R)
• M2: 855,550 km (0.115 R)
• M3: 2,142,989 km (0.107 R)
• M4: 3,048,954 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.1

Radius: 11.7

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.23 AU - 1.53 AU

Year: 1031 Days

Day: 7.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,891,811 km

• M1: 145,708 km (0.117 R)
• M2: 540,348 km (0.051 R)
• M3: 917,783 km (0.105 R)
• M4: 1,569,730 km (0.068 R)
• M5: 2,200,884 km (0.058 R)
• M6: 2,729,712 km (0.106 R)
• M7: 3,512,558 km (0.104 R)
• M8: 4,760,653 km (0.069 R)
• M9: 5,289,332 km (0.109 R)
• M10: 6,424,481 km (0.065 R)
• M11: 7,093,033 km (0.086 R)
• M12: 7,511,459 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.2

Radius: 11.9

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.69 AU - 3.32 AU

Year: 3304 Days

Day: 11 Hours

Environment

Temp: -209 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,891,811 km

• M1: 148,251 km (0.042 R)
• M2: 556,953 km (0.103 R)
• M3: 996,172 km (0.108 R)
• M4: 1,496,577 km (0.095 R)
• M5: 1,887,327 km (0.099 R)
• M6: 2,573,532 km (0.113 R)
• M7: 3,001,681 km (0.105 R)
• M8: 3,439,105 km (0.085 R)
• M9: 3,835,989 km (0.119 R)
• M10: 5,240,862 km (0.045 R)
• M11: 5,962,373 km (0.117 R)
• M12: 7,120,260 km (0.088 R)
• M13: 9,037,207 km (0.075 R)
• M14: 11,063,062 km (0.103 R)
• M15: 11,801,178 km (0.107 R)
• M16: 13,183,462 km (0.095 R)
• M17: 14,722,375 km (0.1 R)
• M18: 15,190,766 km (0.099 R)
• M19: 17,107,713 km (0.057 R)
• M20: 18,332,621 km (0.088 R)
• M21: 20,631,641 km (0.056 R)
• M22: 21,021,792 km (0.109 R)
• M23: 22,018,712 km (0.102 R)
• M24: 23,326,497 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.3

Radius: 10.4

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.24 AU - 3.66 AU

Year: 4074 Days

Day: 10.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 145.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,891,811 km

• M1: 132,245 km (0.092 R)
• M2: 618,288 km (0.049 R)
• M3: 1,146,368 km (0.095 R)
• M4: 1,587,383 km (0.057 R)
• M5: 2,126,235 km (0.066 R)
• M6: 2,941,244 km (0.067 R)
• M7: 4,313,505 km (0.095 R)
• M8: 4,671,942 km (0.098 R)
• M9: 5,207,352 km (0.114 R)
• M10: 7,359,617 km (0.063 R)
• M11: 9,559,603 km (0.03 R)
• M12: 10,006,003 km (0.084 R)
• M13: 12,307,716 km (0.079 R)
• M14: 14,250,843 km (0.101 R)
• M15: 15,049,995 km (0.069 R)
• M16: 15,432,965 km (0.064 R)
• M17: 18,485,510 km (0.064 R)
• M18: 18,925,028 km (0.116 R)
• M19: 23,346,094 km (0.097 R)

Asteroid Belt

Center: 4.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.5

Radius: 11.9

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.15 AU - 6.61 AU

Year: 7934 Days

Day: 5.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 25,891,811 km

• M1: 207,193 km (0.099 R)
• M2: 857,046 km (0.093 R)
• M3: 1,710,652 km (0.06 R)
• M4: 2,082,702 km (0.095 R)
• M5: 2,525,362 km (0.09 R)
• M6: 4,090,155 km (0.077 R)
• M7: 4,501,550 km (0.054 R)
• M8: 5,042,196 km (0.038 R)
• M9: 5,462,117 km (0.077 R)
• M10: 8,350,254 km (0.113 R)
• M11: 8,752,971 km (0.118 R)
• M12: 9,479,269 km (0.068 R)
• M13: 10,328,237 km (0.107 R)
• M14: 11,315,583 km (0.095 R)
• M15: 12,084,965 km (0.086 R)
• M16: 13,427,905 km (0.094 R)
• M17: 13,879,990 km (0.051 R)
• M18: 16,125,902 km (0.101 R)
• M19: 16,522,486 km (0.043 R)
• M20: 17,512,824 km (0.049 R)
• M21: 18,604,141 km (0.086 R)
• M22: 19,869,290 km (0.095 R)
• M23: 20,989,030 km (0.092 R)
• M24: 21,530,425 km (0.066 R)
• M25: 23,571,089 km (0.111 R)
• M26: 24,601,071 km (0.087 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: 243 - 18,653 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit