🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.3

Radius: 8.6

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.51 AU - 0.81 AU

Year: 358 Days

Day: 10.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,043,016 km

• M1: 107,561 km (0.066 R)
• M2: 389,553 km (0.096 R)
• M3: 728,093 km (0.092 R)
• M4: 1,053,468 km (0.092 R)
• M5: 1,376,600 km (0.062 R)
• M6: 1,731,745 km (0.061 R)
• M7: 2,002,068 km (0.05 R)
• M8: 2,325,648 km (0.096 R)
• M9: 2,739,586 km (0.107 R)
• M10: 3,264,674 km (0.117 R)
• M11: 3,727,231 km (0.118 R)
• M12: 4,170,340 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.8

Radius: 13

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.87 AU - 1.19 AU

Year: 697 Days

Day: 13.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,043,016 km

• M1: 161,715 km (0.101 R)
• M2: 701,614 km (0.118 R)
• M3: 1,496,278 km (0.06 R)
• M4: 2,021,516 km (0.072 R)
• M5: 2,489,608 km (0.112 R)
• M6: 2,992,705 km (0.107 R)
• M7: 4,497,959 km (0.07 R)
• M8: 4,943,162 km (0.112 R)
• M9: 5,436,835 km (0.061 R)
• M10: 5,963,420 km (0.105 R)
• M11: 6,588,141 km (0.083 R)
• M12: 7,006,267 km (0.076 R)
• M13: 7,465,383 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.9

Radius: 8

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.13 AU - 1.17 AU

Year: 822 Days

Day: 5.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,043,016 km

• M1: 100,081 km (0.057 R)
• M2: 391,946 km (0.058 R)
• M3: 641,924 km (0.12 R)
• M4: 1,040,304 km (0.119 R)
• M5: 2,213,151 km (0.095 R)
• M6: 2,669,275 km (0.081 R)
• M7: 3,094,133 km (0.101 R)
• M8: 3,799,936 km (0.088 R)
• M9: 4,643,518 km (0.093 R)
• M10: 5,090,965 km (0.082 R)
• M11: 6,010,094 km (0.064 R)
• M12: 7,035,588 km (0.057 R)
• M13: 7,921,506 km (0.113 R)
• M14: 8,326,917 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.2

Radius: 8.6

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.18 AU - 1.7 AU

Year: 1152 Days

Day: 14.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,043,016 km

• M1: 106,962 km (0.026 R)
• M2: 380,727 km (0.101 R)
• M3: 676,182 km (0.103 R)
• M4: 955,781 km (0.096 R)
• M5: 1,224,159 km (0.118 R)
• M6: 1,596,658 km (0.101 R)
• M7: 2,414,659 km (0.12 R)
• M8: 2,964,880 km (0.08 R)
• M9: 3,787,668 km (0.119 R)
• M10: 4,173,930 km (0.099 R)
• M11: 4,947,351 km (0.037 R)
• M12: 5,225,454 km (0.092 R)
• M13: 6,100,452 km (0.115 R)
• M14: 6,420,741 km (0.064 R)
• M15: 7,500,837 km (0.119 R)
• M16: 8,166,249 km (0.098 R)
• M17: 8,754,916 km (0.093 R)
• M18: 9,923,276 km (0.094 R)
• M19: 11,192,165 km (0.11 R)
• M20: 11,812,996 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.5

Radius: 9.9

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.36 AU - 1.74 AU

Year: 1287 Days

Day: 12.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,043,016 km

• M1: 123,269 km (0.085 R)
• M2: 561,890 km (0.103 R)
• M3: 955,482 km (0.05 R)
• M4: 1,979,778 km (0.074 R)
• M5: 2,390,574 km (0.106 R)
• M6: 2,925,536 km (0.098 R)
• M7: 3,476,954 km (0.059 R)
• M8: 4,654,289 km (0.071 R)
• M9: 5,201,518 km (0.103 R)
• M10: 6,307,944 km (0.085 R)
• M11: 6,733,699 km (0.111 R)
• M12: 7,512,207 km (0.102 R)
• M13: 7,855,983 km (0.045 R)
• M14: 8,518,552 km (0.08 R)
• M15: 9,766,946 km (0.106 R)
• M16: 10,113,265 km (0.083 R)
• M17: 11,133,373 km (0.088 R)
• M18: 11,511,556 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.2

Radius: 8.5

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.6 AU - 2.16 AU

Year: 1719 Days

Day: 7.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,043,016 km

• M1: 106,065 km (0.05 R)
• M2: 464,801 km (0.118 R)
• M3: 733,778 km (0.112 R)
• M4: 1,540,409 km (0.107 R)
• M5: 3,224,433 km (0.079 R)
• M6: 3,517,644 km (0.059 R)
• M7: 4,310,513 km (0.051 R)
• M8: 4,937,328 km (0.077 R)
• M9: 5,283,797 km (0.073 R)
• M10: 5,763,258 km (0.092 R)
• M11: 7,889,044 km (0.049 R)
• M12: 8,515,709 km (0.066 R)
• M13: 12,235,909 km (0.116 R)
• M14: 14,124,283 km (0.079 R)
• M15: 14,471,350 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.7

Radius: 12

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.61 AU - 4.01 AU

Year: 4016 Days

Day: 7.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,043,016 km

• M1: 150,346 km (0.049 R)
• M2: 1,076,656 km (0.041 R)
• M3: 2,170,815 km (0.096 R)
• M4: 3,196,757 km (0.08 R)
• M5: 4,345,669 km (0.119 R)
• M6: 5,717,182 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.5

Radius: 11.5

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4 AU - 5.66 AU

Year: 7079 Days

Day: 13.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,043,016 km

• M1: 289,472 km (0.105 R)
• M2: 2,031,689 km (0.101 R)
• M3: 3,588,853 km (0.066 R)
• M4: 4,910,550 km (0.092 R)
• M5: 5,369,816 km (0.08 R)
• M6: 5,976,884 km (0.114 R)
• M7: 7,259,536 km (0.1 R)
• M8: 9,434,091 km (0.064 R)
• M9: 10,759,528 km (0.114 R)
• M10: 15,479,191 km (0.103 R)
• M11: 17,011,821 km (0.082 R)
• M12: 18,130,514 km (0.092 R)
• M13: 24,392,830 km (0.037 R)
• M14: 25,733,975 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.9

Radius: 6.4

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.78 AU - 9.4 AU

Year: 13944 Days

Day: 15.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,043,016 km

• M1: 79,736 km (0.065 R)
• M2: 292,015 km (0.065 R)
• M3: 516,412 km (0.086 R)
• M4: 898,335 km (0.11 R)
• M5: 1,164,619 km (0.099 R)
• M6: 1,497,175 km (0.063 R)
• M7: 2,026,004 km (0.114 R)
• M8: 2,296,028 km (0.115 R)
• M9: 3,135,571 km (0.116 R)
• M10: 3,448,081 km (0.116 R)
• M11: 4,306,773 km (0.11 R)
• M12: 5,502,210 km (0.094 R)
• M13: 6,514,239 km (0.098 R)
• M14: 7,947,088 km (0.11 R)
• M15: 8,901,073 km (0.04 R)
• M16: 9,727,602 km (0.099 R)
• M17: 9,980,123 km (0.09 R)
• M18: 11,034,339 km (0.102 R)
• M19: 12,277,647 km (0.046 R)
• M20: 12,933,185 km (0.099 R)
• M21: 13,549,079 km (0.118 R)
• M22: 15,928,732 km (0.025 R)
• M23: 21,073,702 km (0.077 R)
• M24: 21,667,905 km (0.113 R)
• M25: 22,978,532 km (0.116 R)
• M26: 28,237,047 km (0.055 R)
• M27: 28,855,036 km (0.034 R)
• M28: 38,985,504 km (0.075 R)
• M29: 49,297,286 km (0.096 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: 393 - 11,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit