🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.3

Radius: 8.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.52 AU - 0.66 AU

Year: 302 Days

Day: 9.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,501,032 km

• M1: 105,915 km (0.073 R)
• M2: 385,813 km (0.092 R)
• M3: 655,837 km (0.075 R)
• M4: 988,094 km (0.066 R)
• M5: 1,317,808 km (0.09 R)
• M6: 1,727,107 km (0.087 R)
• M7: 2,168,272 km (0.062 R)
• M8: 2,934,063 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.9

Radius: 13.6

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.57 AU - 0.87 AU

Year: 407 Days

Day: 8.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,501,032 km

• M1: 169,195 km (0.083 R)
• M2: 625,319 km (0.06 R)
• M3: 1,194,988 km (0.073 R)
• M4: 1,735,036 km (0.101 R)
• M5: 2,370,677 km (0.041 R)
• M6: 2,884,397 km (0.082 R)
• M7: 3,440,153 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.2

Radius: 14.3

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.65 AU - 0.93 AU

Year: 468 Days

Day: 6.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 84,501,032 km

• M1: 177,872 km (0.095 R)
• M2: 911,500 km (0.109 R)
• M3: 2,538,676 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.1

Radius: 14.4

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.81 AU - 1.15 AU

Year: 647 Days

Day: 14.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,501,032 km

• M1: 180,565 km (0.114 R)
• M2: 686,355 km (0.092 R)
• M3: 1,182,870 km (0.08 R)
• M4: 1,684,622 km (0.074 R)
• M5: 2,152,713 km (0.081 R)
• M6: 2,630,080 km (0.054 R)
• M7: 3,090,243 km (0.101 R)
• M8: 3,572,248 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.1

Radius: 10.3

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.45 AU - 3.61 AU

Year: 4423 Days

Day: 13.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 138.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,501,032 km

• M1: 128,205 km (0.106 R)
• M2: 476,020 km (0.11 R)
• M3: 824,284 km (0.054 R)
• M4: 1,245,402 km (0.053 R)
• M5: 1,877,004 km (0.116 R)
• M6: 2,570,690 km (0.06 R)
• M7: 3,490,567 km (0.084 R)
• M8: 4,168,694 km (0.06 R)
• M9: 4,668,052 km (0.104 R)
• M10: 6,061,556 km (0.042 R)
• M11: 6,506,311 km (0.088 R)
• M12: 6,904,839 km (0.106 R)
• M13: 7,426,038 km (0.12 R)
• M14: 8,429,990 km (0.118 R)
• M15: 9,107,070 km (0.073 R)
• M16: 10,615,016 km (0.089 R)
• M17: 11,404,743 km (0.114 R)
• M18: 11,789,659 km (0.102 R)
• M19: 14,064,294 km (0.069 R)
• M20: 14,619,452 km (0.114 R)
• M21: 18,459,330 km (0.119 R)
• M22: 20,645,853 km (0.076 R)
• M23: 23,770,653 km (0.041 R)
• M24: 25,282,788 km (0.066 R)
• M25: 26,773,381 km (0.077 R)
• M26: 28,850,997 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.7

Radius: 6.2

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.9 AU - 6.1 AU

Year: 9801 Days

Day: 23.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,501,032 km

• M1: 77,043 km (0.072 R)
• M2: 278,252 km (0.117 R)
• M3: 788,231 km (0.084 R)
• M4: 1,002,156 km (0.059 R)
• M5: 1,199,027 km (0.055 R)
• M6: 1,459,776 km (0.117 R)
• M7: 2,551,242 km (0.112 R)
• M8: 3,951,029 km (0.097 R)
• M9: 4,288,223 km (0.061 R)
• M10: 4,644,266 km (0.114 R)
• M11: 5,897,597 km (0.045 R)
• M12: 6,166,125 km (0.062 R)
• M13: 6,548,796 km (0.118 R)
• M14: 9,638,441 km (0.09 R)
• M15: 12,238,003 km (0.114 R)
• M16: 12,455,519 km (0.065 R)
• M17: 13,581,841 km (0.07 R)
• M18: 14,110,221 km (0.111 R)
• M19: 14,835,920 km (0.047 R)
• M20: 16,758,701 km (0.114 R)
• M21: 17,988,845 km (0.084 R)
• M22: 19,498,736 km (0.103 R)
• M23: 20,020,234 km (0.116 R)
• M24: 21,799,402 km (0.093 R)
• M25: 22,119,242 km (0.045 R)
• M26: 22,932,606 km (0.095 R)
• M27: 23,513,644 km (0.12 R)
• M28: 26,115,450 km (0.043 R)
• M29: 28,520,385 km (0.074 R)
• M30: 29,776,409 km (0.111 R)
• M31: 31,068,935 km (0.038 R)
• M32: 31,271,191 km (0.049 R)
• M33: 33,340,877 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.9

Radius: 6.3

Gravity: 24.26 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.35 AU - 10.79 AU

Year: 19742 Days

Day: 16.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 84,501,032 km

• M1: 81,381 km (0.086 R)
• M2: 330,462 km (0.096 R)
• M3: 1,159,982 km (0.087 R)
• M4: 1,511,387 km (0.062 R)
• M5: 1,796,072 km (0.07 R)
• M6: 2,450,114 km (0.117 R)
• M7: 2,767,561 km (0.033 R)
• M8: 3,545,021 km (0.086 R)
• M9: 6,112,270 km (0.109 R)
• M10: 6,468,014 km (0.08 R)
• M11: 8,899,428 km (0.09 R)
• M12: 10,568,042 km (0.095 R)
• M13: 14,667,323 km (0.069 R)
• M14: 17,328,969 km (0.051 R)
• M15: 19,715,803 km (0.105 R)
• M16: 21,490,931 km (0.082 R)
• M17: 22,002,406 km (0.102 R)
• M18: 25,583,480 km (0.068 R)
• M19: 33,055,295 km (0.091 R)
• M20: 33,326,815 km (0.055 R)
• M21: 35,836,768 km (0.099 R)
• M22: 40,295,533 km (0.047 R)
• M23: 42,979,319 km (0.069 R)
• M24: 49,759,393 km (0.062 R)
• M25: 52,291,337 km (0.116 R)
• M26: 53,588,800 km (0.106 R)
• M27: 54,151,437 km (0.079 R)
• M28: 54,907,654 km (0.111 R)
• M29: 55,862,837 km (0.083 R)
• M30: 58,200,453 km (0.083 R)
• M31: 74,072,039 km (0.076 R)
• M32: 78,808,757 km (0.082 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 10,480 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit