🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.2

Radius: 11.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.58 AU - 0.62 AU

Year: 321 Days

Day: 10.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,553,696 km

• M1: 144,212 km (0.109 R)
• M2: 536,757 km (0.081 R)
• M3: 906,713 km (0.104 R)
• M4: 1,299,258 km (0.095 R)
• M5: 2,239,779 km (0.118 R)
• M6: 2,825,006 km (0.06 R)
• M7: 4,252,619 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.1

Radius: 14.5

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.06 AU - 1.56 AU

Year: 1035 Days

Day: 14.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 132.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,553,696 km

• M1: 180,415 km (0.099 R)
• M2: 664,514 km (0.079 R)
• M3: 1,596,209 km (0.107 R)
• M4: 2,418,100 km (0.119 R)
• M5: 2,945,582 km (0.099 R)
• M6: 3,703,146 km (0.075 R)
• M7: 4,457,867 km (0.05 R)
• M8: 4,924,164 km (0.086 R)
• M9: 7,839,228 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.6

Radius: 14.1

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.21 AU - 1.89 AU

Year: 1332 Days

Day: 13.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,553,696 km

• M1: 175,329 km (0.106 R)
• M2: 728,242 km (0.067 R)
• M3: 1,285,943 km (0.111 R)
• M4: 1,736,083 km (0.096 R)
• M5: 2,271,494 km (0.114 R)
• M6: 2,773,545 km (0.093 R)
• M7: 3,394,226 km (0.076 R)
• M8: 3,842,421 km (0.071 R)
• M9: 4,897,834 km (0.105 R)
• M10: 5,452,992 km (0.1 R)
• M11: 6,502,720 km (0.038 R)
• M12: 7,100,813 km (0.099 R)
• M13: 7,840,424 km (0.114 R)
• M14: 8,518,701 km (0.102 R)
• M15: 9,384,125 km (0.119 R)
• M16: 11,528,610 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.6

Radius: 11.4

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.77 AU - 2.01 AU

Year: 1794 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,553,696 km

• M1: 141,968 km (0.099 R)
• M2: 800,349 km (0.081 R)
• M3: 2,450,114 km (0.064 R)
• M4: 4,023,734 km (0.045 R)
• M5: 6,981,284 km (0.118 R)
• M6: 9,501,110 km (0.036 R)
• M7: 10,340,803 km (0.061 R)
• M8: 11,692,420 km (0.066 R)
• M9: 12,656,728 km (0.098 R)
• M10: 14,201,625 km (0.096 R)
• M11: 15,534,692 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.8

Radius: 9.7

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.12 AU - 3.4 AU

Year: 4063 Days

Day: 9 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,553,696 km

• M1: 120,875 km (0.084 R)
• M2: 651,499 km (0.026 R)
• M3: 1,155,344 km (0.065 R)
• M4: 1,598,154 km (0.108 R)
• M5: 2,095,567 km (0.096 R)
• M6: 2,562,462 km (0.096 R)
• M7: 3,006,468 km (0.081 R)
• M8: 3,362,811 km (0.108 R)
• M9: 3,684,895 km (0.109 R)
• M10: 5,133,301 km (0.097 R)
• M11: 6,801,916 km (0.082 R)
• M12: 7,319,824 km (0.09 R)
• M13: 7,656,718 km (0.069 R)
• M14: 8,470,979 km (0.072 R)
• M15: 9,658,637 km (0.096 R)
• M16: 11,802,823 km (0.05 R)
• M17: 16,544,777 km (0.088 R)
• M18: 17,481,858 km (0.099 R)
• M19: 19,079,712 km (0.084 R)
• M20: 19,461,935 km (0.078 R)
• M21: 19,784,318 km (0.118 R)
• M22: 21,586,973 km (0.11 R)
• M23: 24,157,513 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.7

Radius: 14.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.76 AU - 5.44 AU

Year: 6810 Days

Day: 12.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,553,696 km

• M1: 181,612 km (0.086 R)
• M2: 637,586 km (0.112 R)
• M3: 1,446,611 km (0.064 R)
• M4: 1,913,656 km (0.047 R)
• M5: 3,575,838 km (0.097 R)
• M6: 4,295,852 km (0.108 R)
• M7: 4,912,046 km (0.101 R)
• M8: 5,465,259 km (0.051 R)
• M9: 6,593,975 km (0.102 R)
• M10: 7,342,712 km (0.084 R)
• M11: 7,834,291 km (0.109 R)
• M12: 9,181,869 km (0.112 R)
• M13: 9,663,873 km (0.119 R)
• M14: 10,489,354 km (0.117 R)
• M15: 12,867,362 km (0.107 R)
• M16: 14,503,065 km (0.098 R)
• M17: 15,037,728 km (0.03 R)
• M18: 22,055,962 km (0.118 R)
• M19: 22,526,298 km (0.06 R)
• M20: 23,731,757 km (0.087 R)
• M21: 30,027,733 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.6

Radius: 9.3

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.53 AU - 5.71 AU

Year: 6854 Days

Day: 12.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,553,696 km

• M1: 116,238 km (0.092 R)
• M2: 498,311 km (0.109 R)
• M3: 865,274 km (0.103 R)
• M4: 1,343,538 km (0.108 R)
• M5: 1,664,576 km (0.102 R)
• M6: 1,961,378 km (0.051 R)
• M7: 2,310,539 km (0.112 R)
• M8: 3,370,141 km (0.088 R)
• M9: 4,298,396 km (0.111 R)
• M10: 4,670,446 km (0.103 R)
• M11: 5,092,760 km (0.07 R)
• M12: 5,388,366 km (0.091 R)
• M13: 5,917,344 km (0.085 R)
• M14: 9,712,492 km (0.114 R)
• M15: 12,775,359 km (0.115 R)
• M16: 13,434,637 km (0.11 R)
• M17: 13,829,725 km (0.034 R)
• M18: 14,761,869 km (0.084 R)
• M19: 15,304,161 km (0.075 R)
• M20: 16,686,146 km (0.053 R)
• M21: 17,540,799 km (0.108 R)
• M22: 18,149,363 km (0.069 R)
• M23: 18,493,438 km (0.067 R)
• M24: 19,408,678 km (0.102 R)
• M25: 20,725,289 km (0.107 R)
• M26: 21,025,831 km (0.042 R)
• M27: 21,789,827 km (0.052 R)
• M28: 26,238,719 km (0.099 R)
• M29: 33,577,840 km (0.108 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: 517 - 18,350 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit