🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.1

Radius: 9.8

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.42 AU - 0.66 AU

Year: 269 Days

Day: 8.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,939,633 km

• M1: 121,922 km (0.1 R)
• M2: 466,147 km (0.039 R)
• M3: 789,578 km (0.12 R)
• M4: 1,286,691 km (0.066 R)
• M5: 1,969,007 km (0.111 R)
• M6: 2,353,922 km (0.12 R)
• M7: 2,886,042 km (0.114 R)
• M8: 3,266,170 km (0.068 R)
• M9: 4,090,305 km (0.082 R)
• M10: 4,667,005 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.4

Radius: 13.7

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.79 AU - 1.31 AU

Year: 730 Days

Day: 5.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 17,939,633 km

• M1: 175,628 km (0.109 R)
• M2: 620,981 km (0.104 R)
• M3: 1,123,779 km (0.085 R)
• M4: 1,938,190 km (0.071 R)
• M5: 2,417,352 km (0.059 R)
• M6: 2,888,735 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.2

Radius: 11.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.17 AU - 1.45 AU

Year: 1017 Days

Day: 6.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,939,633 km

• M1: 148,102 km (0.09 R)
• M2: 718,219 km (0.044 R)
• M3: 1,101,788 km (0.073 R)
• M4: 1,494,632 km (0.114 R)
• M5: 2,106,338 km (0.109 R)
• M6: 2,509,953 km (0.054 R)
• M7: 2,904,143 km (0.105 R)
• M8: 3,286,516 km (0.112 R)
• M9: 3,731,569 km (0.081 R)
• M10: 4,216,865 km (0.078 R)
• M11: 4,988,341 km (0.114 R)
• M12: 7,011,802 km (0.111 R)
• M13: 7,563,818 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.8

Radius: 8.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.35 AU - 1.41 AU

Year: 1100 Days

Day: 6.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,939,633 km

• M1: 108,907 km (0.115 R)
• M2: 390,151 km (0.058 R)
• M3: 680,072 km (0.085 R)
• M4: 1,055,263 km (0.058 R)
• M5: 1,659,639 km (0.109 R)
• M6: 1,980,975 km (0.05 R)
• M7: 2,803,464 km (0.094 R)
• M8: 3,443,145 km (0.076 R)
• M9: 4,447,844 km (0.099 R)
• M10: 5,089,768 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.3

Radius: 9.3

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.65 AU - 2.15 AU

Year: 1776 Days

Day: 12.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,939,633 km

• M1: 115,789 km (0.091 R)
• M2: 510,278 km (0.055 R)
• M3: 802,892 km (0.045 R)
• M4: 1,532,481 km (0.043 R)
• M5: 2,097,512 km (0.103 R)
• M6: 2,563,958 km (0.085 R)
• M7: 3,084,110 km (0.117 R)
• M8: 3,438,208 km (0.079 R)
• M9: 4,761,999 km (0.038 R)
• M10: 6,327,840 km (0.081 R)
• M11: 6,658,900 km (0.101 R)
• M12: 8,155,627 km (0.119 R)
• M13: 8,662,764 km (0.101 R)
• M14: 10,937,549 km (0.051 R)
• M15: 11,277,585 km (0.101 R)
• M16: 11,978,601 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.3

Radius: 11

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.75 AU - 2.47 AU

Year: 2079 Days

Day: 8.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 103.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,939,633 km

• M1: 136,882 km (0.062 R)
• M2: 507,586 km (0.097 R)
• M3: 999,164 km (0.062 R)
• M4: 1,572,722 km (0.094 R)
• M5: 2,114,716 km (0.062 R)
• M6: 2,478,238 km (0.093 R)
• M7: 2,868,539 km (0.117 R)
• M8: 3,923,803 km (0.036 R)
• M9: 4,753,024 km (0.098 R)
• M10: 5,267,042 km (0.078 R)
• M11: 6,460,085 km (0.063 R)
• M12: 8,257,354 km (0.104 R)
• M13: 10,184,025 km (0.101 R)
• M14: 12,518,350 km (0.12 R)
• M15: 13,765,547 km (0.111 R)
• M16: 15,379,110 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831

Radius: 10

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.59 AU - 2.63 AU

Year: 2079 Days

Day: 6.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 17,939,633 km

• M1: 124,316 km (0.073 R)
• M2: 459,714 km (0.112 R)
• M3: 969,544 km (0.097 R)
• M4: 1,631,664 km (0.115 R)
• M5: 2,233,197 km (0.085 R)
• M6: 2,629,332 km (0.112 R)
• M7: 3,406,344 km (0.079 R)
• M8: 3,727,680 km (0.075 R)
• M9: 4,049,914 km (0.077 R)
• M10: 4,621,527 km (0.105 R)
• M11: 6,208,910 km (0.119 R)
• M12: 6,554,631 km (0.109 R)
• M13: 6,885,392 km (0.107 R)
• M14: 7,461,194 km (0.099 R)
• M15: 8,131,542 km (0.042 R)
• M16: 10,274,083 km (0.09 R)
• M17: 10,873,222 km (0.111 R)
• M18: 12,100,224 km (0.102 R)
• M19: 14,087,631 km (0.116 R)
• M20: 15,447,027 km (0.115 R)
• M21: 16,183,498 km (0.117 R)
• M22: 16,789,519 km (0.088 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 17,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit