🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.5

Radius: 13

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.57 AU - 0.93 AU

Year: 419 Days

Day: 11.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,038,254 km

• M1: 161,865 km (0.036 R)
• M2: 569,220 km (0.045 R)
• M3: 1,041,351 km (0.116 R)
• M4: 1,502,561 km (0.084 R)
• M5: 2,069,836 km (0.095 R)
• M6: 3,114,927 km (0.104 R)
• M7: 3,726,483 km (0.108 R)
• M8: 4,190,835 km (0.102 R)
• M9: 4,836,798 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 9.8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.79 AU - 0.81 AU

Year: 462 Days

Day: 11.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,038,254 km

• M1: 121,922 km (0.045 R)
• M2: 470,485 km (0.075 R)
• M3: 795,711 km (0.073 R)
• M4: 1,125,574 km (0.102 R)
• M5: 1,635,554 km (0.117 R)
• M6: 2,116,810 km (0.087 R)
• M7: 2,538,077 km (0.113 R)
• M8: 3,046,411 km (0.111 R)
• M9: 3,387,793 km (0.102 R)
• M10: 4,187,693 km (0.081 R)
• M11: 4,499,306 km (0.081 R)
• M12: 5,018,261 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.1

Radius: 14.5

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.72 AU - 0.9 AU

Year: 471 Days

Day: 13.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 19,038,254 km

• M1: 180,415 km (0.093 R)
• M2: 681,867 km (0.043 R)
• M3: 1,291,628 km (0.096 R)
• M4: 2,041,562 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.9

Radius: 8

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.94 AU - 1.32 AU

Year: 776 Days

Day: 7.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 19,038,254 km

• M1: 99,632 km (0.107 R)
• M2: 426,204 km (0.098 R)
• M3: 685,308 km (0.117 R)
• M4: 973,134 km (0.043 R)
• M5: 1,279,361 km (0.12 R)
• M6: 1,617,303 km (0.107 R)
• M7: 1,948,363 km (0.057 R)
• M8: 2,200,585 km (0.103 R)
• M9: 2,748,113 km (0.036 R)
• M10: 3,663,502 km (0.108 R)
• M11: 3,913,779 km (0.105 R)
• M12: 4,191,284 km (0.075 R)
• M13: 4,666,107 km (0.118 R)
• M14: 5,703,718 km (0.083 R)
• M15: 6,163,283 km (0.059 R)
• M16: 6,454,999 km (0.104 R)
• M17: 7,715,211 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.3

Radius: 9.6

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.37 AU - 1.99 AU

Year: 1406 Days

Day: 11.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,038,254 km

• M1: 119,379 km (0.057 R)
• M2: 420,520 km (0.112 R)
• M3: 810,222 km (0.104 R)
• M4: 1,378,844 km (0.032 R)
• M5: 1,848,132 km (0.104 R)
• M6: 2,341,057 km (0.064 R)
• M7: 3,000,036 km (0.09 R)
• M8: 3,560,280 km (0.109 R)
• M9: 3,971,524 km (0.105 R)
• M10: 6,363,893 km (0.076 R)
• M11: 6,686,426 km (0.093 R)
• M12: 7,540,929 km (0.083 R)
• M13: 8,302,532 km (0.111 R)
• M14: 8,744,295 km (0.118 R)
• M15: 9,765,450 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.2

Radius: 11.1

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.64 AU - 2.12 AU

Year: 1664 Days

Day: 9.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,038,254 km

• M1: 141,819 km (0.101 R)
• M2: 532,568 km (0.115 R)
• M3: 972,087 km (0.037 R)
• M4: 1,616,255 km (0.116 R)
• M5: 2,201,033 km (0.099 R)
• M6: 2,829,045 km (0.057 R)
• M7: 3,984,390 km (0.107 R)
• M8: 4,332,803 km (0.081 R)
• M9: 4,751,528 km (0.059 R)
• M10: 5,375,949 km (0.107 R)
• M11: 5,937,240 km (0.103 R)
• M12: 8,048,066 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.3

Radius: 9.9

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.93 AU - 2.77 AU

Year: 2326 Days

Day: 6 Hours

Environment

Temp: -195 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 19,038,254 km

• M1: 127,009 km (0.089 R)
• M2: 487,240 km (0.09 R)
• M3: 821,592 km (0.114 R)
• M4: 1,342,790 km (0.101 R)
• M5: 1,767,499 km (0.09 R)
• M6: 2,632,175 km (0.106 R)
• M7: 2,971,163 km (0.094 R)
• M8: 3,339,324 km (0.103 R)
• M9: 4,087,463 km (0.115 R)
• M10: 5,128,215 km (0.101 R)
• M11: 5,561,151 km (0.094 R)
• M12: 5,914,651 km (0.041 R)
• M13: 6,694,804 km (0.1 R)
• M14: 7,633,680 km (0.108 R)
• M15: 8,102,969 km (0.116 R)
• M16: 8,792,166 km (0.069 R)
• M17: 10,590,482 km (0.096 R)
• M18: 11,495,100 km (0.095 R)
• M19: 12,450,432 km (0.056 R)
• M20: 14,283,305 km (0.118 R)
• M21: 14,660,891 km (0.066 R)
• M22: 15,142,147 km (0.031 R)
• M23: 18,144,726 km (0.114 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 20,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit