🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.3

Radius: 12.6

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1 AU - 1.52 AU

Year: 959 Days

Day: 8.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,930,366 km

• M1: 156,629 km (0.119 R)
• M2: 550,670 km (0.086 R)
• M3: 1,034,170 km (0.106 R)
• M4: 1,494,333 km (0.112 R)
• M5: 2,354,521 km (0.104 R)
• M6: 2,834,132 km (0.108 R)
• M7: 3,435,515 km (0.088 R)
• M8: 3,867,105 km (0.076 R)
• M9: 4,574,553 km (0.062 R)
• M10: 5,484,108 km (0.118 R)
• M11: 5,909,265 km (0.091 R)
• M12: 6,555,079 km (0.108 R)
• M13: 7,105,151 km (0.119 R)
• M14: 8,376,882 km (0.075 R)
• M15: 9,053,364 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.3

Radius: 11

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.15 AU - 1.45 AU

Year: 1005 Days

Day: 5.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,930,366 km

• M1: 137,331 km (0.061 R)
• M2: 481,256 km (0.118 R)
• M3: 960,867 km (0.068 R)
• M4: 1,379,741 km (0.097 R)
• M5: 1,755,232 km (0.04 R)
• M6: 2,220,780 km (0.119 R)
• M7: 2,829,793 km (0.118 R)
• M8: 3,208,426 km (0.102 R)
• M9: 3,620,867 km (0.077 R)
• M10: 4,084,919 km (0.109 R)
• M11: 4,433,034 km (0.108 R)
• M12: 5,039,204 km (0.066 R)
• M13: 5,460,173 km (0.061 R)
• M14: 5,988,104 km (0.087 R)
• M15: 7,506,821 km (0.081 R)
• M16: 8,906,309 km (0.038 R)
• M17: 9,697,084 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.5

Radius: 14.1

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.22 AU - 1.68 AU

Year: 1184 Days

Day: 8 Hours

Environment

Temp: -184 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,930,366 km

• M1: 175,329 km (0.109 R)
• M2: 690,544 km (0.063 R)
• M3: 1,453,343 km (0.108 R)
• M4: 2,523,716 km (0.119 R)
• M5: 2,967,872 km (0.085 R)
• M6: 3,637,323 km (0.095 R)
• M7: 4,315,450 km (0.106 R)
• M8: 5,016,765 km (0.111 R)
• M9: 8,156,525 km (0.113 R)
• M10: 9,725,058 km (0.099 R)
• M11: 11,486,424 km (0.088 R)
• M12: 12,685,750 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.9

Radius: 9.9

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.69 AU - 2.29 AU

Year: 1904 Days

Day: 8.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,930,366 km

• M1: 123,119 km (0.039 R)
• M2: 453,581 km (0.048 R)
• M3: 1,299,258 km (0.09 R)
• M4: 1,798,914 km (0.1 R)
• M5: 2,509,055 km (0.077 R)
• M6: 3,070,048 km (0.092 R)
• M7: 3,778,244 km (0.092 R)
• M8: 4,686,752 km (0.115 R)
• M9: 5,000,159 km (0.092 R)
• M10: 5,734,685 km (0.086 R)
• M11: 8,631,498 km (0.114 R)
• M12: 9,438,878 km (0.03 R)
• M13: 10,361,448 km (0.111 R)
• M14: 10,760,276 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.3

Radius: 11.9

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.59 AU - 3.35 AU

Year: 3472 Days

Day: 10.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,930,366 km

• M1: 147,952 km (0.095 R)
• M2: 524,490 km (0.106 R)
• M3: 2,768,907 km (0.061 R)
• M4: 5,524,799 km (0.11 R)
• M5: 11,407,885 km (0.105 R)
• M6: 12,734,968 km (0.038 R)
• M7: 14,120,244 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.2

Radius: 11.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.08 AU - 4.28 AU

Year: 5796 Days

Day: 14.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,930,366 km

• M1: 146,905 km (0.057 R)
• M2: 566,976 km (0.098 R)
• M3: 1,123,181 km (0.119 R)
• M4: 2,547,353 km (0.095 R)
• M5: 3,376,574 km (0.119 R)
• M6: 3,926,645 km (0.095 R)
• M7: 4,377,682 km (0.075 R)
• M8: 8,248,976 km (0.097 R)
• M9: 8,935,930 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.7

Radius: 7

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.93 AU - 8.83 AU

Year: 13598 Days

Day: 23.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,930,366 km

• M1: 87,664 km (0.09 R)
• M2: 1,218,325 km (0.086 R)
• M3: 1,618,948 km (0.065 R)
• M4: 2,649,079 km (0.095 R)
• M5: 3,130,485 km (0.109 R)
• M6: 8,790,820 km (0.076 R)
• M7: 11,639,612 km (0.067 R)
• M8: 13,121,828 km (0.109 R)
• M9: 14,887,531 km (0.055 R)
• M10: 19,396,112 km (0.065 R)
• M11: 20,315,391 km (0.094 R)
• M12: 25,740,408 km (0.031 R)
• M13: 26,291,227 km (0.105 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: 555 - 18,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit