🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.4

Radius: 14.3

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.47 AU - 0.63 AU

Year: 282 Days

Day: 11.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 21,078,377 km

• M1: 177,872 km (0.113 R)
• M2: 646,861 km (0.109 R)
• M3: 1,272,629 km (0.095 R)
• M4: 1,992,045 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.4

Radius: 9.6

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.72 AU - 1.1 AU

Year: 599 Days

Day: 5.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,078,377 km

• M1: 119,379 km (0.07 R)
• M2: 420,370 km (0.119 R)
• M3: 869,014 km (0.085 R)
• M4: 1,602,792 km (0.083 R)
• M5: 2,349,435 km (0.067 R)
• M6: 3,342,166 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.3

Radius: 14.2

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.49 AU - 1.52 AU

Year: 1268 Days

Day: 5 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,078,377 km

• M1: 179,817 km (0.106 R)
• M2: 816,804 km (0.078 R)
• M3: 1,514,080 km (0.081 R)
• M4: 2,185,026 km (0.107 R)
• M5: 2,956,503 km (0.116 R)
• M6: 3,777,197 km (0.06 R)
• M7: 5,851,670 km (0.116 R)
• M8: 6,466,218 km (0.095 R)
• M9: 7,369,191 km (0.101 R)
• M10: 8,246,882 km (0.051 R)
• M11: 10,523,911 km (0.071 R)
• M12: 11,071,290 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.1

Radius: 14.3

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.41 AU - 2.27 AU

Year: 1723 Days

Day: 8.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,078,377 km

• M1: 177,872 km (0.106 R)
• M2: 717,023 km (0.077 R)
• M3: 1,246,449 km (0.078 R)
• M4: 1,794,875 km (0.108 R)
• M5: 2,301,713 km (0.036 R)
• M6: 2,804,212 km (0.107 R)
• M7: 3,445,538 km (0.119 R)
• M8: 4,898,133 km (0.112 R)
• M9: 6,220,429 km (0.116 R)
• M10: 7,072,688 km (0.102 R)
• M11: 8,758,058 km (0.079 R)
• M12: 9,694,989 km (0.095 R)
• M13: 11,022,820 km (0.093 R)
• M14: 11,999,096 km (0.108 R)
• M15: 12,588,062 km (0.079 R)
• M16: 13,320,344 km (0.101 R)
• M17: 13,909,311 km (0.081 R)
• M18: 15,230,260 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.2

Radius: 10

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.82 AU - 2.92 AU

Year: 2518 Days

Day: 9.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,078,377 km

• M1: 124,914 km (0.113 R)
• M2: 623,823 km (0.118 R)
• M3: 1,061,846 km (0.09 R)
• M4: 1,589,926 km (0.087 R)
• M5: 2,212,253 km (0.052 R)
• M6: 2,539,873 km (0.1 R)
• M7: 3,151,279 km (0.111 R)
• M8: 5,160,977 km (0.109 R)
• M9: 5,958,483 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.9

Radius: 11.8

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.28 AU - 3.68 AU

Year: 3551 Days

Day: 11.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,078,377 km

• M1: 146,905 km (0.099 R)
• M2: 606,021 km (0.057 R)
• M3: 1,021,454 km (0.054 R)
• M4: 1,478,177 km (0.112 R)
• M5: 1,848,880 km (0.083 R)
• M6: 2,869,736 km (0.086 R)
• M7: 3,991,421 km (0.111 R)
• M8: 4,773,518 km (0.073 R)
• M9: 8,085,615 km (0.094 R)
• M10: 8,806,827 km (0.109 R)
• M11: 9,183,364 km (0.085 R)
• M12: 10,713,302 km (0.115 R)
• M13: 11,142,797 km (0.068 R)
• M14: 11,808,658 km (0.1 R)
• M15: 13,764,350 km (0.101 R)
• M16: 14,845,793 km (0.112 R)
• M17: 15,380,307 km (0.064 R)
• M18: 16,094,188 km (0.088 R)
• M19: 17,119,083 km (0.1 R)
• M20: 18,369,123 km (0.107 R)
• M21: 19,047,848 km (0.103 R)
• M22: 21,050,515 km (0.079 R)
• M23: 23,118,855 km (0.041 R)
• M24: 24,868,402 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 10.1

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.54 AU - 3.72 AU

Year: 3822 Days

Day: 14.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,078,377 km

• M1: 125,662 km (0.104 R)
• M2: 441,314 km (0.088 R)
• M3: 4,277,452 km (0.115 R)
• M4: 5,515,973 km (0.115 R)
• M5: 6,399,199 km (0.073 R)
• M6: 8,110,299 km (0.101 R)
• M7: 9,616,899 km (0.104 R)
• M8: 11,302,119 km (0.081 R)
• M9: 12,367,854 km (0.089 R)
• M10: 13,406,363 km (0.107 R)
• M11: 15,147,084 km (0.088 R)
• M12: 17,033,513 km (0.091 R)
• M13: 20,456,013 km (0.101 R)
• M14: 21,015,509 km (0.099 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 19,290 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit