🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.6

Radius: 8.8

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.47 AU - 0.75 AU

Year: 318 Days

Day: 11.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,972,478 km

• M1: 114,742 km (0.093 R)
• M2: 430,094 km (0.05 R)
• M3: 732,880 km (0.102 R)
• M4: 1,041,500 km (0.08 R)
• M5: 1,449,903 km (0.045 R)
• M6: 2,138,202 km (0.087 R)
• M7: 2,512,496 km (0.099 R)
• M8: 2,891,278 km (0.108 R)
• M9: 3,234,156 km (0.051 R)
• M10: 3,683,548 km (0.076 R)
• M11: 4,236,761 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.8

Radius: 8.1

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.92 AU - 1.1 AU

Year: 677 Days

Day: 13.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,972,478 km

• M1: 100,679 km (0.118 R)
• M2: 474,973 km (0.073 R)
• M3: 733,329 km (0.098 R)
• M4: 1,029,533 km (0.085 R)
• M5: 1,516,773 km (0.103 R)
• M6: 1,783,655 km (0.111 R)
• M7: 2,074,623 km (0.101 R)
• M8: 3,348,449 km (0.119 R)
• M9: 3,760,741 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.5

Radius: 14.9

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.85 AU - 1.29 AU

Year: 738 Days

Day: 12.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,972,478 km

• M1: 185,352 km (0.086 R)
• M2: 667,954 km (0.097 R)
• M3: 1,160,879 km (0.079 R)
• M4: 1,788,592 km (0.098 R)
• M5: 2,742,877 km (0.117 R)
• M6: 3,457,207 km (0.074 R)
• M7: 4,061,283 km (0.039 R)
• M8: 4,601,331 km (0.101 R)
• M9: 5,371,760 km (0.047 R)
• M10: 6,145,630 km (0.094 R)
• M11: 6,904,839 km (0.083 R)
• M12: 7,965,189 km (0.102 R)
• M13: 8,816,850 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.5

Radius: 8.9

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.14 AU - 1.6 AU

Year: 1069 Days

Day: 12.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,972,478 km

• M1: 110,702 km (0.068 R)
• M2: 405,111 km (0.06 R)
• M3: 709,094 km (0.091 R)
• M4: 1,104,631 km (0.117 R)
• M5: 1,725,312 km (0.07 R)
• M6: 2,271,943 km (0.063 R)
• M7: 2,837,872 km (0.112 R)
• M8: 3,570,452 km (0.061 R)
• M9: 4,215,668 km (0.09 R)
• M10: 5,346,478 km (0.072 R)
• M11: 6,212,800 km (0.093 R)
• M12: 7,722,242 km (0.106 R)
• M13: 8,114,936 km (0.056 R)
• M14: 9,112,156 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.9

Radius: 10

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.04 AU - 4.48 AU

Year: 5863 Days

Day: 12.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,972,478 km

• M1: 124,465 km (0.089 R)
• M2: 462,557 km (0.051 R)
• M3: 802,293 km (0.084 R)
• M4: 2,258,329 km (0.031 R)
• M5: 2,607,192 km (0.119 R)
• M6: 4,055,598 km (0.109 R)
• M7: 4,674,036 km (0.096 R)
• M8: 7,343,460 km (0.096 R)
• M9: 7,829,205 km (0.067 R)
• M10: 8,749,979 km (0.098 R)
• M11: 10,031,734 km (0.117 R)
• M12: 10,586,892 km (0.087 R)
• M13: 12,087,957 km (0.089 R)
• M14: 12,472,423 km (0.105 R)
• M15: 14,410,613 km (0.063 R)
• M16: 16,308,262 km (0.105 R)
• M17: 19,853,881 km (0.112 R)
• M18: 27,343,200 km (0.027 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.4

Radius: 7

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.61 AU - 7.39 AU

Year: 9801 Days

Day: 18.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,972,478 km

• M1: 87,066 km (0.05 R)
• M2: 330,462 km (0.12 R)
• M3: 715,527 km (0.108 R)
• M4: 1,025,045 km (0.09 R)
• M5: 1,279,660 km (0.091 R)
• M6: 2,559,769 km (0.093 R)
• M7: 2,790,449 km (0.117 R)
• M8: 3,376,274 km (0.071 R)
• M9: 3,720,649 km (0.056 R)
• M10: 5,366,973 km (0.102 R)
• M11: 6,270,395 km (0.051 R)
• M12: 6,691,812 km (0.107 R)
• M13: 7,920,758 km (0.119 R)
• M14: 9,459,672 km (0.101 R)
• M15: 10,277,374 km (0.098 R)
• M16: 10,817,572 km (0.063 R)
• M17: 11,188,126 km (0.113 R)
• M18: 12,806,625 km (0.09 R)
• M19: 14,800,166 km (0.064 R)
• M20: 15,027,405 km (0.114 R)
• M21: 16,198,757 km (0.112 R)
• M22: 16,745,238 km (0.105 R)
• M23: 18,987,710 km (0.101 R)
• M24: 26,317,407 km (0.085 R)
• M25: 28,537,739 km (0.096 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 12,109 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit