🌌 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: 194.6

Radius: 10

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.44 AU - 0.66 AU

Year: 272 Days

Day: 10.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,121,387 km

• M1: 133,591 km (0.074 R)
• M2: 605,572 km (0.039 R)
• M3: 940,372 km (0.029 R)
• M4: 1,402,929 km (0.098 R)
• M5: 2,226,016 km (0.035 R)
• M6: 2,729,114 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.1

Radius: 13.5

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.69 AU - 0.73 AU

Year: 399 Days

Day: 8.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,121,387 km

• M1: 168,148 km (0.113 R)
• M2: 888,611 km (0.107 R)
• M3: 1,330,075 km (0.088 R)
• M4: 1,812,528 km (0.105 R)
• M5: 2,539,424 km (0.114 R)
• M6: 3,025,318 km (0.114 R)
• M7: 4,006,530 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.1

Radius: 14.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.03 AU - 1.49 AU

Year: 943 Days

Day: 9.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,121,387 km

• M1: 182,809 km (0.052 R)
• M2: 753,674 km (0.117 R)
• M3: 1,305,840 km (0.085 R)
• M4: 1,854,266 km (0.085 R)
• M5: 2,557,226 km (0.11 R)
• M6: 3,200,646 km (0.12 R)
• M7: 3,892,537 km (0.106 R)
• M8: 4,833,058 km (0.028 R)
• M9: 5,559,506 km (0.119 R)
• M10: 6,543,261 km (0.086 R)
• M11: 7,617,075 km (0.089 R)
• M12: 8,404,558 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.4

Radius: 9.4

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.35 AU - 1.99 AU

Year: 1439 Days

Day: 13.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,121,387 km

• M1: 121,773 km (0.065 R)
• M2: 421,417 km (0.118 R)
• M3: 777,460 km (0.076 R)
• M4: 1,372,710 km (0.091 R)
• M5: 1,686,118 km (0.12 R)
• M6: 2,272,092 km (0.087 R)
• M7: 2,579,516 km (0.079 R)
• M8: 2,944,236 km (0.111 R)
• M9: 3,423,996 km (0.069 R)
• M10: 4,599,835 km (0.111 R)
• M11: 4,905,913 km (0.108 R)
• M12: 5,269,286 km (0.114 R)
• M13: 5,883,235 km (0.094 R)
• M14: 6,368,232 km (0.071 R)
• M15: 7,011,802 km (0.094 R)
• M16: 7,783,278 km (0.071 R)
• M17: 9,172,294 km (0.113 R)
• M18: 10,128,823 km (0.117 R)
• M19: 10,438,790 km (0.116 R)
• M20: 11,555,388 km (0.109 R)
• M21: 13,397,387 km (0.055 R)
• M22: 13,897,493 km (0.097 R)

Asteroid Belt

Center: 3.03 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.1

Radius: 10.7

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.27 AU - 4.51 AU

Year: 6134 Days

Day: 8.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,121,387 km

• M1: 132,993 km (0.078 R)
• M2: 540,946 km (0.108 R)
• M3: 1,032,076 km (0.105 R)
• M4: 1,579,903 km (0.072 R)
• M5: 2,401,345 km (0.065 R)
• M6: 2,969,219 km (0.082 R)
• M7: 3,532,006 km (0.081 R)
• M8: 3,912,882 km (0.118 R)
• M9: 4,729,686 km (0.088 R)
• M10: 5,656,445 km (0.064 R)
• M11: 6,247,805 km (0.11 R)
• M12: 7,477,051 km (0.106 R)
• M13: 8,904,065 km (0.086 R)
• M14: 9,568,280 km (0.084 R)
• M15: 10,029,191 km (0.118 R)
• M16: 10,995,593 km (0.098 R)
• M17: 11,348,046 km (0.096 R)
• M18: 13,338,745 km (0.111 R)
• M19: 14,386,977 km (0.085 R)
• M20: 15,489,364 km (0.073 R)
• M21: 16,384,856 km (0.112 R)
• M22: 18,349,376 km (0.116 R)
• M23: 19,351,831 km (0.091 R)
• M24: 22,497,874 km (0.092 R)
• M25: 27,324,649 km (0.07 R)
• M26: 28,347,749 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.2

Radius: 4.9

Gravity: 35.79 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.32 AU - 11.06 AU

Year: 18578 Days

Day: 18.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,121,387 km

• M1: 61,036 km (0.116 R)
• M2: 398,978 km (0.062 R)
• M3: 1,868,029 km (0.118 R)
• M4: 2,106,039 km (0.113 R)
• M5: 3,642,559 km (0.11 R)
• M6: 4,550,318 km (0.08 R)
• M7: 5,246,547 km (0.058 R)
• M8: 5,480,368 km (0.113 R)
• M9: 6,530,695 km (0.115 R)
• M10: 8,426,848 km (0.106 R)
• M11: 9,300,948 km (0.069 R)
• M12: 10,174,002 km (0.106 R)
• M13: 13,769,586 km (0.027 R)
• M14: 15,134,517 km (0.057 R)
• M15: 15,370,433 km (0.088 R)
• M16: 16,174,522 km (0.103 R)
• M17: 18,218,477 km (0.105 R)
• M18: 23,120,650 km (0.043 R)
• M19: 24,175,016 km (0.07 R)
• M20: 26,152,999 km (0.054 R)
• M21: 27,647,033 km (0.113 R)
• M22: 28,474,459 km (0.119 R)
• M23: 29,075,543 km (0.096 R)
• M24: 32,599,022 km (0.054 R)
• M25: 33,124,559 km (0.071 R)
• M26: 39,728,856 km (0.086 R)
• M27: 44,052,683 km (0.073 R)
• M28: 69,339,810 km (0.063 R)
• M29: 73,981,533 km (0.06 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 13,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit