🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.5

Radius: 8.2

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.75 AU - 1.05 AU

Year: 579 Days

Day: 9.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,587,435 km

• M1: 102,026 km (0.093 R)
• M2: 419,622 km (0.08 R)
• M3: 680,670 km (0.075 R)
• M4: 1,173,894 km (0.031 R)
• M5: 1,515,426 km (0.1 R)
• M6: 1,955,992 km (0.1 R)
• M7: 2,267,455 km (0.092 R)
• M8: 2,705,926 km (0.095 R)
• M9: 3,494,157 km (0.115 R)
• M10: 3,846,610 km (0.082 R)
• M11: 4,531,918 km (0.049 R)
• M12: 5,064,935 km (0.108 R)
• M13: 5,534,523 km (0.114 R)
• M14: 5,978,230 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.8

Radius: 10.5

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.82 AU - 1.06 AU

Year: 618 Days

Day: 14.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,587,435 km

• M1: 130,898 km (0.09 R)
• M2: 642,074 km (0.049 R)
• M3: 1,310,777 km (0.085 R)
• M4: 1,657,096 km (0.099 R)
• M5: 2,298,422 km (0.1 R)
• M6: 3,636,575 km (0.094 R)
• M7: 4,236,313 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.8

Radius: 11.5

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.13 AU - 1.81 AU

Year: 1209 Days

Day: 7.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,587,435 km

• M1: 143,165 km (0.082 R)
• M2: 621,430 km (0.107 R)
• M3: 1,078,601 km (0.117 R)
• M4: 1,450,351 km (0.088 R)
• M5: 1,950,008 km (0.115 R)
• M6: 2,756,042 km (0.054 R)
• M7: 3,195,560 km (0.097 R)
• M8: 4,037,647 km (0.086 R)
• M9: 4,773,369 km (0.088 R)
• M10: 5,394,499 km (0.109 R)
• M11: 5,838,057 km (0.107 R)
• M12: 6,195,745 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 9.4

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.27 AU - 2.61 AU

Year: 2585 Days

Day: 13.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 23,587,435 km

• M1: 123,269 km (0.055 R)
• M2: 475,272 km (0.116 R)
• M3: 924,814 km (0.062 R)
• M4: 1,488,349 km (0.09 R)
• M5: 1,830,779 km (0.093 R)
• M6: 2,267,006 km (0.038 R)
• M7: 2,787,457 km (0.099 R)
• M8: 3,553,099 km (0.096 R)
• M9: 3,985,437 km (0.073 R)
• M10: 4,838,294 km (0.082 R)
• M11: 5,834,467 km (0.12 R)
• M12: 6,813,435 km (0.088 R)
• M13: 7,514,151 km (0.084 R)
• M14: 8,363,119 km (0.103 R)
• M15: 8,987,391 km (0.051 R)
• M16: 10,844,649 km (0.033 R)
• M17: 11,377,516 km (0.105 R)
• M18: 12,854,047 km (0.047 R)
• M19: 13,922,625 km (0.1 R)
• M20: 14,259,370 km (0.107 R)
• M21: 15,251,503 km (0.088 R)
• M22: 15,920,654 km (0.118 R)
• M23: 16,395,179 km (0.095 R)
• M24: 17,707,002 km (0.095 R)
• M25: 18,045,692 km (0.081 R)
• M26: 19,683,489 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.4

Radius: 10

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.96 AU - 3.02 AU

Year: 2665 Days

Day: 10 Hours

Environment

Temp: -204 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,587,435 km

• M1: 125,213 km (0.103 R)
• M2: 814,261 km (0.107 R)
• M3: 1,140,534 km (0.105 R)
• M4: 1,457,532 km (0.092 R)
• M5: 1,962,275 km (0.044 R)
• M6: 2,316,373 km (0.109 R)
• M7: 2,758,286 km (0.114 R)
• M8: 3,089,046 km (0.112 R)
• M9: 3,535,746 km (0.101 R)
• M10: 4,910,700 km (0.096 R)
• M11: 5,256,869 km (0.1 R)
• M12: 7,417,212 km (0.057 R)
• M13: 8,285,328 km (0.119 R)
• M14: 9,605,380 km (0.111 R)
• M15: 10,484,567 km (0.098 R)
• M16: 11,943,744 km (0.091 R)
• M17: 17,660,029 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.1

Radius: 8.5

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.48 AU - 3.48 AU

Year: 3489 Days

Day: 14.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,587,435 km

• M1: 236,514 km (0.04 R)
• M2: 503,546 km (0.082 R)
• M3: 802,144 km (0.113 R)
• M4: 1,331,720 km (0.084 R)
• M5: 1,626,129 km (0.116 R)
• M6: 2,170,516 km (0.116 R)
• M7: 2,863,602 km (0.106 R)
• M8: 3,378,369 km (0.085 R)
• M9: 4,243,643 km (0.092 R)
• M10: 4,890,055 km (0.11 R)
• M11: 5,913,903 km (0.067 R)
• M12: 7,134,622 km (0.114 R)
• M13: 7,629,043 km (0.098 R)
• M14: 8,930,544 km (0.111 R)
• M15: 10,490,999 km (0.069 R)
• M16: 11,418,656 km (0.036 R)
• M17: 12,487,981 km (0.094 R)
• M18: 12,933,933 km (0.118 R)
• M19: 17,826,681 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.8

Radius: 12.8

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.69 AU - 3.83 AU

Year: 4945 Days

Day: 6.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,587,435 km

• M1: 159,322 km (0.075 R)
• M2: 615,146 km (0.045 R)
• M3: 1,172,249 km (0.075 R)
• M4: 1,603,091 km (0.096 R)
• M5: 2,351,529 km (0.056 R)
• M6: 2,966,376 km (0.116 R)
• M7: 3,472,466 km (0.089 R)
• M8: 4,014,758 km (0.106 R)
• M9: 5,119,090 km (0.093 R)
• M10: 7,080,018 km (0.11 R)
• M11: 7,822,173 km (0.095 R)
• M12: 8,831,062 km (0.106 R)
• M13: 9,614,506 km (0.107 R)
• M14: 10,201,976 km (0.118 R)
• M15: 10,647,928 km (0.102 R)
• M16: 12,199,557 km (0.107 R)
• M17: 14,395,205 km (0.11 R)
• M18: 17,872,308 km (0.109 R)
• M19: 19,742,730 km (0.101 R)
• M20: 20,245,977 km (0.077 R)
• M21: 20,693,275 km (0.109 R)
• M22: 22,548,887 km (0.099 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 15,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit