🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.4

Radius: 13.8

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.47 AU - 0.59 AU

Year: 262 Days

Day: 5.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,992,602 km

• M1: 171,589 km (0.112 R)
• M2: 605,273 km (0.095 R)
• M3: 1,038,658 km (0.114 R)
• M4: 1,730,698 km (0.114 R)
• M5: 2,416,454 km (0.118 R)
• M6: 2,979,690 km (0.071 R)
• M7: 3,503,133 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.1

Radius: 10.3

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.91 AU - 2.01 AU

Year: 1861 Days

Day: 12.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,992,602 km

• M1: 128,205 km (0.041 R)
• M2: 498,311 km (0.047 R)
• M3: 1,243,757 km (0.11 R)
• M4: 1,636,451 km (0.118 R)
• M5: 2,237,386 km (0.058 R)
• M6: 2,600,909 km (0.103 R)
• M7: 3,291,303 km (0.098 R)
• M8: 3,624,756 km (0.098 R)
• M9: 4,069,660 km (0.109 R)
• M10: 4,780,400 km (0.048 R)
• M11: 5,461,519 km (0.118 R)
• M12: 6,427,921 km (0.09 R)
• M13: 7,481,838 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.4

Radius: 9.5

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.49 AU - 3.49 AU

Year: 3507 Days

Day: 11.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,992,602 km

• M1: 119,529 km (0.048 R)
• M2: 453,132 km (0.057 R)
• M3: 1,022,501 km (0.084 R)
• M4: 1,351,916 km (0.117 R)
• M5: 2,146,879 km (0.053 R)
• M6: 2,764,269 km (0.111 R)
• M7: 3,096,826 km (0.045 R)
• M8: 3,456,160 km (0.114 R)
• M9: 3,759,394 km (0.112 R)
• M10: 4,513,667 km (0.108 R)
• M11: 6,232,247 km (0.08 R)
• M12: 7,060,720 km (0.114 R)
• M13: 8,348,908 km (0.1 R)
• M14: 8,675,629 km (0.055 R)
• M15: 9,277,761 km (0.045 R)
• M16: 9,589,074 km (0.062 R)
• M17: 12,059,832 km (0.107 R)
• M18: 13,098,939 km (0.098 R)
• M19: 15,139,753 km (0.119 R)
• M20: 15,791,102 km (0.102 R)
• M21: 16,517,849 km (0.094 R)
• M22: 19,841,166 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.6

Radius: 11.8

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.42 AU - 5.14 AU

Year: 7088 Days

Day: 10.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,992,602 km

• M1: 146,756 km (0.106 R)
• M2: 550,071 km (0.055 R)
• M3: 2,980,139 km (0.097 R)
• M4: 3,551,603 km (0.074 R)
• M5: 3,972,422 km (0.065 R)
• M6: 7,208,074 km (0.116 R)
• M7: 8,313,752 km (0.065 R)
• M8: 9,410,604 km (0.103 R)
• M9: 10,305,199 km (0.078 R)
• M10: 11,890,338 km (0.094 R)
• M11: 12,692,781 km (0.058 R)
• M12: 13,581,542 km (0.102 R)
• M13: 16,729,081 km (0.084 R)
• M14: 17,918,833 km (0.088 R)
• M15: 18,472,195 km (0.093 R)
• M16: 19,164,086 km (0.1 R)
• M17: 21,343,577 km (0.104 R)
• M18: 21,965,605 km (0.12 R)
• M19: 22,742,317 km (0.119 R)
• M20: 24,201,196 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128

Radius: 3.7

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.56 AU - 8.62 AU

Year: 14183 Days

Day: 22 Hours

Environment

Temp: -223 °C

Axial Tilt: 53 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,992,602 km

• M1: 86,019 km (0.057 R)
• M2: 221,854 km (0.113 R)
• M3: 384,616 km (0.084 R)
• M4: 660,175 km (0.096 R)
• M5: 960,269 km (0.106 R)
• M6: 1,178,083 km (0.095 R)
• M7: 1,415,794 km (0.112 R)
• M8: 1,838,857 km (0.069 R)
• M9: 1,971,700 km (0.089 R)
• M10: 2,175,153 km (0.103 R)
• M11: 2,754,546 km (0.067 R)
• M12: 3,008,862 km (0.105 R)
• M13: 4,011,617 km (0.098 R)
• M14: 6,477,438 km (0.112 R)
• M15: 11,593,237 km (0.104 R)
• M16: 13,931,751 km (0.112 R)
• M17: 17,273,318 km (0.068 R)
• M18: 23,189,166 km (0.101 R)
• M19: 31,283,608 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.9

Radius: 7.1

Gravity: 19.4 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.44 AU - 9.72 AU

Year: 20111 Days

Day: 17.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 107.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,992,602 km

• M1: 88,412 km (0.054 R)
• M2: 556,654 km (0.114 R)
• M3: 2,119,054 km (0.058 R)
• M4: 5,223,359 km (0.084 R)
• M5: 7,455,958 km (0.107 R)
• M6: 7,864,210 km (0.11 R)
• M7: 9,294,815 km (0.116 R)
• M8: 11,959,303 km (0.102 R)
• M9: 12,949,940 km (0.054 R)
• M10: 17,463,457 km (0.116 R)
• M11: 20,860,376 km (0.049 R)
• M12: 25,579,590 km (0.094 R)
• M13: 28,063,962 km (0.072 R)
• M14: 45,404,001 km (0.102 R)
• M15: 46,763,397 km (0.071 R)
• M16: 57,440,346 km (0.052 R)
• M17: 61,674,565 km (0.069 R)
• M18: 78,733,509 km (0.111 R)
• M19: 84,965,906 km (0.11 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: 545 - 11,840 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit