🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.93 AU - 1.21 AU

Year: 391 Days

Day: 40.8 Hours

Environment

Temp: 37 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.45 AU - 1.47 AU

Year: 623 Days

Day: 43.7 Hours

Environment

Temp: -7 °C

Axial Tilt: 38 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 88,644,983 km

• M1: 48,171 km (0.096 R)
• M2: 739,462 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.1

Radius: 9.5

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.67 AU - 8.37 AU

Year: 7282 Days

Day: 8.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,644,983 km

• M1: 118,182 km (0.071 R)
• M2: 442,511 km (0.116 R)
• M3: 756,965 km (0.109 R)
• M4: 1,126,023 km (0.106 R)
• M5: 1,803,253 km (0.058 R)
• M6: 2,425,879 km (0.117 R)
• M7: 3,398,415 km (0.1 R)
• M8: 3,712,870 km (0.111 R)
• M9: 4,400,571 km (0.076 R)
• M10: 5,141,828 km (0.119 R)
• M11: 5,836,860 km (0.034 R)
• M12: 6,525,010 km (0.116 R)
• M13: 7,049,052 km (0.059 R)
• M14: 7,413,771 km (0.1 R)
• M15: 8,461,854 km (0.077 R)
• M16: 8,874,146 km (0.048 R)
• M17: 9,299,752 km (0.084 R)
• M18: 9,918,638 km (0.086 R)
• M19: 10,330,780 km (0.103 R)
• M20: 12,407,049 km (0.108 R)
• M21: 12,832,057 km (0.11 R)
• M22: 13,936,986 km (0.041 R)
• M23: 15,345,301 km (0.058 R)
• M24: 15,835,084 km (0.086 R)
• M25: 18,101,791 km (0.111 R)
• M26: 18,856,812 km (0.083 R)
• M27: 23,429,271 km (0.105 R)
• M28: 31,154,953 km (0.113 R)
• M29: 34,169,500 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.2

Radius: 11.7

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.5 AU - 9.48 AU

Year: 9518 Days

Day: 11.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,644,983 km

• M1: 145,559 km (0.08 R)
• M2: 608,115 km (0.084 R)
• M3: 1,077,105 km (0.101 R)
• M4: 1,616,255 km (0.086 R)
• M5: 2,016,729 km (0.106 R)
• M6: 2,432,312 km (0.117 R)
• M7: 3,123,604 km (0.118 R)
• M8: 4,286,727 km (0.111 R)
• M9: 5,719,127 km (0.105 R)
• M10: 6,427,173 km (0.091 R)
• M11: 8,017,997 km (0.065 R)
• M12: 9,901,883 km (0.063 R)
• M13: 11,262,476 km (0.077 R)
• M14: 11,911,431 km (0.058 R)
• M15: 16,594,144 km (0.083 R)
• M16: 19,201,036 km (0.062 R)
• M17: 20,638,522 km (0.106 R)
• M18: 21,762,900 km (0.085 R)
• M19: 22,534,825 km (0.116 R)
• M20: 25,296,701 km (0.096 R)
• M21: 26,584,140 km (0.059 R)
• M22: 27,022,761 km (0.092 R)
• M23: 27,466,319 km (0.078 R)
• M24: 29,663,163 km (0.108 R)
• M25: 35,345,788 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.2

Radius: 8.8

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.63 AU - 10.93 AU

Year: 11638 Days

Day: 8.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 167.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 88,644,983 km

• M1: 109,954 km (0.112 R)
• M2: 586,424 km (0.107 R)
• M3: 952,340 km (0.115 R)
• M4: 2,016,430 km (0.112 R)
• M5: 2,357,812 km (0.068 R)
• M6: 2,896,215 km (0.068 R)
• M7: 3,409,934 km (0.081 R)
• M8: 6,728,763 km (0.119 R)
• M9: 8,417,274 km (0.11 R)
• M10: 9,830,076 km (0.111 R)
• M11: 11,219,392 km (0.096 R)
• M12: 12,735,117 km (0.076 R)
• M13: 14,110,221 km (0.099 R)
• M14: 14,451,603 km (0.116 R)
• M15: 15,437,154 km (0.12 R)
• M16: 15,873,082 km (0.103 R)
• M17: 19,157,354 km (0.047 R)
• M18: 19,660,751 km (0.104 R)
• M19: 20,432,376 km (0.055 R)
• M20: 21,582,485 km (0.078 R)
• M21: 23,435,404 km (0.063 R)
• M22: 26,306,786 km (0.07 R)
• M23: 27,033,382 km (0.102 R)
• M24: 27,348,884 km (0.116 R)
• M25: 28,202,340 km (0.039 R)
• M26: 29,738,411 km (0.054 R)
• M27: 31,098,705 km (0.054 R)
• M28: 31,911,021 km (0.12 R)
• M29: 36,698,452 km (0.11 R)
• M30: 37,215,014 km (0.096 R)
• M31: 45,259,938 km (0.094 R)
• M32: 49,214,857 km (0.113 R)
• M33: 53,229,166 km (0.103 R)
• M34: 57,283,269 km (0.12 R)
• M35: 58,503,389 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677

Radius: 4.6

Gravity: 31.99 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 14.78 AU - 19.72 AU

Year: 25298 Days

Day: 15.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 88,644,983 km

• M1: 64,177 km (0.06 R)
• M2: 484,847 km (0.11 R)
• M3: 1,705,865 km (0.09 R)
• M4: 1,859,651 km (0.065 R)
• M5: 3,822,974 km (0.105 R)
• M6: 4,617,637 km (0.085 R)
• M7: 4,841,885 km (0.094 R)
• M8: 5,034,268 km (0.109 R)
• M9: 5,393,452 km (0.1 R)
• M10: 5,600,196 km (0.04 R)
• M11: 6,573,779 km (0.117 R)
• M12: 6,762,123 km (0.055 R)
• M13: 7,399,559 km (0.068 R)
• M14: 7,552,149 km (0.093 R)
• M15: 9,491,536 km (0.1 R)
• M16: 9,854,311 km (0.11 R)
• M17: 13,023,243 km (0.096 R)
• M18: 13,929,207 km (0.067 R)
• M19: 14,476,736 km (0.032 R)
• M20: 16,290,909 km (0.034 R)
• M21: 19,771,902 km (0.102 R)
• M22: 20,865,163 km (0.097 R)
• M23: 21,893,349 km (0.058 R)
• M24: 23,608,040 km (0.063 R)
• M25: 24,951,429 km (0.095 R)
• M26: 25,410,246 km (0.114 R)
• M27: 31,763,817 km (0.031 R)
• M28: 33,260,394 km (0.089 R)
• M29: 35,809,691 km (0.115 R)
• M30: 37,131,987 km (0.12 R)
• M31: 42,583,632 km (0.057 R)
• M32: 44,737,243 km (0.096 R)
• M33: 46,962,212 km (0.077 R)
• M34: 56,600,803 km (0.107 R)
• M35: 64,853,220 km (0.099 R)
• M36: 77,215,689 km (0.116 R)

Kuiper Belt

Range: 31.1 - 51.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 15,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit