🌌 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 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.56 AU - 0.68 AU

Year: 310 Days

Day: 41.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.5

Radius: 10.5

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.8 AU - 1.18 AU

Year: 626 Days

Day: 11.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,163,384 km

• M1: 131,347 km (0.113 R)
• M2: 527,632 km (0.072 R)
• M3: 1,198,429 km (0.09 R)
• M4: 1,760,169 km (0.089 R)
• M5: 2,243,519 km (0.087 R)
• M6: 3,438,806 km (0.07 R)
• M7: 4,370,801 km (0.117 R)
• M8: 4,777,707 km (0.056 R)
• M9: 5,705,812 km (0.094 R)
• M10: 6,212,949 km (0.11 R)
• M11: 6,539,821 km (0.073 R)
• M12: 6,921,295 km (0.109 R)
• M13: 7,799,135 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.6

Radius: 14.4

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.81 AU - 2.79 AU

Year: 2218 Days

Day: 14.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,163,384 km

• M1: 181,761 km (0.098 R)
• M2: 998,267 km (0.076 R)
• M3: 1,745,957 km (0.11 R)
• M4: 2,398,802 km (0.103 R)
• M5: 3,071,843 km (0.086 R)
• M6: 3,640,315 km (0.067 R)
• M7: 4,107,658 km (0.078 R)
• M8: 5,853,017 km (0.11 R)
• M9: 7,903,256 km (0.065 R)
• M10: 9,369,464 km (0.049 R)
• M11: 10,574,325 km (0.09 R)
• M12: 11,270,404 km (0.114 R)
• M13: 11,957,807 km (0.088 R)
• M14: 12,917,776 km (0.083 R)
• M15: 13,628,516 km (0.086 R)
• M16: 14,365,136 km (0.081 R)
• M17: 14,855,667 km (0.108 R)
• M18: 15,542,920 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.5

Radius: 14.3

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.94 AU - 3 AU

Year: 3254 Days

Day: 13.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,163,384 km

• M1: 190,438 km (0.106 R)
• M2: 699,071 km (0.062 R)
• M3: 1,295,069 km (0.034 R)
• M4: 3,117,171 km (0.028 R)
• M5: 4,173,631 km (0.069 R)
• M6: 6,103,144 km (0.042 R)
• M7: 7,782,081 km (0.073 R)
• M8: 8,760,900 km (0.104 R)
• M9: 9,379,936 km (0.114 R)
• M10: 11,224,927 km (0.104 R)
• M11: 12,393,585 km (0.078 R)
• M12: 15,859,319 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.6

Radius: 6.2

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.93 AU - 7.25 AU

Year: 9556 Days

Day: 22.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,163,384 km

• M1: 92,900 km (0.061 R)
• M2: 298,747 km (0.076 R)
• M3: 786,137 km (0.119 R)
• M4: 2,211,954 km (0.112 R)
• M5: 4,606,866 km (0.071 R)
• M6: 5,128,065 km (0.086 R)
• M7: 6,962,883 km (0.119 R)
• M8: 10,245,210 km (0.055 R)
• M9: 11,275,341 km (0.044 R)
• M10: 13,214,429 km (0.027 R)
• M11: 25,714,827 km (0.049 R)
• M12: 31,762,022 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.1

Radius: 5.1

Gravity: 35.26 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.81 AU - 7.25 AU

Year: 11851 Days

Day: 23.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 59,163,384 km

• M1: 63,429 km (0.105 R)
• M2: 296,503 km (0.052 R)
• M3: 603,029 km (0.081 R)
• M4: 1,009,187 km (0.089 R)
• M5: 1,305,989 km (0.03 R)
• M6: 1,611,767 km (0.115 R)
• M7: 2,984,777 km (0.102 R)
• M8: 4,257,107 km (0.098 R)
• M9: 5,484,856 km (0.101 R)
• M10: 5,741,267 km (0.058 R)
• M11: 6,317,668 km (0.063 R)
• M12: 7,995,707 km (0.035 R)
• M13: 8,566,572 km (0.036 R)
• M14: 9,215,229 km (0.118 R)
• M15: 11,357,620 km (0.051 R)
• M16: 12,512,516 km (0.116 R)
• M17: 13,281,000 km (0.115 R)
• M18: 14,841,156 km (0.093 R)
• M19: 16,595,191 km (0.095 R)
• M20: 20,421,755 km (0.115 R)
• M21: 22,399,289 km (0.108 R)
• M22: 24,996,159 km (0.081 R)
• M23: 25,196,171 km (0.079 R)
• M24: 26,626,177 km (0.032 R)
• M25: 27,149,770 km (0.053 R)
• M26: 28,325,758 km (0.09 R)
• M27: 28,761,687 km (0.077 R)
• M28: 31,008,497 km (0.076 R)
• M29: 33,612,248 km (0.116 R)
• M30: 35,848,138 km (0.039 R)
• M31: 37,523,335 km (0.113 R)
• M32: 45,486,130 km (0.055 R)
• M33: 46,384,615 km (0.052 R)
• M34: 48,062,355 km (0.095 R)
• M35: 50,096,886 km (0.08 R)
• M36: 51,700,426 km (0.07 R)
• M37: 56,200,180 km (0.103 R)
• M38: 57,408,033 km (0.04 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 12,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit