🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.5

Radius: 9.9

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.59 AU - 0.95 AU

Year: 430 Days

Day: 11.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,476,221 km

• M1: 123,717 km (0.1 R)
• M2: 489,933 km (0.115 R)
• M3: 892,351 km (0.12 R)
• M4: 1,272,180 km (0.098 R)
• M5: 1,860,698 km (0.07 R)
• M6: 2,277,179 km (0.112 R)
• M7: 3,103,109 km (0.11 R)
• M8: 3,480,095 km (0.099 R)
• M9: 4,677,776 km (0.117 R)
• M10: 5,272,427 km (0.115 R)
• M11: 5,864,087 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.1

Radius: 15

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.81 AU - 1.11 AU

Year: 598 Days

Day: 13.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 165.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,476,221 km

• M1: 186,549 km (0.054 R)
• M2: 685,308 km (0.095 R)
• M3: 1,164,769 km (0.031 R)
• M4: 1,767,050 km (0.076 R)
• M5: 2,311,885 km (0.1 R)
• M6: 2,958,597 km (0.105 R)
• M7: 3,475,757 km (0.085 R)
• M8: 4,260,099 km (0.065 R)
• M9: 4,892,898 km (0.111 R)
• M10: 5,537,515 km (0.043 R)
• M11: 6,022,062 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.9

Radius: 12.2

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.58 AU - 2 AU

Year: 1523 Days

Day: 10.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,476,221 km

• M1: 151,692 km (0.119 R)
• M2: 901,776 km (0.094 R)
• M3: 1,467,256 km (0.033 R)
• M4: 2,858,516 km (0.087 R)
• M5: 3,408,438 km (0.113 R)
• M6: 3,796,196 km (0.119 R)
• M7: 5,911,360 km (0.081 R)
• M8: 6,601,754 km (0.065 R)
• M9: 8,442,855 km (0.052 R)
• M10: 9,190,545 km (0.032 R)
• M11: 9,713,091 km (0.115 R)
• M12: 11,512,603 km (0.092 R)
• M13: 12,159,165 km (0.109 R)
• M14: 13,733,982 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.2

Radius: 12

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.83 AU - 2.69 AU

Year: 2160 Days

Day: 8.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,476,221 km

• M1: 149,299 km (0.05 R)
• M2: 725,998 km (0.091 R)
• M3: 1,962,574 km (0.101 R)
• M4: 2,571,737 km (0.105 R)
• M5: 3,410,383 km (0.118 R)
• M6: 5,348,722 km (0.088 R)
• M7: 6,399,049 km (0.111 R)
• M8: 7,397,316 km (0.095 R)
• M9: 9,025,389 km (0.119 R)
• M10: 11,329,346 km (0.118 R)

Asteroid Belt

Center: 3.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.9

Radius: 9.3

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.81 AU - 4.33 AU

Year: 5221 Days

Day: 6.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,476,221 km

• M1: 148,700 km (0.114 R)
• M2: 459,864 km (0.105 R)
• M3: 936,183 km (0.059 R)
• M4: 3,352,189 km (0.117 R)
• M5: 4,589,214 km (0.104 R)
• M6: 6,348,335 km (0.058 R)
• M7: 6,652,169 km (0.088 R)
• M8: 12,077,784 km (0.086 R)
• M9: 12,631,745 km (0.062 R)
• M10: 12,937,074 km (0.111 R)
• M11: 17,636,991 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.8

Radius: 9.7

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.29 AU - 5.71 AU

Year: 8201 Days

Day: 5 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,476,221 km

• M1: 126,410 km (0.113 R)
• M2: 688,749 km (0.029 R)
• M3: 1,012,329 km (0.104 R)
• M4: 1,416,991 km (0.043 R)
• M5: 2,560,218 km (0.037 R)
• M6: 2,943,936 km (0.089 R)
• M7: 3,736,506 km (0.076 R)
• M8: 5,071,368 km (0.053 R)
• M9: 8,179,712 km (0.101 R)
• M10: 8,492,073 km (0.079 R)
• M11: 9,266,242 km (0.104 R)
• M12: 9,692,296 km (0.03 R)
• M13: 11,431,521 km (0.054 R)
• M14: 14,191,602 km (0.11 R)
• M15: 18,815,223 km (0.096 R)
• M16: 25,331,707 km (0.049 R)
• M17: 30,893,007 km (0.119 R)
• M18: 32,717,802 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.2

Radius: 5.8

Gravity: 25.39 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 9.55 AU - 11.25 AU

Year: 21325 Days

Day: 23.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,476,221 km

• M1: 72,256 km (0.11 R)
• M2: 484,398 km (0.045 R)
• M3: 745,147 km (0.107 R)
• M4: 1,111,213 km (0.118 R)
• M5: 1,488,200 km (0.115 R)
• M6: 2,976,848 km (0.081 R)
• M7: 3,197,505 km (0.118 R)
• M8: 3,399,312 km (0.103 R)
• M9: 5,216,627 km (0.08 R)
• M10: 6,628,233 km (0.069 R)
• M11: 8,882,523 km (0.116 R)
• M12: 9,815,415 km (0.099 R)
• M13: 13,745,651 km (0.096 R)
• M14: 15,971,817 km (0.077 R)
• M15: 19,552,741 km (0.064 R)
• M16: 22,460,325 km (0.098 R)
• M17: 23,743,426 km (0.073 R)
• M18: 25,187,793 km (0.055 R)
• M19: 26,105,128 km (0.084 R)
• M20: 33,983,101 km (0.068 R)
• M21: 38,307,228 km (0.112 R)
• M22: 43,798,965 km (0.114 R)
• M23: 55,155,389 km (0.106 R)
• M24: 56,505,061 km (0.114 R)
• M25: 62,124,405 km (0.111 R)
• M26: 69,211,604 km (0.079 R)
• M27: 73,064,498 km (0.093 R)
• M28: 73,526,905 km (0.105 R)
• M29: 78,501,333 km (0.086 R)
• M30: 80,946,959 km (0.054 R)
• M31: 84,709,944 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 10,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit