🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187

Radius: 9.8

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.44 AU - 0.7 AU

Year: 292 Days

Day: 11.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,904,505 km

• M1: 121,922 km (0.118 R)
• M2: 430,543 km (0.082 R)
• M3: 805,136 km (0.083 R)
• M4: 1,281,007 km (0.086 R)
• M5: 1,634,806 km (0.114 R)
• M6: 2,067,443 km (0.119 R)
• M7: 2,733,003 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.9

Radius: 9.9

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.1 AU - 1.32 AU

Year: 903 Days

Day: 8.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,904,505 km

• M1: 123,119 km (0.1 R)
• M2: 449,841 km (0.111 R)
• M3: 783,893 km (0.119 R)
• M4: 1,430,754 km (0.119 R)
• M5: 1,830,629 km (0.118 R)
• M6: 2,209,860 km (0.115 R)
• M7: 2,773,245 km (0.108 R)
• M8: 3,089,495 km (0.072 R)
• M9: 3,675,620 km (0.086 R)
• M10: 4,027,025 km (0.091 R)
• M11: 4,639,778 km (0.105 R)
• M12: 5,069,573 km (0.095 R)
• M13: 6,009,496 km (0.095 R)
• M14: 7,366,498 km (0.081 R)
• M15: 7,952,922 km (0.1 R)
• M16: 8,702,707 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.6

Radius: 14.2

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.48 AU - 3.38 AU

Year: 3402 Days

Day: 11.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,904,505 km

• M1: 180,714 km (0.109 R)
• M2: 660,774 km (0.096 R)
• M3: 1,138,440 km (0.096 R)
• M4: 1,765,255 km (0.117 R)
• M5: 2,274,785 km (0.08 R)
• M6: 2,931,520 km (0.035 R)
• M7: 3,431,775 km (0.069 R)
• M8: 4,258,603 km (0.109 R)
• M9: 5,666,319 km (0.12 R)
• M10: 6,171,511 km (0.113 R)
• M11: 7,151,227 km (0.08 R)
• M12: 8,952,685 km (0.108 R)
• M13: 9,492,882 km (0.086 R)
• M14: 11,286,411 km (0.054 R)
• M15: 13,810,726 km (0.118 R)
• M16: 16,001,587 km (0.086 R)
• M17: 17,125,216 km (0.074 R)
• M18: 17,622,629 km (0.091 R)
• M19: 18,996,237 km (0.104 R)
• M20: 20,874,887 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.8

Radius: 14.5

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.92 AU - 3.8 AU

Year: 4177 Days

Day: 8.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,904,505 km

• M1: 180,714 km (0.055 R)
• M2: 722,857 km (0.075 R)
• M3: 1,554,172 km (0.09 R)
• M4: 2,070,734 km (0.091 R)
• M5: 2,686,778 km (0.114 R)
• M6: 3,618,623 km (0.036 R)
• M7: 4,226,589 km (0.073 R)
• M8: 5,100,988 km (0.081 R)
• M9: 5,758,022 km (0.096 R)
• M10: 8,178,516 km (0.112 R)
• M11: 9,498,866 km (0.069 R)
• M12: 10,250,895 km (0.093 R)
• M13: 18,546,845 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.8

Radius: 13.5

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.96 AU - 4.8 AU

Year: 5184 Days

Day: 9 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,904,505 km

• M1: 167,849 km (0.094 R)
• M2: 594,801 km (0.112 R)
• M3: 1,214,585 km (0.072 R)
• M4: 2,360,954 km (0.045 R)
• M5: 2,936,307 km (0.109 R)
• M6: 4,847,420 km (0.107 R)
• M7: 5,639,541 km (0.086 R)
• M8: 6,358,807 km (0.11 R)
• M9: 7,138,661 km (0.067 R)
• M10: 7,693,220 km (0.113 R)
• M11: 8,772,120 km (0.068 R)
• M12: 9,287,485 km (0.069 R)
• M13: 9,781,008 km (0.092 R)
• M14: 10,510,298 km (0.093 R)
• M15: 11,648,289 km (0.064 R)
• M16: 15,442,689 km (0.115 R)
• M17: 19,521,625 km (0.069 R)
• M18: 27,999,785 km (0.102 R)
• M19: 28,858,626 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.2

Radius: 4.8

Gravity: 30.17 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.03 AU - 6.43 AU

Year: 9303 Days

Day: 20.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 45,904,505 km

• M1: 85,869 km (0.079 R)
• M2: 426,504 km (0.064 R)
• M3: 654,640 km (0.115 R)
• M4: 893,698 km (0.113 R)
• M5: 1,297,462 km (0.078 R)
• M6: 1,909,766 km (0.08 R)
• M7: 2,076,269 km (0.047 R)
• M8: 3,173,420 km (0.119 R)
• M9: 3,384,053 km (0.053 R)
• M10: 3,833,296 km (0.027 R)
• M11: 4,435,278 km (0.075 R)
• M12: 6,069,784 km (0.049 R)
• M13: 7,001,480 km (0.095 R)
• M14: 7,399,559 km (0.088 R)
• M15: 8,284,580 km (0.078 R)
• M16: 8,912,293 km (0.098 R)
• M17: 9,716,681 km (0.05 R)
• M18: 10,880,403 km (0.084 R)
• M19: 11,145,191 km (0.072 R)
• M20: 11,577,678 km (0.12 R)
• M21: 11,853,686 km (0.074 R)
• M22: 13,481,012 km (0.041 R)
• M23: 14,034,225 km (0.1 R)
• M24: 17,171,143 km (0.104 R)
• M25: 19,169,322 km (0.083 R)
• M26: 19,555,583 km (0.105 R)
• M27: 20,423,700 km (0.059 R)
• M28: 23,444,380 km (0.097 R)
• M29: 24,423,498 km (0.062 R)
• M30: 24,604,362 km (0.116 R)
• M31: 26,654,002 km (0.082 R)
• M32: 35,758,529 km (0.111 R)
• M33: 42,160,420 km (0.119 R)
• M34: 43,738,977 km (0.111 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: 274 - 19,581 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit