🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.4

Radius: 14.8

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.69 AU - 1.05 AU

Year: 516 Days

Day: 9.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,659,698 km

• M1: 184,005 km (0.119 R)
• M2: 837,598 km (0.037 R)
• M3: 1,380,788 km (0.113 R)
• M4: 1,996,084 km (0.049 R)
• M5: 2,508,906 km (0.108 R)
• M6: 3,253,903 km (0.113 R)
• M7: 3,903,308 km (0.099 R)
• M8: 4,453,828 km (0.107 R)
• M9: 4,957,524 km (0.089 R)
• M10: 6,213,248 km (0.103 R)
• M11: 7,134,322 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.4

Radius: 10.4

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.89 AU - 2.09 AU

Year: 1785 Days

Day: 11.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,659,698 km

• M1: 129,402 km (0.111 R)
• M2: 459,415 km (0.067 R)
• M3: 810,222 km (0.062 R)
• M4: 1,657,245 km (0.116 R)
• M5: 1,993,691 km (0.101 R)
• M6: 2,467,617 km (0.106 R)
• M7: 3,924,551 km (0.098 R)
• M8: 4,495,416 km (0.108 R)
• M9: 5,394,948 km (0.096 R)
• M10: 7,699,354 km (0.085 R)
• M11: 8,871,603 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.4

Radius: 9

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.36 AU - 4.14 AU

Year: 4617 Days

Day: 9.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,659,698 km

• M1: 111,899 km (0.098 R)
• M2: 558,150 km (0.067 R)
• M3: 971,638 km (0.105 R)
• M4: 1,358,349 km (0.079 R)
• M5: 1,691,653 km (0.075 R)
• M6: 2,022,264 km (0.071 R)
• M7: 2,434,705 km (0.108 R)
• M8: 2,961,439 km (0.105 R)
• M9: 3,331,993 km (0.101 R)
• M10: 4,776,062 km (0.074 R)
• M11: 5,858,701 km (0.101 R)
• M12: 6,910,374 km (0.043 R)
• M13: 7,936,765 km (0.114 R)
• M14: 8,716,769 km (0.096 R)
• M15: 9,350,765 km (0.054 R)
• M16: 11,106,744 km (0.057 R)
• M17: 12,081,973 km (0.112 R)
• M18: 12,950,688 km (0.117 R)
• M19: 14,636,207 km (0.028 R)

Asteroid Belt

Center: 4.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270

Radius: 11

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.74 AU - 6.98 AU

Year: 9019 Days

Day: 10.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,659,698 km

• M1: 137,032 km (0.106 R)
• M2: 560,842 km (0.096 R)
• M3: 1,237,773 km (0.092 R)
• M4: 1,661,135 km (0.071 R)
• M5: 2,405,085 km (0.089 R)
• M6: 4,196,220 km (0.114 R)
• M7: 5,083,784 km (0.113 R)
• M8: 6,187,218 km (0.102 R)
• M9: 8,781,844 km (0.105 R)
• M10: 9,402,077 km (0.119 R)
• M11: 9,919,087 km (0.056 R)
• M12: 10,591,978 km (0.083 R)
• M13: 11,151,923 km (0.08 R)
• M14: 12,078,981 km (0.049 R)
• M15: 16,306,168 km (0.04 R)
• M16: 20,700,755 km (0.038 R)
• M17: 21,799,551 km (0.098 R)
• M18: 23,954,060 km (0.044 R)
• M19: 24,514,005 km (0.117 R)
• M20: 25,910,650 km (0.099 R)
• M21: 31,837,419 km (0.073 R)
• M22: 32,709,874 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.7

Radius: 6.3

Gravity: 14.13 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.93 AU - 6.43 AU

Year: 9768 Days

Day: 21.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,659,698 km

• M1: 78,389 km (0.118 R)
• M2: 783,444 km (0.108 R)
• M3: 984,803 km (0.091 R)
• M4: 1,186,760 km (0.044 R)
• M5: 1,983,817 km (0.109 R)
• M6: 2,573,383 km (0.099 R)
• M7: 2,877,365 km (0.103 R)
• M8: 4,120,524 km (0.051 R)
• M9: 5,358,297 km (0.12 R)
• M10: 6,309,889 km (0.089 R)
• M11: 6,939,995 km (0.093 R)
• M12: 8,499,104 km (0.119 R)
• M13: 12,574,599 km (0.058 R)
• M14: 15,127,636 km (0.045 R)
• M15: 17,789,880 km (0.106 R)
• M16: 21,150,297 km (0.099 R)
• M17: 23,150,719 km (0.115 R)
• M18: 23,669,824 km (0.093 R)
• M19: 28,008,013 km (0.056 R)
• M20: 28,895,128 km (0.069 R)
• M21: 32,523,475 km (0.097 R)
• M22: 34,727,351 km (0.102 R)
• M23: 36,560,672 km (0.078 R)
• M24: 39,063,594 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.7

Radius: 6.2

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.41 AU - 11.29 AU

Year: 18178 Days

Day: 24.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,659,698 km

• M1: 77,193 km (0.089 R)
• M2: 574,905 km (0.109 R)
• M3: 869,313 km (0.067 R)
• M4: 1,141,731 km (0.038 R)
• M5: 2,318,169 km (0.082 R)
• M6: 3,025,767 km (0.116 R)
• M7: 3,631,638 km (0.074 R)
• M8: 4,087,762 km (0.077 R)
• M9: 4,858,191 km (0.08 R)
• M10: 5,513,729 km (0.098 R)
• M11: 9,402,974 km (0.102 R)
• M12: 10,417,547 km (0.112 R)
• M13: 12,602,723 km (0.081 R)
• M14: 20,957,614 km (0.107 R)
• M15: 40,240,032 km (0.061 R)
• M16: 40,892,129 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.7

Radius: 5.9

Gravity: 27.31 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.58 AU - 10.36 AU

Year: 18529 Days

Day: 21.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 146 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,659,698 km

• M1: 74,500 km (0.104 R)
• M2: 350,807 km (0.078 R)
• M3: 931,396 km (0.116 R)
• M4: 1,201,420 km (0.107 R)
• M5: 2,382,346 km (0.109 R)
• M6: 2,592,232 km (0.119 R)
• M7: 2,891,128 km (0.113 R)
• M8: 3,411,430 km (0.082 R)
• M9: 3,802,030 km (0.097 R)
• M10: 4,089,407 km (0.049 R)
• M11: 4,672,091 km (0.111 R)
• M12: 4,927,604 km (0.071 R)
• M13: 5,546,640 km (0.086 R)
• M14: 6,259,624 km (0.091 R)
• M15: 6,706,622 km (0.111 R)
• M16: 7,032,147 km (0.073 R)
• M17: 7,416,763 km (0.106 R)
• M18: 8,333,798 km (0.067 R)
• M19: 9,381,133 km (0.116 R)
• M20: 11,535,641 km (0.056 R)
• M21: 16,124,257 km (0.025 R)
• M22: 17,654,643 km (0.096 R)
• M23: 20,805,025 km (0.109 R)
• M24: 21,099,732 km (0.037 R)
• M25: 22,512,236 km (0.083 R)
• M26: 22,927,070 km (0.04 R)
• M27: 25,749,085 km (0.092 R)
• M28: 32,728,873 km (0.104 R)
• M29: 34,206,900 km (0.116 R)
• M30: 35,588,585 km (0.092 R)
• M31: 40,412,219 km (0.102 R)
• M32: 48,179,191 km (0.083 R)
• M33: 50,442,008 km (0.116 R)
• M34: 56,884,291 km (0.114 R)
• M35: 59,410,251 km (0.039 R)
• M36: 61,403,493 km (0.078 R)
• M37: 65,733,604 km (0.087 R)
• M38: 74,765,575 km (0.068 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: 558 - 16,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit