🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.9

Radius: 10.2

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.63 AU - 0.79 AU

Year: 392 Days

Day: 8.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 58,349,605 km

• M1: 126,859 km (0.105 R)
• M2: 686,505 km (0.041 R)
• M3: 2,103,645 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.9

Radius: 14.7

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.74 AU - 0.74 AU

Year: 418 Days

Day: 13.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,349,605 km

• M1: 182,809 km (0.089 R)
• M2: 846,126 km (0.113 R)
• M3: 1,673,701 km (0.092 R)
• M4: 2,330,884 km (0.067 R)
• M5: 3,800,085 km (0.043 R)
• M6: 4,694,381 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.5

Radius: 9.5

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.77 AU - 1.11 AU

Year: 598 Days

Day: 8.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,349,605 km

• M1: 118,182 km (0.078 R)
• M2: 419,173 km (0.09 R)
• M3: 1,005,896 km (0.101 R)
• M4: 1,340,397 km (0.116 R)
• M5: 1,749,846 km (0.098 R)
• M6: 2,622,899 km (0.083 R)
• M7: 3,083,661 km (0.104 R)
• M8: 3,570,602 km (0.118 R)
• M9: 3,990,523 km (0.077 R)
• M10: 4,585,773 km (0.11 R)
• M11: 5,082,887 km (0.111 R)
• M12: 5,380,437 km (0.087 R)
• M13: 6,586,046 km (0.104 R)
• M14: 7,417,661 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.8

Radius: 8.7

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.49 AU - 1.75 AU

Year: 1353 Days

Day: 13.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,349,605 km

• M1: 108,159 km (0.111 R)
• M2: 539,899 km (0.119 R)
• M3: 895,792 km (0.086 R)
• M4: 1,215,333 km (0.113 R)
• M5: 1,794,875 km (0.071 R)
• M6: 2,240,976 km (0.111 R)
• M7: 2,612,876 km (0.12 R)
• M8: 3,157,861 km (0.088 R)
• M9: 4,053,055 km (0.1 R)
• M10: 4,398,776 km (0.119 R)
• M11: 4,803,887 km (0.045 R)
• M12: 5,556,065 km (0.073 R)
• M13: 6,123,041 km (0.035 R)
• M14: 6,955,553 km (0.088 R)
• M15: 7,425,889 km (0.067 R)
• M16: 8,724,398 km (0.045 R)
• M17: 9,271,627 km (0.037 R)
• M18: 10,036,671 km (0.106 R)
• M19: 10,981,531 km (0.115 R)
• M20: 11,439,899 km (0.089 R)
• M21: 12,584,622 km (0.099 R)
• M22: 13,243,899 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.1

Radius: 10

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5 AU - 6.06 AU

Year: 8531 Days

Day: 13.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,349,605 km

• M1: 124,316 km (0.096 R)
• M2: 445,951 km (0.074 R)
• M3: 855,999 km (0.102 R)
• M4: 1,258,417 km (0.11 R)
• M5: 3,354,283 km (0.119 R)
• M6: 3,989,027 km (0.074 R)
• M7: 4,322,331 km (0.044 R)
• M8: 4,786,384 km (0.059 R)
• M9: 6,380,948 km (0.066 R)
• M10: 7,131,031 km (0.088 R)
• M11: 8,180,311 km (0.114 R)
• M12: 9,021,799 km (0.084 R)
• M13: 9,827,533 km (0.026 R)
• M14: 10,200,630 km (0.103 R)
• M15: 14,893,814 km (0.075 R)
• M16: 16,666,848 km (0.067 R)
• M17: 20,627,602 km (0.041 R)
• M18: 22,341,844 km (0.118 R)
• M19: 28,332,790 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.2

Radius: 7.1

Gravity: 16.11 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.28 AU - 8.44 AU

Year: 11787 Days

Day: 17.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 58,349,605 km

• M1: 88,412 km (0.099 R)
• M2: 380,876 km (0.09 R)
• M3: 634,445 km (0.095 R)
• M4: 909,405 km (0.055 R)
• M5: 1,188,555 km (0.063 R)
• M6: 1,410,558 km (0.096 R)
• M7: 2,389,078 km (0.098 R)
• M8: 2,616,916 km (0.086 R)
• M9: 3,760,142 km (0.111 R)
• M10: 3,983,791 km (0.088 R)
• M11: 4,582,183 km (0.039 R)
• M12: 5,698,183 km (0.101 R)
• M13: 6,902,147 km (0.09 R)
• M14: 7,898,917 km (0.111 R)
• M15: 9,543,297 km (0.097 R)
• M16: 10,336,764 km (0.064 R)
• M17: 11,059,322 km (0.053 R)
• M18: 11,637,667 km (0.089 R)
• M19: 12,542,585 km (0.107 R)
• M20: 13,235,522 km (0.081 R)
• M21: 14,356,309 km (0.064 R)
• M22: 15,184,483 km (0.104 R)
• M23: 15,898,663 km (0.12 R)
• M24: 18,096,555 km (0.103 R)
• M25: 19,977,748 km (0.076 R)
• M26: 22,166,365 km (0.091 R)
• M27: 24,997,804 km (0.091 R)
• M28: 25,791,570 km (0.035 R)
• M29: 27,325,248 km (0.088 R)
• M30: 32,758,044 km (0.063 R)
• M31: 33,349,853 km (0.117 R)
• M32: 34,433,091 km (0.07 R)
• M33: 38,737,321 km (0.098 R)
• M34: 39,665,875 km (0.069 R)
• M35: 40,338,168 km (0.075 R)
• M36: 42,821,493 km (0.088 R)
• M37: 47,938,488 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.5

Radius: 7.6

Gravity: 13.37 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.59 AU - 8.79 AU

Year: 12647 Days

Day: 15.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,349,605 km

• M1: 95,892 km (0.103 R)
• M2: 417,528 km (0.101 R)
• M3: 665,411 km (0.082 R)
• M4: 940,821 km (0.06 R)
• M5: 1,373,308 km (0.12 R)
• M6: 2,094,370 km (0.11 R)
• M7: 2,507,560 km (0.104 R)
• M8: 4,080,282 km (0.097 R)
• M9: 4,598,190 km (0.088 R)
• M10: 4,989,538 km (0.109 R)
• M11: 6,417,001 km (0.093 R)
• M12: 6,864,597 km (0.081 R)
• M13: 7,376,372 km (0.104 R)
• M14: 8,669,496 km (0.077 R)
• M15: 9,892,758 km (0.059 R)
• M16: 10,379,998 km (0.104 R)
• M17: 15,294,288 km (0.083 R)
• M18: 16,019,090 km (0.03 R)
• M19: 18,736,984 km (0.086 R)
• M20: 21,298,997 km (0.114 R)
• M21: 24,670,933 km (0.109 R)
• M22: 26,483,161 km (0.119 R)
• M23: 26,897,697 km (0.092 R)
• M24: 28,925,795 km (0.118 R)
• M25: 29,809,470 km (0.035 R)
• M26: 34,622,482 km (0.1 R)
• M27: 34,993,784 km (0.073 R)
• M28: 36,123,547 km (0.115 R)
• M29: 36,633,377 km (0.063 R)
• M30: 40,748,665 km (0.069 R)
• M31: 44,138,702 km (0.117 R)
• M32: 44,867,992 km (0.079 R)
• M33: 53,426,935 km (0.068 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 20,327 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit