🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.8

Radius: 10.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.6 AU - 0.78 AU

Year: 382 Days

Day: 8.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,093,958 km

• M1: 125,662 km (0.116 R)
• M2: 457,919 km (0.104 R)
• M3: 796,758 km (0.092 R)
• M4: 1,125,425 km (0.07 R)
• M5: 1,547,141 km (0.119 R)
• M6: 1,876,855 km (0.095 R)
• M7: 2,375,165 km (0.08 R)
• M8: 2,871,082 km (0.069 R)
• M9: 3,191,371 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822

Radius: 11.3

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.62 AU - 0.78 AU

Year: 391 Days

Day: 13.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,093,958 km

• M1: 140,472 km (0.11 R)
• M2: 523,593 km (0.12 R)
• M3: 890,706 km (0.062 R)
• M4: 1,292,077 km (0.092 R)
• M5: 1,770,940 km (0.106 R)
• M6: 2,232,299 km (0.099 R)
• M7: 2,794,039 km (0.071 R)
• M8: 3,767,922 km (0.05 R)
• M9: 4,188,591 km (0.083 R)
• M10: 4,985,349 km (0.118 R)
• M11: 5,444,764 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470

Radius: 8.6

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.67 AU - 0.73 AU

Year: 391 Days

Day: 8.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,093,958 km

• M1: 106,962 km (0.035 R)
• M2: 459,565 km (0.026 R)
• M3: 835,803 km (0.102 R)
• M4: 1,109,567 km (0.118 R)
• M5: 1,538,465 km (0.115 R)
• M6: 1,920,687 km (0.086 R)
• M7: 2,246,212 km (0.11 R)
• M8: 2,645,788 km (0.084 R)
• M9: 3,439,704 km (0.044 R)
• M10: 4,085,518 km (0.089 R)
• M11: 4,491,377 km (0.119 R)
• M12: 4,837,995 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.6

Radius: 9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.39 AU - 1.61 AU

Year: 1225 Days

Day: 6.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,093,958 km

• M1: 111,899 km (0.032 R)
• M2: 473,028 km (0.109 R)
• M3: 914,342 km (0.118 R)
• M4: 1,319,902 km (0.04 R)
• M5: 1,651,860 km (0.061 R)
• M6: 3,168,782 km (0.1 R)
• M7: 3,539,037 km (0.084 R)
• M8: 3,938,164 km (0.044 R)
• M9: 4,915,487 km (0.093 R)
• M10: 6,445,125 km (0.06 R)
• M11: 6,951,364 km (0.061 R)
• M12: 8,320,334 km (0.088 R)
• M13: 8,920,671 km (0.105 R)

Asteroid Belt

Center: 3.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900

Radius: 12.6

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.09 AU - 5.83 AU

Year: 7366 Days

Day: 7.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,093,958 km

• M1: 156,629 km (0.114 R)
• M2: 642,672 km (0.047 R)
• M3: 1,554,771 km (0.078 R)
• M4: 2,081,654 km (0.089 R)
• M5: 2,706,973 km (0.117 R)
• M6: 3,815,793 km (0.103 R)
• M7: 4,363,770 km (0.074 R)
• M8: 4,874,946 km (0.117 R)
• M9: 6,295,078 km (0.118 R)
• M10: 11,029,103 km (0.092 R)
• M11: 12,255,955 km (0.084 R)
• M12: 12,759,950 km (0.051 R)
• M13: 16,890,497 km (0.111 R)
• M14: 19,257,136 km (0.112 R)
• M15: 22,082,590 km (0.076 R)
• M16: 23,082,802 km (0.083 R)
• M17: 24,113,082 km (0.071 R)
• M18: 25,989,488 km (0.091 R)
• M19: 26,729,250 km (0.073 R)
• M20: 31,362,446 km (0.111 R)
• M21: 31,884,841 km (0.117 R)
• M22: 33,378,576 km (0.043 R)
• M23: 35,030,137 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.9

Radius: 7.9

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.85 AU - 10.59 AU

Year: 20208 Days

Day: 22.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,093,958 km

• M1: 98,286 km (0.119 R)
• M2: 390,600 km (0.104 R)
• M3: 1,286,990 km (0.115 R)
• M4: 1,752,539 km (0.105 R)
• M5: 3,287,563 km (0.107 R)
• M6: 3,750,718 km (0.089 R)
• M7: 4,126,208 km (0.054 R)
• M8: 4,424,058 km (0.091 R)
• M9: 4,843,530 km (0.064 R)
• M10: 5,327,629 km (0.085 R)
• M11: 6,134,859 km (0.114 R)
• M12: 6,523,814 km (0.112 R)
• M13: 7,067,751 km (0.113 R)
• M14: 7,398,961 km (0.105 R)
• M15: 8,298,044 km (0.09 R)
• M16: 9,380,385 km (0.112 R)
• M17: 11,496,447 km (0.101 R)
• M18: 12,630,997 km (0.057 R)
• M19: 13,403,820 km (0.076 R)
• M20: 16,072,945 km (0.098 R)
• M21: 17,148,554 km (0.058 R)
• M22: 18,626,580 km (0.067 R)
• M23: 18,896,006 km (0.108 R)
• M24: 20,093,537 km (0.116 R)
• M25: 20,855,290 km (0.065 R)
• M26: 22,436,090 km (0.059 R)
• M27: 24,629,943 km (0.084 R)
• M28: 26,507,845 km (0.094 R)
• M29: 29,076,889 km (0.109 R)
• M30: 31,046,495 km (0.088 R)
• M31: 34,704,312 km (0.072 R)
• M32: 35,799,967 km (0.113 R)
• M33: 39,668,119 km (0.054 R)
• M34: 46,884,272 km (0.057 R)
• M35: 49,242,832 km (0.051 R)
• M36: 49,758,346 km (0.085 R)
• M37: 51,502,657 km (0.114 R)
• M38: 74,580,971 km (0.099 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 19,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit