🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.1

Radius: 14.3

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.51 AU - 0.65 AU

Year: 305 Days

Day: 13.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,773,683 km

• M1: 179,817 km (0.114 R)
• M2: 626,516 km (0.071 R)
• M3: 1,120,189 km (0.109 R)
• M4: 1,622,090 km (0.091 R)
• M5: 2,248,157 km (0.111 R)
• M6: 3,015,893 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.8

Radius: 14.7

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.57 AU - 0.79 AU

Year: 387 Days

Day: 11.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 28,773,683 km

• M1: 182,809 km (0.07 R)
• M2: 680,970 km (0.115 R)
• M3: 1,204,412 km (0.11 R)
• M4: 1,798,765 km (0.06 R)
• M5: 2,273,888 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849

Radius: 9.6

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.07 AU - 3.01 AU

Year: 2794 Days

Day: 9.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,773,683 km

• M1: 119,379 km (0.098 R)
• M2: 441,314 km (0.054 R)
• M3: 850,165 km (0.113 R)
• M4: 1,616,854 km (0.112 R)
• M5: 2,048,144 km (0.081 R)
• M6: 2,406,282 km (0.045 R)
• M7: 3,268,414 km (0.097 R)
• M8: 4,087,911 km (0.119 R)
• M9: 4,823,335 km (0.092 R)
• M10: 5,386,271 km (0.093 R)
• M11: 6,643,342 km (0.095 R)
• M12: 7,756,051 km (0.039 R)
• M13: 8,598,886 km (0.09 R)
• M14: 9,918,040 km (0.093 R)
• M15: 10,545,902 km (0.111 R)
• M16: 11,707,978 km (0.078 R)
• M17: 12,275,702 km (0.085 R)
• M18: 12,588,810 km (0.108 R)
• M19: 12,907,454 km (0.117 R)
• M20: 13,751,335 km (0.104 R)
• M21: 14,432,754 km (0.05 R)
• M22: 15,136,612 km (0.109 R)
• M23: 17,838,050 km (0.083 R)
• M24: 19,423,040 km (0.118 R)
• M25: 19,848,945 km (0.046 R)
• M26: 20,908,995 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.2

Radius: 9.8

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.44 AU - 2.8 AU

Year: 2927 Days

Day: 8.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,773,683 km

• M1: 121,922 km (0.032 R)
• M2: 487,839 km (0.088 R)
• M3: 863,778 km (0.095 R)
• M4: 1,272,330 km (0.085 R)
• M5: 2,018,674 km (0.061 R)
• M6: 2,707,123 km (0.09 R)
• M7: 3,491,166 km (0.096 R)
• M8: 4,315,749 km (0.039 R)
• M9: 4,941,666 km (0.107 R)
• M10: 6,537,128 km (0.117 R)
• M11: 8,483,097 km (0.096 R)
• M12: 8,914,388 km (0.11 R)
• M13: 11,898,267 km (0.089 R)
• M14: 14,863,296 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.3

Radius: 14.4

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.3 AU - 3.34 AU

Year: 3269 Days

Day: 6 Hours

Environment

Temp: -208 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 28,773,683 km

• M1: 179,069 km (0.101 R)
• M2: 1,116,599 km (0.099 R)
• M3: 1,969,157 km (0.108 R)
• M4: 3,366,999 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.7

Radius: 9.6

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.01 AU - 4.91 AU

Year: 5439 Days

Day: 6.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,773,683 km

• M1: 121,025 km (0.092 R)
• M2: 945,459 km (0.089 R)
• M3: 2,275,533 km (0.094 R)
• M4: 4,707,546 km (0.078 R)
• M5: 8,025,776 km (0.053 R)
• M6: 8,939,370 km (0.112 R)
• M7: 9,238,716 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.2

Radius: 4.5

Gravity: 38.23 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.88 AU - 8.28 AU

Year: 14405 Days

Day: 19.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,773,683 km

• M1: 57,446 km (0.116 R)
• M2: 439,519 km (0.091 R)
• M3: 628,610 km (0.088 R)
• M4: 1,213,388 km (0.086 R)
• M5: 1,969,905 km (0.115 R)
• M6: 4,128,153 km (0.103 R)
• M7: 4,409,248 km (0.1 R)
• M8: 4,669,698 km (0.088 R)
• M9: 4,975,027 km (0.112 R)
• M10: 7,359,916 km (0.079 R)
• M11: 9,854,161 km (0.107 R)
• M12: 11,654,422 km (0.109 R)
• M13: 12,026,472 km (0.116 R)
• M14: 12,859,882 km (0.115 R)
• M15: 19,192,958 km (0.089 R)
• M16: 20,596,934 km (0.103 R)
• M17: 26,259,961 km (0.113 R)
• M18: 26,471,942 km (0.109 R)
• M19: 28,542,077 km (0.105 R)
• M20: 30,019,206 km (0.06 R)
• M21: 35,914,260 km (0.081 R)
• M22: 37,499,848 km (0.113 R)
• M23: 56,350,077 km (0.112 R)
• M24: 58,307,416 km (0.106 R)
• M25: 59,393,945 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.2

Radius: 5.7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 8.12 AU - 10.24 AU

Year: 19199 Days

Day: 24.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,773,683 km

• M1: 72,256 km (0.057 R)
• M2: 290,369 km (0.065 R)
• M3: 635,791 km (0.075 R)
• M4: 1,773,483 km (0.09 R)
• M5: 2,243,370 km (0.113 R)
• M6: 2,668,976 km (0.079 R)
• M7: 2,864,650 km (0.095 R)
• M8: 3,166,538 km (0.037 R)
• M9: 4,392,642 km (0.098 R)
• M10: 7,665,844 km (0.115 R)
• M11: 8,781,096 km (0.1 R)
• M12: 9,175,885 km (0.116 R)
• M13: 11,796,540 km (0.091 R)
• M14: 18,712,300 km (0.097 R)
• M15: 19,764,721 km (0.11 R)
• M16: 20,169,383 km (0.106 R)
• M17: 21,558,250 km (0.049 R)
• M18: 27,003,164 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 19,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit