🌌 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: 33.2

Radius: 11.8

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.68 AU - 0.74 AU

Year: 406 Days

Day: 5.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,057,329 km

• M1: 147,055 km (0.026 R)
• M2: 524,640 km (0.11 R)
• M3: 1,091,915 km (0.116 R)
• M4: 1,548,787 km (0.119 R)
• M5: 2,029,295 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.9

Radius: 12.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.86 AU - 1.1 AU

Year: 658 Days

Day: 14.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,057,329 km

• M1: 156,629 km (0.091 R)
• M2: 661,223 km (0.115 R)
• M3: 1,089,372 km (0.04 R)
• M4: 2,018,973 km (0.105 R)
• M5: 2,578,469 km (0.12 R)
• M6: 3,201,843 km (0.11 R)
• M7: 3,597,978 km (0.091 R)
• M8: 3,997,405 km (0.109 R)
• M9: 4,410,893 km (0.105 R)
• M10: 5,599,598 km (0.084 R)
• M11: 6,503,917 km (0.067 R)
• M12: 6,904,989 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.5

Radius: 11

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.63 AU - 1.81 AU

Year: 1530 Days

Day: 10.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,057,329 km

• M1: 136,732 km (0.086 R)
• M2: 541,095 km (0.097 R)
• M3: 1,193,791 km (0.084 R)
• M4: 1,539,362 km (0.105 R)
• M5: 1,994,289 km (0.117 R)
• M6: 2,968,022 km (0.103 R)
• M7: 3,891,938 km (0.078 R)
• M8: 4,595,347 km (0.115 R)
• M9: 5,037,110 km (0.115 R)
• M10: 5,677,389 km (0.043 R)
• M11: 6,394,262 km (0.026 R)
• M12: 7,739,895 km (0.086 R)
• M13: 10,849,286 km (0.118 R)
• M14: 11,635,423 km (0.083 R)
• M15: 12,060,281 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.5

Radius: 13.4

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.7 AU - 4 AU

Year: 5124 Days

Day: 14.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,057,329 km

• M1: 167,250 km (0.078 R)
• M2: 617,390 km (0.116 R)
• M3: 1,264,102 km (0.071 R)
• M4: 2,976,549 km (0.102 R)
• M5: 3,988,429 km (0.08 R)
• M6: 9,367,669 km (0.029 R)
• M7: 11,714,411 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.1

Radius: 14.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.81 AU - 6.17 AU

Year: 8725 Days

Day: 13.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,057,329 km

• M1: 184,155 km (0.073 R)
• M2: 1,007,841 km (0.093 R)
• M3: 2,803,913 km (0.106 R)
• M4: 3,958,360 km (0.103 R)
• M5: 4,737,914 km (0.091 R)
• M6: 5,439,528 km (0.114 R)
• M7: 5,955,641 km (0.118 R)
• M8: 7,373,081 km (0.119 R)
• M9: 10,356,960 km (0.086 R)
• M10: 11,839,923 km (0.087 R)
• M11: 17,921,227 km (0.117 R)
• M12: 19,347,642 km (0.118 R)
• M13: 21,740,460 km (0.106 R)
• M14: 29,630,102 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.2

Radius: 3.2

Gravity: 82.05 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.29 AU - 9.45 AU

Year: 14975 Days

Day: 22.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 62,057,329 km

• M1: 39,943 km (0.08 R)
• M2: 170,841 km (0.086 R)
• M3: 304,581 km (0.054 R)
• M4: 529,876 km (0.115 R)
• M5: 1,063,491 km (0.093 R)
• M6: 1,450,950 km (0.073 R)
• M7: 1,780,514 km (0.084 R)
• M8: 1,944,174 km (0.091 R)
• M9: 2,563,210 km (0.115 R)
• M10: 2,868,390 km (0.088 R)
• M11: 3,990,673 km (0.102 R)
• M12: 4,144,908 km (0.057 R)
• M13: 4,631,849 km (0.111 R)
• M14: 5,564,442 km (0.076 R)
• M15: 6,572,882 km (0.104 R)
• M16: 7,187,729 km (0.109 R)
• M17: 9,477,175 km (0.093 R)
• M18: 10,375,360 km (0.105 R)
• M19: 11,206,676 km (0.098 R)
• M20: 14,321,004 km (0.101 R)
• M21: 14,537,323 km (0.107 R)
• M22: 14,755,885 km (0.11 R)
• M23: 14,902,790 km (0.068 R)
• M24: 16,742,844 km (0.112 R)
• M25: 17,306,678 km (0.027 R)
• M26: 18,987,411 km (0.084 R)
• M27: 19,248,459 km (0.103 R)
• M28: 19,512,050 km (0.088 R)
• M29: 20,136,322 km (0.038 R)
• M30: 22,962,974 km (0.104 R)
• M31: 25,196,171 km (0.092 R)
• M32: 28,016,988 km (0.091 R)
• M33: 28,242,283 km (0.1 R)
• M34: 32,383,601 km (0.085 R)
• M35: 35,183,474 km (0.106 R)
• M36: 35,577,366 km (0.1 R)
• M37: 35,974,249 km (0.117 R)
• M38: 48,969,217 km (0.105 R)
• M39: 54,026,972 km (0.111 R)
• M40: 61,296,980 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.5

Radius: 4.8

Gravity: 27.5 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.99 AU - 7.99 AU

Year: 15318 Days

Day: 19.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,057,329 km

• M1: 60,288 km (0.056 R)
• M2: 348,413 km (0.091 R)
• M3: 609,611 km (0.061 R)
• M4: 1,028,336 km (0.086 R)
• M5: 1,801,458 km (0.078 R)
• M6: 2,307,996 km (0.085 R)
• M7: 2,952,314 km (0.095 R)
• M8: 3,968,383 km (0.089 R)
• M9: 7,309,053 km (0.085 R)
• M10: 8,187,342 km (0.089 R)
• M11: 9,082,236 km (0.095 R)
• M12: 12,599,432 km (0.114 R)
• M13: 14,551,385 km (0.102 R)
• M14: 16,236,007 km (0.099 R)
• M15: 17,007,333 km (0.113 R)
• M16: 17,402,122 km (0.12 R)
• M17: 17,964,909 km (0.09 R)
• M18: 19,126,836 km (0.12 R)
• M19: 19,382,199 km (0.113 R)
• M20: 19,899,808 km (0.06 R)
• M21: 20,782,735 km (0.111 R)
• M22: 21,691,542 km (0.104 R)
• M23: 22,531,833 km (0.104 R)
• M24: 25,489,383 km (0.101 R)
• M25: 28,807,015 km (0.118 R)
• M26: 32,764,327 km (0.079 R)
• M27: 34,999,020 km (0.059 R)
• M28: 42,309,419 km (0.087 R)
• M29: 43,179,481 km (0.032 R)
• M30: 45,861,322 km (0.096 R)
• M31: 52,380,049 km (0.058 R)
• M32: 52,546,252 km (0.048 R)
• M33: 52,879,855 km (0.056 R)
• M34: 54,911,245 km (0.05 R)
• M35: 61,871,585 km (0.111 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: 158 - 13,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit