🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.7

Radius: 10.2

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.63 AU - 0.71 AU

Year: 366 Days

Day: 7.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 54,477,839 km

• M1: 127,158 km (0.091 R)
• M2: 475,422 km (0.094 R)
• M3: 1,061,696 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.2

Radius: 12.7

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.57 AU - 0.87 AU

Year: 407 Days

Day: 7.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,477,839 km

• M1: 157,975 km (0.057 R)
• M2: 581,936 km (0.119 R)
• M3: 1,191,996 km (0.106 R)
• M4: 1,711,848 km (0.094 R)
• M5: 2,609,136 km (0.042 R)
• M6: 3,477,552 km (0.114 R)
• M7: 4,085,817 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.5

Radius: 8.2

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.69 AU - 1.11 AU

Year: 569 Days

Day: 9.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,477,839 km

• M1: 102,026 km (0.056 R)
• M2: 703,858 km (0.092 R)
• M3: 1,037,461 km (0.119 R)
• M4: 1,351,018 km (0.114 R)
• M5: 1,836,463 km (0.084 R)
• M6: 2,191,310 km (0.04 R)
• M7: 2,452,956 km (0.078 R)
• M8: 3,915,126 km (0.092 R)
• M9: 4,462,504 km (0.077 R)
• M10: 4,870,607 km (0.078 R)
• M11: 5,761,463 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.4

Radius: 11.6

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.94 AU - 1.27 AU

Year: 769 Days

Day: 5.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,477,839 km

• M1: 144,212 km (0.096 R)
• M2: 534,214 km (0.096 R)
• M3: 1,132,306 km (0.06 R)
• M4: 1,844,991 km (0.087 R)
• M5: 2,452,358 km (0.114 R)
• M6: 3,677,564 km (0.088 R)
• M7: 4,259,799 km (0.116 R)
• M8: 4,886,315 km (0.036 R)
• M9: 5,431,001 km (0.115 R)
• M10: 6,581,858 km (0.064 R)

Asteroid Belt

Center: 1.48 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.3

Radius: 14

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.51 AU - 2.19 AU

Year: 1678 Days

Day: 13.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,477,839 km

• M1: 174,132 km (0.104 R)
• M2: 624,571 km (0.086 R)
• M3: 1,182,721 km (0.101 R)
• M4: 1,802,206 km (0.12 R)
• M5: 2,921,646 km (0.097 R)
• M6: 3,432,822 km (0.069 R)
• M7: 4,275,358 km (0.088 R)
• M8: 4,796,257 km (0.108 R)
• M9: 5,251,932 km (0.111 R)
• M10: 5,990,198 km (0.088 R)
• M11: 6,470,557 km (0.119 R)
• M12: 6,950,915 km (0.098 R)
• M13: 8,213,372 km (0.039 R)
• M14: 8,899,577 km (0.074 R)
• M15: 10,835,823 km (0.061 R)
• M16: 12,071,800 km (0.044 R)
• M17: 12,880,975 km (0.106 R)
• M18: 13,726,053 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.1

Radius: 8.8

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.58 AU - 2.42 AU

Year: 1886 Days

Day: 13.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,477,839 km

• M1: 109,655 km (0.118 R)
• M2: 458,368 km (0.108 R)
• M3: 744,549 km (0.118 R)
• M4: 1,562,101 km (0.073 R)
• M5: 2,183,979 km (0.096 R)
• M6: 3,248,069 km (0.037 R)
• M7: 3,535,297 km (0.094 R)
• M8: 3,969,729 km (0.069 R)
• M9: 4,730,434 km (0.101 R)
• M10: 5,123,278 km (0.042 R)
• M11: 5,753,235 km (0.088 R)
• M12: 7,627,098 km (0.035 R)
• M13: 8,045,822 km (0.11 R)
• M14: 9,126,667 km (0.073 R)
• M15: 9,910,859 km (0.057 R)
• M16: 10,193,898 km (0.084 R)
• M17: 12,451,480 km (0.117 R)
• M18: 13,631,508 km (0.104 R)
• M19: 14,700,833 km (0.079 R)
• M20: 15,777,339 km (0.1 R)
• M21: 16,408,493 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.4

Radius: 10.4

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.88 AU - 2.68 AU

Year: 2296 Days

Day: 7.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,477,839 km

• M1: 129,402 km (0.093 R)
• M2: 748,438 km (0.088 R)
• M3: 1,103,284 km (0.105 R)
• M4: 1,510,340 km (0.056 R)
• M5: 2,123,841 km (0.037 R)
• M6: 2,752,002 km (0.051 R)
• M7: 3,162,050 km (0.119 R)
• M8: 4,200,708 km (0.075 R)
• M9: 4,798,950 km (0.089 R)
• M10: 8,118,527 km (0.11 R)
• M11: 8,446,146 km (0.107 R)
• M12: 8,782,592 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903

Radius: 5.6

Gravity: 28.79 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.24 AU - 6.58 AU

Year: 9581 Days

Day: 23.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,477,839 km

• M1: 108,010 km (0.092 R)
• M2: 569,519 km (0.114 R)
• M3: 1,326,634 km (0.079 R)
• M4: 1,886,130 km (0.081 R)
• M5: 2,890,829 km (0.091 R)
• M6: 3,285,468 km (0.107 R)
• M7: 3,508,668 km (0.12 R)
• M8: 4,717,868 km (0.099 R)
• M9: 4,906,212 km (0.072 R)
• M10: 5,571,025 km (0.082 R)
• M11: 6,915,910 km (0.103 R)
• M12: 7,366,798 km (0.12 R)
• M13: 8,236,410 km (0.068 R)
• M14: 12,109,200 km (0.108 R)
• M15: 12,463,298 km (0.113 R)
• M16: 13,254,222 km (0.11 R)
• M17: 14,667,922 km (0.101 R)
• M18: 15,757,293 km (0.118 R)
• M19: 16,899,473 km (0.088 R)
• M20: 18,403,530 km (0.064 R)
• M21: 19,994,653 km (0.109 R)
• M22: 20,656,025 km (0.062 R)
• M23: 22,285,146 km (0.053 R)
• M24: 23,538,926 km (0.067 R)
• M25: 25,603,077 km (0.108 R)
• M26: 28,091,638 km (0.104 R)
• M27: 33,083,420 km (0.094 R)
• M28: 34,476,624 km (0.094 R)
• M29: 37,878,480 km (0.098 R)
• M30: 41,630,843 km (0.117 R)
• M31: 47,347,876 km (0.108 R)
• M32: 48,817,525 km (0.099 R)
• M33: 49,115,075 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514.1

Radius: 8

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.4 AU - 8.78 AU

Year: 12589 Days

Day: 15.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,477,839 km

• M1: 101,876 km (0.034 R)
• M2: 385,364 km (0.07 R)
• M3: 774,169 km (0.098 R)
• M4: 1,176,737 km (0.063 R)
• M5: 1,937,592 km (0.108 R)
• M6: 2,793,890 km (0.075 R)
• M7: 3,516,747 km (0.1 R)
• M8: 4,186,048 km (0.106 R)
• M9: 4,657,131 km (0.097 R)
• M10: 6,359,705 km (0.066 R)
• M11: 6,902,595 km (0.116 R)
• M12: 7,731,368 km (0.056 R)
• M13: 9,388,014 km (0.115 R)
• M14: 15,005,564 km (0.086 R)
• M15: 15,481,285 km (0.103 R)
• M16: 16,037,191 km (0.09 R)
• M17: 18,164,473 km (0.096 R)
• M18: 19,255,939 km (0.068 R)
• M19: 19,736,896 km (0.119 R)
• M20: 22,087,527 km (0.097 R)
• M21: 25,185,400 km (0.069 R)
• M22: 28,561,225 km (0.063 R)
• M23: 30,573,317 km (0.111 R)
• M24: 34,877,547 km (0.069 R)
• M25: 36,316,529 km (0.11 R)
• M26: 37,669,941 km (0.103 R)
• M27: 43,694,995 km (0.119 R)
• M28: 49,879,969 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.5

Radius: 5.2

Gravity: 17.29 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.45 AU - 8.25 AU

Year: 14667 Days

Day: 17.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 108 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,477,839 km

• M1: 64,776 km (0.073 R)
• M2: 499,956 km (0.109 R)
• M3: 788,979 km (0.11 R)
• M4: 2,732,405 km (0.092 R)
• M5: 3,443,743 km (0.105 R)
• M6: 3,706,138 km (0.094 R)
• M7: 4,731,481 km (0.07 R)
• M8: 5,933,201 km (0.116 R)
• M9: 8,728,288 km (0.034 R)
• M10: 9,620,489 km (0.054 R)
• M11: 10,141,539 km (0.059 R)
• M12: 11,354,030 km (0.042 R)
• M13: 16,577,090 km (0.1 R)
• M14: 17,862,285 km (0.115 R)
• M15: 18,410,262 km (0.081 R)
• M16: 19,457,597 km (0.086 R)
• M17: 20,886,256 km (0.1 R)
• M18: 21,847,123 km (0.101 R)
• M19: 24,425,293 km (0.082 R)
• M20: 25,100,129 km (0.106 R)
• M21: 26,689,307 km (0.09 R)
• M22: 29,629,504 km (0.053 R)
• M23: 32,200,493 km (0.08 R)
• M24: 33,481,200 km (0.057 R)
• M25: 34,553,967 km (0.073 R)
• M26: 36,019,577 km (0.108 R)
• M27: 41,475,710 km (0.103 R)
• M28: 42,297,601 km (0.106 R)
• M29: 45,984,441 km (0.076 R)
• M30: 47,308,980 km (0.118 R)
• M31: 51,749,643 km (0.051 R)
• M32: 52,542,363 km (0.096 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 19,297 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit