🌌 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: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.4

Radius: 10.7

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.56 AU - 0.8 AU

Year: 387 Days

Day: 14.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,657,353 km

• M1: 133,142 km (0.115 R)
• M2: 533,167 km (0.12 R)
• M3: 1,200,074 km (0.056 R)
• M4: 1,580,651 km (0.11 R)
• M5: 2,062,506 km (0.084 R)
• M6: 2,531,046 km (0.089 R)
• M7: 3,078,575 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.8

Radius: 11.8

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.89 AU - 0.93 AU

Year: 599 Days

Day: 13.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,657,353 km

• M1: 146,905 km (0.103 R)
• M2: 543,040 km (0.112 R)
• M3: 912,397 km (0.12 R)
• M4: 1,361,490 km (0.06 R)
• M5: 1,757,326 km (0.074 R)
• M6: 2,876,617 km (0.117 R)
• M7: 3,591,695 km (0.03 R)
• M8: 4,203,102 km (0.113 R)
• M9: 4,663,863 km (0.104 R)
• M10: 6,233,893 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.9

Radius: 10.9

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.24 AU - 1.6 AU

Year: 1168 Days

Day: 8.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 94.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,657,353 km

• M1: 135,536 km (0.063 R)
• M2: 592,707 km (0.113 R)
• M3: 951,742 km (0.086 R)
• M4: 1,575,864 km (0.096 R)
• M5: 1,927,718 km (0.108 R)
• M6: 2,332,680 km (0.05 R)
• M7: 3,163,097 km (0.086 R)
• M8: 3,855,885 km (0.034 R)
• M9: 5,034,268 km (0.082 R)
• M10: 5,563,545 km (0.1 R)
• M11: 5,936,791 km (0.118 R)
• M12: 9,010,429 km (0.057 R)
• M13: 9,526,692 km (0.089 R)
• M14: 10,524,659 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.4

Radius: 8.5

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.4 AU - 1.82 AU

Year: 1410 Days

Day: 10.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,657,353 km

• M1: 105,766 km (0.12 R)
• M2: 380,577 km (0.051 R)
• M3: 701,614 km (0.074 R)
• M4: 1,013,226 km (0.11 R)
• M5: 1,317,808 km (0.056 R)
• M6: 1,597,855 km (0.091 R)
• M7: 1,865,186 km (0.038 R)
• M8: 2,757,687 km (0.106 R)
• M9: 3,071,543 km (0.098 R)
• M10: 3,554,595 km (0.117 R)
• M11: 3,944,896 km (0.082 R)
• M12: 4,574,404 km (0.119 R)
• M13: 4,893,047 km (0.119 R)
• M14: 7,100,813 km (0.116 R)
• M15: 7,889,493 km (0.114 R)
• M16: 8,675,031 km (0.115 R)
• M17: 9,607,923 km (0.074 R)
• M18: 10,401,241 km (0.114 R)
• M19: 12,230,972 km (0.086 R)
• M20: 12,807,672 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.6

Radius: 10.7

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.51 AU - 2.31 AU

Year: 1822 Days

Day: 9 Hours

Environment

Temp: -191 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,657,353 km

• M1: 136,732 km (0.093 R)
• M2: 747,840 km (0.032 R)
• M3: 1,252,284 km (0.093 R)
• M4: 1,620,893 km (0.086 R)
• M5: 2,520,724 km (0.066 R)
• M6: 2,974,754 km (0.104 R)
• M7: 3,358,472 km (0.111 R)
• M8: 5,154,395 km (0.112 R)
• M9: 5,644,776 km (0.071 R)
• M10: 6,843,953 km (0.118 R)
• M11: 7,357,971 km (0.047 R)
• M12: 8,064,522 km (0.064 R)
• M13: 8,786,033 km (0.036 R)
• M14: 9,147,311 km (0.103 R)
• M15: 9,644,575 km (0.072 R)
• M16: 10,727,215 km (0.048 R)
• M17: 11,070,841 km (0.052 R)
• M18: 11,635,872 km (0.089 R)

Asteroid Belt

Center: 2.89 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.2

Radius: 14.4

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.98 AU - 4.76 AU

Year: 5255 Days

Day: 14.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,657,353 km

• M1: 179,069 km (0.11 R)
• M2: 639,830 km (0.053 R)
• M3: 1,734,288 km (0.066 R)
• M4: 3,603,065 km (0.088 R)
• M5: 4,843,381 km (0.045 R)
• M6: 5,307,134 km (0.074 R)
• M7: 7,932,427 km (0.073 R)
• M8: 8,713,627 km (0.079 R)
• M9: 9,438,878 km (0.078 R)
• M10: 10,018,270 km (0.033 R)
• M11: 11,611,936 km (0.096 R)
• M12: 12,663,460 km (0.073 R)
• M13: 16,047,663 km (0.093 R)
• M14: 17,567,128 km (0.049 R)
• M15: 19,123,395 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.1

Radius: 10.8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.9 AU - 5.18 AU

Year: 6677 Days

Day: 14.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,657,353 km

• M1: 134,339 km (0.08 R)
• M2: 470,336 km (0.063 R)
• M3: 1,744,760 km (0.114 R)
• M4: 2,087,788 km (0.11 R)
• M5: 2,822,014 km (0.07 R)
• M6: 3,180,301 km (0.119 R)
• M7: 3,943,998 km (0.073 R)
• M8: 5,119,987 km (0.092 R)
• M9: 5,569,529 km (0.047 R)
• M10: 7,010,904 km (0.082 R)
• M11: 7,459,997 km (0.036 R)
• M12: 7,891,437 km (0.088 R)
• M13: 9,618,245 km (0.064 R)
• M14: 10,000,468 km (0.093 R)
• M15: 10,977,492 km (0.044 R)
• M16: 11,348,046 km (0.096 R)
• M17: 13,591,415 km (0.039 R)
• M18: 16,056,339 km (0.102 R)
• M19: 23,879,261 km (0.068 R)
• M20: 24,424,246 km (0.083 R)
• M21: 25,297,299 km (0.102 R)
• M22: 27,784,364 km (0.07 R)
• M23: 29,798,101 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.2

Radius: 8.6

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.55 AU - 4.91 AU

Year: 7101 Days

Day: 6.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 144.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,657,353 km

• M1: 107,112 km (0.093 R)
• M2: 481,556 km (0.076 R)
• M3: 795,861 km (0.118 R)
• M4: 1,295,518 km (0.113 R)
• M5: 1,650,065 km (0.09 R)
• M6: 1,979,778 km (0.099 R)
• M7: 2,695,006 km (0.03 R)
• M8: 3,534,698 km (0.045 R)
• M9: 4,811,516 km (0.061 R)
• M10: 5,119,239 km (0.066 R)
• M11: 6,627,335 km (0.116 R)
• M12: 7,069,098 km (0.11 R)
• M13: 8,859,036 km (0.092 R)
• M14: 12,584,921 km (0.075 R)
• M15: 17,406,909 km (0.108 R)
• M16: 17,684,563 km (0.068 R)
• M17: 20,873,241 km (0.052 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.9

Radius: 13.4

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.37 AU - 5.25 AU

Year: 7282 Days

Day: 9.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,657,353 km

• M1: 166,951 km (0.117 R)
• M2: 649,404 km (0.11 R)
• M3: 1,092,812 km (0.111 R)
• M4: 1,654,552 km (0.046 R)
• M5: 2,256,385 km (0.112 R)
• M6: 3,062,568 km (0.064 R)
• M7: 3,882,514 km (0.098 R)
• M8: 4,331,906 km (0.094 R)
• M9: 6,188,116 km (0.083 R)
• M10: 7,806,166 km (0.087 R)
• M11: 9,247,991 km (0.031 R)
• M12: 10,909,275 km (0.103 R)
• M13: 12,870,653 km (0.093 R)
• M14: 13,935,042 km (0.079 R)
• M15: 16,754,363 km (0.098 R)
• M16: 17,886,520 km (0.046 R)
• M17: 18,856,662 km (0.112 R)
• M18: 22,292,327 km (0.077 R)
• M19: 23,497,487 km (0.115 R)
• M20: 24,157,663 km (0.099 R)
• M21: 29,131,493 km (0.093 R)
• M22: 30,086,376 km (0.093 R)
• M23: 30,571,522 km (0.119 R)
• M24: 32,564,614 km (0.079 R)
• M25: 34,962,219 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.7

Radius: 4.5

Gravity: 37.76 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.9 AU - 8.36 AU

Year: 13142 Days

Day: 20.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,657,353 km

• M1: 92,601 km (0.08 R)
• M2: 237,711 km (0.097 R)
• M3: 921,822 km (0.096 R)
• M4: 1,127,818 km (0.106 R)
• M5: 2,745,121 km (0.099 R)
• M6: 3,646,149 km (0.113 R)
• M7: 3,899,119 km (0.12 R)
• M8: 4,631,251 km (0.12 R)
• M9: 4,861,183 km (0.037 R)
• M10: 6,524,562 km (0.108 R)
• M11: 7,962,197 km (0.087 R)
• M12: 8,729,784 km (0.084 R)
• M13: 9,704,115 km (0.058 R)
• M14: 11,564,963 km (0.084 R)
• M15: 12,484,541 km (0.052 R)
• M16: 12,674,081 km (0.062 R)
• M17: 16,198,457 km (0.059 R)
• M18: 16,424,051 km (0.085 R)
• M19: 17,504,596 km (0.027 R)
• M20: 18,796,524 km (0.094 R)
• M21: 33,767,082 km (0.101 R)
• M22: 38,899,037 km (0.112 R)
• M23: 41,089,449 km (0.051 R)
• M24: 49,087,400 km (0.087 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 10,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit