🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.5 AU - 0.8 AU

Year: 344 Days

Day: 20.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.14 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.3

Radius: 10.2

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.57 AU - 1.69 AU

Year: 1365 Days

Day: 6.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,459,049 km

• M1: 128,355 km (0.086 R)
• M2: 504,743 km (0.095 R)
• M3: 870,660 km (0.078 R)
• M4: 1,198,728 km (0.113 R)
• M5: 1,565,991 km (0.094 R)
• M6: 2,052,184 km (0.116 R)
• M7: 2,410,171 km (0.069 R)
• M8: 3,284,122 km (0.081 R)
• M9: 4,735,969 km (0.082 R)
• M10: 5,240,862 km (0.093 R)
• M11: 5,826,239 km (0.113 R)
• M12: 6,311,235 km (0.08 R)
• M13: 7,025,116 km (0.073 R)
• M14: 7,362,160 km (0.115 R)
• M15: 7,682,898 km (0.096 R)
• M16: 8,125,109 km (0.118 R)
• M17: 8,672,338 km (0.051 R)
• M18: 9,091,063 km (0.119 R)
• M19: 9,680,777 km (0.109 R)
• M20: 10,033,828 km (0.088 R)
• M21: 10,462,127 km (0.078 R)
• M22: 11,355,376 km (0.115 R)
• M23: 11,712,167 km (0.086 R)
• M24: 12,187,290 km (0.103 R)
• M25: 12,637,131 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.4

Radius: 13.5

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.32 AU - 2.74 AU

Year: 2640 Days

Day: 6.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,459,049 km

• M1: 168,148 km (0.119 R)
• M2: 712,385 km (0.089 R)
• M3: 1,175,690 km (0.118 R)
• M4: 1,770,940 km (0.048 R)
• M5: 2,425,430 km (0.055 R)
• M6: 3,541,730 km (0.062 R)
• M7: 4,224,195 km (0.104 R)
• M8: 5,097,847 km (0.114 R)
• M9: 6,009,496 km (0.059 R)
• M10: 7,543,173 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.2

Radius: 9

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.06 AU - 3.32 AU

Year: 3738 Days

Day: 7.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,459,049 km

• M1: 113,844 km (0.093 R)
• M2: 409,599 km (0.115 R)
• M3: 951,742 km (0.114 R)
• M4: 1,257,071 km (0.03 R)
• M5: 1,876,406 km (0.072 R)
• M6: 2,296,776 km (0.099 R)
• M7: 3,507,621 km (0.081 R)
• M8: 4,067,117 km (0.06 R)
• M9: 6,000,819 km (0.104 R)
• M10: 6,378,853 km (0.093 R)
• M11: 7,093,632 km (0.081 R)
• M12: 8,614,444 km (0.079 R)
• M13: 8,922,167 km (0.088 R)
• M14: 9,237,070 km (0.072 R)
• M15: 10,189,261 km (0.11 R)
• M16: 10,806,801 km (0.078 R)
• M17: 11,165,087 km (0.111 R)
• M18: 16,943,754 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.9

Radius: 11.5

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.09 AU - 4.81 AU

Year: 5150 Days

Day: 7.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,459,049 km

• M1: 143,016 km (0.097 R)
• M2: 654,042 km (0.119 R)
• M3: 1,104,032 km (0.057 R)
• M4: 1,505,553 km (0.112 R)
• M5: 1,894,657 km (0.113 R)
• M6: 2,335,522 km (0.118 R)
• M7: 3,469,324 km (0.118 R)
• M8: 4,159,270 km (0.106 R)
• M9: 4,806,729 km (0.112 R)
• M10: 5,842,844 km (0.104 R)
• M11: 6,688,670 km (0.106 R)
• M12: 7,401,504 km (0.119 R)
• M13: 9,932,102 km (0.104 R)
• M14: 10,814,879 km (0.101 R)
• M15: 11,182,291 km (0.059 R)
• M16: 13,198,272 km (0.101 R)
• M17: 14,875,713 km (0.074 R)
• M18: 19,854,629 km (0.114 R)
• M19: 20,968,834 km (0.068 R)
• M20: 21,686,007 km (0.1 R)
• M21: 23,018,176 km (0.079 R)
• M22: 24,013,749 km (0.052 R)
• M23: 29,784,188 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.3

Radius: 11.5

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.41 AU - 4.69 AU

Year: 5347 Days

Day: 11.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,459,049 km

• M1: 149,448 km (0.055 R)
• M2: 664,364 km (0.108 R)
• M3: 1,142,030 km (0.054 R)
• M4: 1,799,662 km (0.105 R)
• M5: 2,556,628 km (0.112 R)
• M6: 3,951,628 km (0.053 R)
• M7: 6,886,289 km (0.05 R)
• M8: 7,768,917 km (0.116 R)
• M9: 8,375,087 km (0.107 R)
• M10: 10,107,580 km (0.119 R)
• M11: 12,743,195 km (0.069 R)
• M12: 13,634,948 km (0.117 R)
• M13: 14,517,875 km (0.072 R)
• M14: 15,075,875 km (0.112 R)
• M15: 17,002,845 km (0.116 R)
• M16: 17,794,667 km (0.113 R)
• M17: 19,635,768 km (0.106 R)
• M18: 20,570,754 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.9

Radius: 12

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.39 AU - 5.07 AU

Year: 6748 Days

Day: 14.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,459,049 km

• M1: 149,299 km (0.115 R)
• M2: 556,654 km (0.082 R)
• M3: 1,343,538 km (0.051 R)
• M4: 1,722,171 km (0.071 R)
• M5: 2,124,888 km (0.102 R)
• M6: 2,879,161 km (0.08 R)
• M7: 3,319,427 km (0.117 R)
• M8: 4,257,855 km (0.074 R)
• M9: 5,551,577 km (0.07 R)
• M10: 5,970,301 km (0.087 R)
• M11: 6,514,538 km (0.107 R)
• M12: 9,030,775 km (0.068 R)
• M13: 9,430,351 km (0.087 R)
• M14: 9,934,795 km (0.118 R)
• M15: 12,954,876 km (0.116 R)
• M16: 14,522,363 km (0.097 R)
• M17: 15,509,110 km (0.097 R)
• M18: 16,018,940 km (0.106 R)
• M19: 21,279,549 km (0.055 R)
• M20: 23,289,397 km (0.067 R)
• M21: 27,683,535 km (0.09 R)
• M22: 30,968,854 km (0.115 R)
• M23: 31,676,152 km (0.12 R)
• M24: 35,485,213 km (0.112 R)
• M25: 37,613,692 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.4

Radius: 10.1

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.03 AU - 5.07 AU

Year: 7445 Days

Day: 12.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,459,049 km

• M1: 125,662 km (0.11 R)
• M2: 539,300 km (0.096 R)
• M3: 958,174 km (0.109 R)
• M4: 2,114,865 km (0.096 R)
• M5: 2,524,165 km (0.097 R)
• M6: 3,930,235 km (0.113 R)
• M7: 4,746,890 km (0.12 R)
• M8: 5,930,060 km (0.097 R)
• M9: 7,375,175 km (0.079 R)
• M10: 9,173,341 km (0.08 R)
• M11: 10,364,140 km (0.077 R)
• M12: 11,398,759 km (0.058 R)
• M13: 12,663,759 km (0.096 R)
• M14: 12,994,221 km (0.045 R)
• M15: 14,255,331 km (0.053 R)
• M16: 15,722,287 km (0.089 R)
• M17: 16,557,642 km (0.067 R)
• M18: 19,169,322 km (0.077 R)
• M19: 20,272,007 km (0.105 R)
• M20: 24,084,958 km (0.053 R)
• M21: 25,368,358 km (0.042 R)
• M22: 25,718,118 km (0.119 R)
• M23: 29,684,406 km (0.074 R)
• M24: 31,359,005 km (0.099 R)
• M25: 33,513,364 km (0.117 R)
• M26: 34,895,499 km (0.1 R)
• M27: 35,874,467 km (0.079 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: 265 - 11,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit