🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.6

Radius: 14.5

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.57 AU - 0.89 AU

Year: 438 Days

Day: 9.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,992,783 km

• M1: 180,415 km (0.1 R)
• M2: 641,176 km (0.113 R)
• M3: 1,321,996 km (0.083 R)
• M4: 2,238,283 km (0.074 R)
• M5: 2,843,706 km (0.073 R)
• M6: 3,337,678 km (0.098 R)
• M7: 3,946,691 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.3

Radius: 11.9

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.78 AU - 0.9 AU

Year: 541 Days

Day: 11.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,992,783 km

• M1: 148,850 km (0.054 R)
• M2: 608,265 km (0.093 R)
• M3: 1,039,256 km (0.107 R)
• M4: 1,775,278 km (0.119 R)
• M5: 2,792,244 km (0.117 R)
• M6: 3,207,378 km (0.104 R)
• M7: 3,601,270 km (0.067 R)
• M8: 4,458,765 km (0.078 R)
• M9: 5,665,571 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.9

Radius: 9.5

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.88 AU - 0.96 AU

Year: 620 Days

Day: 12.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,992,783 km

• M1: 118,182 km (0.075 R)
• M2: 485,295 km (0.084 R)
• M3: 1,011,431 km (0.119 R)
• M4: 1,344,286 km (0.077 R)
• M5: 1,890,169 km (0.092 R)
• M6: 2,315,625 km (0.116 R)
• M7: 2,641,150 km (0.093 R)
• M8: 2,951,117 km (0.075 R)
• M9: 3,449,278 km (0.045 R)
• M10: 4,308,568 km (0.072 R)
• M11: 5,116,995 km (0.112 R)
• M12: 5,566,537 km (0.059 R)
• M13: 6,406,678 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.7

Radius: 14

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.75 AU - 4.13 AU

Year: 4485 Days

Day: 12.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,992,783 km

• M1: 174,431 km (0.096 R)
• M2: 1,002,007 km (0.088 R)
• M3: 1,840,951 km (0.101 R)
• M4: 2,577,721 km (0.111 R)
• M5: 3,145,594 km (0.073 R)
• M6: 3,666,943 km (0.088 R)
• M7: 4,225,541 km (0.072 R)
• M8: 4,730,434 km (0.067 R)
• M9: 7,434,266 km (0.072 R)
• M10: 8,661,268 km (0.116 R)
• M11: 10,389,123 km (0.073 R)
• M12: 10,961,485 km (0.068 R)
• M13: 12,421,410 km (0.1 R)
• M14: 13,734,132 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.2

Radius: 11.3

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.85 AU - 4.59 AU

Year: 5043 Days

Day: 12.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,992,783 km

• M1: 140,772 km (0.098 R)
• M2: 540,796 km (0.117 R)
• M3: 968,197 km (0.104 R)
• M4: 1,753,586 km (0.087 R)
• M5: 2,310,090 km (0.11 R)
• M6: 3,343,064 km (0.079 R)
• M7: 4,302,884 km (0.118 R)
• M8: 4,766,787 km (0.115 R)
• M9: 5,614,558 km (0.047 R)
• M10: 6,138,001 km (0.055 R)
• M11: 6,560,166 km (0.112 R)
• M12: 7,535,394 km (0.12 R)
• M13: 8,134,833 km (0.099 R)
• M14: 8,969,290 km (0.105 R)
• M15: 10,259,422 km (0.05 R)
• M16: 10,715,845 km (0.082 R)
• M17: 13,045,533 km (0.117 R)
• M18: 15,044,609 km (0.072 R)
• M19: 15,694,313 km (0.115 R)
• M20: 16,797,597 km (0.068 R)
• M21: 17,368,313 km (0.106 R)
• M22: 19,433,511 km (0.102 R)
• M23: 20,633,137 km (0.09 R)
• M24: 22,409,911 km (0.117 R)
• M25: 23,413,712 km (0.103 R)
• M26: 24,608,999 km (0.112 R)
• M27: 25,180,613 km (0.116 R)
• M28: 26,350,319 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.2

Radius: 12

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.35 AU - 4.17 AU

Year: 5125 Days

Day: 12.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,992,783 km

• M1: 149,299 km (0.045 R)
• M2: 720,912 km (0.078 R)
• M3: 1,771,388 km (0.099 R)
• M4: 2,315,775 km (0.093 R)
• M5: 2,761,577 km (0.115 R)
• M6: 4,576,199 km (0.095 R)
• M7: 6,391,868 km (0.056 R)
• M8: 7,377,569 km (0.117 R)
• M9: 8,030,115 km (0.115 R)
• M10: 8,758,207 km (0.071 R)
• M11: 12,025,574 km (0.06 R)
• M12: 12,401,065 km (0.095 R)
• M13: 14,502,915 km (0.074 R)
• M14: 20,378,521 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.1

Radius: 10.4

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.54 AU - 5.12 AU

Year: 6333 Days

Day: 5.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,992,783 km

• M1: 130,300 km (0.048 R)
• M2: 501,751 km (0.085 R)
• M3: 1,143,377 km (0.115 R)
• M4: 1,585,289 km (0.098 R)
• M5: 2,496,938 km (0.077 R)
• M6: 3,333,041 km (0.067 R)
• M7: 4,465,646 km (0.089 R)
• M8: 5,344,683 km (0.052 R)
• M9: 5,959,530 km (0.05 R)
• M10: 6,542,214 km (0.116 R)
• M11: 7,387,143 km (0.108 R)
• M12: 7,880,517 km (0.106 R)
• M13: 11,165,686 km (0.093 R)
• M14: 12,250,420 km (0.087 R)
• M15: 12,695,324 km (0.119 R)
• M16: 13,789,932 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.4

Radius: 5.6

Gravity: 29.25 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.55 AU - 5.75 AU

Year: 9440 Days

Day: 20.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 56.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,992,783 km

• M1: 69,713 km (0.091 R)
• M2: 306,077 km (0.109 R)
• M3: 728,542 km (0.055 R)
• M4: 1,025,344 km (0.117 R)
• M5: 1,359,994 km (0.103 R)
• M6: 1,717,832 km (0.1 R)
• M7: 1,894,358 km (0.102 R)
• M8: 2,118,605 km (0.06 R)
• M9: 2,641,599 km (0.04 R)
• M10: 3,198,851 km (0.113 R)
• M11: 3,594,687 km (0.093 R)
• M12: 4,424,357 km (0.084 R)
• M13: 5,374,902 km (0.088 R)
• M14: 5,615,006 km (0.114 R)
• M15: 6,454,699 km (0.102 R)
• M16: 6,686,875 km (0.071 R)
• M17: 7,086,152 km (0.072 R)
• M18: 8,020,540 km (0.064 R)
• M19: 8,749,830 km (0.079 R)
• M20: 9,276,265 km (0.081 R)
• M21: 12,465,841 km (0.105 R)
• M22: 16,749,576 km (0.101 R)
• M23: 19,499,035 km (0.077 R)
• M24: 19,740,785 km (0.084 R)
• M25: 26,458,179 km (0.091 R)
• M26: 27,657,505 km (0.028 R)
• M27: 32,140,504 km (0.111 R)
• M28: 34,201,514 km (0.111 R)
• M29: 36,838,326 km (0.062 R)
• M30: 45,273,252 km (0.084 R)
• M31: 46,986,148 km (0.085 R)
• M32: 47,420,879 km (0.039 R)
• M33: 50,540,444 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.3

Radius: 7.5

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.68 AU - 5.94 AU

Year: 9844 Days

Day: 18.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,992,783 km

• M1: 93,349 km (0.1 R)
• M2: 839,693 km (0.041 R)
• M3: 1,857,407 km (0.081 R)
• M4: 3,097,873 km (0.09 R)
• M5: 3,930,385 km (0.108 R)
• M6: 4,610,906 km (0.112 R)
• M7: 4,994,624 km (0.026 R)
• M8: 7,557,535 km (0.108 R)
• M9: 8,091,450 km (0.086 R)
• M10: 10,233,542 km (0.116 R)
• M11: 11,197,849 km (0.116 R)
• M12: 13,247,490 km (0.069 R)
• M13: 15,211,411 km (0.036 R)
• M14: 19,027,054 km (0.06 R)
• M15: 19,630,532 km (0.117 R)
• M16: 29,872,600 km (0.068 R)
• M17: 35,097,904 km (0.101 R)
• M18: 36,119,508 km (0.073 R)
• M19: 39,061,500 km (0.039 R)
• M20: 40,158,501 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.1

Radius: 5.5

Gravity: 18.25 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.26 AU - 6.9 AU

Year: 11864 Days

Day: 15.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 58.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,992,783 km

• M1: 75,846 km (0.093 R)
• M2: 305,180 km (0.083 R)
• M3: 492,177 km (0.116 R)
• M4: 699,968 km (0.114 R)
• M5: 1,018,612 km (0.105 R)
• M6: 1,416,393 km (0.105 R)
• M7: 2,456,397 km (0.103 R)
• M8: 3,121,958 km (0.076 R)
• M9: 4,648,155 km (0.11 R)
• M10: 5,624,282 km (0.063 R)
• M11: 6,346,540 km (0.096 R)
• M12: 7,292,597 km (0.108 R)
• M13: 10,584,648 km (0.045 R)
• M14: 11,069,195 km (0.072 R)
• M15: 12,140,316 km (0.082 R)
• M16: 12,315,495 km (0.092 R)
• M17: 12,492,469 km (0.09 R)
• M18: 13,094,451 km (0.095 R)
• M19: 15,083,804 km (0.06 R)
• M20: 16,044,820 km (0.096 R)
• M21: 20,053,894 km (0.068 R)
• M22: 20,628,798 km (0.106 R)
• M23: 23,127,980 km (0.084 R)
• M24: 25,343,226 km (0.079 R)
• M25: 26,896,201 km (0.044 R)
• M26: 27,394,212 km (0.041 R)
• M27: 31,053,975 km (0.118 R)
• M28: 33,859,084 km (0.117 R)
• M29: 34,791,079 km (0.091 R)
• M30: 36,463,284 km (0.105 R)
• M31: 37,319,134 km (0.048 R)
• M32: 37,689,987 km (0.045 R)
• M33: 38,188,297 km (0.117 R)
• M34: 38,817,356 km (0.051 R)
• M35: 41,534,802 km (0.105 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: 481 - 20,351 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit