🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.87 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.44 AU - 4.02 AU

Year: 2714 Days

Day: 15 Hours

Environment

Temp: -134 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,261,954 km

• M1: 69,563 km (0.116 R)

Asteroid Belt

Center: 7.09 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272

Radius: 10.4

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 8.05 AU - 12.85 AU

Year: 12726 Days

Day: 6.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 97,261,954 km

• M1: 131,945 km (0.078 R)
• M2: 1,114,654 km (0.106 R)
• M3: 1,493,585 km (0.055 R)
• M4: 2,005,958 km (0.038 R)
• M5: 2,632,773 km (0.078 R)
• M6: 3,862,767 km (0.041 R)
• M7: 4,690,641 km (0.071 R)
• M8: 6,516,184 km (0.105 R)
• M9: 6,916,807 km (0.092 R)
• M10: 8,093,694 km (0.075 R)
• M11: 9,262,801 km (0.056 R)
• M12: 9,864,184 km (0.12 R)
• M13: 10,540,965 km (0.102 R)
• M14: 11,248,264 km (0.069 R)
• M15: 13,155,188 km (0.099 R)
• M16: 14,397,897 km (0.06 R)
• M17: 15,781,827 km (0.073 R)
• M18: 16,910,543 km (0.112 R)
• M19: 21,246,638 km (0.079 R)
• M20: 21,967,251 km (0.074 R)
• M21: 22,870,223 km (0.077 R)
• M22: 23,288,798 km (0.084 R)
• M23: 23,969,169 km (0.111 R)
• M24: 25,908,257 km (0.05 R)
• M25: 28,912,481 km (0.081 R)
• M26: 30,196,629 km (0.044 R)
• M27: 34,168,303 km (0.114 R)
• M28: 37,077,982 km (0.07 R)
• M29: 39,425,621 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.6

Radius: 9.8

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 9.3 AU - 13.12 AU

Year: 14140 Days

Day: 15 Hours

Environment

Temp: -190 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 97,261,954 km

• M1: 156,779 km (0.119 R)
• M2: 494,421 km (0.106 R)
• M3: 948,600 km (0.113 R)
• M4: 1,715,289 km (0.104 R)
• M5: 2,147,777 km (0.106 R)
• M6: 2,594,476 km (0.078 R)
• M7: 3,038,183 km (0.069 R)
• M8: 4,943,761 km (0.062 R)
• M9: 5,372,508 km (0.069 R)
• M10: 6,773,044 km (0.093 R)
• M11: 7,186,981 km (0.096 R)
• M12: 14,406,574 km (0.065 R)
• M13: 15,029,350 km (0.098 R)
• M14: 15,931,276 km (0.086 R)
• M15: 19,149,724 km (0.045 R)
• M16: 24,401,357 km (0.113 R)
• M17: 27,878,012 km (0.067 R)
• M18: 38,577,701 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.7

Radius: 6.9

Gravity: 18.86 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 12.63 AU - 12.65 AU

Year: 16930 Days

Day: 22.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 97,261,954 km

• M1: 86,019 km (0.108 R)
• M2: 347,217 km (0.118 R)
• M3: 604,375 km (0.096 R)
• M4: 944,860 km (0.112 R)
• M5: 1,234,781 km (0.096 R)
• M6: 1,550,732 km (0.111 R)
• M7: 1,790,537 km (0.066 R)
• M8: 2,055,325 km (0.108 R)
• M9: 2,281,517 km (0.062 R)
• M10: 2,524,464 km (0.069 R)
• M11: 2,833,982 km (0.093 R)
• M12: 6,425,528 km (0.088 R)
• M13: 7,096,325 km (0.082 R)
• M14: 7,714,463 km (0.118 R)
• M15: 9,388,762 km (0.073 R)
• M16: 11,482,385 km (0.06 R)
• M17: 12,740,203 km (0.081 R)
• M18: 14,160,785 km (0.094 R)
• M19: 15,921,402 km (0.082 R)
• M20: 17,482,007 km (0.052 R)
• M21: 19,595,526 km (0.065 R)
• M22: 21,579,792 km (0.05 R)
• M23: 22,469,750 km (0.057 R)
• M24: 23,281,169 km (0.066 R)
• M25: 27,403,936 km (0.094 R)
• M26: 30,366,573 km (0.113 R)
• M27: 34,461,365 km (0.085 R)
• M28: 37,339,778 km (0.091 R)
• M29: 43,726,111 km (0.05 R)
• M30: 46,439,517 km (0.104 R)
• M31: 47,754,483 km (0.077 R)
• M32: 50,286,576 km (0.076 R)
• M33: 53,620,514 km (0.097 R)
• M34: 59,371,505 km (0.119 R)
• M35: 60,724,768 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.8

Radius: 7.3

Gravity: 12.25 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 11.74 AU - 14.3 AU

Year: 17699 Days

Day: 24 Hours

Environment

Temp: -187 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 97,261,954 km

• M1: 91,554 km (0.056 R)
• M2: 738,265 km (0.096 R)
• M3: 1,104,481 km (0.12 R)
• M4: 2,970,715 km (0.032 R)
• M5: 6,887,785 km (0.091 R)
• M6: 8,150,391 km (0.119 R)
• M7: 12,788,374 km (0.118 R)
• M8: 16,123,659 km (0.035 R)
• M9: 21,477,916 km (0.114 R)
• M10: 30,467,551 km (0.084 R)
• M11: 31,927,327 km (0.109 R)
• M12: 39,076,310 km (0.078 R)
• M13: 41,089,898 km (0.082 R)
• M14: 46,108,158 km (0.09 R)
• M15: 54,997,563 km (0.078 R)
• M16: 62,803,879 km (0.081 R)
• M17: 66,364,009 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.7

Radius: 3.3

Gravity: 55.44 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 11.63 AU - 16.91 AU

Year: 20308 Days

Day: 17.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 119.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 97,261,954 km

• M1: 41,139 km (0.059 R)
• M2: 168,298 km (0.097 R)
• M3: 390,301 km (0.108 R)
• M4: 713,432 km (0.106 R)
• M5: 1,151,006 km (0.092 R)
• M6: 1,818,961 km (0.058 R)
• M7: 2,151,517 km (0.118 R)
• M8: 2,256,684 km (0.041 R)
• M9: 2,640,253 km (0.108 R)
• M10: 3,364,307 km (0.041 R)
• M11: 4,019,246 km (0.094 R)
• M12: 4,826,177 km (0.11 R)
• M13: 6,145,780 km (0.111 R)
• M14: 7,542,725 km (0.081 R)
• M15: 7,688,283 km (0.096 R)
• M16: 8,706,596 km (0.12 R)
• M17: 8,974,675 km (0.047 R)
• M18: 9,303,492 km (0.114 R)
• M19: 9,470,892 km (0.092 R)
• M20: 10,883,095 km (0.075 R)
• M21: 20,550,259 km (0.102 R)
• M22: 21,216,868 km (0.068 R)
• M23: 22,095,157 km (0.069 R)
• M24: 25,522,294 km (0.042 R)
• M25: 25,740,707 km (0.077 R)
• M26: 26,964,268 km (0.12 R)
• M27: 30,130,956 km (0.084 R)
• M28: 30,990,695 km (0.07 R)
• M29: 41,550,809 km (0.064 R)
• M30: 43,076,707 km (0.109 R)
• M31: 48,711,311 km (0.12 R)
• M32: 53,201,341 km (0.109 R)
• M33: 57,959,301 km (0.062 R)
• M34: 65,411,220 km (0.103 R)
• M35: 67,890,805 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 694.9

Radius: 6

Gravity: 19.3 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 14.52 AU - 21.42 AU

Year: 28698 Days

Day: 23.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 97,261,954 km

• M1: 87,515 km (0.092 R)
• M2: 389,702 km (0.089 R)
• M3: 586,573 km (0.041 R)
• M4: 961,914 km (0.096 R)
• M5: 3,928,290 km (0.099 R)
• M6: 4,997,466 km (0.107 R)
• M7: 5,751,440 km (0.084 R)
• M8: 6,675,356 km (0.104 R)
• M9: 6,970,812 km (0.081 R)
• M10: 16,244,234 km (0.107 R)
• M11: 21,383,520 km (0.055 R)
• M12: 22,242,959 km (0.06 R)
• M13: 26,396,843 km (0.114 R)
• M14: 29,174,278 km (0.066 R)
• M15: 33,840,235 km (0.077 R)
• M16: 45,664,900 km (0.103 R)
• M17: 46,550,818 km (0.116 R)
• M18: 50,208,636 km (0.109 R)
• M19: 54,448,688 km (0.057 R)
• M20: 58,297,393 km (0.103 R)
• M21: 62,975,617 km (0.118 R)
• M22: 69,283,860 km (0.085 R)
• M23: 71,160,566 km (0.091 R)
• M24: 74,038,829 km (0.045 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 13,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit