🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.4

Radius: 11.8

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.53 AU - 0.53 AU

Year: 257 Days

Day: 6.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 63,242,310 km

• M1: 171,589 km (0.104 R)
• M2: 545,583 km (0.087 R)
• M3: 930,050 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.9

Radius: 11.1

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.52 AU - 0.74 AU

Year: 333 Days

Day: 5.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,242,310 km

• M1: 138,079 km (0.097 R)
• M2: 541,395 km (0.07 R)
• M3: 960,568 km (0.071 R)
• M4: 1,374,505 km (0.096 R)
• M5: 1,736,083 km (0.109 R)
• M6: 2,430,367 km (0.115 R)
• M7: 2,804,810 km (0.049 R)
• M8: 3,217,850 km (0.095 R)
• M9: 3,615,332 km (0.088 R)
• M10: 4,021,640 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378

Radius: 10.9

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.73 AU - 1.15 AU

Year: 608 Days

Day: 7.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,242,310 km

• M1: 136,433 km (0.08 R)
• M2: 527,332 km (0.107 R)
• M3: 914,492 km (0.07 R)
• M4: 1,325,138 km (0.084 R)
• M5: 1,729,950 km (0.118 R)
• M6: 2,147,477 km (0.037 R)
• M7: 2,632,175 km (0.101 R)
• M8: 2,976,998 km (0.096 R)
• M9: 3,340,221 km (0.034 R)
• M10: 4,598,339 km (0.108 R)
• M11: 5,023,646 km (0.103 R)
• M12: 5,592,118 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.3

Radius: 8.3

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.54 AU - 1.66 AU

Year: 1350 Days

Day: 5.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,242,310 km

• M1: 103,223 km (0.1 R)
• M2: 482,902 km (0.067 R)
• M3: 820,096 km (0.056 R)
• M4: 1,133,503 km (0.116 R)
• M5: 1,612,366 km (0.048 R)
• M6: 1,910,514 km (0.074 R)
• M7: 2,253,991 km (0.096 R)
• M8: 2,753,498 km (0.108 R)
• M9: 4,176,473 km (0.034 R)
• M10: 4,901,873 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.9

Radius: 8.5

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.71 AU - 3.11 AU

Year: 3310 Days

Day: 6.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,242,310 km

• M1: 105,766 km (0.088 R)
• M2: 427,102 km (0.103 R)
• M3: 1,207,404 km (0.12 R)
• M4: 2,102,748 km (0.066 R)
• M5: 2,483,923 km (0.111 R)
• M6: 2,894,719 km (0.102 R)
• M7: 5,666,618 km (0.081 R)
• M8: 6,003,213 km (0.095 R)
• M9: 7,123,851 km (0.053 R)
• M10: 9,233,181 km (0.077 R)
• M11: 9,591,019 km (0.081 R)
• M12: 9,884,081 km (0.086 R)
• M13: 11,358,218 km (0.064 R)
• M14: 12,190,282 km (0.08 R)
• M15: 13,789,782 km (0.101 R)
• M16: 14,930,915 km (0.12 R)
• M17: 17,617,244 km (0.071 R)
• M18: 19,131,772 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.2

Radius: 14.7

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.33 AU - 3.45 AU

Year: 4162 Days

Day: 8.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,242,310 km

• M1: 208,240 km (0.118 R)
• M2: 675,883 km (0.098 R)
• M3: 1,725,013 km (0.115 R)
• M4: 2,369,181 km (0.113 R)
• M5: 3,080,220 km (0.034 R)
• M6: 5,400,932 km (0.059 R)
• M7: 6,396,506 km (0.115 R)
• M8: 7,278,385 km (0.102 R)
• M9: 8,097,733 km (0.077 R)
• M10: 8,977,667 km (0.119 R)
• M11: 10,207,811 km (0.036 R)
• M12: 11,323,960 km (0.076 R)
• M13: 12,711,181 km (0.099 R)
• M14: 13,697,331 km (0.057 R)
• M15: 17,793,919 km (0.098 R)
• M16: 22,503,110 km (0.082 R)
• M17: 26,146,117 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.3

Radius: 12.1

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.74 AU - 4.9 AU

Year: 7057 Days

Day: 8.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,242,310 km

• M1: 150,645 km (0.049 R)
• M2: 776,114 km (0.091 R)
• M3: 1,405,023 km (0.085 R)
• M4: 1,828,834 km (0.092 R)
• M5: 2,270,297 km (0.107 R)
• M6: 2,862,256 km (0.096 R)
• M7: 3,440,003 km (0.113 R)
• M8: 4,357,337 km (0.074 R)
• M9: 5,307,284 km (0.117 R)
• M10: 6,928,925 km (0.109 R)
• M11: 7,773,704 km (0.102 R)
• M12: 8,514,812 km (0.069 R)
• M13: 11,124,995 km (0.094 R)
• M14: 11,589,347 km (0.082 R)
• M15: 12,337,486 km (0.116 R)
• M16: 13,403,969 km (0.069 R)
• M17: 16,503,787 km (0.118 R)
• M18: 17,797,808 km (0.086 R)
• M19: 18,220,273 km (0.028 R)
• M20: 20,433,573 km (0.102 R)
• M21: 20,819,087 km (0.111 R)
• M22: 25,923,665 km (0.074 R)
• M23: 29,297,546 km (0.114 R)
• M24: 35,332,175 km (0.07 R)
• M25: 35,776,630 km (0.063 R)
• M26: 38,287,780 km (0.1 R)
• M27: 39,945,623 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.3

Radius: 5.5

Gravity: 12.18 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.38 AU - 7.68 AU

Year: 12430 Days

Day: 22.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,242,310 km

• M1: 69,413 km (0.12 R)
• M2: 249,230 km (0.096 R)
• M3: 630,256 km (0.106 R)
• M4: 1,295,368 km (0.077 R)
• M5: 1,515,127 km (0.051 R)
• M6: 1,759,869 km (0.086 R)
• M7: 2,403,140 km (0.082 R)
• M8: 3,979,752 km (0.046 R)
• M9: 4,476,267 km (0.108 R)
• M10: 6,001,418 km (0.107 R)
• M11: 6,285,504 km (0.046 R)
• M12: 6,467,714 km (0.102 R)
• M13: 7,192,217 km (0.093 R)
• M14: 7,843,117 km (0.04 R)
• M15: 8,621,475 km (0.104 R)
• M16: 9,214,780 km (0.116 R)
• M17: 10,635,960 km (0.069 R)
• M18: 11,807,162 km (0.09 R)
• M19: 12,084,815 km (0.038 R)
• M20: 14,402,834 km (0.091 R)
• M21: 15,900,309 km (0.116 R)
• M22: 16,721,452 km (0.069 R)
• M23: 17,213,180 km (0.119 R)
• M24: 18,596,811 km (0.113 R)
• M25: 22,166,216 km (0.118 R)
• M26: 26,449,652 km (0.04 R)
• M27: 26,925,223 km (0.119 R)
• M28: 27,698,046 km (0.102 R)
• M29: 30,105,225 km (0.103 R)
• M30: 31,465,519 km (0.074 R)
• M31: 32,214,705 km (0.105 R)
• M32: 33,085,514 km (0.077 R)
• M33: 34,308,177 km (0.065 R)
• M34: 34,533,771 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.4

Radius: 7.7

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.35 AU - 9.27 AU

Year: 17438 Days

Day: 21.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 81.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,242,310 km

• M1: 95,743 km (0.041 R)
• M2: 749,934 km (0.117 R)
• M3: 1,192,893 km (0.066 R)
• M4: 3,671,281 km (0.109 R)
• M5: 4,017,152 km (0.115 R)
• M6: 4,511,872 km (0.066 R)
• M7: 4,943,312 km (0.111 R)
• M8: 7,662,104 km (0.075 R)
• M9: 9,233,330 km (0.114 R)
• M10: 10,039,064 km (0.054 R)
• M11: 14,009,990 km (0.119 R)
• M12: 16,187,986 km (0.094 R)
• M13: 28,477,301 km (0.088 R)
• M14: 34,912,702 km (0.113 R)
• M15: 43,569,931 km (0.07 R)
• M16: 47,212,041 km (0.082 R)
• M17: 52,544,307 km (0.081 R)
• M18: 60,996,138 km (0.038 R)
• M19: 62,864,167 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 18,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit