🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.53 AU - 0.71 AU

Year: 315 Days

Day: 25.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.2

Radius: 11.9

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.12 AU - 1.4 AU

Year: 913 Days

Day: 9.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,721,252 km

• M1: 158,125 km (0.117 R)
• M2: 531,970 km (0.066 R)
• M3: 1,140,534 km (0.096 R)
• M4: 1,974,393 km (0.114 R)
• M5: 2,383,094 km (0.069 R)
• M6: 2,951,566 km (0.06 R)
• M7: 3,505,228 km (0.088 R)
• M8: 4,588,167 km (0.079 R)
• M9: 5,217,226 km (0.101 R)
• M10: 6,557,174 km (0.098 R)
• M11: 9,092,559 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.1

Radius: 9.6

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.45 AU - 1.63 AU

Year: 1234 Days

Day: 10.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,721,252 km

• M1: 119,529 km (0.066 R)
• M2: 531,372 km (0.119 R)
• M3: 842,386 km (0.079 R)
• M4: 1,280,408 km (0.105 R)
• M5: 1,991,148 km (0.094 R)
• M6: 2,435,453 km (0.108 R)
• M7: 3,277,989 km (0.036 R)
• M8: 3,652,282 km (0.044 R)
• M9: 4,020,443 km (0.087 R)
• M10: 5,152,151 km (0.103 R)
• M11: 5,465,857 km (0.072 R)
• M12: 5,792,130 km (0.094 R)
• M13: 6,317,967 km (0.094 R)
• M14: 7,102,159 km (0.042 R)
• M15: 7,517,891 km (0.032 R)
• M16: 8,228,032 km (0.077 R)
• M17: 9,072,213 km (0.073 R)
• M18: 9,813,770 km (0.111 R)
• M19: 10,231,896 km (0.11 R)
• M20: 10,729,159 km (0.09 R)
• M21: 12,281,237 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.9

Radius: 8.1

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.5 AU - 1.64 AU

Year: 1270 Days

Day: 8.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,721,252 km

• M1: 100,679 km (0.045 R)
• M2: 375,640 km (0.118 R)
• M3: 718,070 km (0.081 R)
• M4: 1,078,750 km (0.092 R)
• M5: 1,428,360 km (0.081 R)
• M6: 1,763,310 km (0.082 R)
• M7: 2,195,648 km (0.117 R)
• M8: 2,843,856 km (0.113 R)
• M9: 3,378,668 km (0.073 R)
• M10: 3,727,231 km (0.065 R)
• M11: 4,295,254 km (0.102 R)
• M12: 4,666,855 km (0.099 R)
• M13: 5,285,143 km (0.045 R)
• M14: 5,844,639 km (0.097 R)
• M15: 6,757,485 km (0.108 R)
• M16: 7,132,826 km (0.052 R)
• M17: 7,708,329 km (0.099 R)
• M18: 8,118,228 km (0.094 R)
• M19: 9,343,733 km (0.105 R)
• M20: 10,356,960 km (0.059 R)
• M21: 11,336,826 km (0.051 R)
• M22: 11,759,889 km (0.094 R)
• M23: 12,266,726 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.6

Radius: 13.8

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.83 AU - 2.77 AU

Year: 2252 Days

Day: 11.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,721,252 km

• M1: 171,589 km (0.104 R)
• M2: 727,046 km (0.099 R)
• M3: 1,641,388 km (0.093 R)
• M4: 2,226,166 km (0.115 R)
• M5: 2,853,579 km (0.117 R)
• M6: 3,441,798 km (0.114 R)
• M7: 4,092,998 km (0.115 R)
• M8: 4,634,392 km (0.071 R)
• M9: 6,041,211 km (0.045 R)
• M10: 6,528,900 km (0.095 R)
• M11: 7,530,906 km (0.108 R)
• M12: 8,152,186 km (0.104 R)
• M13: 9,652,204 km (0.047 R)
• M14: 11,294,789 km (0.05 R)
• M15: 11,929,533 km (0.116 R)
• M16: 12,365,910 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.3

Radius: 13.1

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.76 AU - 3.9 AU

Year: 3924 Days

Day: 12 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,721,252 km

• M1: 162,912 km (0.101 R)
• M2: 582,235 km (0.118 R)
• M3: 1,193,193 km (0.096 R)
• M4: 2,048,593 km (0.117 R)
• M5: 2,492,450 km (0.112 R)
• M6: 2,947,078 km (0.111 R)
• M7: 3,358,472 km (0.099 R)
• M8: 4,048,567 km (0.094 R)
• M9: 6,267,702 km (0.084 R)
• M10: 8,816,999 km (0.115 R)
• M11: 10,216,637 km (0.104 R)
• M12: 10,685,926 km (0.088 R)
• M13: 11,258,885 km (0.101 R)
• M14: 11,945,540 km (0.053 R)
• M15: 15,470,065 km (0.086 R)
• M16: 17,560,097 km (0.071 R)
• M17: 18,546,845 km (0.108 R)
• M18: 19,118,009 km (0.081 R)
• M19: 20,631,192 km (0.115 R)
• M20: 26,677,788 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.3

Radius: 14.3

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.5 AU - 4.16 AU

Year: 3924 Days

Day: 6.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,721,252 km

• M1: 179,218 km (0.113 R)
• M2: 1,152,801 km (0.099 R)
• M3: 2,408,227 km (0.114 R)
• M4: 5,514,477 km (0.108 R)
• M5: 7,027,958 km (0.09 R)
• M6: 8,628,057 km (0.062 R)
• M7: 9,971,147 km (0.105 R)
• M8: 12,058,486 km (0.111 R)
• M9: 12,575,945 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.4

Radius: 8.4

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.31 AU - 4.65 AU

Year: 6123 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,721,252 km

• M1: 104,868 km (0.064 R)
• M2: 667,805 km (0.117 R)
• M3: 1,005,148 km (0.055 R)
• M4: 1,408,614 km (0.085 R)
• M5: 3,651,086 km (0.117 R)
• M6: 4,223,896 km (0.052 R)
• M7: 5,022,599 km (0.109 R)
• M8: 5,793,178 km (0.119 R)
• M9: 6,846,945 km (0.091 R)
• M10: 8,824,330 km (0.11 R)
• M11: 14,608,232 km (0.045 R)
• M12: 17,248,634 km (0.101 R)
• M13: 18,105,681 km (0.095 R)
• M14: 20,700,157 km (0.091 R)
• M15: 20,994,864 km (0.118 R)
• M16: 26,787,892 km (0.04 R)
• M17: 27,936,355 km (0.026 R)
• M18: 28,659,212 km (0.108 R)
• M19: 29,301,885 km (0.106 R)
• M20: 33,970,535 km (0.081 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.1

Radius: 12.3

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.65 AU - 4.85 AU

Year: 6684 Days

Day: 5.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,721,252 km

• M1: 154,535 km (0.038 R)
• M2: 723,007 km (0.102 R)
• M3: 1,106,276 km (0.111 R)
• M4: 1,939,536 km (0.112 R)
• M5: 2,389,676 km (0.104 R)
• M6: 3,953,722 km (0.082 R)
• M7: 4,910,999 km (0.111 R)
• M8: 6,770,351 km (0.031 R)
• M9: 7,207,326 km (0.078 R)
• M10: 7,624,405 km (0.099 R)
• M11: 8,507,182 km (0.032 R)
• M12: 9,501,858 km (0.118 R)
• M13: 10,717,790 km (0.063 R)
• M14: 13,287,432 km (0.073 R)
• M15: 13,858,448 km (0.106 R)
• M16: 16,243,337 km (0.116 R)
• M17: 18,465,164 km (0.107 R)
• M18: 19,906,390 km (0.095 R)
• M19: 21,655,040 km (0.105 R)
• M20: 24,171,126 km (0.108 R)
• M21: 24,936,768 km (0.105 R)
• M22: 25,456,022 km (0.072 R)
• M23: 25,894,344 km (0.105 R)
• M24: 28,536,392 km (0.11 R)
• M25: 33,926,404 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.1

Radius: 6

Gravity: 13.7 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.29 AU - 9.25 AU

Year: 13984 Days

Day: 23.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,721,252 km

• M1: 74,799 km (0.113 R)
• M2: 315,652 km (0.065 R)
• M3: 607,816 km (0.085 R)
• M4: 834,906 km (0.048 R)
• M5: 1,290,581 km (0.062 R)
• M6: 1,967,661 km (0.093 R)
• M7: 2,791,945 km (0.086 R)
• M8: 3,482,339 km (0.117 R)
• M9: 4,106,312 km (0.08 R)
• M10: 5,860,347 km (0.09 R)
• M11: 6,386,034 km (0.099 R)
• M12: 8,806,677 km (0.12 R)
• M13: 9,000,107 km (0.111 R)
• M14: 9,699,178 km (0.11 R)
• M15: 10,925,282 km (0.054 R)
• M16: 16,573,499 km (0.118 R)
• M17: 18,952,704 km (0.079 R)
• M18: 23,346,393 km (0.047 R)
• M19: 25,434,929 km (0.055 R)
• M20: 28,059,923 km (0.088 R)
• M21: 30,307,781 km (0.054 R)
• M22: 39,182,973 km (0.084 R)
• M23: 41,036,641 km (0.03 R)
• M24: 48,133,564 km (0.081 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 14,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit