🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.84 AU - 0.86 AU

Year: 295 Days

Day: 43 Hours

Environment

Temp: 157 °C

Axial Tilt: 37.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.28 AU - 1.34 AU

Year: 565 Days

Day: 32.5 Hours

Environment

Temp: -36 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.59 AU - 1.91 AU

Year: 872 Days

Day: 32.6 Hours

Environment

Temp: -62 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.7

Radius: 14

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.35 AU - 6.93 AU

Year: 6446 Days

Day: 8.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,945,908 km

• M1: 174,132 km (0.104 R)
• M2: 735,722 km (0.098 R)
• M3: 1,258,268 km (0.052 R)
• M4: 1,730,548 km (0.082 R)
• M5: 2,259,825 km (0.063 R)
• M6: 2,822,912 km (0.063 R)
• M7: 3,521,983 km (0.103 R)
• M8: 4,186,796 km (0.058 R)
• M9: 6,109,577 km (0.065 R)
• M10: 7,142,999 km (0.112 R)
• M11: 8,058,837 km (0.088 R)
• M12: 11,766,770 km (0.066 R)
• M13: 12,216,461 km (0.069 R)
• M14: 15,219,190 km (0.049 R)
• M15: 16,116,777 km (0.092 R)
• M16: 17,626,220 km (0.066 R)
• M17: 18,751,196 km (0.099 R)
• M18: 20,852,298 km (0.063 R)
• M19: 21,512,174 km (0.066 R)
• M20: 24,453,268 km (0.117 R)
• M21: 25,187,345 km (0.087 R)
• M22: 26,188,902 km (0.061 R)
• M23: 27,828,645 km (0.084 R)
• M24: 30,555,814 km (0.071 R)
• M25: 31,887,684 km (0.119 R)
• M26: 32,567,905 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.1

Radius: 13.1

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.17 AU - 8.19 AU

Year: 8814 Days

Day: 11.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,945,908 km

• M1: 162,912 km (0.085 R)
• M2: 587,920 km (0.036 R)
• M3: 1,109,567 km (0.06 R)
• M4: 1,980,227 km (0.08 R)
• M5: 2,697,399 km (0.091 R)
• M6: 3,126,296 km (0.1 R)
• M7: 5,149,757 km (0.083 R)
• M8: 6,803,412 km (0.042 R)
• M9: 7,965,339 km (0.102 R)
• M10: 8,541,889 km (0.058 R)
• M11: 11,723,536 km (0.103 R)
• M12: 12,159,165 km (0.039 R)
• M13: 17,243,399 km (0.098 R)
• M14: 19,212,406 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188

Radius: 9.8

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.18 AU - 11.76 AU

Year: 10979 Days

Day: 10.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,945,908 km

• M1: 121,922 km (0.099 R)
• M2: 952,639 km (0.092 R)
• M3: 1,443,021 km (0.098 R)
• M4: 1,754,484 km (0.093 R)
• M5: 2,621,703 km (0.111 R)
• M6: 3,442,696 km (0.096 R)
• M7: 4,375,588 km (0.106 R)
• M8: 4,819,744 km (0.117 R)
• M9: 5,647,020 km (0.109 R)
• M10: 6,939,845 km (0.078 R)
• M11: 7,655,671 km (0.111 R)
• M12: 10,144,830 km (0.118 R)
• M13: 10,507,156 km (0.073 R)
• M14: 11,695,262 km (0.065 R)
• M15: 15,259,282 km (0.11 R)
• M16: 16,344,465 km (0.09 R)
• M17: 18,199,927 km (0.11 R)
• M18: 18,939,090 km (0.113 R)
• M19: 19,698,000 km (0.108 R)
• M20: 20,765,680 km (0.096 R)
• M21: 22,706,713 km (0.12 R)
• M22: 27,119,551 km (0.113 R)
• M23: 29,070,457 km (0.055 R)
• M24: 30,080,093 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.8

Radius: 10.6

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 8.03 AU - 10.99 AU

Year: 11048 Days

Day: 7.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 85.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,945,908 km

• M1: 131,796 km (0.088 R)
• M2: 634,445 km (0.107 R)
• M3: 1,203,365 km (0.109 R)
• M4: 2,027,500 km (0.119 R)
• M5: 2,620,506 km (0.053 R)
• M6: 5,142,876 km (0.06 R)
• M7: 6,282,662 km (0.084 R)
• M8: 7,742,887 km (0.059 R)
• M9: 9,055,907 km (0.106 R)
• M10: 11,955,862 km (0.042 R)
• M11: 12,669,444 km (0.042 R)
• M12: 14,181,729 km (0.119 R)
• M13: 15,616,821 km (0.099 R)
• M14: 16,603,568 km (0.076 R)
• M15: 18,125,278 km (0.092 R)
• M16: 19,437,850 km (0.114 R)
• M17: 22,994,988 km (0.111 R)
• M18: 23,669,824 km (0.103 R)
• M19: 24,271,207 km (0.047 R)
• M20: 25,414,883 km (0.098 R)
• M21: 26,778,767 km (0.112 R)
• M22: 28,382,905 km (0.058 R)
• M23: 29,257,604 km (0.073 R)
• M24: 29,850,610 km (0.058 R)
• M25: 33,794,458 km (0.113 R)
• M26: 36,913,574 km (0.093 R)
• M27: 39,856,314 km (0.08 R)
• M28: 41,322,971 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.7

Radius: 7.3

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 12.5 AU - 15.62 AU

Year: 19861 Days

Day: 23.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,945,908 km

• M1: 90,806 km (0.092 R)
• M2: 577,597 km (0.087 R)
• M3: 1,793,529 km (0.109 R)
• M4: 2,166,476 km (0.088 R)
• M5: 2,709,517 km (0.076 R)
• M6: 3,270,509 km (0.079 R)
• M7: 3,652,731 km (0.112 R)
• M8: 4,253,965 km (0.09 R)
• M9: 5,651,957 km (0.105 R)
• M10: 6,789,499 km (0.1 R)
• M11: 7,332,390 km (0.095 R)
• M12: 8,548,621 km (0.116 R)
• M13: 9,604,632 km (0.038 R)
• M14: 11,109,587 km (0.099 R)
• M15: 14,203,420 km (0.084 R)
• M16: 23,997,742 km (0.079 R)
• M17: 28,785,024 km (0.054 R)
• M18: 30,408,759 km (0.046 R)
• M19: 39,206,311 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.7

Radius: 4

Gravity: 27.61 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 14.04 AU - 16.88 AU

Year: 22900 Days

Day: 15.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,945,908 km

• M1: 130,599 km (0.075 R)
• M2: 591,061 km (0.079 R)
• M3: 764,296 km (0.06 R)
• M4: 1,056,161 km (0.088 R)
• M5: 1,544,897 km (0.073 R)
• M6: 2,275,533 km (0.092 R)
• M7: 4,057,393 km (0.058 R)
• M8: 11,881,512 km (0.103 R)
• M9: 13,364,475 km (0.066 R)
• M10: 15,424,588 km (0.049 R)
• M11: 16,610,749 km (0.087 R)
• M12: 17,350,959 km (0.118 R)
• M13: 26,996,881 km (0.055 R)
• M14: 28,713,965 km (0.092 R)
• M15: 32,745,029 km (0.113 R)
• M16: 38,116,939 km (0.107 R)
• M17: 52,812,237 km (0.067 R)
• M18: 60,916,403 km (0.11 R)
• M19: 63,857,796 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 18,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit