🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.41 AU - 0.61 AU

Year: 135 Days

Day: 21.3 Hours

Environment

Temp: 228 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.54 AU - 0.58 AU

Year: 155 Days

Day: 24.3 Hours

Environment

Temp: 232 °C

Axial Tilt: 32 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.75 AU - 0.95 AU

Year: 291 Days

Day: 17.5 Hours

Environment

Temp: 97 °C

Axial Tilt: 44.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.38 AU - 5.1 AU

Year: 3238 Days

Day: 29.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.9

Radius: 14.1

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.42 AU - 5.78 AU

Year: 4271 Days

Day: 10.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,231,283 km

• M1: 175,777 km (0.095 R)
• M2: 681,119 km (0.102 R)
• M3: 1,202,168 km (0.113 R)
• M4: 1,693,448 km (0.095 R)
• M5: 2,208,364 km (0.096 R)
• M6: 2,698,446 km (0.07 R)
• M7: 3,882,514 km (0.057 R)
• M8: 4,354,345 km (0.076 R)
• M9: 4,937,179 km (0.09 R)
• M10: 6,006,355 km (0.055 R)
• M11: 6,913,067 km (0.118 R)
• M12: 7,480,492 km (0.118 R)
• M13: 9,147,012 km (0.088 R)
• M14: 9,638,292 km (0.11 R)
• M15: 13,443,164 km (0.073 R)
• M16: 14,229,151 km (0.092 R)
• M17: 14,735,839 km (0.049 R)
• M18: 15,465,577 km (0.038 R)
• M19: 16,549,564 km (0.092 R)
• M20: 17,110,256 km (0.037 R)
• M21: 17,858,096 km (0.093 R)
• M22: 21,529,677 km (0.113 R)
• M23: 22,606,183 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.4

Radius: 12.5

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.31 AU - 6.03 AU

Year: 4360 Days

Day: 9.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,231,283 km

• M1: 155,432 km (0.102 R)
• M2: 571,314 km (0.093 R)
• M3: 1,509,742 km (0.119 R)
• M4: 1,899,594 km (0.1 R)
• M5: 2,464,475 km (0.117 R)
• M6: 2,960,093 km (0.103 R)
• M7: 3,935,621 km (0.07 R)
• M8: 5,270,483 km (0.115 R)
• M9: 6,275,780 km (0.05 R)
• M10: 6,855,921 km (0.114 R)
• M11: 7,673,623 km (0.067 R)
• M12: 8,482,199 km (0.1 R)
• M13: 9,740,617 km (0.097 R)
• M14: 10,646,432 km (0.051 R)
• M15: 11,697,656 km (0.056 R)
• M16: 12,295,449 km (0.096 R)
• M17: 15,430,871 km (0.105 R)
• M18: 19,001,622 km (0.05 R)
• M19: 19,443,834 km (0.086 R)
• M20: 21,827,526 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.6

Radius: 9.2

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.51 AU - 7.21 AU

Year: 5261 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,231,283 km

• M1: 114,442 km (0.061 R)
• M2: 429,346 km (0.096 R)
• M3: 1,020,257 km (0.043 R)
• M4: 1,414,897 km (0.078 R)
• M5: 1,991,746 km (0.069 R)
• M6: 3,846,311 km (0.091 R)
• M7: 6,798,326 km (0.117 R)
• M8: 7,917,767 km (0.119 R)
• M9: 10,218,283 km (0.083 R)
• M10: 10,604,694 km (0.094 R)
• M11: 11,590,394 km (0.112 R)
• M12: 11,916,368 km (0.096 R)
• M13: 12,783,138 km (0.115 R)
• M14: 13,131,402 km (0.06 R)
• M15: 14,373,513 km (0.06 R)
• M16: 16,091,794 km (0.081 R)
• M17: 16,970,532 km (0.07 R)
• M18: 17,819,350 km (0.083 R)
• M19: 18,129,168 km (0.116 R)
• M20: 19,865,101 km (0.081 R)
• M21: 22,564,445 km (0.092 R)
• M22: 23,220,432 km (0.087 R)
• M23: 23,739,237 km (0.05 R)
• M24: 24,190,275 km (0.097 R)
• M25: 24,646,848 km (0.078 R)
• M26: 25,420,717 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.4

Radius: 8.7

Gravity: 13.15 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.37 AU - 13.51 AU

Year: 13419 Days

Day: 8.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,231,283 km

• M1: 110,852 km (0.112 R)
• M2: 546,331 km (0.098 R)
• M3: 1,214,585 km (0.082 R)
• M4: 1,509,742 km (0.075 R)
• M5: 1,801,158 km (0.089 R)
• M6: 2,072,678 km (0.075 R)
• M7: 3,108,644 km (0.031 R)
• M8: 4,328,614 km (0.107 R)
• M9: 5,424,718 km (0.12 R)
• M10: 7,355,578 km (0.115 R)
• M11: 8,753,271 km (0.061 R)
• M12: 10,320,009 km (0.07 R)
• M13: 15,522,275 km (0.106 R)
• M14: 20,479,500 km (0.091 R)
• M15: 24,415,420 km (0.065 R)
• M16: 24,721,796 km (0.103 R)
• M17: 37,950,736 km (0.105 R)
• M18: 38,362,130 km (0.046 R)
• M19: 45,817,789 km (0.044 R)
• M20: 56,647,179 km (0.038 R)
• M21: 58,269,418 km (0.102 R)
• M22: 63,706,852 km (0.107 R)
• M23: 64,482,517 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.8

Radius: 4

Gravity: 36.68 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 12.47 AU - 12.51 AU

Year: 16370 Days

Day: 21.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,231,283 km

• M1: 49,816 km (0.066 R)
• M2: 223,050 km (0.113 R)
• M3: 1,147,416 km (0.112 R)
• M4: 1,378,096 km (0.103 R)
• M5: 1,721,722 km (0.093 R)
• M6: 2,081,505 km (0.113 R)
• M7: 3,489,370 km (0.05 R)
• M8: 3,943,549 km (0.112 R)
• M9: 5,395,247 km (0.063 R)
• M10: 6,119,750 km (0.096 R)
• M11: 6,693,607 km (0.096 R)
• M12: 7,437,557 km (0.052 R)
• M13: 9,297,208 km (0.074 R)
• M14: 10,221,275 km (0.091 R)
• M15: 11,998,647 km (0.071 R)
• M16: 12,633,989 km (0.043 R)
• M17: 12,894,439 km (0.099 R)
• M18: 13,224,901 km (0.115 R)
• M19: 14,962,480 km (0.106 R)
• M20: 16,303,774 km (0.115 R)
• M21: 18,798,319 km (0.094 R)
• M22: 19,223,027 km (0.086 R)
• M23: 21,168,547 km (0.071 R)
• M24: 23,241,226 km (0.105 R)
• M25: 24,426,939 km (0.104 R)
• M26: 25,756,415 km (0.096 R)
• M27: 26,598,053 km (0.098 R)
• M28: 32,277,536 km (0.096 R)
• M29: 37,230,871 km (0.097 R)
• M30: 38,441,716 km (0.032 R)
• M31: 39,401,536 km (0.098 R)
• M32: 41,083,764 km (0.113 R)
• M33: 41,798,543 km (0.062 R)
• M34: 46,725,997 km (0.099 R)
• M35: 47,976,187 km (0.114 R)
• M36: 55,079,842 km (0.102 R)
• M37: 58,971,331 km (0.062 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 19,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit