🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.57 AU - 0.65 AU

Year: 177 Days

Day: 15.1 Hours

Environment

Temp: 129 °C

Axial Tilt: 21.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.68 AU - 1.08 AU

Year: 306 Days

Day: 23.6 Hours

Environment

Temp: 141 °C

Axial Tilt: 27.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.8 AU - 1.98 AU

Year: 964 Days

Day: 23.6 Hours

Environment

Temp: -72 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.95 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.6

Radius: 14.6

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.15 AU - 6.87 AU

Year: 5464 Days

Day: 5.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 96,011,045 km

• M1: 181,612 km (0.082 R)
• M2: 817,253 km (0.116 R)
• M3: 1,312,273 km (0.12 R)
• M4: 2,546,455 km (0.096 R)
• M5: 3,064,812 km (0.111 R)
• M6: 5,505,202 km (0.072 R)
• M7: 6,322,156 km (0.099 R)
• M8: 6,806,703 km (0.097 R)
• M9: 7,816,788 km (0.105 R)
• M10: 8,702,407 km (0.039 R)
• M11: 10,175,647 km (0.09 R)
• M12: 11,540,578 km (0.097 R)
• M13: 12,453,873 km (0.064 R)
• M14: 12,976,269 km (0.08 R)
• M15: 15,977,801 km (0.105 R)
• M16: 19,163,786 km (0.064 R)
• M17: 23,034,183 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654

Radius: 14.2

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 11.18 AU - 11.94 AU

Year: 14576 Days

Day: 10.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 96,011,045 km

• M1: 202,107 km (0.114 R)
• M2: 690,245 km (0.049 R)
• M3: 1,910,066 km (0.115 R)
• M4: 2,471,506 km (0.063 R)
• M5: 3,167,137 km (0.087 R)
• M6: 3,793,054 km (0.095 R)
• M7: 7,036,037 km (0.034 R)
• M8: 8,202,002 km (0.057 R)
• M9: 9,440,972 km (0.117 R)
• M10: 19,452,660 km (0.047 R)
• M11: 20,486,680 km (0.069 R)
• M12: 22,664,227 km (0.076 R)
• M13: 32,567,756 km (0.112 R)
• M14: 37,726,189 km (0.119 R)
• M15: 39,062,248 km (0.106 R)
• M16: 53,703,392 km (0.1 R)
• M17: 54,882,821 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.5

Radius: 3.1

Gravity: 47.19 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 12.29 AU - 14.11 AU

Year: 17785 Days

Day: 23.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 96,011,045 km

• M1: 60,438 km (0.069 R)
• M2: 253,718 km (0.087 R)
• M3: 1,166,265 km (0.11 R)
• M4: 1,743,414 km (0.077 R)
• M5: 2,921,796 km (0.115 R)
• M6: 3,481,741 km (0.099 R)
• M7: 5,623,234 km (0.046 R)
• M8: 10,179,537 km (0.06 R)
• M9: 11,328,748 km (0.088 R)
• M10: 12,434,575 km (0.098 R)
• M11: 13,813,119 km (0.08 R)
• M12: 14,433,951 km (0.09 R)
• M13: 16,791,912 km (0.026 R)
• M14: 17,419,026 km (0.089 R)
• M15: 26,205,358 km (0.067 R)
• M16: 28,788,016 km (0.072 R)
• M17: 29,459,112 km (0.116 R)
• M18: 32,009,307 km (0.1 R)
• M19: 36,623,504 km (0.096 R)
• M20: 38,076,099 km (0.107 R)
• M21: 43,389,516 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.6

Radius: 3

Gravity: 78.62 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 10.89 AU - 15.99 AU

Year: 18273 Days

Day: 20.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 96,011,045 km

• M1: 37,549 km (0.086 R)
• M2: 480,957 km (0.087 R)
• M3: 1,493,884 km (0.102 R)
• M4: 3,035,640 km (0.059 R)
• M5: 4,232,722 km (0.06 R)
• M6: 5,173,543 km (0.095 R)
• M7: 5,361,887 km (0.099 R)
• M8: 6,119,600 km (0.071 R)
• M9: 6,330,234 km (0.11 R)
• M10: 8,092,497 km (0.067 R)
• M11: 12,411,687 km (0.082 R)
• M12: 13,798,309 km (0.104 R)
• M13: 15,908,088 km (0.082 R)
• M14: 17,372,053 km (0.084 R)
• M15: 18,746,857 km (0.08 R)
• M16: 20,471,421 km (0.083 R)
• M17: 23,507,361 km (0.092 R)
• M18: 27,280,369 km (0.118 R)
• M19: 32,954,466 km (0.099 R)
• M20: 33,861,628 km (0.062 R)
• M21: 36,133,720 km (0.07 R)
• M22: 37,938,170 km (0.113 R)
• M23: 38,221,059 km (0.114 R)
• M24: 41,127,297 km (0.114 R)
• M25: 47,867,130 km (0.097 R)
• M26: 52,104,938 km (0.102 R)
• M27: 54,404,407 km (0.029 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500

Radius: 4

Gravity: 31.25 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 11.86 AU - 16.14 AU

Year: 19427 Days

Day: 19.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 96,011,045 km

• M1: 49,966 km (0.119 R)
• M2: 474,824 km (0.11 R)
• M3: 866,620 km (0.062 R)
• M4: 1,243,458 km (0.031 R)
• M5: 1,492,388 km (0.035 R)
• M6: 2,088,985 km (0.093 R)
• M7: 4,814,059 km (0.082 R)
• M8: 8,144,108 km (0.106 R)
• M9: 8,956,425 km (0.108 R)
• M10: 9,821,250 km (0.101 R)
• M11: 11,715,308 km (0.096 R)
• M12: 18,917,698 km (0.112 R)
• M13: 19,178,148 km (0.072 R)
• M14: 22,981,374 km (0.11 R)
• M15: 27,257,779 km (0.09 R)
• M16: 31,912,667 km (0.102 R)
• M17: 32,653,625 km (0.031 R)
• M18: 45,650,239 km (0.096 R)
• M19: 47,543,400 km (0.039 R)
• M20: 48,509,354 km (0.055 R)
• M21: 48,671,667 km (0.058 R)
• M22: 55,817,808 km (0.071 R)
• M23: 66,190,924 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832.2

Radius: 4.3

Gravity: 45.01 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 15.77 AU - 17.99 AU

Year: 25720 Days

Day: 20.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 96,011,045 km

• M1: 53,556 km (0.077 R)
• M2: 305,628 km (0.069 R)
• M3: 1,314,816 km (0.084 R)
• M4: 1,607,429 km (0.103 R)
• M5: 1,963,322 km (0.094 R)
• M6: 2,542,117 km (0.036 R)
• M7: 3,693,422 km (0.091 R)
• M8: 3,925,747 km (0.103 R)
• M9: 4,953,485 km (0.113 R)
• M10: 5,360,541 km (0.033 R)
• M11: 7,213,609 km (0.084 R)
• M12: 10,208,110 km (0.038 R)
• M13: 13,859,644 km (0.094 R)
• M14: 19,462,085 km (0.045 R)
• M15: 20,676,819 km (0.07 R)
• M16: 21,620,483 km (0.108 R)
• M17: 22,374,007 km (0.039 R)
• M18: 24,739,449 km (0.033 R)
• M19: 25,326,321 km (0.111 R)
• M20: 26,163,321 km (0.066 R)
• M21: 28,528,015 km (0.06 R)
• M22: 31,713,701 km (0.108 R)
• M23: 33,677,323 km (0.039 R)
• M24: 34,834,911 km (0.027 R)
• M25: 37,382,563 km (0.09 R)
• M26: 43,520,863 km (0.08 R)
• M27: 46,649,254 km (0.095 R)
• M28: 50,484,793 km (0.056 R)
• M29: 56,119,248 km (0.075 R)
• M30: 60,029,437 km (0.108 R)
• M31: 64,337,556 km (0.1 R)
• M32: 70,006,568 km (0.091 R)
• M33: 73,322,105 km (0.09 R)
• M34: 81,290,286 km (0.046 R)
• M35: 84,685,559 km (0.079 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: 455 - 12,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit