🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.65 AU - 0.67 AU

Year: 245 Days

Day: 13.5 Hours

Environment

Temp: -39 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.7 AU - 1.12 AU

Year: 396 Days

Day: 18.8 Hours

Environment

Temp: -75 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 94,501,897 km

• M1: 22,140 km (0.037 R)
• M2: 149,598 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.8 AU - 1.06 AU

Year: 409 Days

Day: 23.7 Hours

Environment

Temp: -74 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.82 AU - 2.56 AU

Year: 1480 Days

Day: 28.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,501,897 km

• M1: 1,655,749 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.7

Radius: 12.4

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.92 AU - 3.1 AU

Year: 1816 Days

Day: 6.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,501,897 km

• M1: 159,621 km (0.09 R)
• M2: 598,391 km (0.107 R)
• M3: 1,273,227 km (0.074 R)
• M4: 1,668,166 km (0.107 R)
• M5: 2,076,119 km (0.099 R)
• M6: 4,453,678 km (0.09 R)
• M7: 5,432,647 km (0.067 R)
• M8: 5,876,803 km (0.106 R)
• M9: 6,732,652 km (0.093 R)
• M10: 7,583,714 km (0.098 R)
• M11: 8,050,310 km (0.075 R)
• M12: 8,660,670 km (0.09 R)
• M13: 9,203,411 km (0.069 R)
• M14: 9,734,932 km (0.101 R)
• M15: 10,392,714 km (0.116 R)
• M16: 11,758,542 km (0.076 R)
• M17: 14,354,664 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.3

Radius: 14.5

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.31 AU - 4.81 AU

Year: 4446 Days

Day: 13.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 169.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 94,501,897 km

• M1: 180,714 km (0.053 R)
• M2: 641,326 km (0.063 R)
• M3: 1,199,625 km (0.077 R)
• M4: 1,909,617 km (0.091 R)
• M5: 2,547,053 km (0.065 R)
• M6: 3,846,311 km (0.039 R)
• M7: 4,978,019 km (0.027 R)
• M8: 5,751,589 km (0.056 R)
• M9: 6,509,003 km (0.045 R)
• M10: 7,504,727 km (0.093 R)
• M11: 8,149,643 km (0.114 R)
• M12: 10,137,051 km (0.104 R)
• M13: 10,881,300 km (0.036 R)
• M14: 14,121,740 km (0.086 R)
• M15: 15,050,892 km (0.036 R)
• M16: 16,970,532 km (0.096 R)
• M17: 17,832,365 km (0.103 R)
• M18: 20,940,860 km (0.109 R)
• M19: 23,029,844 km (0.068 R)
• M20: 24,939,461 km (0.103 R)
• M21: 25,652,145 km (0.094 R)
• M22: 26,705,314 km (0.099 R)
• M23: 28,467,577 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.3

Radius: 11

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.66 AU - 8.68 AU

Year: 10662 Days

Day: 11.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,501,897 km

• M1: 137,181 km (0.107 R)
• M2: 755,918 km (0.113 R)
• M3: 1,500,317 km (0.096 R)
• M4: 3,212,315 km (0.038 R)
• M5: 3,676,068 km (0.052 R)
• M6: 4,765,291 km (0.111 R)
• M7: 5,662,429 km (0.085 R)
• M8: 7,040,824 km (0.109 R)
• M9: 13,129,158 km (0.103 R)
• M10: 13,987,999 km (0.108 R)
• M11: 17,736,623 km (0.051 R)
• M12: 19,945,286 km (0.103 R)
• M13: 24,740,795 km (0.086 R)
• M14: 28,450,972 km (0.103 R)
• M15: 28,894,679 km (0.109 R)
• M16: 29,887,411 km (0.095 R)
• M17: 31,940,492 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.9

Radius: 5.2

Gravity: 26.03 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.79 AU - 10.05 AU

Year: 14265 Days

Day: 15.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 94,501,897 km

• M1: 64,776 km (0.118 R)
• M2: 690,394 km (0.031 R)
• M3: 1,243,308 km (0.118 R)
• M4: 1,871,170 km (0.12 R)
• M5: 2,166,626 km (0.095 R)
• M6: 2,921,347 km (0.094 R)
• M7: 6,836,174 km (0.11 R)
• M8: 8,874,295 km (0.067 R)
• M9: 9,128,761 km (0.095 R)
• M10: 9,440,822 km (0.116 R)
• M11: 10,875,316 km (0.063 R)
• M12: 14,657,300 km (0.078 R)
• M13: 17,428,900 km (0.081 R)
• M14: 18,152,355 km (0.085 R)
• M15: 18,315,866 km (0.094 R)
• M16: 19,063,406 km (0.085 R)
• M17: 21,156,430 km (0.072 R)
• M18: 24,775,801 km (0.071 R)
• M19: 31,179,637 km (0.116 R)
• M20: 35,328,584 km (0.107 R)
• M21: 40,663,095 km (0.103 R)
• M22: 46,357,687 km (0.055 R)
• M23: 47,587,980 km (0.107 R)
• M24: 47,898,994 km (0.119 R)
• M25: 50,274,459 km (0.11 R)
• M26: 52,561,212 km (0.111 R)
• M27: 56,467,212 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.9

Radius: 5.5

Gravity: 21.19 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 12.07 AU - 19.49 AU

Year: 28619 Days

Day: 24.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 94,501,897 km

• M1: 69,862 km (0.114 R)
• M2: 244,144 km (0.064 R)
• M3: 1,087,726 km (0.073 R)
• M4: 1,390,213 km (0.117 R)
• M5: 1,652,757 km (0.086 R)
• M6: 2,053,829 km (0.109 R)
• M7: 2,669,424 km (0.091 R)
• M8: 3,133,926 km (0.087 R)
• M9: 3,492,961 km (0.112 R)
• M10: 4,048,268 km (0.107 R)
• M11: 11,452,764 km (0.114 R)
• M12: 12,668,995 km (0.085 R)
• M13: 14,287,195 km (0.026 R)
• M14: 16,830,808 km (0.095 R)
• M15: 17,282,144 km (0.116 R)
• M16: 18,209,053 km (0.066 R)
• M17: 19,462,982 km (0.085 R)
• M18: 20,060,775 km (0.119 R)
• M19: 20,262,732 km (0.095 R)
• M20: 22,357,402 km (0.077 R)
• M21: 23,234,344 km (0.07 R)
• M22: 24,939,760 km (0.102 R)
• M23: 26,002,204 km (0.077 R)
• M24: 28,216,851 km (0.096 R)
• M25: 28,597,877 km (0.063 R)
• M26: 29,630,551 km (0.113 R)
• M27: 31,225,713 km (0.116 R)
• M28: 33,299,140 km (0.098 R)
• M29: 38,646,216 km (0.108 R)
• M30: 46,099,332 km (0.08 R)
• M31: 48,964,281 km (0.1 R)
• M32: 49,330,646 km (0.114 R)
• M33: 51,377,743 km (0.094 R)
• M34: 52,901,697 km (0.075 R)
• M35: 54,064,222 km (0.119 R)
• M36: 61,187,175 km (0.107 R)
• M37: 61,612,033 km (0.108 R)
• M38: 61,825,210 km (0.082 R)
• M39: 67,769,481 km (0.074 R)
• M40: 90,315,825 km (0.099 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 18,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit