🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.45 AU - 0.75 AU

Year: 300 Days

Day: 37.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.2

Radius: 14.3

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.02 AU - 1.22 AU

Year: 765 Days

Day: 10.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 57.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,591,602 km

• M1: 177,872 km (0.037 R)
• M2: 659,577 km (0.12 R)
• M3: 1,335,759 km (0.101 R)
• M4: 1,795,025 km (0.109 R)
• M5: 2,372,473 km (0.075 R)
• M6: 3,487,575 km (0.066 R)
• M7: 4,047,221 km (0.079 R)
• M8: 4,928,053 km (0.118 R)
• M9: 5,953,546 km (0.049 R)
• M10: 6,801,766 km (0.098 R)
• M11: 7,255,198 km (0.108 R)
• M12: 8,123,015 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.9

Radius: 9.3

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.36 AU - 2.68 AU

Year: 2583 Days

Day: 8.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,591,602 km

• M1: 115,639 km (0.097 R)
• M2: 405,560 km (0.075 R)
• M3: 811,269 km (0.071 R)
• M4: 1,186,910 km (0.117 R)
• M5: 1,583,344 km (0.082 R)
• M6: 2,224,072 km (0.105 R)
• M7: 3,715,862 km (0.091 R)
• M8: 4,080,282 km (0.098 R)
• M9: 5,378,791 km (0.106 R)
• M10: 6,678,647 km (0.078 R)
• M11: 7,028,108 km (0.12 R)
• M12: 7,340,768 km (0.09 R)
• M13: 8,176,571 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.6

Radius: 13.6

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.37 AU - 3.11 AU

Year: 2928 Days

Day: 9.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,591,602 km

• M1: 169,943 km (0.037 R)
• M2: 624,721 km (0.029 R)
• M3: 1,353,412 km (0.045 R)
• M4: 2,051,735 km (0.07 R)
• M5: 2,981,486 km (0.066 R)
• M6: 3,813,699 km (0.06 R)
• M7: 4,666,855 km (0.027 R)
• M8: 6,780,523 km (0.073 R)
• M9: 7,316,233 km (0.115 R)
• M10: 7,789,262 km (0.104 R)
• M11: 9,890,065 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.5

Radius: 11.9

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.51 AU - 3.71 AU

Year: 4429 Days

Day: 6.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,591,602 km

• M1: 147,952 km (0.111 R)
• M2: 564,882 km (0.07 R)
• M3: 1,058,405 km (0.074 R)
• M4: 1,933,403 km (0.116 R)
• M5: 2,379,653 km (0.112 R)
• M6: 2,768,458 km (0.088 R)
• M7: 3,425,342 km (0.026 R)
• M8: 4,085,219 km (0.089 R)
• M9: 6,515,436 km (0.092 R)
• M10: 8,431,635 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.4

Radius: 10.4

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.43 AU - 4.23 AU

Year: 4840 Days

Day: 6 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,591,602 km

• M1: 129,402 km (0.071 R)
• M2: 547,678 km (0.044 R)
• M3: 997,219 km (0.112 R)
• M4: 1,365,081 km (0.03 R)
• M5: 1,700,479 km (0.116 R)
• M6: 2,208,663 km (0.033 R)
• M7: 2,895,317 km (0.081 R)
• M8: 3,297,885 km (0.083 R)
• M9: 3,718,704 km (0.062 R)
• M10: 4,237,360 km (0.118 R)
• M11: 5,273,175 km (0.079 R)
• M12: 5,798,862 km (0.092 R)
• M13: 6,304,204 km (0.041 R)
• M14: 6,809,994 km (0.071 R)
• M15: 7,191,918 km (0.063 R)
• M16: 7,839,228 km (0.071 R)
• M17: 8,391,244 km (0.115 R)
• M18: 9,003,847 km (0.09 R)
• M19: 10,433,404 km (0.097 R)
• M20: 10,783,763 km (0.095 R)
• M21: 12,350,651 km (0.114 R)
• M22: 14,300,958 km (0.107 R)
• M23: 18,068,132 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828

Radius: 10.2

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.92 AU - 4.18 AU

Year: 5263 Days

Day: 9.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,591,602 km

• M1: 127,009 km (0.076 R)
• M2: 1,040,004 km (0.064 R)
• M3: 1,500,167 km (0.109 R)
• M4: 2,108,732 km (0.096 R)
• M5: 3,229,369 km (0.068 R)
• M6: 3,547,265 km (0.058 R)
• M7: 4,550,917 km (0.109 R)
• M8: 4,979,515 km (0.097 R)
• M9: 6,170,613 km (0.086 R)
• M10: 7,432,621 km (0.103 R)
• M11: 9,148,359 km (0.091 R)
• M12: 9,789,385 km (0.097 R)
• M13: 10,830,287 km (0.079 R)
• M14: 14,339,255 km (0.05 R)
• M15: 16,104,061 km (0.053 R)
• M16: 17,038,749 km (0.087 R)
• M17: 17,681,720 km (0.052 R)
• M18: 19,153,315 km (0.037 R)
• M19: 20,060,177 km (0.101 R)
• M20: 20,849,754 km (0.077 R)
• M21: 22,035,168 km (0.093 R)
• M22: 24,136,270 km (0.076 R)
• M23: 26,197,878 km (0.09 R)
• M24: 29,277,650 km (0.085 R)
• M25: 29,828,768 km (0.083 R)
• M26: 31,141,789 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.7

Radius: 6.6

Gravity: 16.89 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9.03 AU - 10.07 AU

Year: 19055 Days

Day: 24.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,591,602 km

• M1: 85,869 km (0.114 R)
• M2: 426,803 km (0.109 R)
• M3: 632,350 km (0.105 R)
• M4: 862,881 km (0.05 R)
• M5: 1,273,826 km (0.113 R)
• M6: 1,549,086 km (0.06 R)
• M7: 3,044,317 km (0.031 R)
• M8: 3,453,916 km (0.09 R)
• M9: 6,723,377 km (0.086 R)
• M10: 9,502,906 km (0.058 R)
• M11: 12,484,840 km (0.033 R)
• M12: 15,639,560 km (0.097 R)
• M13: 16,524,581 km (0.082 R)
• M14: 18,927,272 km (0.063 R)
• M15: 32,775,846 km (0.088 R)
• M16: 36,400,453 km (0.108 R)
• M17: 49,199,449 km (0.046 R)
• M18: 69,936,107 km (0.091 R)

Asteroid Belt

Center: 9.94 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.5

Radius: 3

Gravity: 50.83 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.59 AU - 11.05 AU

Year: 21406 Days

Day: 17.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,591,602 km

• M1: 42,486 km (0.103 R)
• M2: 267,331 km (0.112 R)
• M3: 699,968 km (0.049 R)
• M4: 840,142 km (0.098 R)
• M5: 1,716,187 km (0.085 R)
• M6: 2,089,433 km (0.111 R)
• M7: 3,675,919 km (0.117 R)
• M8: 4,422,412 km (0.083 R)
• M9: 6,125,285 km (0.079 R)
• M10: 6,333,226 km (0.045 R)
• M11: 6,896,163 km (0.075 R)
• M12: 19,943,191 km (0.109 R)
• M13: 21,333,554 km (0.097 R)
• M14: 36,185,930 km (0.093 R)
• M15: 36,321,017 km (0.115 R)
• M16: 36,728,222 km (0.081 R)
• M17: 41,115,329 km (0.116 R)
• M18: 42,152,192 km (0.112 R)
• M19: 57,256,640 km (0.105 R)
• M20: 60,617,955 km (0.082 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 19,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit