🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.46 AU - 0.64 AU

Year: 157 Days

Day: 45 Hours

Environment

Temp: 135 °C

Axial Tilt: 33.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,883,884 km

• M1: 52,658 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.03 AU - 1.23 AU

Year: 462 Days

Day: 15.9 Hours

Environment

Temp: -12 °C

Axial Tilt: 34.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.69 AU - 2.51 AU

Year: 1172 Days

Day: 31.9 Hours

Environment

Temp: -97 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,883,884 km

• M1: 61,335 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.9 AU - 2.44 AU

Year: 1231 Days

Day: 22 Hours

Environment

Temp: -97 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,883,884 km

• M1: 1,179,430 km (0.027 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.3

Radius: 13.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.99 AU - 7.67 AU

Year: 6132 Days

Day: 6.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,883,884 km

• M1: 170,392 km (0.109 R)
• M2: 675,135 km (0.067 R)
• M3: 1,172,099 km (0.041 R)
• M4: 1,933,253 km (0.108 R)
• M5: 4,997,018 km (0.06 R)
• M6: 5,737,677 km (0.041 R)
• M7: 7,134,173 km (0.064 R)
• M8: 7,858,675 km (0.085 R)
• M9: 10,765,811 km (0.04 R)
• M10: 11,213,408 km (0.114 R)
• M11: 17,975,381 km (0.038 R)
• M12: 18,670,562 km (0.099 R)
• M13: 20,658,269 km (0.078 R)
• M14: 22,203,017 km (0.114 R)
• M15: 24,050,550 km (0.085 R)
• M16: 25,442,708 km (0.108 R)
• M17: 26,643,381 km (0.113 R)
• M18: 28,387,393 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.2

Radius: 9.5

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.43 AU - 6.89 AU

Year: 6617 Days

Day: 10.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,883,884 km

• M1: 118,182 km (0.076 R)
• M2: 600,785 km (0.102 R)
• M3: 902,973 km (0.073 R)
• M4: 1,539,661 km (0.115 R)
• M5: 1,854,116 km (0.048 R)
• M6: 2,244,866 km (0.1 R)
• M7: 2,747,664 km (0.066 R)
• M8: 3,151,578 km (0.091 R)
• M9: 3,525,723 km (0.088 R)
• M10: 5,766,100 km (0.091 R)
• M11: 6,999,385 km (0.116 R)
• M12: 7,409,134 km (0.116 R)
• M13: 8,693,132 km (0.094 R)
• M14: 9,388,014 km (0.087 R)
• M15: 10,888,631 km (0.08 R)
• M16: 11,490,463 km (0.101 R)
• M17: 16,342,819 km (0.051 R)
• M18: 16,932,385 km (0.118 R)
• M19: 18,433,150 km (0.057 R)
• M20: 18,928,768 km (0.095 R)
• M21: 19,725,526 km (0.091 R)
• M22: 20,244,033 km (0.103 R)
• M23: 21,775,915 km (0.1 R)
• M24: 22,250,140 km (0.115 R)
• M25: 23,383,494 km (0.111 R)
• M26: 23,797,431 km (0.079 R)
• M27: 24,300,678 km (0.119 R)
• M28: 26,653,404 km (0.106 R)
• M29: 29,730,183 km (0.112 R)
• M30: 30,412,050 km (0.083 R)
• M31: 33,662,363 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.1

Radius: 9.3

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.72 AU - 7.4 AU

Year: 7222 Days

Day: 7.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,883,884 km

• M1: 115,639 km (0.06 R)
• M2: 998,267 km (0.068 R)
• M3: 1,288,337 km (0.09 R)
• M4: 1,906,475 km (0.052 R)
• M5: 2,641,898 km (0.111 R)
• M6: 2,962,636 km (0.059 R)
• M7: 3,555,343 km (0.118 R)
• M8: 4,015,805 km (0.091 R)
• M9: 4,466,394 km (0.118 R)
• M10: 4,845,625 km (0.053 R)
• M11: 7,451,171 km (0.103 R)
• M12: 8,059,136 km (0.095 R)
• M13: 8,356,537 km (0.101 R)
• M14: 8,699,864 km (0.046 R)
• M15: 9,252,628 km (0.064 R)
• M16: 9,578,901 km (0.088 R)
• M17: 9,912,804 km (0.083 R)
• M18: 11,559,876 km (0.11 R)
• M19: 13,176,132 km (0.038 R)
• M20: 15,846,304 km (0.098 R)
• M21: 16,551,508 km (0.045 R)
• M22: 18,341,896 km (0.087 R)
• M23: 19,783,570 km (0.119 R)
• M24: 22,817,116 km (0.084 R)
• M25: 23,944,486 km (0.064 R)
• M26: 27,298,320 km (0.071 R)
• M27: 27,633,120 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.8

Radius: 14.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.43 AU - 7.91 AU

Year: 7392 Days

Day: 7.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,883,884 km

• M1: 182,360 km (0.117 R)
• M2: 1,008,290 km (0.091 R)
• M3: 2,536,432 km (0.078 R)
• M4: 3,278,587 km (0.117 R)
• M5: 3,859,326 km (0.087 R)
• M6: 5,634,753 km (0.042 R)
• M7: 6,904,540 km (0.108 R)
• M8: 8,108,803 km (0.118 R)
• M9: 8,870,107 km (0.119 R)
• M10: 11,185,732 km (0.053 R)
• M11: 12,292,307 km (0.064 R)
• M12: 12,788,374 km (0.086 R)
• M13: 13,762,256 km (0.045 R)
• M14: 17,185,355 km (0.073 R)
• M15: 19,462,384 km (0.079 R)
• M16: 21,534,763 km (0.099 R)
• M17: 22,176,089 km (0.086 R)
• M18: 24,005,671 km (0.12 R)
• M19: 29,505,338 km (0.091 R)
• M20: 30,097,596 km (0.056 R)
• M21: 31,716,245 km (0.098 R)
• M22: 32,967,780 km (0.113 R)
• M23: 34,251,928 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.9

Radius: 12

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.55 AU - 8.79 AU

Year: 8991 Days

Day: 13.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,883,884 km

• M1: 154,235 km (0.087 R)
• M2: 736,470 km (0.108 R)
• M3: 1,296,116 km (0.078 R)
• M4: 2,081,804 km (0.081 R)
• M5: 2,668,826 km (0.102 R)
• M6: 3,055,387 km (0.098 R)
• M7: 3,792,156 km (0.086 R)
• M8: 4,392,493 km (0.066 R)
• M9: 5,115,948 km (0.078 R)
• M10: 5,652,107 km (0.107 R)
• M11: 6,437,196 km (0.096 R)
• M12: 7,449,974 km (0.109 R)
• M13: 8,098,481 km (0.104 R)
• M14: 9,508,740 km (0.07 R)
• M15: 12,195,069 km (0.096 R)
• M16: 12,867,212 km (0.088 R)
• M17: 14,163,627 km (0.05 R)
• M18: 14,906,530 km (0.053 R)
• M19: 17,431,293 km (0.1 R)
• M20: 18,502,115 km (0.068 R)
• M21: 18,942,531 km (0.103 R)
• M22: 22,806,195 km (0.095 R)
• M23: 24,612,141 km (0.086 R)
• M24: 25,414,733 km (0.084 R)
• M25: 26,790,884 km (0.106 R)
• M26: 28,507,071 km (0.094 R)
• M27: 28,898,269 km (0.05 R)
• M28: 31,424,678 km (0.117 R)
• M29: 31,842,056 km (0.062 R)
• M30: 33,009,219 km (0.09 R)
• M31: 36,681,847 km (0.108 R)
• M32: 38,082,382 km (0.115 R)
• M33: 38,795,814 km (0.119 R)
• M34: 39,518,073 km (0.117 R)
• M35: 40,126,936 km (0.118 R)
• M36: 41,238,448 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.2

Radius: 7.7

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 16.42 AU - 20.9 AU

Year: 31034 Days

Day: 22.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,883,884 km

• M1: 96,042 km (0.078 R)
• M2: 361,877 km (0.101 R)
• M3: 849,716 km (0.096 R)
• M4: 4,070,558 km (0.095 R)
• M5: 4,621,228 km (0.084 R)
• M6: 5,539,011 km (0.047 R)
• M7: 7,988,227 km (0.096 R)
• M8: 8,520,197 km (0.119 R)
• M9: 10,074,519 km (0.07 R)
• M10: 11,877,024 km (0.118 R)
• M11: 14,188,610 km (0.106 R)
• M12: 15,127,935 km (0.1 R)
• M13: 15,369,087 km (0.1 R)
• M14: 23,319,166 km (0.04 R)
• M15: 23,857,569 km (0.071 R)
• M16: 25,979,166 km (0.12 R)
• M17: 26,325,336 km (0.12 R)
• M18: 29,957,871 km (0.115 R)
• M19: 31,893,668 km (0.099 R)
• M20: 41,093,637 km (0.082 R)
• M21: 43,156,293 km (0.071 R)
• M22: 45,453,967 km (0.102 R)
• M23: 47,487,151 km (0.11 R)
• M24: 52,465,619 km (0.078 R)
• M25: 58,568,464 km (0.093 R)
• M26: 63,236,067 km (0.099 R)
• M27: 65,340,610 km (0.118 R)
• M28: 68,584,191 km (0.079 R)
• M29: 75,624,716 km (0.106 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 16,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit