🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.7

Radius: 12.5

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.53 AU - 0.83 AU

Year: 374 Days

Day: 9.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,299,069 km

• M1: 166,502 km (0.088 R)
• M2: 562,189 km (0.081 R)
• M3: 878,588 km (0.1 R)
• M4: 1,204,562 km (0.114 R)
• M5: 1,575,714 km (0.106 R)
• M6: 2,055,924 km (0.093 R)
• M7: 2,312,783 km (0.063 R)
• M8: 2,853,879 km (0.032 R)
• M9: 3,840,626 km (0.049 R)
• M10: 4,281,940 km (0.051 R)
• M11: 4,692,885 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.6

Radius: 8.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.73 AU - 1.07 AU

Year: 569 Days

Day: 7 Hours

Environment

Temp: -179 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,299,069 km

• M1: 111,600 km (0.095 R)
• M2: 316,699 km (0.112 R)
• M3: 662,419 km (0.083 R)
• M4: 893,847 km (0.047 R)
• M5: 1,165,667 km (0.12 R)
• M6: 1,352,215 km (0.107 R)
• M7: 1,700,629 km (0.117 R)
• M8: 2,098,709 km (0.11 R)
• M9: 3,194,812 km (0.087 R)
• M10: 3,619,072 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.1

Radius: 13.5

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.25 AU - 1.33 AU

Year: 977 Days

Day: 10.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,299,069 km

• M1: 172,187 km (0.106 R)
• M2: 502,350 km (0.068 R)
• M3: 886,816 km (0.113 R)
• M4: 1,151,604 km (0.078 R)
• M5: 1,410,858 km (0.116 R)
• M6: 1,798,914 km (0.118 R)
• M7: 2,113,519 km (0.053 R)
• M8: 2,408,675 km (0.11 R)
• M9: 2,800,622 km (0.11 R)
• M10: 3,306,861 km (0.097 R)
• M11: 3,639,866 km (0.086 R)
• M12: 3,928,440 km (0.054 R)
• M13: 4,507,384 km (0.083 R)
• M14: 4,954,532 km (0.052 R)
• M15: 5,520,012 km (0.102 R)
• M16: 5,777,320 km (0.104 R)
• M17: 6,839,914 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.3

Radius: 12.2

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.8 AU - 3.3 AU

Year: 3552 Days

Day: 6.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,299,069 km

• M1: 152,440 km (0.075 R)
• M2: 455,077 km (0.111 R)
• M3: 841,638 km (0.099 R)
• M4: 1,123,929 km (0.067 R)
• M5: 1,454,690 km (0.055 R)
• M6: 1,709,455 km (0.097 R)
• M7: 1,950,906 km (0.114 R)
• M8: 2,235,441 km (0.086 R)
• M9: 2,499,780 km (0.061 R)
• M10: 5,103,382 km (0.088 R)
• M11: 5,840,600 km (0.092 R)
• M12: 6,404,883 km (0.118 R)
• M13: 7,253,702 km (0.108 R)
• M14: 8,667,252 km (0.04 R)
• M15: 9,598,648 km (0.069 R)
• M16: 10,578,365 km (0.057 R)
• M17: 11,456,654 km (0.091 R)
• M18: 13,578,999 km (0.1 R)
• M19: 15,186,877 km (0.08 R)
• M20: 16,095,684 km (0.067 R)
• M21: 16,632,291 km (0.111 R)
• M22: 17,140,924 km (0.084 R)
• M23: 17,398,232 km (0.09 R)
• M24: 17,769,085 km (0.089 R)
• M25: 18,828,538 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.5

Radius: 3.5

Gravity: 34 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.87 AU - 8.27 AU

Year: 12536 Days

Day: 15.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 73,299,069 km

• M1: 60,587 km (0.058 R)
• M2: 166,203 km (0.089 R)
• M3: 274,662 km (0.089 R)
• M4: 583,581 km (0.051 R)
• M5: 994,676 km (0.104 R)
• M6: 1,554,771 km (0.112 R)
• M7: 1,640,490 km (0.046 R)
• M8: 1,987,258 km (0.115 R)
• M9: 3,134,674 km (0.088 R)
• M10: 3,256,596 km (0.083 R)
• M11: 3,636,575 km (0.086 R)
• M12: 3,901,662 km (0.052 R)
• M13: 4,120,524 km (0.096 R)
• M14: 9,722,814 km (0.088 R)
• M15: 10,374,463 km (0.112 R)
• M16: 10,596,316 km (0.095 R)
• M17: 10,865,742 km (0.083 R)
• M18: 12,120,270 km (0.037 R)
• M19: 12,748,731 km (0.078 R)
• M20: 14,002,211 km (0.059 R)
• M21: 14,415,849 km (0.034 R)
• M22: 15,747,121 km (0.081 R)
• M23: 16,296,145 km (0.106 R)
• M24: 17,251,178 km (0.057 R)
• M25: 17,365,321 km (0.114 R)
• M26: 17,767,739 km (0.087 R)
• M27: 18,764,510 km (0.105 R)
• M28: 23,753,898 km (0.038 R)
• M29: 26,504,853 km (0.079 R)
• M30: 27,647,332 km (0.107 R)
• M31: 30,990,396 km (0.102 R)
• M32: 31,066,840 km (0.092 R)
• M33: 31,914,163 km (0.067 R)
• M34: 32,069,445 km (0.1 R)
• M35: 34,202,561 km (0.115 R)
• M36: 34,443,863 km (0.093 R)
• M37: 36,239,037 km (0.064 R)
• M38: 36,487,369 km (0.078 R)
• M39: 37,237,453 km (0.068 R)
• M40: 42,076,496 km (0.086 R)
• M41: 43,242,162 km (0.06 R)
• M42: 46,086,167 km (0.092 R)
• M43: 46,834,905 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.1

Radius: 6.8

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.58 AU - 8.24 AU

Year: 13451 Days

Day: 23.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 73,299,069 km

• M1: 102,923 km (0.101 R)
• M2: 268,079 km (0.117 R)
• M3: 479,162 km (0.079 R)
• M4: 999,463 km (0.106 R)
• M5: 1,645,128 km (0.115 R)
• M6: 1,885,532 km (0.118 R)
• M7: 2,946,629 km (0.111 R)
• M8: 3,294,744 km (0.03 R)
• M9: 3,423,996 km (0.051 R)
• M10: 4,108,107 km (0.066 R)
• M11: 4,252,469 km (0.116 R)
• M12: 4,793,714 km (0.105 R)
• M13: 6,255,435 km (0.038 R)
• M14: 6,470,108 km (0.114 R)
• M15: 7,520,135 km (0.049 R)
• M16: 9,158,980 km (0.06 R)
• M17: 10,403,036 km (0.063 R)
• M18: 10,913,763 km (0.079 R)
• M19: 11,340,715 km (0.033 R)
• M20: 11,824,664 km (0.073 R)
• M21: 13,079,491 km (0.028 R)
• M22: 14,723,871 km (0.11 R)
• M23: 15,164,138 km (0.058 R)
• M24: 16,640,070 km (0.035 R)
• M25: 16,990,429 km (0.107 R)
• M26: 20,955,969 km (0.104 R)
• M27: 22,079,449 km (0.038 R)
• M28: 22,348,127 km (0.06 R)
• M29: 22,958,486 km (0.107 R)
• M30: 25,482,651 km (0.11 R)
• M31: 28,290,304 km (0.063 R)
• M32: 29,516,557 km (0.072 R)
• M33: 29,827,123 km (0.052 R)
• M34: 30,927,116 km (0.094 R)
• M35: 32,614,580 km (0.057 R)
• M36: 34,514,473 km (0.089 R)
• M37: 35,357,158 km (0.063 R)
• M38: 35,526,951 km (0.092 R)
• M39: 36,382,053 km (0.07 R)
• M40: 40,628,089 km (0.075 R)
• M41: 43,401,035 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622

Radius: 3.8

Gravity: 43.07 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.59 AU - 8.42 AU

Year: 13697 Days

Day: 23.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 73,299,069 km

• M1: 77,492 km (0.031 R)
• M2: 179,069 km (0.117 R)
• M3: 267,182 km (0.114 R)
• M4: 630,705 km (0.118 R)
• M5: 777,610 km (0.032 R)
• M6: 1,013,974 km (0.118 R)
• M7: 1,089,671 km (0.069 R)
• M8: 1,184,366 km (0.052 R)
• M9: 1,403,826 km (0.074 R)
• M10: 1,475,185 km (0.069 R)
• M11: 1,819,110 km (0.079 R)
• M12: 1,921,136 km (0.096 R)
• M13: 2,155,855 km (0.116 R)
• M14: 4,155,530 km (0.053 R)
• M15: 4,279,097 km (0.037 R)
• M16: 4,660,722 km (0.098 R)
• M17: 4,991,333 km (0.086 R)
• M18: 5,333,314 km (0.097 R)
• M19: 5,686,813 km (0.109 R)
• M20: 6,659,499 km (0.11 R)
• M21: 7,962,646 km (0.076 R)
• M22: 8,393,937 km (0.096 R)
• M23: 9,568,878 km (0.087 R)
• M24: 13,613,107 km (0.111 R)
• M25: 16,175,120 km (0.064 R)
• M26: 16,664,754 km (0.093 R)
• M27: 18,177,637 km (0.079 R)
• M28: 19,958,301 km (0.066 R)
• M29: 20,707,636 km (0.035 R)
• M30: 23,549,248 km (0.084 R)
• M31: 24,512,210 km (0.111 R)
• M32: 24,662,107 km (0.109 R)
• M33: 27,596,469 km (0.11 R)
• M34: 28,074,883 km (0.118 R)
• M35: 28,315,586 km (0.08 R)
• M36: 29,370,700 km (0.092 R)
• M37: 30,612,212 km (0.107 R)
• M38: 34,936,488 km (0.104 R)
• M39: 35,835,572 km (0.049 R)
• M40: 40,503,025 km (0.06 R)
• M41: 41,861,224 km (0.105 R)
• M42: 42,351,756 km (0.086 R)
• M43: 46,687,850 km (0.105 R)
• M44: 49,094,132 km (0.114 R)
• M45: 51,778,217 km (0.094 R)
• M46: 53,312,492 km (0.12 R)
• M47: 53,533,448 km (0.086 R)
• M48: 56,448,363 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792

Radius: 6.6

Gravity: 18.18 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.85 AU - 9.87 AU

Year: 17587 Days

Day: 18.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 73,299,069 km

• M1: 257,907 km (0.097 R)
• M2: 391,348 km (0.056 R)
• M3: 701,764 km (0.088 R)
• M4: 843,882 km (0.074 R)
• M5: 1,153,998 km (0.109 R)
• M6: 1,751,492 km (0.103 R)
• M7: 4,264,287 km (0.106 R)
• M8: 4,658,178 km (0.099 R)
• M9: 5,069,722 km (0.079 R)
• M10: 5,498,919 km (0.103 R)
• M11: 5,699,978 km (0.1 R)
• M12: 7,072,838 km (0.102 R)
• M13: 8,007,226 km (0.052 R)
• M14: 8,201,105 km (0.072 R)
• M15: 9,997,476 km (0.093 R)
• M16: 10,543,658 km (0.109 R)
• M17: 11,332,936 km (0.08 R)
• M18: 13,682,969 km (0.071 R)
• M19: 14,192,500 km (0.114 R)
• M20: 14,842,652 km (0.112 R)
• M21: 15,642,253 km (0.053 R)
• M22: 17,162,765 km (0.117 R)
• M23: 20,032,501 km (0.079 R)
• M24: 21,670,000 km (0.103 R)
• M25: 22,472,443 km (0.069 R)
• M26: 28,682,400 km (0.106 R)
• M27: 29,049,663 km (0.081 R)
• M28: 29,326,718 km (0.109 R)
• M29: 29,604,970 km (0.104 R)
• M30: 34,037,256 km (0.067 R)
• M31: 34,337,050 km (0.082 R)
• M32: 34,537,660 km (0.103 R)
• M33: 38,672,994 km (0.062 R)
• M34: 43,154,797 km (0.049 R)
• M35: 49,193,165 km (0.082 R)
• M36: 50,036,299 km (0.092 R)
• M37: 52,237,183 km (0.093 R)
• M38: 52,484,618 km (0.086 R)
• M39: 54,991,579 km (0.083 R)
• M40: 56,652,564 km (0.096 R)
• M41: 59,783,797 km (0.12 R)
• M42: 64,090,271 km (0.033 R)
• M43: 66,021,430 km (0.103 R)
• M44: 67,840,241 km (0.099 R)
• M45: 71,407,851 km (0.064 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: 519 - 17,672 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit