🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.9

Radius: 10.2

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.63 AU - 0.65 AU

Year: 353 Days

Day: 7.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,457,294 km

• M1: 127,158 km (0.105 R)
• M2: 487,839 km (0.077 R)
• M3: 863,629 km (0.077 R)
• M4: 1,291,927 km (0.082 R)
• M5: 1,621,791 km (0.072 R)
• M6: 2,251,149 km (0.119 R)
• M7: 2,608,538 km (0.092 R)
• M8: 3,210,969 km (0.077 R)
• M9: 3,715,562 km (0.105 R)
• M10: 4,111,548 km (0.088 R)
• M11: 5,440,127 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.1

Radius: 13

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.68 AU - 0.8 AU

Year: 439 Days

Day: 7 Hours

Environment

Temp: -156 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,457,294 km

• M1: 161,715 km (0.118 R)
• M2: 667,954 km (0.091 R)
• M3: 1,121,086 km (0.091 R)
• M4: 1,741,319 km (0.093 R)
• M5: 2,309,193 km (0.086 R)
• M6: 3,132,579 km (0.051 R)
• M7: 3,682,352 km (0.077 R)
• M8: 4,102,273 km (0.112 R)
• M9: 4,642,770 km (0.055 R)
• M10: 5,198,526 km (0.081 R)
• M11: 5,729,449 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.2

Radius: 10

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.26 AU - 1.6 AU

Year: 1180 Days

Day: 8 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,457,294 km

• M1: 124,465 km (0.109 R)
• M2: 547,977 km (0.108 R)
• M3: 895,343 km (0.099 R)
• M4: 1,271,133 km (0.084 R)
• M5: 1,674,449 km (0.071 R)
• M6: 2,277,927 km (0.095 R)
• M7: 2,732,256 km (0.106 R)
• M8: 3,098,920 km (0.054 R)
• M9: 3,512,708 km (0.101 R)
• M10: 3,979,004 km (0.11 R)
• M11: 4,452,182 km (0.112 R)
• M12: 5,128,664 km (0.098 R)
• M13: 6,313,180 km (0.105 R)
• M14: 6,731,007 km (0.119 R)
• M15: 7,237,844 km (0.076 R)
• M16: 8,379,874 km (0.119 R)
• M17: 8,723,501 km (0.115 R)
• M18: 9,298,405 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.9

Radius: 10

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.21 AU - 1.87 AU

Year: 1319 Days

Day: 7.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,457,294 km

• M1: 124,316 km (0.059 R)
• M2: 563,386 km (0.098 R)
• M3: 1,125,275 km (0.061 R)
• M4: 1,450,351 km (0.069 R)
• M5: 2,296,926 km (0.036 R)
• M6: 2,804,661 km (0.054 R)
• M7: 4,111,099 km (0.103 R)
• M8: 5,398,987 km (0.108 R)
• M9: 6,277,575 km (0.084 R)
• M10: 7,104,104 km (0.07 R)
• M11: 8,640,623 km (0.056 R)
• M12: 9,256,069 km (0.116 R)
• M13: 9,633,205 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.5

Radius: 8.3

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.08 AU - 3.02 AU

Year: 2811 Days

Day: 7.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,457,294 km

• M1: 103,522 km (0.093 R)
• M2: 461,659 km (0.106 R)
• M3: 726,298 km (0.064 R)
• M4: 1,000,959 km (0.114 R)
• M5: 1,667,867 km (0.104 R)
• M6: 2,014,934 km (0.077 R)
• M7: 2,888,136 km (0.06 R)
• M8: 3,318,978 km (0.11 R)
• M9: 3,597,679 km (0.063 R)
• M10: 4,139,074 km (0.114 R)
• M11: 5,510,587 km (0.082 R)
• M12: 6,483,422 km (0.095 R)
• M13: 6,831,985 km (0.105 R)
• M14: 7,131,779 km (0.119 R)
• M15: 7,920,310 km (0.076 R)
• M16: 8,870,855 km (0.06 R)
• M17: 9,264,447 km (0.076 R)
• M18: 13,724,258 km (0.087 R)
• M19: 14,397,149 km (0.112 R)
• M20: 16,817,793 km (0.118 R)
• M21: 17,812,618 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.9

Radius: 10

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.07 AU - 4.87 AU

Year: 6523 Days

Day: 10.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,457,294 km

• M1: 128,056 km (0.082 R)
• M2: 692,937 km (0.119 R)
• M3: 1,028,485 km (0.113 R)
• M4: 1,589,029 km (0.06 R)
• M5: 2,156,304 km (0.053 R)
• M6: 2,839,218 km (0.04 R)
• M7: 4,714,726 km (0.108 R)
• M8: 5,233,981 km (0.113 R)
• M9: 5,600,944 km (0.052 R)
• M10: 6,594,573 km (0.105 R)
• M11: 7,556,787 km (0.073 R)
• M12: 9,964,714 km (0.039 R)
• M13: 11,532,949 km (0.089 R)
• M14: 12,396,128 km (0.07 R)
• M15: 13,900,634 km (0.075 R)
• M16: 15,290,698 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.8

Radius: 14.9

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.01 AU - 5.75 AU

Year: 7441 Days

Day: 10.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,457,294 km

• M1: 185,352 km (0.09 R)
• M2: 844,779 km (0.099 R)
• M3: 1,700,629 km (0.072 R)
• M4: 2,327,892 km (0.119 R)
• M5: 2,824,258 km (0.05 R)
• M6: 3,693,571 km (0.077 R)
• M7: 4,469,835 km (0.096 R)
• M8: 5,653,603 km (0.097 R)
• M9: 6,200,084 km (0.08 R)
• M10: 6,718,889 km (0.049 R)
• M11: 7,602,713 km (0.094 R)
• M12: 8,090,851 km (0.091 R)
• M13: 8,938,473 km (0.09 R)
• M14: 9,403,872 km (0.091 R)
• M15: 10,257,477 km (0.109 R)
• M16: 11,840,372 km (0.051 R)
• M17: 12,594,196 km (0.115 R)
• M18: 14,407,472 km (0.099 R)
• M19: 17,990,790 km (0.086 R)
• M20: 19,051,289 km (0.097 R)
• M21: 20,351,893 km (0.107 R)
• M22: 22,271,383 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.6

Radius: 14.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.24 AU - 5.4 AU

Year: 8470 Days

Day: 9.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,457,294 km

• M1: 182,809 km (0.114 R)
• M2: 1,170,753 km (0.054 R)
• M3: 1,712,596 km (0.071 R)
• M4: 2,407,628 km (0.103 R)
• M5: 2,893,522 km (0.033 R)
• M6: 4,113,642 km (0.116 R)
• M7: 5,023,197 km (0.099 R)
• M8: 5,540,357 km (0.066 R)
• M9: 6,214,146 km (0.097 R)
• M10: 8,159,068 km (0.09 R)
• M11: 8,684,007 km (0.083 R)
• M12: 9,231,535 km (0.109 R)
• M13: 9,801,952 km (0.11 R)
• M14: 10,526,305 km (0.05 R)
• M15: 13,839,449 km (0.059 R)
• M16: 15,083,505 km (0.06 R)
• M17: 15,761,482 km (0.095 R)
• M18: 16,756,906 km (0.05 R)
• M19: 18,106,728 km (0.098 R)
• M20: 19,861,062 km (0.089 R)
• M21: 22,084,086 km (0.087 R)
• M22: 25,643,618 km (0.092 R)
• M23: 28,616,726 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.4

Radius: 3.3

Gravity: 37.69 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.72 AU - 6.18 AU

Year: 10018 Days

Day: 24.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 40,457,294 km

• M1: 42,187 km (0.096 R)
• M2: 209,736 km (0.081 R)
• M3: 526,435 km (0.119 R)
• M4: 650,152 km (0.09 R)
• M5: 976,575 km (0.062 R)
• M6: 1,199,027 km (0.117 R)
• M7: 1,506,750 km (0.053 R)
• M8: 1,744,311 km (0.103 R)
• M9: 2,104,842 km (0.099 R)
• M10: 2,276,281 km (0.091 R)
• M11: 2,666,732 km (0.105 R)
• M12: 2,867,492 km (0.099 R)
• M13: 2,971,762 km (0.07 R)
• M14: 3,165,641 km (0.038 R)
• M15: 3,974,965 km (0.118 R)
• M16: 5,062,841 km (0.116 R)
• M17: 6,230,003 km (0.08 R)
• M18: 7,486,476 km (0.095 R)
• M19: 8,341,727 km (0.114 R)
• M20: 8,554,455 km (0.032 R)
• M21: 8,990,982 km (0.105 R)
• M22: 9,259,959 km (0.091 R)
• M23: 12,805,279 km (0.111 R)
• M24: 14,023,005 km (0.085 R)
• M25: 14,323,847 km (0.054 R)
• M26: 15,570,595 km (0.119 R)
• M27: 16,820,336 km (0.104 R)
• M28: 17,434,884 km (0.079 R)
• M29: 17,643,124 km (0.101 R)
• M30: 19,368,586 km (0.04 R)
• M31: 20,967,787 km (0.092 R)
• M32: 21,282,092 km (0.103 R)
• M33: 21,519,953 km (0.061 R)
• M34: 21,839,644 km (0.06 R)
• M35: 22,653,007 km (0.04 R)
• M36: 26,380,837 km (0.09 R)
• M37: 27,960,889 km (0.1 R)
• M38: 28,150,879 km (0.106 R)
• M39: 31,821,561 km (0.045 R)
• M40: 37,156,521 km (0.053 R)
• M41: 37,271,113 km (0.104 R)
• M42: 37,501,194 km (0.105 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 10,339 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit