🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.5 AU - 0.6 AU

Year: 268 Days

Day: 37.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,087,926 km

• M1: 335,847 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.2

Radius: 9.7

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.67 AU - 0.87 AU

Year: 443 Days

Day: 15 Hours

Environment

Temp: -136 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,087,926 km

• M1: 120,725 km (0.115 R)
• M2: 514,317 km (0.087 R)
• M3: 869,912 km (0.104 R)
• M4: 1,290,581 km (0.09 R)
• M5: 1,689,110 km (0.111 R)
• M6: 2,028,248 km (0.112 R)
• M7: 2,383,842 km (0.118 R)
• M8: 2,696,202 km (0.109 R)
• M9: 3,658,117 km (0.108 R)
• M10: 4,048,268 km (0.086 R)
• M11: 4,817,949 km (0.107 R)
• M12: 5,542,751 km (0.095 R)
• M13: 6,414,607 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.9

Radius: 8.3

Gravity: 12.86 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.97 AU - 1.27 AU

Year: 778 Days

Day: 5 Hours

Environment

Temp: -166 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,087,926 km

• M1: 103,671 km (0.12 R)
• M2: 367,562 km (0.069 R)
• M3: 665,711 km (0.112 R)
• M4: 1,037,312 km (0.079 R)
• M5: 1,651,860 km (0.093 R)
• M6: 2,036,027 km (0.063 R)
• M7: 2,675,708 km (0.072 R)
• M8: 3,208,126 km (0.089 R)
• M9: 3,645,102 km (0.099 R)
• M10: 4,690,342 km (0.101 R)
• M11: 5,104,429 km (0.103 R)
• M12: 5,562,198 km (0.091 R)
• M13: 6,005,756 km (0.087 R)
• M14: 6,364,492 km (0.107 R)
• M15: 6,626,288 km (0.075 R)
• M16: 7,124,898 km (0.117 R)
• M17: 7,431,125 km (0.073 R)
• M18: 7,944,545 km (0.108 R)
• M19: 8,586,170 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.3

Radius: 9.2

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.58 AU - 1.82 AU

Year: 1454 Days

Day: 9.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,087,926 km

• M1: 114,592 km (0.101 R)
• M2: 417,079 km (0.119 R)
• M3: 987,196 km (0.103 R)
• M4: 1,976,786 km (0.086 R)
• M5: 2,567,099 km (0.054 R)
• M6: 3,089,495 km (0.11 R)
• M7: 3,654,676 km (0.097 R)
• M8: 5,123,577 km (0.101 R)
• M9: 6,767,508 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.1

Radius: 8.3

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.42 AU - 2.26 AU

Year: 1637 Days

Day: 9.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,087,926 km

• M1: 103,372 km (0.086 R)
• M2: 458,368 km (0.103 R)
• M3: 761,453 km (0.092 R)
• M4: 1,099,844 km (0.112 R)
• M5: 1,493,585 km (0.05 R)
• M6: 2,295,131 km (0.061 R)
• M7: 2,566,800 km (0.099 R)
• M8: 3,101,912 km (0.067 R)
• M9: 3,725,885 km (0.106 R)
• M10: 4,103,320 km (0.115 R)
• M11: 5,159,481 km (0.096 R)
• M12: 5,520,012 km (0.044 R)
• M13: 5,851,970 km (0.098 R)
• M14: 6,803,113 km (0.087 R)
• M15: 7,421,102 km (0.053 R)
• M16: 7,743,934 km (0.103 R)
• M17: 8,621,475 km (0.076 R)
• M18: 9,849,823 km (0.089 R)
• M19: 11,905,298 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.5

Radius: 10.6

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.22 AU - 2.82 AU

Year: 2624 Days

Day: 11.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,087,926 km

• M1: 131,796 km (0.087 R)
• M2: 562,039 km (0.091 R)
• M3: 905,815 km (0.086 R)
• M4: 1,315,414 km (0.081 R)
• M5: 1,700,479 km (0.084 R)
• M6: 2,798,378 km (0.12 R)
• M7: 3,139,611 km (0.074 R)
• M8: 3,704,193 km (0.033 R)
• M9: 4,046,473 km (0.119 R)
• M10: 4,618,834 km (0.112 R)
• M11: 5,329,424 km (0.098 R)
• M12: 5,834,766 km (0.112 R)
• M13: 6,396,207 km (0.099 R)
• M14: 9,131,604 km (0.116 R)
• M15: 13,028,778 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.1

Radius: 9.9

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.46 AU - 3.72 AU

Year: 4462 Days

Day: 12.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,087,926 km

• M1: 123,119 km (0.071 R)
• M2: 509,381 km (0.036 R)
• M3: 1,169,107 km (0.096 R)
• M4: 1,560,605 km (0.064 R)
• M5: 1,995,935 km (0.118 R)
• M6: 4,086,715 km (0.116 R)
• M7: 4,553,909 km (0.066 R)
• M8: 4,893,945 km (0.108 R)
• M9: 5,864,536 km (0.091 R)
• M10: 6,756,139 km (0.075 R)
• M11: 8,569,415 km (0.103 R)
• M12: 11,671,626 km (0.089 R)
• M13: 13,130,355 km (0.093 R)
• M14: 13,985,456 km (0.096 R)
• M15: 15,629,088 km (0.104 R)
• M16: 16,164,499 km (0.093 R)
• M17: 18,428,962 km (0.109 R)
• M18: 18,825,994 km (0.086 R)
• M19: 22,509,543 km (0.063 R)
• M20: 24,124,452 km (0.113 R)
• M21: 26,145,968 km (0.107 R)
• M22: 28,365,551 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.7

Radius: 14.6

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.69 AU - 4.51 AU

Year: 5446 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,087,926 km

• M1: 181,612 km (0.107 R)
• M2: 850,165 km (0.116 R)
• M3: 2,469,113 km (0.041 R)
• M4: 3,019,783 km (0.076 R)
• M5: 3,992,468 km (0.04 R)
• M6: 6,028,645 km (0.058 R)
• M7: 7,930,333 km (0.066 R)
• M8: 8,745,342 km (0.106 R)
• M9: 9,298,256 km (0.118 R)
• M10: 12,422,458 km (0.087 R)
• M11: 13,931,152 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.7

Radius: 8.7

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.47 AU - 7.15 AU

Year: 9187 Days

Day: 8.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,087,926 km

• M1: 108,159 km (0.062 R)
• M2: 449,542 km (0.078 R)
• M3: 837,299 km (0.109 R)
• M4: 1,352,814 km (0.115 R)
• M5: 1,774,081 km (0.066 R)
• M6: 2,119,503 km (0.049 R)
• M7: 2,860,012 km (0.045 R)
• M8: 3,975,264 km (0.104 R)
• M9: 4,366,463 km (0.113 R)
• M10: 4,844,727 km (0.071 R)
• M11: 5,128,813 km (0.048 R)
• M12: 5,423,970 km (0.062 R)
• M13: 5,870,669 km (0.089 R)
• M14: 6,837,371 km (0.101 R)
• M15: 7,359,018 km (0.108 R)
• M16: 7,778,042 km (0.099 R)
• M17: 8,168,642 km (0.112 R)
• M18: 8,709,887 km (0.051 R)
• M19: 14,447,265 km (0.08 R)
• M20: 18,011,584 km (0.099 R)
• M21: 23,262,319 km (0.058 R)
• M22: 29,975,973 km (0.053 R)
• M23: 30,721,868 km (0.063 R)
• M24: 34,289,328 km (0.091 R)
• M25: 35,458,585 km (0.108 R)
• M26: 38,123,821 km (0.079 R)
• M27: 40,272,794 km (0.089 R)
• M28: 41,969,683 km (0.077 R)
• M29: 42,367,912 km (0.072 R)
• M30: 45,785,476 km (0.107 R)
• M31: 48,648,480 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 18,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit