🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.4

Radius: 10.2

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.59 AU - 0.73 AU

Year: 358 Days

Day: 11.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,659,935 km

• M1: 126,859 km (0.075 R)
• M2: 510,877 km (0.09 R)
• M3: 963,111 km (0.113 R)
• M4: 1,478,775 km (0.095 R)
• M5: 1,924,726 km (0.095 R)
• M6: 2,468,514 km (0.052 R)
• M7: 2,872,429 km (0.082 R)
• M8: 3,573,145 km (0.094 R)
• M9: 4,131,295 km (0.113 R)
• M10: 4,618,984 km (0.109 R)
• M11: 5,159,780 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.6

Radius: 14.7

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.65 AU - 0.95 AU

Year: 477 Days

Day: 12.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,659,935 km

• M1: 182,958 km (0.041 R)
• M2: 680,521 km (0.07 R)
• M3: 1,181,374 km (0.109 R)
• M4: 1,835,267 km (0.116 R)
• M5: 2,312,933 km (0.077 R)
• M6: 2,864,051 km (0.052 R)
• M7: 3,863,664 km (0.113 R)
• M8: 4,437,970 km (0.118 R)
• M9: 5,117,594 km (0.069 R)
• M10: 6,436,448 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.8

Radius: 9.6

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.5 AU - 5.34 AU

Year: 6197 Days

Day: 11.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,659,935 km

• M1: 119,678 km (0.057 R)
• M2: 643,121 km (0.1 R)
• M3: 971,339 km (0.104 R)
• M4: 1,472,193 km (0.084 R)
• M5: 2,032,437 km (0.095 R)
• M6: 2,729,413 km (0.119 R)
• M7: 3,666,943 km (0.104 R)
• M8: 4,087,612 km (0.038 R)
• M9: 4,488,235 km (0.055 R)
• M10: 5,281,702 km (0.03 R)
• M11: 8,662,465 km (0.054 R)
• M12: 9,583,090 km (0.087 R)
• M13: 11,470,716 km (0.101 R)
• M14: 13,268,134 km (0.111 R)
• M15: 15,305,059 km (0.082 R)
• M16: 17,219,164 km (0.096 R)
• M17: 18,535,625 km (0.1 R)
• M18: 19,218,539 km (0.057 R)
• M19: 19,566,205 km (0.067 R)
• M20: 21,591,311 km (0.059 R)
• M21: 22,270,934 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743

Radius: 12.6

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.78 AU - 6.68 AU

Year: 9147 Days

Day: 11.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,659,935 km

• M1: 157,377 km (0.116 R)
• M2: 622,776 km (0.113 R)
• M3: 1,818,811 km (0.095 R)
• M4: 2,387,283 km (0.118 R)
• M5: 3,183,742 km (0.12 R)
• M6: 3,682,052 km (0.041 R)
• M7: 4,570,963 km (0.083 R)
• M8: 6,077,713 km (0.082 R)
• M9: 6,925,933 km (0.115 R)
• M10: 11,502,281 km (0.086 R)
• M11: 12,337,636 km (0.095 R)
• M12: 14,004,605 km (0.095 R)
• M13: 14,957,094 km (0.069 R)
• M14: 16,088,353 km (0.077 R)
• M15: 18,296,717 km (0.116 R)
• M16: 19,434,858 km (0.045 R)
• M17: 21,106,913 km (0.086 R)
• M18: 25,938,027 km (0.071 R)
• M19: 28,962,447 km (0.116 R)
• M20: 30,193,787 km (0.095 R)
• M21: 39,435,195 km (0.058 R)
• M22: 43,686,169 km (0.111 R)
• M23: 45,853,243 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.7

Radius: 6

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.06 AU - 6.94 AU

Year: 9801 Days

Day: 21.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,659,935 km

• M1: 75,547 km (0.116 R)
• M2: 275,260 km (0.077 R)
• M3: 535,261 km (0.12 R)
• M4: 755,170 km (0.108 R)
• M5: 983,008 km (0.076 R)
• M6: 1,298,360 km (0.097 R)
• M7: 1,756,129 km (0.069 R)
• M8: 2,444,280 km (0.057 R)
• M9: 2,840,415 km (0.094 R)
• M10: 3,044,466 km (0.098 R)
• M11: 3,358,921 km (0.091 R)
• M12: 3,738,301 km (0.083 R)
• M13: 5,022,749 km (0.113 R)
• M14: 7,727,927 km (0.037 R)
• M15: 7,980,598 km (0.092 R)
• M16: 8,655,733 km (0.107 R)
• M17: 10,033,828 km (0.074 R)
• M18: 14,107,229 km (0.101 R)
• M19: 14,924,931 km (0.083 R)
• M20: 16,955,273 km (0.114 R)
• M21: 17,879,190 km (0.091 R)
• M22: 18,577,812 km (0.116 R)
• M23: 19,759,784 km (0.062 R)
• M24: 21,625,719 km (0.088 R)
• M25: 21,840,092 km (0.057 R)
• M26: 25,306,425 km (0.059 R)
• M27: 27,004,211 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.9

Radius: 8

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.72 AU - 11.06 AU

Year: 17676 Days

Day: 24.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 84,659,935 km

• M1: 104,120 km (0.043 R)
• M2: 386,561 km (0.114 R)
• M3: 1,004,699 km (0.119 R)
• M4: 1,264,850 km (0.065 R)
• M5: 2,113,220 km (0.111 R)
• M6: 2,547,801 km (0.085 R)
• M7: 3,297,287 km (0.082 R)
• M8: 4,536,705 km (0.109 R)
• M9: 5,519,563 km (0.057 R)
• M10: 6,101,200 km (0.119 R)
• M11: 6,939,546 km (0.032 R)
• M12: 7,250,410 km (0.106 R)
• M13: 7,996,006 km (0.073 R)
• M14: 8,638,529 km (0.1 R)
• M15: 10,773,739 km (0.097 R)
• M16: 11,495,699 km (0.061 R)
• M17: 11,868,646 km (0.067 R)
• M18: 12,770,273 km (0.112 R)
• M19: 13,373,601 km (0.117 R)
• M20: 14,709,510 km (0.064 R)
• M21: 15,749,065 km (0.114 R)
• M22: 19,075,075 km (0.088 R)
• M23: 20,310,305 km (0.053 R)
• M24: 20,947,591 km (0.113 R)
• M25: 23,233,746 km (0.12 R)
• M26: 27,515,686 km (0.095 R)
• M27: 28,861,917 km (0.032 R)
• M28: 30,487,448 km (0.101 R)
• M29: 38,839,198 km (0.114 R)
• M30: 41,106,353 km (0.105 R)
• M31: 42,125,414 km (0.049 R)
• M32: 44,823,112 km (0.069 R)
• M33: 45,283,724 km (0.051 R)
• M34: 46,999,313 km (0.099 R)
• M35: 49,899,567 km (0.083 R)
• M36: 50,892,148 km (0.094 R)
• M37: 53,603,610 km (0.086 R)
• M38: 57,849,048 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.2

Radius: 3.3

Gravity: 84.87 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.63 AU - 9.81 AU

Year: 20208 Days

Day: 24.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 84,659,935 km

• M1: 176,525 km (0.116 R)
• M2: 594,352 km (0.107 R)
• M3: 882,029 km (0.054 R)
• M4: 1,545,496 km (0.116 R)
• M5: 1,839,455 km (0.051 R)
• M6: 2,348,687 km (0.064 R)
• M7: 2,736,594 km (0.084 R)
• M8: 3,026,963 km (0.061 R)
• M9: 3,455,711 km (0.035 R)
• M10: 3,669,037 km (0.098 R)
• M11: 4,088,510 km (0.096 R)
• M12: 4,223,896 km (0.116 R)
• M13: 5,295,765 km (0.086 R)
• M14: 7,397,615 km (0.098 R)
• M15: 8,223,844 km (0.04 R)
• M16: 9,282,697 km (0.111 R)
• M17: 10,745,765 km (0.118 R)
• M18: 10,938,896 km (0.102 R)
• M19: 12,355,737 km (0.086 R)
• M20: 14,663,882 km (0.032 R)
• M21: 15,141,548 km (0.052 R)
• M22: 25,377,484 km (0.093 R)
• M23: 26,647,869 km (0.052 R)
• M24: 29,314,750 km (0.11 R)
• M25: 29,944,856 km (0.055 R)
• M26: 33,915,333 km (0.119 R)
• M27: 34,191,790 km (0.071 R)
• M28: 37,480,699 km (0.108 R)
• M29: 44,678,750 km (0.062 R)
• M30: 49,659,612 km (0.113 R)
• M31: 50,374,390 km (0.118 R)
• M32: 51,277,363 km (0.095 R)
• M33: 51,641,634 km (0.106 R)
• M34: 62,970,232 km (0.116 R)
• M35: 65,077,019 km (0.11 R)
• M36: 68,324,639 km (0.114 R)
• M37: 70,999,149 km (0.096 R)
• M38: 76,082,335 km (0.065 R)
• M39: 77,989,260 km (0.089 R)
• M40: 83,145,898 km (0.092 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 12,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit