🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86

Radius: 13.5

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.88 AU - 1.26 AU

Year: 764 Days

Day: 14.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,399,012 km

• M1: 175,927 km (0.064 R)
• M2: 751,879 km (0.045 R)
• M3: 1,803,702 km (0.1 R)
• M4: 2,912,521 km (0.094 R)
• M5: 3,808,313 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.3

Radius: 9.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.26 AU - 1.48 AU

Year: 1107 Days

Day: 7 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,399,012 km

• M1: 122,072 km (0.063 R)
• M2: 430,243 km (0.1 R)
• M3: 746,045 km (0.104 R)
• M4: 1,107,922 km (0.103 R)
• M5: 1,549,684 km (0.099 R)
• M6: 1,940,135 km (0.107 R)
• M7: 2,438,146 km (0.079 R)
• M8: 2,970,715 km (0.071 R)
• M9: 4,024,781 km (0.083 R)
• M10: 4,906,361 km (0.052 R)
• M11: 5,700,277 km (0.11 R)
• M12: 7,405,244 km (0.052 R)
• M13: 7,844,464 km (0.119 R)
• M14: 8,203,498 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.7

Radius: 11.2

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.38 AU - 1.54 AU

Year: 1218 Days

Day: 12.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,399,012 km

• M1: 139,724 km (0.032 R)
• M2: 507,586 km (0.111 R)
• M3: 1,008,140 km (0.096 R)
• M4: 1,565,841 km (0.034 R)
• M5: 1,926,970 km (0.114 R)
• M6: 2,759,183 km (0.066 R)
• M7: 3,208,874 km (0.107 R)
• M8: 3,661,258 km (0.087 R)
• M9: 4,935,084 km (0.095 R)
• M10: 5,459,574 km (0.104 R)
• M11: 7,186,532 km (0.099 R)
• M12: 7,556,488 km (0.109 R)
• M13: 8,660,819 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.2

Radius: 10.1

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.54 AU - 1.74 AU

Year: 1450 Days

Day: 13.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,399,012 km

• M1: 133,441 km (0.115 R)
• M2: 647,160 km (0.066 R)
• M3: 968,048 km (0.053 R)
• M4: 1,702,573 km (0.074 R)
• M5: 2,169,917 km (0.101 R)
• M6: 2,507,410 km (0.099 R)
• M7: 3,245,675 km (0.102 R)
• M8: 3,836,138 km (0.082 R)
• M9: 4,758,409 km (0.069 R)
• M10: 7,891,886 km (0.033 R)
• M11: 8,555,652 km (0.108 R)
• M12: 10,121,343 km (0.058 R)
• M13: 10,871,576 km (0.072 R)
• M14: 11,243,178 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.7

Radius: 4.2

Gravity: 18.29 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.22 AU - 9.94 AU

Year: 15854 Days

Day: 22.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,399,012 km

• M1: 52,509 km (0.081 R)
• M2: 209,886 km (0.045 R)
• M3: 451,486 km (0.09 R)
• M4: 1,082,939 km (0.111 R)
• M5: 1,635,554 km (0.067 R)
• M6: 2,114,416 km (0.089 R)
• M7: 2,639,056 km (0.058 R)
• M8: 3,245,975 km (0.113 R)
• M9: 3,968,532 km (0.077 R)
• M10: 4,486,141 km (0.109 R)
• M11: 5,550,081 km (0.084 R)
• M12: 6,085,342 km (0.114 R)
• M13: 7,551,252 km (0.083 R)
• M14: 10,403,335 km (0.036 R)
• M15: 12,125,207 km (0.093 R)
• M16: 12,301,283 km (0.048 R)
• M17: 13,519,309 km (0.095 R)
• M18: 15,424,887 km (0.061 R)
• M19: 15,631,631 km (0.106 R)
• M20: 17,577,002 km (0.115 R)
• M21: 21,337,892 km (0.086 R)
• M22: 26,379,640 km (0.049 R)
• M23: 27,475,145 km (0.063 R)
• M24: 34,809,629 km (0.055 R)
• M25: 36,981,342 km (0.109 R)
• M26: 40,405,637 km (0.084 R)
• M27: 47,730,397 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.3

Radius: 6.4

Gravity: 22.54 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.43 AU - 11.03 AU

Year: 20950 Days

Day: 16.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,399,012 km

• M1: 79,736 km (0.038 R)
• M2: 505,042 km (0.071 R)
• M3: 1,106,127 km (0.065 R)
• M4: 1,709,754 km (0.118 R)
• M5: 2,148,525 km (0.117 R)
• M6: 3,365,055 km (0.099 R)
• M7: 9,598,349 km (0.032 R)
• M8: 10,648,227 km (0.098 R)
• M9: 11,909,786 km (0.077 R)
• M10: 12,117,727 km (0.065 R)
• M11: 12,328,211 km (0.095 R)
• M12: 13,642,129 km (0.027 R)
• M13: 13,946,261 km (0.069 R)
• M14: 15,535,589 km (0.103 R)
• M15: 16,545,076 km (0.115 R)
• M16: 18,415,797 km (0.064 R)
• M17: 20,621,618 km (0.094 R)
• M18: 20,821,480 km (0.069 R)
• M19: 22,151,555 km (0.096 R)
• M20: 22,784,055 km (0.119 R)
• M21: 24,529,862 km (0.1 R)
• M22: 28,285,367 km (0.078 R)
• M23: 31,473,148 km (0.104 R)
• M24: 33,221,798 km (0.061 R)
• M25: 34,329,570 km (0.059 R)
• M26: 35,892,568 km (0.077 R)
• M27: 43,107,225 km (0.1 R)
• M28: 44,757,738 km (0.095 R)
• M29: 54,785,433 km (0.113 R)
• M30: 57,310,047 km (0.089 R)
• M31: 69,073,675 km (0.082 R)
• M32: 71,787,829 km (0.113 R)
• M33: 84,117,985 km (0.083 R)

Asteroid Belt

Center: 9.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.2

Radius: 5

Gravity: 28.13 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 9.07 AU - 11.43 AU

Year: 22652 Days

Day: 17.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 83,399,012 km

• M1: 62,682 km (0.087 R)
• M2: 295,755 km (0.082 R)
• M3: 699,370 km (0.04 R)
• M4: 1,076,207 km (0.072 R)
• M5: 1,272,779 km (0.098 R)
• M6: 2,115,763 km (0.04 R)
• M7: 2,544,809 km (0.101 R)
• M8: 2,922,993 km (0.119 R)
• M9: 3,084,409 km (0.064 R)
• M10: 3,280,233 km (0.078 R)
• M11: 4,215,369 km (0.088 R)
• M12: 5,005,694 km (0.088 R)
• M13: 5,476,180 km (0.054 R)
• M14: 5,847,930 km (0.064 R)
• M15: 6,018,472 km (0.077 R)
• M16: 7,112,780 km (0.037 R)
• M17: 9,163,917 km (0.113 R)
• M18: 11,116,917 km (0.112 R)
• M19: 11,779,935 km (0.089 R)
• M20: 15,658,559 km (0.096 R)
• M21: 15,822,817 km (0.113 R)
• M22: 19,352,579 km (0.066 R)
• M23: 20,801,285 km (0.109 R)
• M24: 22,217,079 km (0.069 R)
• M25: 25,014,709 km (0.045 R)
• M26: 40,684,188 km (0.084 R)
• M27: 43,051,425 km (0.115 R)
• M28: 46,011,368 km (0.06 R)
• M29: 47,198,278 km (0.114 R)
• M30: 47,541,007 km (0.098 R)
• M31: 47,885,530 km (0.094 R)
• M32: 52,149,967 km (0.111 R)
• M33: 53,254,149 km (0.083 R)
• M34: 57,436,756 km (0.112 R)
• M35: 59,010,376 km (0.117 R)
• M36: 60,814,676 km (0.104 R)
• M37: 63,277,356 km (0.111 R)
• M38: 69,059,763 km (0.066 R)
• M39: 69,501,525 km (0.105 R)
• M40: 70,390,884 km (0.091 R)
• M41: 81,414,901 km (0.099 R)
• M42: 83,149,189 km (0.08 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 18,752 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit