🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.8

Radius: 10.7

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.64 AU - 1.02 AU

Year: 496 Days

Day: 14.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,014,453 km

• M1: 133,142 km (0.113 R)
• M2: 519,553 km (0.113 R)
• M3: 855,401 km (0.098 R)
• M4: 1,213,837 km (0.088 R)
• M5: 1,622,239 km (0.099 R)
• M6: 2,394,912 km (0.086 R)
• M7: 2,821,266 km (0.103 R)
• M8: 3,322,718 km (0.109 R)
• M9: 4,021,789 km (0.117 R)
• M10: 5,985,261 km (0.11 R)
• M11: 6,577,070 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.1

Radius: 11.9

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.06 AU - 1.34 AU

Year: 862 Days

Day: 5.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,014,453 km

• M1: 149,149 km (0.08 R)
• M2: 526,285 km (0.069 R)
• M3: 985,551 km (0.111 R)
• M4: 1,360,742 km (0.066 R)
• M5: 1,986,061 km (0.107 R)
• M6: 2,974,604 km (0.062 R)
• M7: 3,499,094 km (0.036 R)
• M8: 4,504,990 km (0.058 R)
• M9: 5,180,275 km (0.074 R)
• M10: 5,572,670 km (0.107 R)
• M11: 6,373,617 km (0.12 R)
• M12: 6,988,165 km (0.095 R)
• M13: 7,817,835 km (0.119 R)
• M14: 9,354,953 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.5

Radius: 14.4

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.31 AU - 2.09 AU

Year: 1454 Days

Day: 10.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,014,453 km

• M1: 179,667 km (0.079 R)
• M2: 724,502 km (0.088 R)
• M3: 1,270,535 km (0.112 R)
• M4: 1,844,991 km (0.095 R)
• M5: 2,775,041 km (0.032 R)
• M6: 3,378,518 km (0.07 R)
• M7: 3,845,712 km (0.097 R)
• M8: 4,356,140 km (0.061 R)
• M9: 5,176,386 km (0.082 R)
• M10: 5,689,955 km (0.075 R)
• M11: 6,214,146 km (0.059 R)
• M12: 7,360,066 km (0.068 R)
• M13: 8,672,039 km (0.071 R)
• M14: 9,306,633 km (0.103 R)
• M15: 10,432,806 km (0.033 R)
• M16: 12,610,652 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.9

Radius: 11.4

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.11 AU - 2.97 AU

Year: 2656 Days

Day: 12.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,014,453 km

• M1: 142,866 km (0.116 R)
• M2: 597,643 km (0.083 R)
• M3: 1,087,427 km (0.117 R)
• M4: 1,680,433 km (0.11 R)
• M5: 2,196,695 km (0.063 R)
• M6: 2,845,651 km (0.046 R)
• M7: 3,911,386 km (0.108 R)
• M8: 4,295,404 km (0.104 R)
• M9: 4,785,486 km (0.119 R)
• M10: 5,204,360 km (0.104 R)
• M11: 8,583,178 km (0.085 R)
• M12: 10,361,298 km (0.105 R)
• M13: 11,688,082 km (0.087 R)
• M14: 14,202,971 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424

Radius: 12.8

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.2 AU - 3.5 AU

Year: 3156 Days

Day: 11.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,014,453 km

• M1: 159,172 km (0.12 R)
• M2: 575,802 km (0.088 R)
• M3: 1,064,838 km (0.094 R)
• M4: 1,530,536 km (0.098 R)
• M5: 2,071,631 km (0.061 R)
• M6: 2,478,388 km (0.117 R)
• M7: 4,463,402 km (0.082 R)
• M8: 5,127,916 km (0.096 R)
• M9: 6,327,840 km (0.071 R)
• M10: 6,965,426 km (0.07 R)
• M11: 7,892,484 km (0.047 R)
• M12: 8,698,518 km (0.052 R)
• M13: 9,452,491 km (0.082 R)
• M14: 10,064,646 km (0.106 R)
• M15: 10,550,539 km (0.118 R)
• M16: 11,488,817 km (0.109 R)
• M17: 12,186,392 km (0.082 R)
• M18: 17,138,680 km (0.089 R)
• M19: 18,214,139 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.3

Radius: 5.9

Gravity: 20.98 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.89 AU - 8.99 AU

Year: 13313 Days

Day: 16.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,014,453 km

• M1: 74,350 km (0.101 R)
• M2: 353,949 km (0.065 R)
• M3: 686,505 km (0.048 R)
• M4: 954,434 km (0.085 R)
• M5: 2,123,841 km (0.094 R)
• M6: 2,567,698 km (0.089 R)
• M7: 2,880,956 km (0.064 R)
• M8: 3,120,163 km (0.06 R)
• M9: 4,034,206 km (0.108 R)
• M10: 4,242,596 km (0.078 R)
• M11: 5,046,535 km (0.115 R)
• M12: 5,394,948 km (0.082 R)
• M13: 7,036,485 km (0.117 R)
• M14: 7,339,122 km (0.029 R)
• M15: 8,588,713 km (0.089 R)
• M16: 9,392,951 km (0.094 R)
• M17: 9,813,172 km (0.052 R)
• M18: 12,228,728 km (0.096 R)
• M19: 13,244,647 km (0.084 R)
• M20: 16,028,813 km (0.115 R)
• M21: 17,088,864 km (0.108 R)
• M22: 21,889,011 km (0.115 R)
• M23: 24,349,447 km (0.06 R)
• M24: 29,923,763 km (0.115 R)
• M25: 40,131,873 km (0.081 R)
• M26: 40,543,865 km (0.03 R)
• M27: 41,097,677 km (0.072 R)
• M28: 46,763,696 km (0.099 R)
• M29: 47,372,709 km (0.11 R)
• M30: 50,178,866 km (0.11 R)
• M31: 51,784,649 km (0.043 R)
• M32: 59,080,986 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.4

Radius: 6.5

Gravity: 20.41 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.98 AU - 9.76 AU

Year: 14483 Days

Day: 19.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,014,453 km

• M1: 80,783 km (0.058 R)
• M2: 711,338 km (0.059 R)
• M3: 1,054,067 km (0.086 R)
• M4: 1,397,843 km (0.039 R)
• M5: 2,458,940 km (0.091 R)
• M6: 2,774,592 km (0.095 R)
• M7: 3,117,171 km (0.119 R)
• M8: 3,570,452 km (0.098 R)
• M9: 5,951,602 km (0.12 R)
• M10: 6,820,616 km (0.06 R)
• M11: 8,058,389 km (0.051 R)
• M12: 9,439,326 km (0.114 R)
• M13: 13,602,635 km (0.076 R)
• M14: 16,005,177 km (0.107 R)
• M15: 17,104,871 km (0.102 R)
• M16: 18,086,682 km (0.099 R)
• M17: 18,761,967 km (0.079 R)
• M18: 19,019,424 km (0.116 R)
• M19: 23,170,017 km (0.112 R)
• M20: 25,298,496 km (0.111 R)
• M21: 26,356,452 km (0.087 R)
• M22: 36,433,963 km (0.071 R)
• M23: 39,865,738 km (0.084 R)
• M24: 40,863,855 km (0.071 R)
• M25: 41,732,570 km (0.099 R)
• M26: 42,171,490 km (0.045 R)
• M27: 44,109,231 km (0.094 R)
• M28: 45,639,618 km (0.105 R)
• M29: 47,205,159 km (0.115 R)
• M30: 48,483,024 km (0.117 R)
• M31: 50,608,511 km (0.032 R)
• M32: 54,869,058 km (0.077 R)
• M33: 57,536,837 km (0.03 R)
• M34: 60,850,879 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314

Radius: 6.9

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.72 AU - 8.98 AU

Year: 15828 Days

Day: 17.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,014,453 km

• M1: 119,977 km (0.106 R)
• M2: 804,837 km (0.097 R)
• M3: 1,295,368 km (0.045 R)
• M4: 1,936,245 km (0.07 R)
• M5: 3,365,653 km (0.065 R)
• M6: 4,097,785 km (0.091 R)
• M7: 5,156,788 km (0.115 R)
• M8: 5,697,136 km (0.096 R)
• M9: 6,237,633 km (0.072 R)
• M10: 6,930,421 km (0.094 R)
• M11: 7,295,589 km (0.111 R)
• M12: 10,641,345 km (0.119 R)
• M13: 11,628,542 km (0.029 R)
• M14: 12,261,191 km (0.102 R)
• M15: 12,556,198 km (0.095 R)
• M16: 12,977,166 km (0.082 R)
• M17: 15,565,808 km (0.111 R)
• M18: 15,911,828 km (0.044 R)
• M19: 18,867,583 km (0.104 R)
• M20: 22,257,321 km (0.07 R)
• M21: 24,141,356 km (0.098 R)
• M22: 24,792,257 km (0.096 R)
• M23: 32,743,533 km (0.106 R)
• M24: 45,116,773 km (0.031 R)
• M25: 47,105,228 km (0.085 R)
• M26: 47,975,140 km (0.059 R)
• M27: 48,267,454 km (0.095 R)
• M28: 48,855,523 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.3

Radius: 6.4

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.37 AU - 8.43 AU

Year: 15971 Days

Day: 15.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,014,453 km

• M1: 80,184 km (0.096 R)
• M2: 302,936 km (0.071 R)
• M3: 692,489 km (0.118 R)
• M4: 1,177,036 km (0.12 R)
• M5: 1,596,658 km (0.067 R)
• M6: 2,560,966 km (0.076 R)
• M7: 4,788,927 km (0.094 R)
• M8: 7,881,414 km (0.096 R)
• M9: 8,153,084 km (0.099 R)
• M10: 12,827,419 km (0.097 R)
• M11: 13,781,554 km (0.051 R)
• M12: 14,713,998 km (0.029 R)
• M13: 16,852,350 km (0.042 R)
• M14: 17,917,786 km (0.077 R)
• M15: 19,108,435 km (0.063 R)
• M16: 19,764,571 km (0.112 R)
• M17: 28,002,777 km (0.116 R)
• M18: 30,149,805 km (0.1 R)
• M19: 31,489,305 km (0.079 R)
• M20: 37,882,519 km (0.072 R)
• M21: 44,230,854 km (0.029 R)
• M22: 53,641,308 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.8

Radius: 4.3

Gravity: 28.33 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.38 AU - 11.98 AU

Year: 19757 Days

Day: 23.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,014,453 km

• M1: 53,706 km (0.104 R)
• M2: 335,997 km (0.08 R)
• M3: 580,739 km (0.089 R)
• M4: 748,438 km (0.115 R)
• M5: 1,990,848 km (0.059 R)
• M6: 2,168,122 km (0.107 R)
• M7: 3,061,221 km (0.108 R)
• M8: 3,406,792 km (0.072 R)
• M9: 3,778,094 km (0.036 R)
• M10: 3,927,842 km (0.063 R)
• M11: 5,347,376 km (0.102 R)
• M12: 5,887,873 km (0.085 R)
• M13: 6,635,414 km (0.059 R)
• M14: 8,266,479 km (0.031 R)
• M15: 9,472,986 km (0.047 R)
• M16: 10,792,140 km (0.11 R)
• M17: 17,878,142 km (0.101 R)
• M18: 19,610,336 km (0.062 R)
• M19: 20,609,201 km (0.114 R)
• M20: 23,004,562 km (0.098 R)
• M21: 26,660,585 km (0.119 R)
• M22: 33,540,142 km (0.101 R)
• M23: 37,798,744 km (0.056 R)
• M24: 38,495,272 km (0.115 R)
• M25: 48,016,279 km (0.103 R)
• M26: 48,341,804 km (0.089 R)
• M27: 52,708,715 km (0.058 R)
• M28: 53,927,788 km (0.068 R)
• M29: 54,987,689 km (0.051 R)
• M30: 56,422,183 km (0.027 R)
• M31: 56,603,197 km (0.076 R)
• M32: 62,410,137 km (0.06 R)
• M33: 62,603,717 km (0.103 R)
• M34: 66,359,820 km (0.119 R)
• M35: 66,561,478 km (0.084 R)
• M36: 68,395,698 km (0.049 R)
• M37: 69,014,434 km (0.096 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: 349 - 18,890 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit