🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.2

Radius: 9.4

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.56 AU - 1.68 AU

Year: 1353 Days

Day: 11.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,472,654 km

• M1: 119,828 km (0.099 R)
• M2: 463,753 km (0.109 R)
• M3: 795,711 km (0.108 R)
• M4: 1,261,260 km (0.116 R)
• M5: 1,579,903 km (0.111 R)
• M6: 2,122,495 km (0.045 R)
• M7: 3,086,354 km (0.104 R)
• M8: 3,739,049 km (0.039 R)
• M9: 4,629,306 km (0.083 R)
• M10: 5,359,194 km (0.117 R)
• M11: 6,559,567 km (0.116 R)
• M12: 7,122,055 km (0.087 R)
• M13: 7,479,894 km (0.047 R)
• M14: 7,930,632 km (0.078 R)
• M15: 8,287,273 km (0.086 R)
• M16: 9,211,489 km (0.084 R)
• M17: 9,667,613 km (0.118 R)
• M18: 11,470,417 km (0.092 R)
• M19: 11,785,470 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.7

Radius: 12.6

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2 AU - 2.16 AU

Year: 1968 Days

Day: 14 Hours

Environment

Temp: -189 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,472,654 km

• M1: 156,629 km (0.11 R)
• M2: 624,422 km (0.086 R)
• M3: 1,311,076 km (0.068 R)
• M4: 1,730,249 km (0.106 R)
• M5: 2,215,993 km (0.1 R)
• M6: 3,163,546 km (0.032 R)
• M7: 3,916,472 km (0.066 R)
• M8: 4,442,907 km (0.09 R)
• M9: 6,773,343 km (0.089 R)
• M10: 9,197,127 km (0.087 R)
• M11: 9,960,226 km (0.089 R)
• M12: 10,410,067 km (0.098 R)
• M13: 12,150,489 km (0.037 R)
• M14: 12,744,841 km (0.091 R)
• M15: 13,778,413 km (0.108 R)
• M16: 15,272,746 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.4

Radius: 8.7

Gravity: 12.54 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.5 AU - 2.88 AU

Year: 2894 Days

Day: 12 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,472,654 km

• M1: 108,159 km (0.1 R)
• M2: 417,976 km (0.041 R)
• M3: 870,809 km (0.102 R)
• M4: 1,249,292 km (0.056 R)
• M5: 1,869,824 km (0.107 R)
• M6: 2,286,304 km (0.069 R)
• M7: 2,846,548 km (0.033 R)
• M8: 3,213,961 km (0.096 R)
• M9: 3,573,295 km (0.109 R)
• M10: 4,173,930 km (0.051 R)
• M11: 7,888,146 km (0.109 R)
• M12: 9,771,284 km (0.115 R)
• M13: 10,165,026 km (0.114 R)
• M14: 10,447,018 km (0.064 R)
• M15: 11,453,662 km (0.052 R)
• M16: 11,980,545 km (0.092 R)
• M17: 14,251,441 km (0.092 R)
• M18: 15,647,488 km (0.104 R)
• M19: 18,769,596 km (0.116 R)
• M20: 19,688,277 km (0.048 R)
• M21: 20,508,372 km (0.118 R)

Asteroid Belt

Center: 4.86 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.7

Radius: 5.7

Gravity: 28.28 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.7 AU - 8.34 AU

Year: 12202 Days

Day: 19 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,472,654 km

• M1: 71,807 km (0.073 R)
• M2: 299,794 km (0.081 R)
• M3: 477,965 km (0.081 R)
• M4: 883,675 km (0.1 R)
• M5: 2,525,062 km (0.074 R)
• M6: 3,405,147 km (0.048 R)
• M7: 4,698,869 km (0.084 R)
• M8: 6,491,351 km (0.095 R)
• M9: 11,833,640 km (0.027 R)
• M10: 12,452,676 km (0.076 R)
• M11: 16,023,578 km (0.064 R)
• M12: 20,048,658 km (0.101 R)
• M13: 22,855,563 km (0.103 R)
• M14: 24,899,219 km (0.115 R)
• M15: 27,701,487 km (0.05 R)
• M16: 49,034,442 km (0.03 R)
• M17: 49,349,944 km (0.115 R)
• M18: 49,666,792 km (0.085 R)
• M19: 49,985,137 km (0.058 R)
• M20: 52,086,987 km (0.073 R)
• M21: 58,390,742 km (0.117 R)
• M22: 60,177,688 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.9

Radius: 6.8

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.15 AU - 8.51 AU

Year: 13019 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,472,654 km

• M1: 86,916 km (0.046 R)
• M2: 340,036 km (0.071 R)
• M3: 822,938 km (0.099 R)
• M4: 1,163,273 km (0.069 R)
• M5: 1,580,352 km (0.102 R)
• M6: 2,312,035 km (0.115 R)
• M7: 3,673,226 km (0.083 R)
• M8: 4,390,847 km (0.081 R)
• M9: 4,845,475 km (0.117 R)
• M10: 7,730,171 km (0.094 R)
• M11: 8,621,924 km (0.062 R)
• M12: 9,780,110 km (0.094 R)
• M13: 12,401,813 km (0.106 R)
• M14: 15,321,515 km (0.106 R)
• M15: 15,733,358 km (0.119 R)
• M16: 18,131,262 km (0.093 R)
• M17: 18,514,681 km (0.064 R)
• M18: 21,436,776 km (0.116 R)
• M19: 22,125,525 km (0.107 R)
• M20: 22,563,398 km (0.107 R)
• M21: 26,768,295 km (0.117 R)
• M22: 28,897,970 km (0.096 R)
• M23: 32,020,975 km (0.117 R)
• M24: 32,694,016 km (0.073 R)
• M25: 33,148,046 km (0.082 R)
• M26: 37,301,182 km (0.072 R)
• M27: 39,438,038 km (0.087 R)
• M28: 39,952,505 km (0.086 R)
• M29: 42,591,860 km (0.049 R)
• M30: 44,507,162 km (0.111 R)
• M31: 44,785,414 km (0.078 R)
• M32: 47,777,222 km (0.115 R)
• M33: 49,694,468 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545

Radius: 6

Gravity: 15.14 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.81 AU - 9.21 AU

Year: 13501 Days

Day: 19.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,472,654 km

• M1: 74,649 km (0.059 R)
• M2: 369,956 km (0.101 R)
• M3: 994,377 km (0.077 R)
• M4: 1,201,420 km (0.106 R)
• M5: 2,417,651 km (0.113 R)
• M6: 3,388,541 km (0.092 R)
• M7: 6,606,392 km (0.119 R)
• M8: 7,052,492 km (0.096 R)
• M9: 11,895,275 km (0.096 R)
• M10: 12,925,256 km (0.098 R)
• M11: 17,951,146 km (0.08 R)
• M12: 18,979,332 km (0.036 R)
• M13: 19,221,980 km (0.088 R)
• M14: 25,885,518 km (0.059 R)
• M15: 26,184,115 km (0.095 R)
• M16: 26,686,914 km (0.109 R)
• M17: 27,711,659 km (0.086 R)
• M18: 28,233,756 km (0.087 R)
• M19: 28,868,799 km (0.115 R)
• M20: 29,621,874 km (0.097 R)
• M21: 30,831,523 km (0.118 R)
• M22: 31,504,863 km (0.086 R)
• M23: 32,881,313 km (0.078 R)
• M24: 38,528,932 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719

Radius: 7.1

Gravity: 14.26 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.84 AU - 8.46 AU

Year: 13880 Days

Day: 19.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,472,654 km

• M1: 88,412 km (0.111 R)
• M2: 579,841 km (0.103 R)
• M3: 989,291 km (0.085 R)
• M4: 1,891,515 km (0.117 R)
• M5: 3,435,814 km (0.058 R)
• M6: 5,174,291 km (0.119 R)
• M7: 5,458,078 km (0.037 R)
• M8: 6,213,248 km (0.067 R)
• M9: 6,824,056 km (0.106 R)
• M10: 9,150,453 km (0.07 R)
• M11: 10,947,123 km (0.076 R)
• M12: 11,238,540 km (0.083 R)
• M13: 11,655,170 km (0.111 R)
• M14: 13,293,267 km (0.057 R)
• M15: 14,653,560 km (0.106 R)
• M16: 19,885,596 km (0.105 R)
• M17: 22,119,691 km (0.053 R)
• M18: 22,774,032 km (0.054 R)
• M19: 23,731,159 km (0.115 R)
• M20: 25,115,687 km (0.071 R)
• M21: 29,704,303 km (0.095 R)
• M22: 41,335,537 km (0.094 R)
• M23: 42,614,150 km (0.043 R)
• M24: 44,065,399 km (0.079 R)
• M25: 45,549,260 km (0.06 R)
• M26: 47,837,210 km (0.106 R)
• M27: 50,040,637 km (0.082 R)
• M28: 51,492,335 km (0.118 R)
• M29: 53,304,564 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.2

Radius: 7.7

Gravity: 15.84 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 7.54 AU - 8.74 AU

Year: 15235 Days

Day: 23.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,472,654 km

• M1: 95,743 km (0.117 R)
• M2: 347,965 km (0.118 R)
• M3: 667,506 km (0.045 R)
• M4: 1,304,942 km (0.074 R)
• M5: 1,777,671 km (0.08 R)
• M6: 2,381,299 km (0.095 R)
• M7: 3,380,762 km (0.105 R)
• M8: 3,691,178 km (0.108 R)
• M9: 4,468,040 km (0.069 R)
• M10: 4,842,633 km (0.117 R)
• M11: 7,038,879 km (0.111 R)
• M12: 8,430,139 km (0.107 R)
• M13: 9,109,762 km (0.105 R)
• M14: 9,825,439 km (0.104 R)
• M15: 10,284,255 km (0.118 R)
• M16: 11,874,181 km (0.119 R)
• M17: 12,263,136 km (0.079 R)
• M18: 12,593,747 km (0.085 R)
• M19: 13,691,796 km (0.095 R)
• M20: 15,842,714 km (0.089 R)
• M21: 26,595,509 km (0.03 R)
• M22: 33,508,577 km (0.082 R)
• M23: 38,775,319 km (0.086 R)
• M24: 39,059,406 km (0.045 R)
• M25: 41,678,715 km (0.07 R)
• M26: 41,976,863 km (0.09 R)
• M27: 43,488,699 km (0.111 R)
• M28: 45,350,295 km (0.107 R)
• M29: 61,036,530 km (0.099 R)
• M30: 62,975,168 km (0.115 R)
• M31: 63,564,734 km (0.078 R)
• M32: 66,567,462 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.2

Radius: 3.5

Gravity: 51.85 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.23 AU - 8.73 AU

Year: 16200 Days

Day: 22.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,472,654 km

• M1: 43,533 km (0.101 R)
• M2: 338,241 km (0.051 R)
• M3: 640,279 km (0.081 R)
• M4: 807,230 km (0.069 R)
• M5: 1,026,241 km (0.114 R)
• M6: 1,215,632 km (0.092 R)
• M7: 2,115,463 km (0.107 R)
• M8: 3,551,005 km (0.112 R)
• M9: 5,095,004 km (0.12 R)
• M10: 5,644,926 km (0.109 R)
• M11: 6,438,244 km (0.07 R)
• M12: 7,577,282 km (0.081 R)
• M13: 7,763,681 km (0.048 R)
• M14: 8,000,943 km (0.115 R)
• M15: 9,854,311 km (0.072 R)
• M16: 10,132,563 km (0.051 R)
• M17: 10,358,755 km (0.097 R)
• M18: 11,057,975 km (0.098 R)
• M19: 11,177,504 km (0.09 R)
• M20: 13,683,717 km (0.115 R)
• M21: 15,473,207 km (0.095 R)
• M22: 16,933,282 km (0.081 R)
• M23: 17,171,891 km (0.08 R)
• M24: 17,493,526 km (0.116 R)
• M25: 18,398,743 km (0.113 R)
• M26: 19,076,421 km (0.055 R)
• M27: 20,123,906 km (0.076 R)
• M28: 23,891,678 km (0.098 R)
• M29: 25,835,552 km (0.075 R)
• M30: 28,103,606 km (0.065 R)
• M31: 42,324,230 km (0.063 R)
• M32: 43,354,211 km (0.094 R)
• M33: 46,855,998 km (0.061 R)
• M34: 50,213,722 km (0.095 R)
• M35: 53,728,225 km (0.067 R)
• M36: 59,028,328 km (0.084 R)
• M37: 59,210,688 km (0.11 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 18,266 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit