🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.5

Radius: 12.7

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.75 AU - 0.81 AU

Year: 476 Days

Day: 8.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,723,168 km

• M1: 158,125 km (0.1 R)
• M2: 395,238 km (0.117 R)
• M3: 660,026 km (0.097 R)
• M4: 1,002,306 km (0.09 R)
• M5: 1,311,076 km (0.088 R)
• M6: 1,689,858 km (0.109 R)
• M7: 2,172,311 km (0.091 R)
• M8: 3,019,483 km (0.119 R)
• M9: 4,262,492 km (0.113 R)
• M10: 4,866,269 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.9

Radius: 9.2

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.39 AU - 1.45 AU

Year: 1168 Days

Day: 11 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,723,168 km

• M1: 160,070 km (0.096 R)
• M2: 498,909 km (0.103 R)
• M3: 685,158 km (0.105 R)
• M4: 1,074,711 km (0.111 R)
• M5: 1,249,591 km (0.05 R)
• M6: 1,530,985 km (0.025 R)
• M7: 2,055,624 km (0.037 R)
• M8: 2,979,391 km (0.084 R)
• M9: 3,681,155 km (0.082 R)
• M10: 4,685,555 km (0.093 R)
• M11: 4,870,308 km (0.083 R)
• M12: 5,628,769 km (0.076 R)
• M13: 7,048,902 km (0.082 R)
• M14: 7,662,553 km (0.09 R)
• M15: 9,116,644 km (0.112 R)
• M16: 9,947,510 km (0.109 R)
• M17: 10,885,190 km (0.045 R)
• M18: 12,710,882 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.8

Radius: 13.6

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.96 AU - 2.72 AU

Year: 2471 Days

Day: 8.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 174.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,723,168 km

• M1: 170,691 km (0.109 R)
• M2: 520,002 km (0.063 R)
• M3: 885,171 km (0.112 R)
• M4: 1,321,248 km (0.091 R)
• M5: 1,583,194 km (0.071 R)
• M6: 1,872,068 km (0.055 R)
• M7: 2,264,313 km (0.086 R)
• M8: 3,186,285 km (0.109 R)
• M9: 4,027,025 km (0.12 R)
• M10: 4,439,915 km (0.113 R)
• M11: 4,816,004 km (0.098 R)
• M12: 5,148,112 km (0.112 R)
• M13: 5,615,754 km (0.079 R)
• M14: 6,147,874 km (0.099 R)
• M15: 6,704,827 km (0.084 R)
• M16: 7,574,589 km (0.082 R)
• M17: 8,731,579 km (0.103 R)
• M18: 9,260,856 km (0.057 R)
• M19: 10,338,559 km (0.102 R)
• M20: 10,885,339 km (0.073 R)
• M21: 11,626,747 km (0.074 R)
• M22: 15,045,656 km (0.087 R)
• M23: 15,705,682 km (0.083 R)
• M24: 17,399,728 km (0.105 R)
• M25: 18,794,878 km (0.065 R)
• M26: 19,926,436 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.1

Radius: 12.3

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.08 AU - 3.1 AU

Year: 2877 Days

Day: 8.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,723,168 km

• M1: 198,068 km (0.113 R)
• M2: 477,516 km (0.11 R)
• M3: 837,449 km (0.08 R)
• M4: 1,160,281 km (0.085 R)
• M5: 1,721,273 km (0.049 R)
• M6: 2,714,304 km (0.073 R)
• M7: 3,104,305 km (0.044 R)
• M8: 3,690,131 km (0.054 R)
• M9: 4,056,197 km (0.094 R)
• M10: 4,365,864 km (0.047 R)
• M11: 5,100,539 km (0.098 R)
• M12: 6,068,886 km (0.032 R)
• M13: 6,840,363 km (0.094 R)
• M14: 7,100,065 km (0.116 R)
• M15: 8,035,201 km (0.095 R)
• M16: 11,989,671 km (0.091 R)
• M17: 13,266,788 km (0.066 R)
• M18: 13,662,624 km (0.073 R)
• M19: 14,064,294 km (0.069 R)
• M20: 14,816,173 km (0.081 R)
• M21: 15,410,675 km (0.09 R)
• M22: 16,306,467 km (0.081 R)
• M23: 16,671,935 km (0.088 R)
• M24: 18,872,071 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.1

Radius: 14.3

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.44 AU - 2.82 AU

Year: 2944 Days

Day: 6.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,723,168 km

• M1: 182,061 km (0.09 R)
• M2: 1,138,141 km (0.104 R)
• M3: 2,070,883 km (0.103 R)
• M4: 2,386,535 km (0.115 R)
• M5: 2,664,936 km (0.109 R)
• M6: 3,468,127 km (0.116 R)
• M7: 9,285,091 km (0.055 R)
• M8: 9,902,332 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.3

Radius: 12.8

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.14 AU - 4.64 AU

Year: 6349 Days

Day: 9.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,723,168 km

• M1: 167,250 km (0.082 R)
• M2: 436,078 km (0.1 R)
• M3: 744,848 km (0.075 R)
• M4: 1,168,060 km (0.112 R)
• M5: 1,436,140 km (0.066 R)
• M6: 1,735,634 km (0.072 R)
• M7: 3,397,966 km (0.116 R)
• M8: 4,315,899 km (0.064 R)
• M9: 4,740,607 km (0.1 R)
• M10: 8,989,037 km (0.056 R)
• M11: 10,124,933 km (0.086 R)
• M12: 12,060,431 km (0.094 R)
• M13: 12,518,499 km (0.097 R)
• M14: 14,033,627 km (0.06 R)
• M15: 16,446,341 km (0.09 R)
• M16: 16,883,616 km (0.079 R)
• M17: 18,741,920 km (0.112 R)
• M18: 19,104,546 km (0.051 R)
• M19: 19,840,118 km (0.109 R)
• M20: 21,079,238 km (0.081 R)
• M21: 21,629,758 km (0.054 R)
• M22: 23,728,765 km (0.098 R)
• M23: 24,019,883 km (0.087 R)
• M24: 25,322,282 km (0.083 R)
• M25: 25,865,023 km (0.066 R)
• M26: 26,108,120 km (0.103 R)
• M27: 28,410,730 km (0.111 R)
• M28: 32,488,768 km (0.063 R)
• M29: 35,407,422 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.5

Radius: 14.7

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4 AU - 6.34 AU

Year: 8114 Days

Day: 11.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,723,168 km

• M1: 197,918 km (0.106 R)
• M2: 486,343 km (0.069 R)
• M3: 892,800 km (0.089 R)
• M4: 2,787,308 km (0.112 R)
• M5: 3,382,857 km (0.051 R)
• M6: 4,142,066 km (0.088 R)
• M7: 4,897,236 km (0.095 R)
• M8: 5,536,767 km (0.087 R)
• M9: 6,153,409 km (0.049 R)
• M10: 7,005,369 km (0.09 R)
• M11: 7,699,204 km (0.115 R)
• M12: 8,204,994 km (0.09 R)
• M13: 8,841,384 km (0.089 R)
• M14: 10,104,887 km (0.094 R)
• M15: 10,392,863 km (0.047 R)
• M16: 11,195,007 km (0.08 R)
• M17: 12,296,646 km (0.059 R)
• M18: 12,844,024 km (0.101 R)
• M19: 14,855,368 km (0.118 R)
• M20: 15,660,653 km (0.065 R)
• M21: 16,539,690 km (0.096 R)
• M22: 17,713,435 km (0.057 R)
• M23: 18,983,970 km (0.101 R)
• M24: 20,298,935 km (0.083 R)
• M25: 22,507,598 km (0.071 R)
• M26: 23,248,706 km (0.101 R)
• M27: 24,128,491 km (0.1 R)
• M28: 25,675,034 km (0.092 R)
• M29: 27,405,133 km (0.107 R)
• M30: 27,744,272 km (0.094 R)
• M31: 30,748,346 km (0.092 R)
• M32: 34,740,665 km (0.091 R)
• M33: 38,736,274 km (0.09 R)
• M34: 39,139,740 km (0.112 R)
• M35: 40,116,763 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.1

Radius: 5

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.64 AU - 9.02 AU

Year: 13698 Days

Day: 18 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,723,168 km

• M1: 218,413 km (0.081 R)
• M2: 448,943 km (0.081 R)
• M3: 636,689 km (0.096 R)
• M4: 2,643,394 km (0.108 R)
• M5: 3,329,001 km (0.069 R)
• M6: 3,739,199 km (0.104 R)
• M7: 3,889,694 km (0.064 R)
• M8: 3,991,870 km (0.08 R)
• M9: 5,622,636 km (0.061 R)
• M10: 5,745,605 km (0.11 R)
• M11: 19,524,916 km (0.098 R)
• M12: 25,594,999 km (0.034 R)
• M13: 28,006,217 km (0.103 R)
• M14: 30,383,477 km (0.112 R)
• M15: 30,526,194 km (0.053 R)
• M16: 37,065,416 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970

Radius: 4.5

Gravity: 47.9 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.43 AU - 9.07 AU

Year: 16357 Days

Day: 16.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 74,723,168 km

• M1: 60,737 km (0.109 R)
• M2: 227,987 km (0.111 R)
• M3: 401,221 km (0.058 R)
• M4: 582,833 km (0.089 R)
• M5: 2,583,854 km (0.03 R)
• M6: 3,163,247 km (0.101 R)
• M7: 3,507,472 km (0.113 R)
• M8: 3,637,023 km (0.067 R)
• M9: 3,903,457 km (0.116 R)
• M10: 4,835,302 km (0.092 R)
• M11: 5,785,099 km (0.12 R)
• M12: 7,093,333 km (0.045 R)
• M13: 8,039,988 km (0.081 R)
• M14: 8,891,798 km (0.068 R)
• M15: 9,840,698 km (0.087 R)
• M16: 11,824,216 km (0.043 R)
• M17: 12,002,686 km (0.066 R)
• M18: 13,039,698 km (0.077 R)
• M19: 14,119,945 km (0.061 R)
• M20: 14,709,360 km (0.119 R)
• M21: 15,176,106 km (0.046 R)
• M22: 17,764,747 km (0.117 R)
• M23: 18,056,762 km (0.1 R)
• M24: 19,936,609 km (0.094 R)
• M25: 23,304,655 km (0.115 R)
• M26: 24,485,880 km (0.064 R)
• M27: 26,047,682 km (0.111 R)
• M28: 26,312,620 km (0.103 R)
• M29: 29,597,340 km (0.042 R)
• M30: 30,258,563 km (0.099 R)
• M31: 32,090,090 km (0.107 R)
• M32: 33,975,472 km (0.05 R)
• M33: 38,441,566 km (0.061 R)
• M34: 40,722,934 km (0.113 R)
• M35: 46,773,869 km (0.115 R)
• M36: 53,876,177 km (0.113 R)
• M37: 55,794,770 km (0.097 R)
• M38: 58,669,443 km (0.109 R)
• M39: 59,199,917 km (0.05 R)
• M40: 65,471,658 km (0.042 R)
• M41: 66,594,539 km (0.104 R)
• M42: 71,327,966 km (0.11 R)
• M43: 74,723,239 km (0.094 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 16,049 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit