🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.4

Radius: 8.4

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.52 AU - 0.7 AU

Year: 335 Days

Day: 11.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 58.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,233,901 km

• M1: 110,254 km (0.107 R)
• M2: 335,249 km (0.104 R)
• M3: 628,760 km (0.032 R)
• M4: 883,525 km (0.038 R)
• M5: 1,113,457 km (0.049 R)
• M6: 1,409,511 km (0.099 R)
• M7: 1,679,535 km (0.12 R)
• M8: 1,962,275 km (0.072 R)
• M9: 2,201,482 km (0.075 R)
• M10: 2,656,409 km (0.074 R)
• M11: 2,966,376 km (0.12 R)
• M12: 3,511,212 km (0.117 R)
• M13: 3,805,770 km (0.072 R)
• M14: 4,048,418 km (0.106 R)
• M15: 4,270,570 km (0.113 R)
• M16: 4,624,968 km (0.093 R)
• M17: 4,892,748 km (0.062 R)
• M18: 5,199,274 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.6

Radius: 12.4

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.89 AU - 1.19 AU

Year: 746 Days

Day: 11.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,233,901 km

• M1: 154,385 km (0.12 R)
• M2: 399,277 km (0.092 R)
• M3: 692,339 km (0.073 R)
• M4: 1,050,027 km (0.101 R)
• M5: 1,528,142 km (0.085 R)
• M6: 1,779,317 km (0.064 R)
• M7: 2,158,847 km (0.099 R)
• M8: 2,444,280 km (0.111 R)
• M9: 2,874,224 km (0.092 R)
• M10: 3,304,617 km (0.111 R)
• M11: 3,612,190 km (0.097 R)
• M12: 4,075,046 km (0.102 R)
• M13: 4,481,354 km (0.117 R)
• M14: 4,941,068 km (0.115 R)
• M15: 5,424,120 km (0.112 R)
• M16: 6,179,439 km (0.101 R)
• M17: 6,511,247 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.3

Radius: 11.3

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.45 AU - 1.71 AU

Year: 1396 Days

Day: 8 Hours

Environment

Temp: -184 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,233,901 km

• M1: 206,894 km (0.095 R)
• M2: 625,469 km (0.104 R)
• M3: 881,730 km (0.113 R)
• M4: 1,231,639 km (0.114 R)
• M5: 1,744,910 km (0.105 R)
• M6: 2,042,310 km (0.081 R)
• M7: 2,397,904 km (0.084 R)
• M8: 3,698,658 km (0.108 R)
• M9: 4,939,273 km (0.049 R)
• M10: 5,843,143 km (0.083 R)
• M11: 6,081,303 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.2

Radius: 13.6

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.92 AU - 2.94 AU

Year: 3525 Days

Day: 9.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,233,901 km

• M1: 169,195 km (0.061 R)
• M2: 545,284 km (0.066 R)
• M3: 830,867 km (0.085 R)
• M4: 1,452,745 km (0.095 R)
• M5: 1,878,800 km (0.115 R)
• M6: 2,132,667 km (0.088 R)
• M7: 2,416,903 km (0.05 R)
• M8: 2,747,514 km (0.088 R)
• M9: 3,086,204 km (0.1 R)
• M10: 4,244,840 km (0.088 R)
• M11: 5,169,205 km (0.097 R)
• M12: 5,756,975 km (0.091 R)
• M13: 6,271,592 km (0.034 R)
• M14: 6,634,666 km (0.102 R)
• M15: 7,346,303 km (0.069 R)
• M16: 7,810,056 km (0.108 R)
• M17: 8,532,763 km (0.102 R)
• M18: 8,830,912 km (0.077 R)
• M19: 9,288,083 km (0.058 R)
• M20: 10,980,633 km (0.07 R)
• M21: 11,319,472 km (0.106 R)
• M22: 12,817,246 km (0.101 R)
• M23: 13,306,581 km (0.093 R)
• M24: 13,773,775 km (0.054 R)
• M25: 15,158,453 km (0.112 R)
• M26: 18,128,868 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.1

Radius: 14

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.46 AU - 4.78 AU

Year: 5878 Days

Day: 10.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,233,901 km

• M1: 176,675 km (0.105 R)
• M2: 490,831 km (0.088 R)
• M3: 925,861 km (0.099 R)
• M4: 1,192,145 km (0.059 R)
• M5: 1,464,114 km (0.12 R)
• M6: 1,793,678 km (0.06 R)
• M7: 2,175,303 km (0.039 R)
• M8: 2,565,603 km (0.114 R)
• M9: 2,990,761 km (0.078 R)
• M10: 5,519,713 km (0.109 R)
• M11: 6,221,327 km (0.097 R)
• M12: 6,834,678 km (0.034 R)
• M13: 7,670,631 km (0.091 R)
• M14: 8,409,943 km (0.068 R)
• M15: 8,882,074 km (0.115 R)
• M16: 9,336,702 km (0.119 R)
• M17: 10,120,146 km (0.087 R)
• M18: 11,991,765 km (0.115 R)
• M19: 12,735,117 km (0.119 R)
• M20: 13,097,144 km (0.12 R)
• M21: 13,986,803 km (0.115 R)
• M22: 14,251,890 km (0.104 R)
• M23: 15,774,946 km (0.093 R)
• M24: 16,422,405 km (0.085 R)
• M25: 17,799,304 km (0.059 R)
• M26: 19,232,153 km (0.117 R)
• M27: 20,446,139 km (0.086 R)
• M28: 21,090,457 km (0.084 R)
• M29: 22,123,132 km (0.051 R)
• M30: 25,269,025 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.4

Radius: 4.4

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.37 AU - 7.99 AU

Year: 14961 Days

Day: 20 Hours

Environment

Temp: -231 °C

Axial Tilt: 106.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,233,901 km

• M1: 62,233 km (0.109 R)
• M2: 510,278 km (0.101 R)
• M3: 1,339,051 km (0.103 R)
• M4: 1,745,957 km (0.117 R)
• M5: 1,877,154 km (0.079 R)
• M6: 2,607,341 km (0.081 R)
• M7: 3,763,882 km (0.096 R)
• M8: 5,592,268 km (0.068 R)
• M9: 8,707,194 km (0.109 R)
• M10: 12,080,926 km (0.104 R)
• M11: 12,955,325 km (0.091 R)
• M12: 14,653,710 km (0.044 R)
• M13: 15,130,777 km (0.07 R)
• M14: 16,107,951 km (0.089 R)
• M15: 16,607,907 km (0.053 R)
• M16: 17,320,890 km (0.077 R)
• M17: 18,738,480 km (0.043 R)
• M18: 19,169,172 km (0.099 R)
• M19: 19,440,842 km (0.093 R)
• M20: 19,990,015 km (0.108 R)
• M21: 21,568,423 km (0.107 R)
• M22: 30,090,565 km (0.06 R)
• M23: 36,286,160 km (0.08 R)
• M24: 36,885,001 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373

Radius: 5.6

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.32 AU - 9.62 AU

Year: 20485 Days

Day: 20.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,233,901 km

• M1: 72,705 km (0.084 R)
• M2: 569,220 km (0.101 R)
• M3: 1,008,290 km (0.052 R)
• M4: 1,584,690 km (0.088 R)
• M5: 1,765,853 km (0.118 R)
• M6: 2,090,331 km (0.074 R)
• M7: 3,262,281 km (0.044 R)
• M8: 3,582,121 km (0.112 R)
• M9: 4,431,687 km (0.076 R)
• M10: 5,446,709 km (0.03 R)
• M11: 6,013,386 km (0.079 R)
• M12: 6,247,955 km (0.084 R)
• M13: 6,527,404 km (0.114 R)
• M14: 7,619,468 km (0.089 R)
• M15: 8,379,575 km (0.036 R)
• M16: 12,112,940 km (0.066 R)
• M17: 12,670,491 km (0.063 R)
• M18: 13,356,098 km (0.093 R)
• M19: 14,238,576 km (0.05 R)
• M20: 14,539,118 km (0.12 R)
• M21: 16,025,373 km (0.111 R)
• M22: 19,494,996 km (0.07 R)
• M23: 20,130,039 km (0.112 R)
• M24: 22,395,848 km (0.077 R)
• M25: 23,152,664 km (0.074 R)
• M26: 23,767,212 km (0.064 R)
• M27: 28,888,396 km (0.046 R)
• M28: 29,316,396 km (0.105 R)
• M29: 30,007,538 km (0.104 R)
• M30: 36,399,705 km (0.093 R)
• M31: 39,129,567 km (0.071 R)
• M32: 43,514,580 km (0.09 R)
• M33: 53,679,456 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.6

Radius: 5.1

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.58 AU - 12.42 AU

Year: 22228 Days

Day: 24.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 58,233,901 km

• M1: 63,429 km (0.095 R)
• M2: 170,990 km (0.082 R)
• M3: 493,673 km (0.064 R)
• M4: 957,875 km (0.1 R)
• M5: 1,443,021 km (0.035 R)
• M6: 1,666,371 km (0.118 R)
• M7: 2,321,011 km (0.036 R)
• M8: 2,604,349 km (0.096 R)
• M9: 3,008,264 km (0.079 R)
• M10: 3,498,346 km (0.064 R)
• M11: 3,846,012 km (0.039 R)
• M12: 4,148,499 km (0.109 R)
• M13: 5,125,672 km (0.066 R)
• M14: 5,872,165 km (0.118 R)
• M15: 6,283,559 km (0.086 R)
• M16: 7,728,525 km (0.061 R)
• M17: 11,223,131 km (0.091 R)
• M18: 11,530,854 km (0.115 R)
• M19: 17,724,057 km (0.076 R)
• M20: 18,963,026 km (0.114 R)
• M21: 19,095,869 km (0.06 R)
• M22: 20,175,517 km (0.12 R)
• M23: 20,657,222 km (0.094 R)
• M24: 22,713,594 km (0.117 R)
• M25: 25,325,723 km (0.073 R)
• M26: 28,404,297 km (0.11 R)
• M27: 28,566,910 km (0.058 R)
• M28: 31,147,473 km (0.066 R)
• M29: 42,190,489 km (0.115 R)
• M30: 43,991,498 km (0.12 R)
• M31: 47,076,804 km (0.108 R)
• M32: 52,451,856 km (0.108 R)
• M33: 53,673,322 km (0.076 R)
• M34: 53,785,072 km (0.055 R)
• M35: 56,846,144 km (0.115 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: 381 - 19,277 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit