🌌 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: 924.4

Radius: 11.2

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.8 AU - 0.86 AU

Year: 532 Days

Day: 14.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,943,968 km

• M1: 139,425 km (0.05 R)
• M2: 505,491 km (0.119 R)
• M3: 892,501 km (0.077 R)
• M4: 1,388,867 km (0.069 R)
• M5: 1,968,110 km (0.071 R)
• M6: 2,329,837 km (0.084 R)
• M7: 3,153,523 km (0.034 R)
• M8: 3,987,232 km (0.115 R)
• M9: 4,448,442 km (0.088 R)
• M10: 4,879,135 km (0.087 R)
• M11: 5,285,143 km (0.099 R)
• M12: 5,861,693 km (0.039 R)
• M13: 6,580,362 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.3

Radius: 12.6

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.91 AU - 0.93 AU

Year: 620 Days

Day: 10.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,943,968 km

• M1: 156,629 km (0.076 R)
• M2: 556,654 km (0.056 R)
• M3: 1,061,846 km (0.066 R)
• M4: 1,859,053 km (0.075 R)
• M5: 2,771,899 km (0.065 R)
• M6: 3,181,049 km (0.095 R)
• M7: 3,684,895 km (0.058 R)
• M8: 4,596,095 km (0.109 R)
• M9: 5,105,327 km (0.111 R)
• M10: 6,198,737 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.5

Radius: 11.8

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.95 AU - 2.57 AU

Year: 2388 Days

Day: 8.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,943,968 km

• M1: 147,354 km (0.095 R)
• M2: 553,213 km (0.043 R)
• M3: 966,253 km (0.047 R)
• M4: 1,603,091 km (0.102 R)
• M5: 2,085,245 km (0.081 R)
• M6: 2,605,247 km (0.077 R)
• M7: 3,031,152 km (0.109 R)
• M8: 3,813,998 km (0.064 R)
• M9: 4,304,529 km (0.09 R)
• M10: 4,814,807 km (0.068 R)
• M11: 8,315,248 km (0.11 R)
• M12: 9,350,465 km (0.105 R)
• M13: 9,773,678 km (0.116 R)
• M14: 11,356,274 km (0.037 R)
• M15: 12,084,516 km (0.03 R)
• M16: 12,714,921 km (0.116 R)
• M17: 14,133,109 km (0.08 R)
• M18: 16,100,920 km (0.111 R)
• M19: 17,439,821 km (0.107 R)
• M20: 17,920,179 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508

Radius: 13.7

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.15 AU - 2.39 AU

Year: 2404 Days

Day: 9.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,943,968 km

• M1: 170,392 km (0.115 R)
• M2: 623,225 km (0.109 R)
• M3: 1,147,715 km (0.098 R)
• M4: 1,872,367 km (0.07 R)
• M5: 2,308,744 km (0.084 R)
• M6: 3,197,056 km (0.115 R)
• M7: 3,957,761 km (0.114 R)
• M8: 5,816,964 km (0.045 R)
• M9: 6,290,740 km (0.058 R)
• M10: 8,264,086 km (0.111 R)
• M11: 11,066,802 km (0.069 R)
• M12: 12,437,118 km (0.116 R)
• M13: 13,311,967 km (0.098 R)
• M14: 14,998,982 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.9

Radius: 8.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.37 AU - 4.63 AU

Year: 5623 Days

Day: 10 Hours

Environment

Temp: -215 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,943,968 km

• M1: 111,002 km (0.117 R)
• M2: 425,157 km (0.059 R)
• M3: 723,306 km (0.112 R)
• M4: 1,097,600 km (0.086 R)
• M5: 1,873,265 km (0.034 R)
• M6: 2,321,011 km (0.05 R)
• M7: 3,063,316 km (0.091 R)
• M8: 3,727,829 km (0.088 R)
• M9: 4,192,630 km (0.094 R)
• M10: 6,331,879 km (0.119 R)
• M11: 9,917,292 km (0.073 R)
• M12: 10,727,364 km (0.117 R)
• M13: 12,114,286 km (0.072 R)
• M14: 12,945,003 km (0.113 R)
• M15: 17,793,769 km (0.084 R)
• M16: 21,735,823 km (0.085 R)
• M17: 22,342,741 km (0.031 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.5

Radius: 14.6

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.61 AU - 4.53 AU

Year: 5772 Days

Day: 11.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,943,968 km

• M1: 182,509 km (0.054 R)
• M2: 636,539 km (0.065 R)
• M3: 1,693,597 km (0.117 R)
• M4: 2,485,120 km (0.087 R)
• M5: 3,493,559 km (0.109 R)
• M6: 4,126,208 km (0.108 R)
• M7: 5,990,946 km (0.109 R)
• M8: 7,593,139 km (0.053 R)
• M9: 9,076,252 km (0.089 R)
• M10: 13,394,395 km (0.113 R)
• M11: 16,167,790 km (0.078 R)
• M12: 23,186,473 km (0.105 R)
• M13: 24,065,660 km (0.043 R)
• M14: 25,657,381 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47

Radius: 14.6

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.31 AU - 5.09 AU

Year: 7162 Days

Day: 10 Hours

Environment

Temp: -213 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,943,968 km

• M1: 181,612 km (0.091 R)
• M2: 666,907 km (0.111 R)
• M3: 1,291,329 km (0.095 R)
• M4: 3,274,249 km (0.074 R)
• M5: 4,213,873 km (0.057 R)
• M6: 5,530,184 km (0.118 R)
• M7: 7,024,518 km (0.035 R)
• M8: 8,191,231 km (0.057 R)
• M9: 8,774,065 km (0.116 R)
• M10: 10,092,172 km (0.039 R)
• M11: 11,201,589 km (0.079 R)
• M12: 14,352,719 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.8

Radius: 3.9

Gravity: 36.41 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.46 AU - 6.62 AU

Year: 10434 Days

Day: 15.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,943,968 km

• M1: 48,769 km (0.116 R)
• M2: 206,445 km (0.071 R)
• M3: 388,805 km (0.08 R)
• M4: 636,539 km (0.112 R)
• M5: 855,101 km (0.03 R)
• M6: 1,469,201 km (0.114 R)
• M7: 2,101,551 km (0.119 R)
• M8: 3,142,303 km (0.116 R)
• M9: 4,037,946 km (0.092 R)
• M10: 4,544,335 km (0.112 R)
• M11: 4,722,206 km (0.068 R)
• M12: 4,997,616 km (0.093 R)
• M13: 5,784,501 km (0.026 R)
• M14: 7,436,061 km (0.092 R)
• M15: 8,237,457 km (0.11 R)
• M16: 9,472,986 km (0.116 R)
• M17: 11,742,685 km (0.116 R)
• M18: 13,422,071 km (0.076 R)
• M19: 13,788,436 km (0.098 R)
• M20: 14,992,549 km (0.084 R)
• M21: 16,265,178 km (0.107 R)
• M22: 19,485,272 km (0.109 R)
• M23: 19,797,483 km (0.048 R)
• M24: 20,592,745 km (0.08 R)
• M25: 28,031,350 km (0.086 R)
• M26: 28,629,592 km (0.066 R)
• M27: 31,001,616 km (0.043 R)
• M28: 32,836,733 km (0.063 R)
• M29: 38,284,638 km (0.083 R)
• M30: 40,774,844 km (0.039 R)
• M31: 41,413,777 km (0.116 R)
• M32: 42,711,838 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.2

Radius: 5.4

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.64 AU - 9.9 AU

Year: 19839 Days

Day: 21.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,943,968 km

• M1: 67,169 km (0.103 R)
• M2: 575,353 km (0.086 R)
• M3: 867,668 km (0.111 R)
• M4: 1,193,342 km (0.118 R)
• M5: 1,495,380 km (0.032 R)
• M6: 1,703,471 km (0.084 R)
• M7: 2,087,339 km (0.098 R)
• M8: 2,609,436 km (0.11 R)
• M9: 3,641,063 km (0.056 R)
• M10: 3,854,389 km (0.061 R)
• M11: 4,698,570 km (0.097 R)
• M12: 5,147,513 km (0.071 R)
• M13: 6,242,869 km (0.081 R)
• M14: 8,323,476 km (0.118 R)
• M15: 10,501,920 km (0.063 R)
• M16: 12,247,129 km (0.117 R)
• M17: 12,848,961 km (0.105 R)
• M18: 15,179,397 km (0.036 R)
• M19: 16,807,321 km (0.041 R)
• M20: 17,325,079 km (0.084 R)
• M21: 19,909,681 km (0.116 R)
• M22: 20,405,748 km (0.072 R)
• M23: 21,079,986 km (0.033 R)
• M24: 23,191,410 km (0.087 R)
• M25: 24,959,956 km (0.041 R)
• M26: 26,816,316 km (0.1 R)
• M27: 29,609,907 km (0.111 R)
• M28: 30,691,948 km (0.11 R)
• M29: 32,364,153 km (0.118 R)
• M30: 34,096,047 km (0.072 R)
• M31: 45,373,782 km (0.067 R)
• M32: 47,981,423 km (0.116 R)
• M33: 49,925,746 km (0.034 R)

Asteroid Belt

Center: 9.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.1

Radius: 5.3

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 8.04 AU - 12.58 AU

Year: 23270 Days

Day: 24.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,943,968 km

• M1: 65,973 km (0.069 R)
• M2: 273,615 km (0.087 R)
• M3: 832,662 km (0.095 R)
• M4: 1,601,595 km (0.086 R)
• M5: 1,793,379 km (0.088 R)
• M6: 2,166,177 km (0.106 R)
• M7: 2,877,515 km (0.083 R)
• M8: 4,683,461 km (0.088 R)
• M9: 7,090,640 km (0.052 R)
• M10: 7,566,511 km (0.107 R)
• M11: 9,122,029 km (0.109 R)
• M12: 17,249,382 km (0.105 R)
• M13: 20,251,662 km (0.07 R)
• M14: 23,021,018 km (0.028 R)
• M15: 25,830,765 km (0.07 R)
• M16: 27,370,127 km (0.114 R)
• M17: 32,003,772 km (0.115 R)
• M18: 37,006,025 km (0.047 R)
• M19: 38,300,496 km (0.05 R)
• M20: 45,668,789 km (0.085 R)
• M21: 50,861,182 km (0.115 R)
• M22: 53,599,122 km (0.036 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 16,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit