🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.6

Radius: 10.1

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.42 AU - 0.62 AU

Year: 259 Days

Day: 8.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,565,234 km

• M1: 125,662 km (0.097 R)
• M2: 463,305 km (0.045 R)
• M3: 848,968 km (0.07 R)
• M4: 1,318,705 km (0.083 R)
• M5: 1,764,507 km (0.06 R)
• M6: 2,099,008 km (0.101 R)
• M7: 2,468,215 km (0.116 R)
• M8: 3,113,431 km (0.1 R)
• M9: 3,724,987 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.9

Radius: 14.3

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.51 AU - 0.63 AU

Year: 297 Days

Day: 9.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,565,234 km

• M1: 177,872 km (0.033 R)
• M2: 677,678 km (0.094 R)
• M3: 1,219,372 km (0.042 R)
• M4: 1,726,958 km (0.099 R)
• M5: 2,930,772 km (0.073 R)
• M6: 3,515,251 km (0.078 R)
• M7: 3,983,193 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.9

Radius: 13.5

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.74 AU - 1.1 AU

Year: 609 Days

Day: 13.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,565,234 km

• M1: 167,849 km (0.096 R)
• M2: 658,530 km (0.119 R)
• M3: 1,213,688 km (0.028 R)
• M4: 1,663,678 km (0.103 R)
• M5: 2,096,764 km (0.094 R)
• M6: 2,748,711 km (0.102 R)
• M7: 3,176,860 km (0.102 R)
• M8: 3,757,450 km (0.076 R)
• M9: 4,274,909 km (0.073 R)
• M10: 4,725,797 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.2

Radius: 14.4

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.05 AU - 1.49 AU

Year: 988 Days

Day: 6.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,565,234 km

• M1: 190,288 km (0.118 R)
• M2: 700,268 km (0.116 R)
• M3: 1,262,756 km (0.096 R)
• M4: 2,059,514 km (0.027 R)
• M5: 2,997,642 km (0.073 R)
• M6: 3,514,054 km (0.091 R)
• M7: 4,870,159 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.9

Radius: 8.9

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.68 AU - 1.92 AU

Year: 1667 Days

Day: 13.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,565,234 km

• M1: 110,702 km (0.105 R)
• M2: 404,513 km (0.097 R)
• M3: 908,358 km (0.108 R)
• M4: 1,285,495 km (0.11 R)
• M5: 1,630,766 km (0.109 R)
• M6: 2,104,543 km (0.082 R)
• M7: 2,721,185 km (0.11 R)
• M8: 3,312,695 km (0.096 R)
• M9: 3,598,278 km (0.087 R)
• M10: 4,183,205 km (0.067 R)
• M11: 4,613,898 km (0.094 R)
• M12: 5,177,732 km (0.026 R)
• M13: 5,674,846 km (0.102 R)
• M14: 6,203,225 km (0.073 R)
• M15: 6,916,059 km (0.106 R)
• M16: 8,800,544 km (0.067 R)
• M17: 9,604,034 km (0.091 R)
• M18: 10,523,163 km (0.069 R)
• M19: 10,865,293 km (0.059 R)
• M20: 12,650,295 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.2

Radius: 12.1

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.24 AU - 3.68 AU

Year: 3515 Days

Day: 6 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,565,234 km

• M1: 150,495 km (0.07 R)
• M2: 587,172 km (0.1 R)
• M3: 1,297,762 km (0.108 R)
• M4: 1,972,298 km (0.091 R)
• M5: 2,432,162 km (0.112 R)
• M6: 3,429,681 km (0.077 R)
• M7: 4,201,007 km (0.043 R)
• M8: 4,639,180 km (0.113 R)
• M9: 5,706,860 km (0.104 R)
• M10: 6,140,544 km (0.047 R)
• M11: 7,017,187 km (0.07 R)
• M12: 7,485,877 km (0.043 R)
• M13: 8,951,189 km (0.103 R)
• M14: 9,328,325 km (0.11 R)
• M15: 10,599,608 km (0.1 R)
• M16: 12,869,306 km (0.111 R)
• M17: 13,350,563 km (0.089 R)
• M18: 13,934,742 km (0.058 R)
• M19: 14,771,892 km (0.034 R)
• M20: 16,495,110 km (0.088 R)
• M21: 17,751,882 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.2

Radius: 11

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.06 AU - 3.18 AU

Year: 3804 Days

Day: 13.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 175.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,565,234 km

• M1: 138,378 km (0.051 R)
• M2: 518,057 km (0.07 R)
• M3: 883,375 km (0.054 R)
• M4: 1,315,713 km (0.099 R)
• M5: 1,677,142 km (0.075 R)
• M6: 2,063,703 km (0.093 R)
• M7: 3,020,979 km (0.107 R)
• M8: 4,183,355 km (0.111 R)
• M9: 4,729,088 km (0.088 R)
• M10: 5,429,804 km (0.115 R)
• M11: 6,168,668 km (0.079 R)
• M12: 6,655,908 km (0.086 R)
• M13: 7,604,509 km (0.115 R)
• M14: 8,382,567 km (0.085 R)
• M15: 8,753,420 km (0.103 R)
• M16: 9,648,165 km (0.057 R)
• M17: 10,818,320 km (0.098 R)
• M18: 12,034,102 km (0.065 R)
• M19: 13,896,595 km (0.1 R)
• M20: 14,735,540 km (0.072 R)
• M21: 16,227,629 km (0.069 R)
• M22: 17,217,219 km (0.068 R)
• M23: 18,370,319 km (0.109 R)
• M24: 22,849,280 km (0.104 R)
• M25: 24,315,638 km (0.118 R)
• M26: 24,691,877 km (0.05 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.7

Radius: 9.4

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.43 AU - 5.65 AU

Year: 6677 Days

Day: 12.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 176.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,565,234 km

• M1: 116,986 km (0.114 R)
• M2: 414,984 km (0.112 R)
• M3: 839,394 km (0.064 R)
• M4: 2,068,191 km (0.106 R)
• M5: 2,610,034 km (0.071 R)
• M6: 2,915,064 km (0.069 R)
• M7: 3,506,724 km (0.111 R)
• M8: 4,957,673 km (0.101 R)
• M9: 6,257,679 km (0.117 R)
• M10: 7,966,984 km (0.107 R)
• M11: 8,286,226 km (0.085 R)
• M12: 8,697,321 km (0.107 R)
• M13: 10,244,612 km (0.09 R)
• M14: 11,206,975 km (0.086 R)
• M15: 13,534,867 km (0.119 R)
• M16: 14,455,941 km (0.108 R)
• M17: 14,992,100 km (0.05 R)
• M18: 16,231,070 km (0.086 R)
• M19: 17,270,476 km (0.12 R)
• M20: 17,738,867 km (0.069 R)
• M21: 18,146,970 km (0.119 R)
• M22: 22,186,561 km (0.098 R)
• M23: 32,594,384 km (0.096 R)
• M24: 33,412,984 km (0.111 R)
• M25: 35,412,359 km (0.05 R)
• M26: 36,825,461 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.5

Radius: 7.1

Gravity: 15.42 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5 AU - 7.02 AU

Year: 10170 Days

Day: 23.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,565,234 km

• M1: 88,412 km (0.111 R)
• M2: 640,578 km (0.025 R)
• M3: 896,091 km (0.09 R)
• M4: 1,137,991 km (0.058 R)
• M5: 1,969,007 km (0.109 R)
• M6: 2,197,294 km (0.045 R)
• M7: 2,902,049 km (0.075 R)
• M8: 3,541,879 km (0.104 R)
• M9: 3,908,693 km (0.053 R)
• M10: 4,811,816 km (0.074 R)
• M11: 6,666,680 km (0.084 R)
• M12: 7,603,162 km (0.079 R)
• M13: 8,259,448 km (0.099 R)
• M14: 8,764,191 km (0.118 R)
• M15: 9,289,429 km (0.116 R)
• M16: 9,936,889 km (0.086 R)
• M17: 10,350,078 km (0.088 R)
• M18: 11,377,367 km (0.05 R)
• M19: 13,382,577 km (0.097 R)
• M20: 14,403,283 km (0.082 R)
• M21: 16,030,010 km (0.071 R)
• M22: 16,598,482 km (0.078 R)
• M23: 21,554,061 km (0.072 R)
• M24: 26,322,045 km (0.066 R)
• M25: 28,328,900 km (0.096 R)
• M26: 28,638,568 km (0.108 R)
• M27: 31,196,990 km (0.06 R)
• M28: 33,442,305 km (0.104 R)
• M29: 36,641,156 km (0.103 R)
• M30: 44,191,211 km (0.059 R)
• M31: 44,607,691 km (0.106 R)
• M32: 45,872,841 km (0.073 R)
• M33: 46,442,809 km (0.075 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 15,390 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit