🌌 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: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206

Radius: 11.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.79 AU - 0.89 AU

Year: 531 Days

Day: 8.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,824,793 km

• M1: 143,016 km (0.091 R)
• M2: 695,780 km (0.102 R)
• M3: 1,102,088 km (0.112 R)
• M4: 1,477,129 km (0.093 R)
• M5: 1,946,268 km (0.104 R)
• M6: 2,720,886 km (0.088 R)
• M7: 3,347,851 km (0.087 R)
• M8: 3,748,025 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.5

Radius: 14.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.17 AU - 1.19 AU

Year: 885 Days

Day: 11 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,824,793 km

• M1: 179,069 km (0.116 R)
• M2: 730,337 km (0.101 R)
• M3: 1,418,786 km (0.038 R)
• M4: 2,176,499 km (0.098 R)
• M5: 2,633,371 km (0.103 R)
• M6: 3,703,594 km (0.101 R)
• M7: 4,572,309 km (0.094 R)
• M8: 6,277,575 km (0.062 R)
• M9: 6,866,093 km (0.12 R)
• M10: 7,770,562 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.2

Radius: 13.2

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.92 AU - 1.46 AU

Year: 896 Days

Day: 13.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,824,793 km

• M1: 164,109 km (0.098 R)
• M2: 616,493 km (0.069 R)
• M3: 1,120,039 km (0.1 R)
• M4: 1,599,201 km (0.087 R)
• M5: 2,045,751 km (0.106 R)
• M6: 2,826,353 km (0.058 R)
• M7: 3,390,486 km (0.107 R)
• M8: 3,858,279 km (0.12 R)
• M9: 4,453,229 km (0.103 R)
• M10: 5,221,115 km (0.042 R)
• M11: 7,090,789 km (0.117 R)
• M12: 7,614,831 km (0.095 R)
• M13: 9,094,055 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.8

Radius: 10

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.47 AU - 1.57 AU

Year: 1294 Days

Day: 12 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,824,793 km

• M1: 124,316 km (0.115 R)
• M2: 497,712 km (0.104 R)
• M3: 1,407,417 km (0.112 R)
• M4: 1,952,402 km (0.1 R)
• M5: 2,549,297 km (0.053 R)
• M6: 2,936,756 km (0.099 R)
• M7: 5,746,353 km (0.114 R)
• M8: 6,598,164 km (0.091 R)
• M9: 7,683,047 km (0.081 R)
• M10: 8,524,236 km (0.08 R)
• M11: 9,660,432 km (0.057 R)
• M12: 10,545,304 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 10.3

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.5 AU - 3.54 AU

Year: 3623 Days

Day: 13.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,824,793 km

• M1: 128,205 km (0.105 R)
• M2: 556,803 km (0.093 R)
• M3: 1,350,270 km (0.082 R)
• M4: 1,812,977 km (0.101 R)
• M5: 2,159,744 km (0.076 R)
• M6: 2,535,086 km (0.102 R)
• M7: 3,458,104 km (0.081 R)
• M8: 4,174,080 km (0.108 R)
• M9: 4,639,628 km (0.085 R)
• M10: 5,036,661 km (0.115 R)
• M11: 5,814,570 km (0.076 R)
• M12: 7,243,080 km (0.032 R)
• M13: 8,162,509 km (0.11 R)
• M14: 9,081,638 km (0.084 R)
• M15: 9,986,855 km (0.068 R)
• M16: 11,389,335 km (0.087 R)
• M17: 11,884,653 km (0.117 R)
• M18: 13,260,056 km (0.107 R)
• M19: 14,844,447 km (0.079 R)
• M20: 15,931,425 km (0.11 R)
• M21: 19,574,582 km (0.05 R)
• M22: 20,351,594 km (0.096 R)
• M23: 23,811,493 km (0.066 R)
• M24: 24,696,813 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.1

Radius: 9.7

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.27 AU - 4.29 AU

Year: 5073 Days

Day: 6.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,824,793 km

• M1: 120,875 km (0.109 R)
• M2: 578,794 km (0.119 R)
• M3: 1,057,657 km (0.051 R)
• M4: 1,377,647 km (0.072 R)
• M5: 2,632,025 km (0.12 R)
• M6: 2,940,346 km (0.067 R)
• M7: 3,293,248 km (0.064 R)
• M8: 4,084,919 km (0.115 R)
• M9: 5,080,344 km (0.074 R)
• M10: 6,261,419 km (0.08 R)
• M11: 8,172,083 km (0.099 R)
• M12: 8,557,297 km (0.036 R)
• M13: 10,622,945 km (0.042 R)
• M14: 12,438,764 km (0.038 R)
• M15: 14,011,785 km (0.057 R)
• M16: 15,246,716 km (0.035 R)
• M17: 16,552,705 km (0.093 R)
• M18: 17,421,719 km (0.048 R)
• M19: 17,996,325 km (0.085 R)
• M20: 19,048,746 km (0.115 R)
• M21: 19,521,924 km (0.109 R)
• M22: 20,421,605 km (0.117 R)
• M23: 20,846,014 km (0.118 R)
• M24: 21,566,328 km (0.092 R)
• M25: 22,753,387 km (0.071 R)
• M26: 26,158,833 km (0.09 R)
• M27: 30,991,144 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.9

Radius: 13.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.15 AU - 5.17 AU

Year: 5857 Days

Day: 14.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,824,793 km

• M1: 176,825 km (0.073 R)
• M2: 639,980 km (0.11 R)
• M3: 1,184,217 km (0.107 R)
• M4: 2,195,498 km (0.064 R)
• M5: 2,810,196 km (0.062 R)
• M6: 3,815,793 km (0.077 R)
• M7: 5,555,167 km (0.105 R)
• M8: 8,009,620 km (0.086 R)
• M9: 8,452,579 km (0.047 R)
• M10: 9,476,128 km (0.087 R)
• M11: 10,438,191 km (0.086 R)
• M12: 13,378,687 km (0.119 R)
• M13: 13,946,411 km (0.112 R)
• M14: 14,888,130 km (0.097 R)
• M15: 15,871,736 km (0.116 R)
• M16: 18,312,275 km (0.064 R)
• M17: 26,408,811 km (0.111 R)
• M18: 32,792,152 km (0.104 R)
• M19: 33,930,143 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.4

Radius: 5

Gravity: 36.9 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.93 AU - 7.83 AU

Year: 11124 Days

Day: 20.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,824,793 km

• M1: 66,122 km (0.087 R)
• M2: 286,031 km (0.072 R)
• M3: 451,486 km (0.087 R)
• M4: 691,591 km (0.062 R)
• M5: 959,820 km (0.089 R)
• M6: 1,769,593 km (0.111 R)
• M7: 2,273,588 km (0.108 R)
• M8: 2,623,199 km (0.093 R)
• M9: 3,377,770 km (0.09 R)
• M10: 4,963,657 km (0.081 R)
• M11: 5,269,286 km (0.119 R)
• M12: 5,917,942 km (0.088 R)
• M13: 8,089,654 km (0.101 R)
• M14: 8,608,909 km (0.087 R)
• M15: 9,977,280 km (0.089 R)
• M16: 10,909,724 km (0.083 R)
• M17: 11,194,558 km (0.081 R)
• M18: 11,660,855 km (0.086 R)
• M19: 11,898,715 km (0.101 R)
• M20: 13,009,629 km (0.082 R)
• M21: 15,722,736 km (0.083 R)
• M22: 16,679,714 km (0.059 R)
• M23: 20,378,072 km (0.081 R)
• M24: 21,072,655 km (0.044 R)
• M25: 21,693,187 km (0.055 R)
• M26: 26,280,307 km (0.11 R)
• M27: 26,998,975 km (0.104 R)
• M28: 27,520,323 km (0.116 R)
• M29: 30,564,640 km (0.082 R)
• M30: 33,585,620 km (0.104 R)
• M31: 34,921,529 km (0.104 R)
• M32: 35,789,795 km (0.053 R)
• M33: 37,698,963 km (0.102 R)
• M34: 42,275,311 km (0.112 R)
• M35: 55,641,133 km (0.082 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: 480 - 15,276 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit