🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.5

Radius: 13.1

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.55 AU - 0.59 AU

Year: 302 Days

Day: 14.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 51,271,130 km

• M1: 163,660 km (0.089 R)
• M2: 589,565 km (0.068 R)
• M3: 1,089,970 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.9

Radius: 10.9

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.68 AU - 2.44 AU

Year: 2078 Days

Day: 11.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,271,130 km

• M1: 135,536 km (0.067 R)
• M2: 485,744 km (0.103 R)
• M3: 939,475 km (0.108 R)
• M4: 1,412,204 km (0.098 R)
• M5: 1,984,117 km (0.104 R)
• M6: 2,527,007 km (0.041 R)
• M7: 3,042,970 km (0.12 R)
• M8: 4,229,431 km (0.067 R)
• M9: 4,645,911 km (0.09 R)
• M10: 5,355,604 km (0.068 R)
• M11: 7,045,312 km (0.079 R)
• M12: 7,489,767 km (0.111 R)
• M13: 8,435,076 km (0.101 R)
• M14: 9,930,905 km (0.104 R)
• M15: 10,814,430 km (0.107 R)
• M16: 11,406,987 km (0.085 R)
• M17: 13,482,957 km (0.03 R)
• M18: 15,151,422 km (0.112 R)
• M19: 15,659,157 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.7

Radius: 8.1

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.83 AU - 2.63 AU

Year: 2341 Days

Day: 7.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,271,130 km

• M1: 111,899 km (0.105 R)
• M2: 618,886 km (0.095 R)
• M3: 997,219 km (0.111 R)
• M4: 1,634,506 km (0.119 R)
• M5: 2,808,251 km (0.112 R)
• M6: 3,312,246 km (0.104 R)
• M7: 6,356,862 km (0.089 R)
• M8: 6,736,093 km (0.048 R)
• M9: 7,763,232 km (0.116 R)
• M10: 8,196,767 km (0.081 R)
• M11: 9,828,131 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.7

Radius: 10.8

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.56 AU - 4.84 AU

Year: 6050 Days

Day: 6.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 171.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,271,130 km

• M1: 134,339 km (0.077 R)
• M2: 544,087 km (0.068 R)
• M3: 1,116,449 km (0.108 R)
• M4: 1,594,265 km (0.075 R)
• M5: 2,052,483 km (0.111 R)
• M6: 2,424,383 km (0.073 R)
• M7: 4,762,897 km (0.095 R)
• M8: 5,203,912 km (0.072 R)
• M9: 5,621,290 km (0.117 R)
• M10: 6,523,814 km (0.115 R)
• M11: 7,831,897 km (0.084 R)
• M12: 8,315,398 km (0.066 R)
• M13: 10,035,773 km (0.073 R)
• M14: 11,814,193 km (0.09 R)
• M15: 13,066,028 km (0.107 R)
• M16: 13,472,036 km (0.105 R)
• M17: 17,243,997 km (0.061 R)
• M18: 18,230,894 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.9

Radius: 12.7

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.41 AU - 4.83 AU

Year: 6980 Days

Day: 9.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,271,130 km

• M1: 158,125 km (0.12 R)
• M2: 759,808 km (0.09 R)
• M3: 1,584,541 km (0.056 R)
• M4: 3,262,281 km (0.113 R)
• M5: 3,913,032 km (0.119 R)
• M6: 4,884,670 km (0.044 R)
• M7: 5,311,472 km (0.067 R)
• M8: 7,654,025 km (0.095 R)
• M9: 9,069,820 km (0.102 R)
• M10: 10,840,460 km (0.057 R)
• M11: 13,000,354 km (0.061 R)
• M12: 17,318,198 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.3

Radius: 4.7

Gravity: 39.17 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.12 AU - 6.14 AU

Year: 9390 Days

Day: 15.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,271,130 km

• M1: 58,493 km (0.06 R)
• M2: 250,576 km (0.068 R)
• M3: 432,188 km (0.115 R)
• M4: 702,512 km (0.092 R)
• M5: 1,924,277 km (0.104 R)
• M6: 2,222,875 km (0.099 R)
• M7: 2,451,909 km (0.111 R)
• M8: 2,613,325 km (0.05 R)
• M9: 3,657,070 km (0.105 R)
• M10: 4,087,463 km (0.063 R)
• M11: 4,461,308 km (0.1 R)
• M12: 4,641,424 km (0.115 R)
• M13: 5,410,805 km (0.044 R)
• M14: 6,449,912 km (0.1 R)
• M15: 7,158,109 km (0.115 R)
• M16: 7,488,869 km (0.115 R)
• M17: 8,451,233 km (0.083 R)
• M18: 11,157,757 km (0.08 R)
• M19: 11,378,564 km (0.11 R)
• M20: 12,001,040 km (0.071 R)
• M21: 16,790,715 km (0.114 R)
• M22: 18,504,957 km (0.108 R)
• M23: 21,758,113 km (0.115 R)
• M24: 22,016,468 km (0.099 R)
• M25: 23,973,807 km (0.103 R)
• M26: 25,755,069 km (0.044 R)
• M27: 32,290,102 km (0.075 R)
• M28: 35,162,830 km (0.065 R)
• M29: 40,754,798 km (0.056 R)
• M30: 42,877,742 km (0.072 R)
• M31: 43,555,869 km (0.066 R)
• M32: 45,915,326 km (0.057 R)
• M33: 48,066,843 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.2

Radius: 4

Gravity: 30.26 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.29 AU - 8.81 AU

Year: 13158 Days

Day: 23.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,271,130 km

• M1: 49,816 km (0.067 R)
• M2: 697,724 km (0.097 R)
• M3: 1,222,963 km (0.068 R)
• M4: 2,439,492 km (0.066 R)
• M5: 3,452,420 km (0.092 R)
• M6: 6,414,009 km (0.105 R)
• M7: 7,546,614 km (0.101 R)
• M8: 8,341,428 km (0.109 R)
• M9: 8,853,651 km (0.101 R)
• M10: 9,838,304 km (0.109 R)
• M11: 10,730,805 km (0.099 R)
• M12: 11,906,195 km (0.09 R)
• M13: 12,080,926 km (0.109 R)
• M14: 30,517,367 km (0.106 R)
• M15: 30,735,331 km (0.117 R)
• M16: 31,952,310 km (0.055 R)
• M17: 34,012,273 km (0.072 R)
• M18: 34,599,893 km (0.107 R)
• M19: 35,674,604 km (0.09 R)
• M20: 40,326,649 km (0.12 R)
• M21: 40,720,690 km (0.118 R)
• M22: 42,322,434 km (0.086 R)
• M23: 49,149,782 km (0.038 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 11,865 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit