🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.9

Radius: 9.1

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.4 AU - 0.66 AU

Year: 262 Days

Day: 9.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,742,004 km

• M1: 113,096 km (0.104 R)
• M2: 439,070 km (0.09 R)
• M3: 784,042 km (0.1 R)
• M4: 1,317,508 km (0.096 R)
• M5: 1,765,853 km (0.079 R)
• M6: 2,137,006 km (0.052 R)
• M7: 2,582,358 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.4

Radius: 10.6

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.62 AU - 0.64 AU

Year: 339 Days

Day: 14.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,742,004 km

• M1: 131,796 km (0.069 R)
• M2: 546,631 km (0.059 R)
• M3: 923,019 km (0.105 R)
• M4: 1,253,181 km (0.12 R)
• M5: 1,770,491 km (0.111 R)
• M6: 2,840,116 km (0.099 R)
• M7: 3,206,630 km (0.09 R)
• M8: 4,359,581 km (0.112 R)

Asteroid Belt

Center: 0.89 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.6

Radius: 11.9

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.03 AU - 1.27 AU

Year: 836 Days

Day: 5.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,742,004 km

• M1: 147,952 km (0.071 R)
• M2: 575,204 km (0.076 R)
• M3: 1,062,893 km (0.116 R)
• M4: 1,489,845 km (0.113 R)
• M5: 1,987,109 km (0.04 R)
• M6: 2,752,302 km (0.061 R)
• M7: 3,130,335 km (0.111 R)
• M8: 3,669,785 km (0.071 R)
• M9: 4,534,162 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.8

Radius: 10.1

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.78 AU - 1.86 AU

Year: 1665 Days

Day: 7.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,742,004 km

• M1: 127,009 km (0.068 R)
• M2: 461,958 km (0.102 R)
• M3: 894,146 km (0.111 R)
• M4: 1,231,639 km (0.118 R)
• M5: 1,795,623 km (0.056 R)
• M6: 2,122,046 km (0.093 R)
• M7: 2,816,928 km (0.114 R)
• M8: 3,261,533 km (0.086 R)
• M9: 3,672,777 km (0.107 R)
• M10: 4,239,753 km (0.074 R)
• M11: 5,761,912 km (0.082 R)
• M12: 6,250,498 km (0.12 R)
• M13: 6,742,526 km (0.1 R)
• M14: 8,154,281 km (0.108 R)
• M15: 9,298,256 km (0.104 R)
• M16: 10,481,126 km (0.028 R)
• M17: 11,210,266 km (0.029 R)
• M18: 11,866,851 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.2

Radius: 8.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.38 AU - 3.24 AU

Year: 3195 Days

Day: 7.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,742,004 km

• M1: 106,962 km (0.103 R)
• M2: 538,852 km (0.059 R)
• M3: 1,178,981 km (0.107 R)
• M4: 1,681,330 km (0.114 R)
• M5: 2,593,578 km (0.092 R)
• M6: 3,716,310 km (0.089 R)
• M7: 4,613,299 km (0.109 R)
• M8: 6,444,078 km (0.079 R)
• M9: 7,647,892 km (0.083 R)
• M10: 8,198,711 km (0.108 R)
• M11: 8,590,658 km (0.054 R)
• M12: 9,542,998 km (0.089 R)
• M13: 9,842,044 km (0.066 R)
• M14: 10,493,842 km (0.038 R)
• M15: 12,346,911 km (0.06 R)
• M16: 13,105,073 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.6

Radius: 12.8

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.36 AU - 3.7 AU

Year: 4498 Days

Day: 5.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,742,004 km

• M1: 159,322 km (0.101 R)
• M2: 679,324 km (0.104 R)
• M3: 1,168,210 km (0.072 R)
• M4: 1,778,120 km (0.047 R)
• M5: 2,416,604 km (0.055 R)
• M6: 3,033,994 km (0.108 R)
• M7: 4,272,964 km (0.084 R)
• M8: 4,686,602 km (0.043 R)
• M9: 5,153,647 km (0.112 R)
• M10: 5,824,892 km (0.042 R)
• M11: 6,304,353 km (0.057 R)
• M12: 6,745,368 km (0.101 R)
• M13: 7,240,836 km (0.044 R)
• M14: 8,567,769 km (0.075 R)
• M15: 9,924,472 km (0.094 R)
• M16: 12,710,733 km (0.111 R)
• M17: 13,675,789 km (0.081 R)
• M18: 15,410,825 km (0.088 R)
• M19: 15,924,245 km (0.111 R)
• M20: 17,842,837 km (0.112 R)
• M21: 21,919,529 km (0.104 R)
• M22: 24,288,710 km (0.109 R)
• M23: 26,174,242 km (0.117 R)
• M24: 27,567,596 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.6

Radius: 7.4

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 9.02 AU - 10.08 AU

Year: 20017 Days

Day: 18.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,742,004 km

• M1: 93,798 km (0.063 R)
• M2: 404,961 km (0.053 R)
• M3: 972,985 km (0.099 R)
• M4: 1,373,608 km (0.082 R)
• M5: 3,314,640 km (0.075 R)
• M6: 8,236,260 km (0.109 R)
• M7: 8,488,632 km (0.085 R)
• M8: 9,115,447 km (0.093 R)
• M9: 10,113,115 km (0.047 R)
• M10: 10,757,583 km (0.084 R)
• M11: 13,195,430 km (0.093 R)
• M12: 13,893,603 km (0.075 R)
• M13: 21,895,743 km (0.113 R)
• M14: 23,676,107 km (0.104 R)
• M15: 25,020,543 km (0.075 R)
• M16: 29,124,461 km (0.099 R)
• M17: 36,425,586 km (0.095 R)
• M18: 39,486,657 km (0.109 R)
• M19: 43,472,543 km (0.075 R)
• M20: 47,233,583 km (0.065 R)
• M21: 55,395,643 km (0.098 R)
• M22: 55,754,827 km (0.113 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 17,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit