🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.2

Radius: 9.8

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.5 AU - 0.52 AU

Year: 243 Days

Day: 7.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,432,742 km

• M1: 121,922 km (0.101 R)
• M2: 492,027 km (0.11 R)
• M3: 803,789 km (0.066 R)
• M4: 1,294,171 km (0.073 R)
• M5: 1,674,898 km (0.116 R)
• M6: 2,292,288 km (0.117 R)
• M7: 2,812,590 km (0.05 R)
• M8: 3,449,876 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.5

Radius: 9.7

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.71 AU - 0.89 AU

Year: 477 Days

Day: 11.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,432,742 km

• M1: 120,576 km (0.101 R)
• M2: 485,445 km (0.07 R)
• M3: 812,017 km (0.118 R)
• M4: 1,260,212 km (0.092 R)
• M5: 1,590,076 km (0.114 R)
• M6: 2,012,540 km (0.066 R)
• M7: 2,322,208 km (0.1 R)
• M8: 2,847,296 km (0.082 R)
• M9: 4,207,291 km (0.073 R)
• M10: 4,533,713 km (0.104 R)
• M11: 5,902,982 km (0.063 R)
• M12: 6,742,226 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.8

Radius: 9.8

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.64 AU - 1.04 AU

Year: 513 Days

Day: 10.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,432,742 km

• M1: 126,859 km (0.108 R)
• M2: 641,326 km (0.086 R)
• M3: 965,654 km (0.104 R)
• M4: 1,837,810 km (0.063 R)
• M5: 2,764,120 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.5

Radius: 14.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.9 AU - 1.06 AU

Year: 647 Days

Day: 14.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,432,742 km

• M1: 181,612 km (0.111 R)
• M2: 682,765 km (0.086 R)
• M3: 1,232,986 km (0.03 R)
• M4: 1,739,674 km (0.118 R)
• M5: 2,328,640 km (0.119 R)
• M6: 3,038,183 km (0.101 R)
• M7: 3,615,481 km (0.112 R)
• M8: 4,250,823 km (0.116 R)
• M9: 4,715,026 km (0.112 R)
• M10: 5,282,600 km (0.092 R)
• M11: 5,895,502 km (0.082 R)
• M12: 6,555,678 km (0.08 R)
• M13: 7,329,847 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.8

Radius: 8.8

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.09 AU - 1.47 AU

Year: 966 Days

Day: 15 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,432,742 km

• M1: 109,506 km (0.072 R)
• M2: 479,461 km (0.112 R)
• M3: 1,072,617 km (0.116 R)
• M4: 1,519,914 km (0.078 R)
• M5: 2,653,417 km (0.093 R)
• M6: 3,000,933 km (0.06 R)
• M7: 5,980,923 km (0.084 R)
• M8: 6,523,514 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.6

Radius: 4.5

Gravity: 20.23 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.39 AU - 8.75 AU

Year: 13889 Days

Day: 18.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,432,742 km

• M1: 56,548 km (0.115 R)
• M2: 627,862 km (0.097 R)
• M3: 1,123,181 km (0.095 R)
• M4: 2,457,743 km (0.069 R)
• M5: 2,599,413 km (0.08 R)
• M6: 3,749,671 km (0.048 R)
• M7: 4,076,243 km (0.082 R)
• M8: 4,631,700 km (0.104 R)
• M9: 5,855,709 km (0.11 R)
• M10: 6,446,322 km (0.077 R)
• M11: 6,795,483 km (0.093 R)
• M12: 9,651,905 km (0.098 R)
• M13: 15,023,516 km (0.067 R)
• M14: 16,623,465 km (0.095 R)
• M15: 18,487,454 km (0.113 R)
• M16: 19,270,599 km (0.116 R)
• M17: 24,160,954 km (0.105 R)
• M18: 26,642,782 km (0.09 R)
• M19: 28,251,707 km (0.062 R)
• M20: 29,394,635 km (0.055 R)
• M21: 30,676,240 km (0.096 R)
• M22: 31,883,345 km (0.061 R)
• M23: 35,335,915 km (0.109 R)
• M24: 35,934,456 km (0.075 R)
• M25: 37,152,033 km (0.102 R)
• M26: 40,445,729 km (0.086 R)
• M27: 44,899,557 km (0.088 R)
• M28: 47,751,940 km (0.072 R)
• M29: 47,897,648 km (0.106 R)

Asteroid Belt

Center: 8.97 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.8

Radius: 4.3

Gravity: 15.73 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 10.3 AU - 10.44 AU

Year: 22269 Days

Day: 20 Hours

Environment

Temp: -238 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,432,742 km

• M1: 53,556 km (0.107 R)
• M2: 260,599 km (0.101 R)
• M3: 537,206 km (0.118 R)
• M4: 707,000 km (0.116 R)
• M5: 860,188 km (0.052 R)
• M6: 1,059,303 km (0.106 R)
• M7: 1,971,999 km (0.094 R)
• M8: 2,753,349 km (0.107 R)
• M9: 3,213,213 km (0.096 R)
• M10: 3,894,033 km (0.095 R)
• M11: 4,666,257 km (0.111 R)
• M12: 5,646,721 km (0.076 R)
• M13: 7,408,087 km (0.096 R)
• M14: 8,195,570 km (0.109 R)
• M15: 9,934,944 km (0.104 R)
• M16: 11,420,451 km (0.096 R)
• M17: 16,294,948 km (0.099 R)
• M18: 16,523,683 km (0.099 R)
• M19: 18,431,505 km (0.12 R)
• M20: 18,763,163 km (0.112 R)
• M21: 19,868,542 km (0.1 R)
• M22: 28,624,505 km (0.072 R)
• M23: 32,431,921 km (0.111 R)
• M24: 33,525,930 km (0.092 R)
• M25: 33,772,318 km (0.104 R)
• M26: 34,518,961 km (0.105 R)
• M27: 38,014,764 km (0.081 R)
• M28: 50,224,942 km (0.063 R)
• M29: 52,512,443 km (0.115 R)
• M30: 55,726,852 km (0.058 R)
• M31: 58,177,565 km (0.097 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 12,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit