🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.2

Radius: 12.2

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.85 AU - 0.91 AU

Year: 560 Days

Day: 9.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,234,852 km

• M1: 151,692 km (0.057 R)
• M2: 583,880 km (0.032 R)
• M3: 1,056,610 km (0.119 R)
• M4: 1,546,244 km (0.092 R)
• M5: 1,993,691 km (0.104 R)
• M6: 2,506,662 km (0.05 R)
• M7: 2,892,924 km (0.096 R)
• M8: 3,448,680 km (0.106 R)
• M9: 3,915,126 km (0.094 R)
• M10: 4,361,526 km (0.081 R)
• M11: 4,908,605 km (0.045 R)
• M12: 5,555,616 km (0.071 R)
• M13: 6,082,350 km (0.089 R)
• M14: 6,766,910 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.7

Radius: 9.5

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.91 AU - 1.51 AU

Year: 903 Days

Day: 9.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,234,852 km

• M1: 118,482 km (0.092 R)
• M2: 579,991 km (0.051 R)
• M3: 933,790 km (0.114 R)
• M4: 1,315,115 km (0.073 R)
• M5: 1,811,780 km (0.077 R)
• M6: 2,263,266 km (0.058 R)
• M7: 2,739,735 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.8

Radius: 14.2

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.39 AU - 3.81 AU

Year: 3702 Days

Day: 5.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,234,852 km

• M1: 185,202 km (0.085 R)
• M2: 923,019 km (0.115 R)
• M3: 1,528,441 km (0.099 R)
• M4: 2,395,660 km (0.109 R)
• M5: 2,933,315 km (0.099 R)
• M6: 3,491,913 km (0.077 R)
• M7: 4,121,122 km (0.054 R)
• M8: 5,312,071 km (0.118 R)
• M9: 5,916,745 km (0.05 R)
• M10: 7,530,757 km (0.102 R)
• M11: 8,331,704 km (0.106 R)
• M12: 9,738,821 km (0.117 R)
• M13: 18,356,407 km (0.113 R)
• M14: 22,371,015 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.5

Radius: 13.7

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4 AU - 5.06 AU

Year: 6539 Days

Day: 7.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,234,852 km

• M1: 172,786 km (0.052 R)
• M2: 598,990 km (0.101 R)
• M3: 1,245,701 km (0.117 R)
• M4: 1,724,265 km (0.105 R)
• M5: 2,296,926 km (0.09 R)
• M6: 3,068,851 km (0.119 R)
• M7: 4,259,201 km (0.084 R)
• M8: 5,319,102 km (0.104 R)
• M9: 7,364,404 km (0.09 R)
• M10: 7,957,709 km (0.074 R)
• M11: 9,602,388 km (0.097 R)
• M12: 10,788,849 km (0.11 R)
• M13: 11,417,758 km (0.114 R)
• M14: 14,234,387 km (0.084 R)
• M15: 15,889,538 km (0.076 R)
• M16: 17,002,247 km (0.089 R)
• M17: 19,122,049 km (0.119 R)
• M18: 23,062,606 km (0.084 R)
• M19: 24,411,829 km (0.038 R)
• M20: 24,950,531 km (0.098 R)
• M21: 27,349,632 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.8

Radius: 4.6

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.08 AU - 6.2 AU

Year: 10319 Days

Day: 17.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,234,852 km

• M1: 57,296 km (0.054 R)
• M2: 227,538 km (0.094 R)
• M3: 405,111 km (0.069 R)
• M4: 765,343 km (0.111 R)
• M5: 913,744 km (0.085 R)
• M6: 1,247,796 km (0.044 R)
• M7: 1,517,222 km (0.115 R)
• M8: 1,726,659 km (0.067 R)
• M9: 1,925,773 km (0.109 R)
• M10: 2,252,944 km (0.098 R)
• M11: 2,977,746 km (0.116 R)
• M12: 3,393,329 km (0.111 R)
• M13: 5,941,728 km (0.086 R)
• M14: 8,212,026 km (0.116 R)
• M15: 8,490,876 km (0.095 R)
• M16: 9,981,020 km (0.119 R)
• M17: 15,785,418 km (0.094 R)
• M18: 17,102,477 km (0.1 R)
• M19: 20,748,626 km (0.107 R)
• M20: 21,490,183 km (0.067 R)
• M21: 23,820,768 km (0.078 R)
• M22: 29,160,365 km (0.099 R)
• M23: 29,622,772 km (0.068 R)
• M24: 30,562,247 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.8

Radius: 8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.12 AU - 12.32 AU

Year: 22160 Days

Day: 15.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,234,852 km

• M1: 99,782 km (0.113 R)
• M2: 551,418 km (0.058 R)
• M3: 1,118,842 km (0.113 R)
• M4: 2,175,602 km (0.119 R)
• M5: 2,467,617 km (0.061 R)
• M6: 4,238,407 km (0.104 R)
• M7: 4,586,072 km (0.096 R)
• M8: 7,695,165 km (0.111 R)
• M9: 8,883,870 km (0.081 R)
• M10: 14,873,918 km (0.098 R)
• M11: 15,741,586 km (0.11 R)
• M12: 16,708,137 km (0.087 R)
• M13: 21,826,030 km (0.058 R)
• M14: 24,440,403 km (0.112 R)
• M15: 25,734,873 km (0.081 R)
• M16: 26,802,852 km (0.063 R)
• M17: 28,459,948 km (0.114 R)
• M18: 30,576,458 km (0.044 R)
• M19: 30,972,294 km (0.095 R)
• M20: 34,050,570 km (0.066 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 19,868 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit