🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.9

Radius: 11.7

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.24 AU - 1.62 AU

Year: 1160 Days

Day: 14.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,386,739 km

• M1: 212,130 km (0.057 R)
• M2: 659,278 km (0.111 R)
• M3: 1,036,713 km (0.045 R)
• M4: 1,402,929 km (0.093 R)
• M5: 2,538,676 km (0.089 R)
• M6: 2,986,422 km (0.116 R)
• M7: 4,541,941 km (0.069 R)
• M8: 5,224,257 km (0.069 R)
• M9: 5,760,715 km (0.026 R)
• M10: 7,780,136 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.7

Radius: 10.6

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.65 AU - 2.21 AU

Year: 1819 Days

Day: 13.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,386,739 km

• M1: 131,796 km (0.112 R)
• M2: 507,885 km (0.099 R)
• M3: 1,256,622 km (0.086 R)
• M4: 1,987,408 km (0.098 R)
• M5: 2,524,464 km (0.117 R)
• M6: 3,059,875 km (0.112 R)
• M7: 3,457,955 km (0.117 R)
• M8: 4,358,983 km (0.1 R)
• M9: 5,200,620 km (0.11 R)
• M10: 5,672,602 km (0.104 R)
• M11: 6,019,818 km (0.051 R)
• M12: 6,729,959 km (0.049 R)
• M13: 7,883,359 km (0.086 R)
• M14: 8,507,332 km (0.092 R)
• M15: 9,333,411 km (0.071 R)
• M16: 12,174,125 km (0.096 R)
• M17: 13,265,591 km (0.069 R)
• M18: 13,879,840 km (0.106 R)
• M19: 14,697,243 km (0.069 R)
• M20: 16,527,872 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.1

Radius: 10.9

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.39 AU - 2.43 AU

Year: 2538 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,386,739 km

• M1: 135,685 km (0.112 R)
• M2: 497,862 km (0.086 R)
• M3: 1,181,524 km (0.087 R)
• M4: 1,563,896 km (0.068 R)
• M5: 1,970,802 km (0.119 R)
• M6: 3,783,929 km (0.077 R)
• M7: 4,242,596 km (0.036 R)
• M8: 5,022,749 km (0.042 R)
• M9: 5,459,125 km (0.082 R)
• M10: 6,540,868 km (0.074 R)
• M11: 8,095,190 km (0.031 R)
• M12: 9,158,830 km (0.111 R)
• M13: 10,168,167 km (0.117 R)
• M14: 11,327,700 km (0.096 R)
• M15: 12,080,626 km (0.079 R)
• M16: 12,656,429 km (0.105 R)
• M17: 13,598,446 km (0.055 R)
• M18: 14,494,687 km (0.116 R)
• M19: 15,051,042 km (0.112 R)
• M20: 16,907,252 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.1

Radius: 6.3

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.2 AU - 6.52 AU

Year: 9621 Days

Day: 15.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,386,739 km

• M1: 80,633 km (0.069 R)
• M2: 572,511 km (0.118 R)
• M3: 791,074 km (0.086 R)
• M4: 2,779,080 km (0.119 R)
• M5: 3,669,187 km (0.114 R)
• M6: 6,215,941 km (0.079 R)
• M7: 6,528,002 km (0.061 R)
• M8: 7,687,087 km (0.114 R)
• M9: 15,537,983 km (0.031 R)
• M10: 16,007,571 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.4

Radius: 7.5

Gravity: 16.29 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.67 AU - 8.99 AU

Year: 13460 Days

Day: 24.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 97.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,386,739 km

• M1: 93,349 km (0.097 R)
• M2: 487,240 km (0.116 R)
• M3: 1,184,666 km (0.036 R)
• M4: 2,575,926 km (0.092 R)
• M5: 3,168,632 km (0.087 R)
• M6: 3,456,758 km (0.095 R)
• M7: 4,856,695 km (0.05 R)
• M8: 5,607,527 km (0.113 R)
• M9: 6,189,462 km (0.029 R)
• M10: 6,599,360 km (0.058 R)
• M11: 7,382,805 km (0.084 R)
• M12: 7,750,366 km (0.059 R)
• M13: 9,883,483 km (0.102 R)
• M14: 15,268,407 km (0.054 R)
• M15: 17,587,324 km (0.072 R)
• M16: 19,343,902 km (0.119 R)
• M17: 21,676,731 km (0.098 R)
• M18: 23,495,692 km (0.086 R)
• M19: 24,899,518 km (0.114 R)
• M20: 26,464,611 km (0.103 R)
• M21: 27,434,604 km (0.07 R)
• M22: 27,983,628 km (0.096 R)
• M23: 28,539,983 km (0.047 R)
• M24: 29,331,206 km (0.059 R)
• M25: 29,674,682 km (0.114 R)
• M26: 30,721,419 km (0.107 R)
• M27: 30,957,335 km (0.08 R)
• M28: 31,313,378 km (0.088 R)
• M29: 34,388,212 km (0.073 R)
• M30: 48,383,392 km (0.071 R)
• M31: 53,664,945 km (0.109 R)
• M32: 54,007,374 km (0.071 R)
• M33: 59,867,871 km (0.078 R)
• M34: 62,855,939 km (0.049 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: 357 - 11,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit