🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.51 AU - 0.67 AU

Year: 172 Days

Day: 27.7 Hours

Environment

Temp: 164 °C

Axial Tilt: 25.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,263,311 km

• M1: 184,903 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.43 AU - 1.81 AU

Year: 781 Days

Day: 34.2 Hours

Environment

Temp: -65 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,263,311 km

• M1: 58,194 km (0.088 R)
• M2: 87,664 km (0.085 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.82 AU - 2.56 AU

Year: 1227 Days

Day: 41.5 Hours

Environment

Temp: -85 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.27 AU - 2.71 AU

Year: 1488 Days

Day: 16 Hours

Environment

Temp: -92 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.7

Radius: 10.4

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.47 AU - 7.57 AU

Year: 7045 Days

Day: 9.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,263,311 km

• M1: 130,449 km (0.118 R)
• M2: 536,907 km (0.072 R)
• M3: 1,111,512 km (0.118 R)
• M4: 1,722,320 km (0.108 R)
• M5: 2,066,695 km (0.102 R)
• M6: 2,634,568 km (0.101 R)
• M7: 2,995,548 km (0.079 R)
• M8: 3,389,738 km (0.061 R)
• M9: 5,505,501 km (0.103 R)
• M10: 6,429,866 km (0.102 R)
• M11: 8,064,672 km (0.047 R)
• M12: 9,084,331 km (0.108 R)
• M13: 11,477,448 km (0.049 R)
• M14: 12,872,897 km (0.118 R)
• M15: 14,378,300 km (0.09 R)
• M16: 15,935,913 km (0.073 R)
• M17: 16,563,775 km (0.079 R)
• M18: 18,962,129 km (0.12 R)
• M19: 19,312,636 km (0.096 R)
• M20: 21,355,844 km (0.099 R)
• M21: 21,965,156 km (0.084 R)
• M22: 25,953,435 km (0.1 R)
• M23: 27,711,659 km (0.102 R)
• M24: 29,174,278 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.5

Radius: 10.8

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.66 AU - 12.04 AU

Year: 11709 Days

Day: 9.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,263,311 km

• M1: 134,339 km (0.04 R)
• M2: 501,901 km (0.105 R)
• M3: 2,139,250 km (0.081 R)
• M4: 4,794,462 km (0.091 R)
• M5: 5,843,592 km (0.084 R)
• M6: 6,459,935 km (0.027 R)
• M7: 6,881,502 km (0.113 R)
• M8: 7,362,310 km (0.083 R)
• M9: 11,658,760 km (0.087 R)
• M10: 14,171,556 km (0.064 R)
• M11: 17,097,989 km (0.09 R)
• M12: 21,908,010 km (0.084 R)
• M13: 24,390,736 km (0.039 R)
• M14: 26,663,427 km (0.105 R)
• M15: 27,154,108 km (0.098 R)
• M16: 30,119,586 km (0.114 R)
• M17: 39,029,037 km (0.093 R)
• M18: 47,223,709 km (0.116 R)
• M19: 48,668,077 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.4

Radius: 3.3

Gravity: 21.98 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 10.69 AU - 15.71 AU

Year: 18164 Days

Day: 22.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,263,311 km

• M1: 44,281 km (0.11 R)
• M2: 191,036 km (0.044 R)
• M3: 467,344 km (0.057 R)
• M4: 605,572 km (0.065 R)
• M5: 1,051,673 km (0.035 R)
• M6: 1,522,757 km (0.105 R)
• M7: 2,212,852 km (0.099 R)
• M8: 2,384,141 km (0.05 R)
• M9: 2,796,882 km (0.082 R)
• M10: 3,159,806 km (0.113 R)
• M11: 3,502,385 km (0.101 R)
• M12: 3,842,272 km (0.03 R)
• M13: 4,526,682 km (0.116 R)
• M14: 4,678,823 km (0.096 R)
• M15: 5,188,952 km (0.092 R)
• M16: 7,774,751 km (0.118 R)
• M17: 8,580,335 km (0.085 R)
• M18: 8,766,734 km (0.106 R)
• M19: 9,244,251 km (0.059 R)
• M20: 13,330,367 km (0.076 R)
• M21: 17,267,334 km (0.085 R)
• M22: 18,708,411 km (0.079 R)
• M23: 23,782,621 km (0.048 R)
• M24: 25,851,410 km (0.078 R)
• M25: 32,432,968 km (0.051 R)
• M26: 33,341,177 km (0.036 R)
• M27: 36,288,105 km (0.072 R)
• M28: 38,767,241 km (0.102 R)
• M29: 38,893,950 km (0.115 R)
• M30: 44,335,723 km (0.067 R)
• M31: 44,474,549 km (0.087 R)
• M32: 45,735,959 km (0.063 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: 241 - 17,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit