🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.97 AU - 1.25 AU

Year: 436 Days

Day: 13.4 Hours

Environment

Temp: 13 °C

Axial Tilt: 33.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.66 AU - 2.12 AU

Year: 969 Days

Day: 38.6 Hours

Environment

Temp: -69 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.89 AU - 4.31 AU

Year: 2546 Days

Day: 30 Hours

Environment

Temp: -121 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,873,099 km

• M1: 39,344 km (0.056 R)
• M2: 107,561 km (0.111 R)

Asteroid Belt

Center: 4.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.7

Radius: 13.2

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.32 AU - 7.14 AU

Year: 5113 Days

Day: 10.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,873,099 km

• M1: 169,943 km (0.098 R)
• M2: 785,688 km (0.098 R)
• M3: 1,338,452 km (0.088 R)
• M4: 2,228,111 km (0.113 R)
• M5: 3,160,704 km (0.119 R)
• M6: 5,791,083 km (0.091 R)
• M7: 6,415,654 km (0.056 R)
• M8: 7,929,585 km (0.044 R)
• M9: 8,805,480 km (0.117 R)
• M10: 9,744,656 km (0.075 R)
• M11: 11,950,925 km (0.119 R)
• M12: 14,866,288 km (0.073 R)
• M13: 16,355,984 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838

Radius: 5.6

Gravity: 26.72 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 12.62 AU - 14.54 AU

Year: 18655 Days

Day: 23 Hours

Environment

Temp: -195 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,873,099 km

• M1: 70,461 km (0.094 R)
• M2: 282,590 km (0.079 R)
• M3: 545,284 km (0.118 R)
• M4: 896,091 km (0.097 R)
• M5: 1,311,824 km (0.071 R)
• M6: 1,943,127 km (0.046 R)
• M7: 2,337,467 km (0.064 R)
• M8: 2,685,282 km (0.078 R)
• M9: 3,256,895 km (0.096 R)
• M10: 4,603,426 km (0.085 R)
• M11: 5,380,138 km (0.085 R)
• M12: 5,820,255 km (0.061 R)
• M13: 7,142,550 km (0.108 R)
• M14: 7,575,487 km (0.098 R)
• M15: 7,773,554 km (0.114 R)
• M16: 9,034,664 km (0.059 R)
• M17: 11,301,222 km (0.063 R)
• M18: 14,443,974 km (0.07 R)
• M19: 14,902,790 km (0.108 R)
• M20: 17,428,900 km (0.116 R)
• M21: 18,036,417 km (0.039 R)
• M22: 24,367,848 km (0.11 R)
• M23: 24,908,644 km (0.084 R)
• M24: 26,014,023 km (0.066 R)
• M25: 28,085,504 km (0.083 R)
• M26: 29,893,843 km (0.101 R)
• M27: 30,763,605 km (0.105 R)
• M28: 38,484,052 km (0.101 R)
• M29: 40,862,658 km (0.067 R)
• M30: 41,166,641 km (0.086 R)
• M31: 46,403,764 km (0.106 R)
• M32: 63,108,610 km (0.098 R)
• M33: 64,744,163 km (0.09 R)
• M34: 68,956,241 km (0.112 R)
• M35: 71,348,909 km (0.063 R)
• M36: 74,700,051 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.6

Radius: 5.3

Gravity: 17.18 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 11.87 AU - 15.39 AU

Year: 18759 Days

Day: 16.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,873,099 km

• M1: 67,469 km (0.115 R)
• M2: 267,631 km (0.081 R)
• M3: 489,634 km (0.095 R)
• M4: 666,159 km (0.107 R)
• M5: 1,054,366 km (0.098 R)
• M6: 1,327,382 km (0.1 R)
• M7: 1,614,011 km (0.087 R)
• M8: 1,886,579 km (0.046 R)
• M9: 2,480,632 km (0.119 R)
• M10: 3,039,380 km (0.117 R)
• M11: 3,822,226 km (0.11 R)
• M12: 4,213,574 km (0.084 R)
• M13: 5,146,915 km (0.104 R)
• M14: 6,332,927 km (0.074 R)
• M15: 6,581,858 km (0.059 R)
• M16: 6,967,670 km (0.042 R)
• M17: 8,713,328 km (0.099 R)
• M18: 9,021,500 km (0.103 R)
• M19: 9,605,380 km (0.064 R)
• M20: 9,934,346 km (0.11 R)
• M21: 10,214,094 km (0.07 R)
• M22: 18,194,243 km (0.086 R)
• M23: 20,623,712 km (0.119 R)
• M24: 22,774,481 km (0.12 R)
• M25: 24,457,157 km (0.115 R)
• M26: 26,221,066 km (0.076 R)
• M27: 32,751,911 km (0.117 R)
• M28: 43,929,714 km (0.054 R)
• M29: 44,531,995 km (0.12 R)
• M30: 49,875,182 km (0.06 R)
• M31: 60,875,413 km (0.091 R)
• M32: 61,436,106 km (0.113 R)
• M33: 63,521,649 km (0.056 R)
• M34: 63,905,817 km (0.069 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 11,266 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit