🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.62 AU - 0.62 AU

Year: 315 Days

Day: 44.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,543,427 km

• M1: 635,342 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.9

Radius: 9.5

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.73 AU - 1.19 AU

Year: 607 Days

Day: 15 Hours

Environment

Temp: -166 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,543,427 km

• M1: 118,182 km (0.065 R)
• M2: 490,083 km (0.112 R)
• M3: 823,686 km (0.092 R)
• M4: 1,159,084 km (0.092 R)
• M5: 1,565,542 km (0.098 R)
• M6: 1,874,761 km (0.104 R)
• M7: 2,171,263 km (0.061 R)
• M8: 2,518,929 km (0.066 R)
• M9: 2,817,526 km (0.117 R)
• M10: 3,449,577 km (0.062 R)
• M11: 3,980,201 km (0.088 R)
• M12: 4,654,439 km (0.068 R)
• M13: 5,850,174 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.8

Radius: 11.7

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.07 AU - 1.65 AU

Year: 1024 Days

Day: 6.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 100.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,543,427 km

• M1: 146,606 km (0.118 R)
• M2: 664,514 km (0.099 R)
• M3: 1,041,351 km (0.053 R)
• M4: 1,653,056 km (0.109 R)
• M5: 2,147,328 km (0.101 R)
• M6: 2,637,111 km (0.083 R)
• M7: 3,278,437 km (0.119 R)
• M8: 3,946,691 km (0.073 R)
• M9: 6,178,242 km (0.05 R)
• M10: 7,540,780 km (0.08 R)
• M11: 8,231,473 km (0.068 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807

Radius: 7

Gravity: 16.47 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.03 AU - 9.33 AU

Year: 13742 Days

Day: 16.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 76,543,427 km

• M1: 87,066 km (0.062 R)
• M2: 641,326 km (0.099 R)
• M3: 1,098,946 km (0.091 R)
• M4: 1,842,597 km (0.099 R)
• M5: 2,292,139 km (0.093 R)
• M6: 2,564,855 km (0.09 R)
• M7: 2,835,628 km (0.054 R)
• M8: 3,175,813 km (0.043 R)
• M9: 4,553,310 km (0.111 R)
• M10: 6,911,721 km (0.093 R)
• M11: 7,438,605 km (0.102 R)
• M12: 8,424,903 km (0.106 R)
• M13: 8,722,154 km (0.103 R)
• M14: 9,495,725 km (0.116 R)
• M15: 9,872,113 km (0.108 R)
• M16: 11,357,470 km (0.104 R)
• M17: 12,469,282 km (0.114 R)
• M18: 12,790,618 km (0.07 R)
• M19: 14,480,924 km (0.048 R)
• M20: 15,637,615 km (0.063 R)
• M21: 15,936,212 km (0.072 R)
• M22: 16,162,554 km (0.106 R)
• M23: 16,776,952 km (0.062 R)
• M24: 18,796,972 km (0.062 R)
• M25: 22,169,806 km (0.104 R)
• M26: 25,511,374 km (0.058 R)
• M27: 28,837,682 km (0.085 R)
• M28: 32,200,942 km (0.044 R)
• M29: 38,870,015 km (0.116 R)
• M30: 42,380,927 km (0.044 R)
• M31: 42,670,698 km (0.096 R)
• M32: 45,186,635 km (0.098 R)
• M33: 51,328,525 km (0.114 R)
• M34: 52,486,862 km (0.078 R)
• M35: 56,590,331 km (0.099 R)
• M36: 58,182,801 km (0.094 R)
• M37: 60,535,227 km (0.072 R)
• M38: 61,086,944 km (0.088 R)
• M39: 61,827,902 km (0.095 R)
• M40: 62,387,548 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687

Radius: 7.9

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.67 AU - 9.09 AU

Year: 15663 Days

Day: 15.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,543,427 km

• M1: 100,829 km (0.081 R)
• M2: 450,439 km (0.081 R)
• M3: 740,360 km (0.109 R)
• M4: 2,295,879 km (0.103 R)
• M5: 2,549,148 km (0.053 R)
• M6: 3,087,700 km (0.108 R)
• M7: 3,671,730 km (0.107 R)
• M8: 3,960,604 km (0.078 R)
• M9: 4,422,263 km (0.103 R)
• M10: 8,321,082 km (0.102 R)
• M11: 8,618,782 km (0.111 R)
• M12: 9,288,532 km (0.066 R)
• M13: 12,064,021 km (0.096 R)
• M14: 14,124,433 km (0.096 R)
• M15: 14,764,113 km (0.109 R)
• M16: 15,872,783 km (0.056 R)
• M17: 16,254,407 km (0.097 R)
• M18: 17,115,492 km (0.113 R)
• M19: 20,594,241 km (0.101 R)
• M20: 23,518,132 km (0.113 R)
• M21: 26,387,120 km (0.062 R)
• M22: 27,905,388 km (0.116 R)
• M23: 28,461,593 km (0.081 R)
• M24: 29,366,660 km (0.085 R)
• M25: 29,826,375 km (0.078 R)
• M26: 33,428,542 km (0.089 R)
• M27: 33,929,844 km (0.045 R)
• M28: 34,435,934 km (0.065 R)
• M29: 35,984,870 km (0.094 R)
• M30: 43,830,381 km (0.12 R)
• M31: 49,757,748 km (0.097 R)
• M32: 50,411,191 km (0.057 R)
• M33: 53,593,288 km (0.066 R)
• M34: 56,198,086 km (0.098 R)
• M35: 59,800,851 km (0.044 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.5

Radius: 5.8

Gravity: 18.42 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 9.56 AU - 10.96 AU

Year: 21220 Days

Day: 19.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,543,427 km

• M1: 72,555 km (0.086 R)
• M2: 256,112 km (0.094 R)
• M3: 454,478 km (0.114 R)
• M4: 639,082 km (0.09 R)
• M5: 853,605 km (0.102 R)
• M6: 1,295,966 km (0.113 R)
• M7: 1,662,481 km (0.04 R)
• M8: 2,462,381 km (0.117 R)
• M9: 3,493,409 km (0.109 R)
• M10: 5,342,589 km (0.086 R)
• M11: 6,280,268 km (0.026 R)
• M12: 6,765,564 km (0.105 R)
• M13: 7,515,498 km (0.067 R)
• M14: 9,804,196 km (0.108 R)
• M15: 11,848,002 km (0.114 R)
• M16: 12,247,877 km (0.036 R)
• M17: 12,519,397 km (0.107 R)
• M18: 14,610,027 km (0.05 R)
• M19: 19,745,124 km (0.078 R)
• M20: 25,412,789 km (0.05 R)
• M21: 29,213,622 km (0.092 R)
• M22: 30,189,000 km (0.044 R)
• M23: 34,847,926 km (0.118 R)
• M24: 37,064,069 km (0.081 R)
• M25: 41,165,295 km (0.083 R)
• M26: 48,712,208 km (0.032 R)
• M27: 51,126,419 km (0.113 R)
• M28: 51,830,725 km (0.087 R)
• M29: 52,541,315 km (0.059 R)
• M30: 68,152,751 km (0.101 R)
• M31: 74,948,683 km (0.119 R)
• M32: 76,085,477 km (0.108 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 14,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit