🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.61 AU - 0.67 AU

Year: 197 Days

Day: 30.2 Hours

Environment

Temp: 135 °C

Axial Tilt: 32 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,505,377 km

• M1: 186,249 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.98 AU - 1.04 AU

Year: 391 Days

Day: 18.9 Hours

Environment

Temp: 9 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.85 AU - 1.31 AU

Year: 432 Days

Day: 21.9 Hours

Environment

Temp: -10 °C

Axial Tilt: 33.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.55 AU - 3.55 AU

Year: 2051 Days

Day: 20 Hours

Environment

Temp: -114 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,505,377 km

• M1: 25,880 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.1

Radius: 13.5

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.93 AU - 5.89 AU

Year: 4189 Days

Day: 13.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,505,377 km

• M1: 168,298 km (0.107 R)
• M2: 611,706 km (0.112 R)
• M3: 1,321,697 km (0.099 R)
• M4: 2,236,787 km (0.063 R)
• M5: 2,852,383 km (0.11 R)
• M6: 5,097,099 km (0.087 R)
• M7: 6,344,595 km (0.09 R)
• M8: 7,009,109 km (0.067 R)
• M9: 7,753,059 km (0.089 R)
• M10: 8,231,174 km (0.119 R)
• M11: 9,171,845 km (0.097 R)
• M12: 9,746,451 km (0.076 R)
• M13: 11,223,879 km (0.092 R)
• M14: 12,288,867 km (0.101 R)
• M15: 13,468,595 km (0.055 R)
• M16: 14,262,511 km (0.091 R)
• M17: 14,826,196 km (0.038 R)
• M18: 15,351,584 km (0.104 R)
• M19: 16,328,608 km (0.11 R)
• M20: 16,832,304 km (0.071 R)
• M21: 17,346,621 km (0.061 R)
• M22: 20,140,361 km (0.108 R)
• M23: 21,913,246 km (0.099 R)
• M24: 22,942,030 km (0.057 R)
• M25: 24,146,592 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.6

Radius: 13.3

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.23 AU - 6.73 AU

Year: 5630 Days

Day: 5.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,505,377 km

• M1: 165,605 km (0.066 R)
• M2: 709,393 km (0.098 R)
• M3: 1,141,581 km (0.064 R)
• M4: 1,743,862 km (0.114 R)
• M5: 2,732,555 km (0.106 R)
• M6: 3,321,372 km (0.064 R)
• M7: 4,517,706 km (0.032 R)
• M8: 5,889,219 km (0.055 R)
• M9: 6,304,802 km (0.103 R)
• M10: 6,808,797 km (0.099 R)
• M11: 8,285,628 km (0.118 R)
• M12: 8,808,921 km (0.116 R)
• M13: 10,056,268 km (0.1 R)
• M14: 10,887,733 km (0.09 R)
• M15: 12,740,802 km (0.045 R)
• M16: 13,881,635 km (0.091 R)
• M17: 15,387,338 km (0.088 R)
• M18: 17,582,537 km (0.106 R)
• M19: 19,134,465 km (0.115 R)
• M20: 20,266,622 km (0.066 R)
• M21: 20,922,758 km (0.053 R)
• M22: 21,819,747 km (0.072 R)
• M23: 22,431,902 km (0.118 R)
• M24: 26,090,916 km (0.088 R)
• M25: 27,042,508 km (0.059 R)
• M26: 28,923,252 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.6

Radius: 8.7

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.5 AU - 12.96 AU

Year: 13532 Days

Day: 10.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,505,377 km

• M1: 110,254 km (0.083 R)
• M2: 483,800 km (0.087 R)
• M3: 991,235 km (0.113 R)
• M4: 1,396,347 km (0.078 R)
• M5: 1,858,155 km (0.061 R)
• M6: 2,398,503 km (0.11 R)
• M7: 2,784,166 km (0.118 R)
• M8: 3,735,908 km (0.044 R)
• M9: 4,823,933 km (0.107 R)
• M10: 5,477,077 km (0.107 R)
• M11: 7,477,799 km (0.109 R)
• M12: 9,499,614 km (0.119 R)
• M13: 10,357,708 km (0.12 R)
• M14: 13,703,614 km (0.099 R)
• M15: 16,097,778 km (0.112 R)
• M16: 17,082,581 km (0.1 R)
• M17: 17,550,523 km (0.098 R)
• M18: 19,088,688 km (0.101 R)
• M19: 20,365,057 km (0.075 R)
• M20: 22,898,048 km (0.103 R)
• M21: 31,862,850 km (0.104 R)
• M22: 32,691,174 km (0.036 R)
• M23: 35,136,949 km (0.104 R)
• M24: 35,767,056 km (0.075 R)
• M25: 36,404,492 km (0.051 R)
• M26: 39,165,022 km (0.11 R)
• M27: 40,389,780 km (0.11 R)
• M28: 42,345,323 km (0.117 R)
• M29: 42,629,708 km (0.035 R)
• M30: 44,070,934 km (0.099 R)
• M31: 45,395,623 km (0.053 R)
• M32: 53,241,882 km (0.066 R)
• M33: 53,739,594 km (0.065 R)
• M34: 59,419,825 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227

Radius: 5.8

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 10.84 AU - 17.98 AU

Year: 21060 Days

Day: 22.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,505,377 km

• M1: 99,931 km (0.097 R)
• M2: 590,762 km (0.11 R)
• M3: 862,731 km (0.093 R)
• M4: 1,167,462 km (0.107 R)
• M5: 1,773,333 km (0.077 R)
• M6: 4,933,289 km (0.119 R)
• M7: 6,916,358 km (0.086 R)
• M8: 8,129,298 km (0.063 R)
• M9: 8,500,301 km (0.088 R)
• M10: 8,786,033 km (0.081 R)
• M11: 9,028,979 km (0.109 R)
• M12: 11,421,648 km (0.105 R)
• M13: 12,547,970 km (0.075 R)
• M14: 13,169,549 km (0.09 R)
• M15: 13,359,987 km (0.108 R)
• M16: 13,746,249 km (0.077 R)
• M17: 14,881,547 km (0.075 R)
• M18: 15,790,803 km (0.092 R)
• M19: 17,951,894 km (0.103 R)
• M20: 19,306,204 km (0.044 R)
• M21: 22,216,780 km (0.088 R)
• M22: 22,577,311 km (0.113 R)
• M23: 23,495,692 km (0.109 R)
• M24: 24,058,629 km (0.103 R)
• M25: 28,253,353 km (0.066 R)
• M26: 31,305,299 km (0.107 R)
• M27: 35,665,778 km (0.091 R)
• M28: 37,162,505 km (0.116 R)
• M29: 39,485,460 km (0.06 R)
• M30: 39,749,351 km (0.118 R)
• M31: 44,560,718 km (0.116 R)
• M32: 45,567,362 km (0.114 R)
• M33: 50,673,586 km (0.073 R)
• M34: 53,686,637 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.7

Radius: 3.9

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 16.05 AU - 19.81 AU

Year: 29231 Days

Day: 15.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,505,377 km

• M1: 51,611 km (0.059 R)
• M2: 260,899 km (0.101 R)
• M3: 922,420 km (0.077 R)
• M4: 2,636,363 km (0.072 R)
• M5: 3,069,300 km (0.107 R)
• M6: 3,960,005 km (0.118 R)
• M7: 5,179,228 km (0.102 R)
• M8: 5,855,410 km (0.093 R)
• M9: 8,234,764 km (0.03 R)
• M10: 9,507,094 km (0.086 R)
• M11: 10,961,186 km (0.094 R)
• M12: 11,361,210 km (0.031 R)
• M13: 11,593,985 km (0.097 R)
• M14: 12,129,545 km (0.093 R)
• M15: 12,995,118 km (0.11 R)
• M16: 18,183,621 km (0.043 R)
• M17: 18,342,494 km (0.105 R)
• M18: 21,098,984 km (0.043 R)
• M19: 27,415,605 km (0.072 R)
• M20: 29,334,198 km (0.104 R)
• M21: 34,275,864 km (0.098 R)
• M22: 34,761,908 km (0.088 R)
• M23: 35,252,589 km (0.095 R)
• M24: 40,280,723 km (0.102 R)
• M25: 43,317,559 km (0.115 R)
• M26: 45,327,556 km (0.032 R)
• M27: 50,779,800 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.2

Radius: 5.2

Gravity: 13.32 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 16.05 AU - 21.81 AU

Year: 31710 Days

Day: 19.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,505,377 km

• M1: 64,925 km (0.115 R)
• M2: 352,004 km (0.108 R)
• M3: 527,332 km (0.077 R)
• M4: 848,519 km (0.106 R)
• M5: 1,337,405 km (0.109 R)
• M6: 1,531,284 km (0.095 R)
• M7: 1,996,234 km (0.084 R)
• M8: 6,424,929 km (0.088 R)
• M9: 6,791,743 km (0.098 R)
• M10: 8,838,841 km (0.112 R)
• M11: 10,939,045 km (0.119 R)
• M12: 13,058,099 km (0.097 R)
• M13: 13,276,661 km (0.03 R)
• M14: 14,483,916 km (0.106 R)
• M15: 22,143,926 km (0.06 R)
• M16: 24,053,542 km (0.086 R)
• M17: 25,499,107 km (0.11 R)
• M18: 25,955,380 km (0.06 R)
• M19: 30,055,409 km (0.057 R)
• M20: 30,950,004 km (0.104 R)
• M21: 38,306,779 km (0.104 R)
• M22: 38,754,824 km (0.079 R)
• M23: 39,206,460 km (0.101 R)
• M24: 43,268,791 km (0.098 R)
• M25: 44,737,692 km (0.1 R)
• M26: 44,902,998 km (0.106 R)
• M27: 47,602,790 km (0.051 R)
• M28: 47,774,978 km (0.105 R)
• M29: 53,508,765 km (0.102 R)
• M30: 56,927,226 km (0.066 R)
• M31: 61,707,626 km (0.084 R)
• M32: 63,150,647 km (0.066 R)
• M33: 65,039,021 km (0.089 R)
• M34: 67,832,462 km (0.1 R)
• M35: 70,034,842 km (0.098 R)
• M36: 82,756,644 km (0.08 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 14,146 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit