🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.2

Radius: 11.9

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.94 AU - 1.16 AU

Year: 756 Days

Day: 9.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,756,231 km

• M1: 147,952 km (0.092 R)
• M2: 891,903 km (0.053 R)
• M3: 1,405,472 km (0.03 R)
• M4: 2,062,955 km (0.032 R)
• M5: 2,618,711 km (0.081 R)
• M6: 3,249,864 km (0.106 R)
• M7: 4,667,304 km (0.073 R)
• M8: 5,173,543 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.9

Radius: 11.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.95 AU - 2.05 AU

Year: 1988 Days

Day: 14.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,756,231 km

• M1: 143,165 km (0.059 R)
• M2: 686,355 km (0.104 R)
• M3: 1,169,855 km (0.082 R)
• M4: 1,878,500 km (0.116 R)
• M5: 3,024,420 km (0.09 R)
• M6: 3,946,990 km (0.114 R)
• M7: 4,571,861 km (0.069 R)
• M8: 4,995,372 km (0.089 R)
• M9: 5,389,562 km (0.106 R)
• M10: 6,099,704 km (0.067 R)
• M11: 6,849,488 km (0.112 R)
• M12: 7,497,396 km (0.059 R)
• M13: 8,064,073 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556

Radius: 13.6

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.79 AU - 2.27 AU

Year: 2033 Days

Day: 13.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,756,231 km

• M1: 180,714 km (0.11 R)
• M2: 665,411 km (0.087 R)
• M3: 1,222,963 km (0.111 R)
• M4: 1,776,924 km (0.116 R)
• M5: 2,233,496 km (0.089 R)
• M6: 2,956,353 km (0.065 R)
• M7: 4,291,215 km (0.077 R)
• M8: 5,549,782 km (0.091 R)
• M9: 6,440,787 km (0.056 R)
• M10: 9,071,016 km (0.078 R)
• M11: 9,996,878 km (0.036 R)
• M12: 11,615,676 km (0.1 R)
• M13: 14,826,346 km (0.073 R)
• M14: 15,413,667 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.1

Radius: 13.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.3 AU - 3.16 AU

Year: 3171 Days

Day: 12.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,756,231 km

• M1: 171,888 km (0.114 R)
• M2: 950,545 km (0.062 R)
• M3: 1,573,022 km (0.06 R)
• M4: 2,389,826 km (0.112 R)
• M5: 3,276,792 km (0.075 R)
• M6: 4,119,626 km (0.077 R)
• M7: 4,796,856 km (0.098 R)
• M8: 5,598,551 km (0.078 R)
• M9: 6,319,463 km (0.113 R)
• M10: 7,469,422 km (0.101 R)
• M11: 10,067,338 km (0.101 R)
• M12: 11,135,168 km (0.085 R)
• M13: 11,930,879 km (0.111 R)
• M14: 12,990,032 km (0.107 R)
• M15: 13,919,633 km (0.077 R)
• M16: 16,491,220 km (0.069 R)
• M17: 16,921,614 km (0.108 R)
• M18: 17,359,487 km (0.113 R)
• M19: 19,305,755 km (0.114 R)
• M20: 19,904,894 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.5

Radius: 13.6

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.56 AU - 3.04 AU

Year: 3293 Days

Day: 8.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,756,231 km

• M1: 173,534 km (0.093 R)
• M2: 954,734 km (0.103 R)
• M3: 1,988,305 km (0.079 R)
• M4: 2,474,648 km (0.059 R)
• M5: 3,075,433 km (0.08 R)
• M6: 4,084,321 km (0.104 R)
• M7: 5,252,082 km (0.112 R)
• M8: 6,222,972 km (0.105 R)
• M9: 7,183,540 km (0.11 R)
• M10: 8,000,943 km (0.097 R)
• M11: 11,509,013 km (0.108 R)
• M12: 13,049,273 km (0.06 R)
• M13: 13,479,067 km (0.092 R)
• M14: 13,967,804 km (0.111 R)
• M15: 14,722,974 km (0.069 R)
• M16: 17,553,814 km (0.072 R)
• M17: 18,612,967 km (0.064 R)
• M18: 19,965,033 km (0.042 R)
• M19: 20,988,731 km (0.102 R)
• M20: 22,453,144 km (0.088 R)
• M21: 23,140,846 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.5

Radius: 9.6

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.91 AU - 3.81 AU

Year: 4329 Days

Day: 11.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,756,231 km

• M1: 119,379 km (0.071 R)
• M2: 733,030 km (0.071 R)
• M3: 1,108,520 km (0.062 R)
• M4: 1,443,470 km (0.095 R)
• M5: 1,821,055 km (0.104 R)
• M6: 2,324,452 km (0.112 R)
• M7: 2,990,312 km (0.109 R)
• M8: 4,062,480 km (0.093 R)
• M9: 6,051,383 km (0.058 R)
• M10: 6,659,349 km (0.083 R)
• M11: 7,108,891 km (0.044 R)
• M12: 7,647,144 km (0.112 R)
• M13: 8,357,883 km (0.114 R)
• M14: 9,505,897 km (0.101 R)
• M15: 10,159,640 km (0.12 R)
• M16: 10,755,937 km (0.03 R)
• M17: 13,630,161 km (0.071 R)
• M18: 14,514,434 km (0.045 R)
• M19: 15,216,048 km (0.076 R)
• M20: 16,110,344 km (0.087 R)
• M21: 16,628,701 km (0.078 R)
• M22: 18,312,425 km (0.105 R)
• M23: 23,671,918 km (0.108 R)
• M24: 24,719,552 km (0.106 R)
• M25: 26,667,017 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.7

Radius: 8.8

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.97 AU - 4.91 AU

Year: 5497 Days

Day: 13.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,756,231 km

• M1: 109,655 km (0.063 R)
• M2: 384,766 km (0.103 R)
• M3: 987,047 km (0.027 R)
• M4: 1,511,836 km (0.106 R)
• M5: 1,832,574 km (0.045 R)
• M6: 2,326,845 km (0.081 R)
• M7: 2,823,660 km (0.104 R)
• M8: 4,050,512 km (0.085 R)
• M9: 4,915,188 km (0.089 R)
• M10: 5,788,540 km (0.107 R)
• M11: 6,120,348 km (0.047 R)
• M12: 6,731,605 km (0.114 R)
• M13: 7,642,058 km (0.068 R)
• M14: 8,144,108 km (0.081 R)
• M15: 8,739,358 km (0.106 R)
• M16: 9,363,480 km (0.078 R)
• M17: 9,744,207 km (0.027 R)
• M18: 10,056,268 km (0.115 R)
• M19: 10,659,447 km (0.102 R)
• M20: 15,104,747 km (0.098 R)
• M21: 15,682,195 km (0.119 R)
• M22: 16,713,972 km (0.112 R)
• M23: 18,081,147 km (0.087 R)
• M24: 18,792,036 km (0.067 R)
• M25: 20,080,821 km (0.097 R)

Asteroid Belt

Center: 6.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.2

Radius: 7.6

Gravity: 15.2 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.23 AU - 10.37 AU

Year: 18350 Days

Day: 24.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,756,231 km

• M1: 94,546 km (0.04 R)
• M2: 379,231 km (0.118 R)
• M3: 1,172,099 km (0.079 R)
• M4: 3,351,591 km (0.106 R)
• M5: 4,011,168 km (0.114 R)
• M6: 5,158,733 km (0.068 R)
• M7: 5,546,042 km (0.046 R)
• M8: 8,343,672 km (0.099 R)
• M9: 9,098,094 km (0.11 R)
• M10: 9,722,066 km (0.09 R)
• M11: 11,118,563 km (0.052 R)
• M12: 12,506,083 km (0.093 R)
• M13: 14,379,347 km (0.118 R)
• M14: 15,700,745 km (0.041 R)
• M15: 16,267,721 km (0.068 R)
• M16: 17,186,103 km (0.061 R)
• M17: 17,442,513 km (0.073 R)
• M18: 18,672,806 km (0.046 R)
• M19: 22,709,854 km (0.069 R)
• M20: 27,525,709 km (0.116 R)
• M21: 33,244,536 km (0.054 R)
• M22: 37,802,933 km (0.074 R)
• M23: 38,091,956 km (0.048 R)
• M24: 39,262,560 km (0.064 R)
• M25: 41,983,595 km (0.075 R)
• M26: 44,505,815 km (0.05 R)
• M27: 47,462,019 km (0.087 R)
• M28: 48,136,256 km (0.071 R)
• M29: 49,331,543 km (0.07 R)
• M30: 60,597,460 km (0.119 R)
• M31: 62,998,655 km (0.096 R)
• M32: 65,047,398 km (0.07 R)
• M33: 66,718,107 km (0.101 R)
• M34: 70,581,472 km (0.046 R)
• M35: 71,019,794 km (0.074 R)
• M36: 75,961,161 km (0.112 R)
• M37: 77,347,485 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671

Radius: 6.6

Gravity: 15.4 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.23 AU - 9.47 AU

Year: 18506 Days

Day: 20.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,756,231 km

• M1: 82,129 km (0.095 R)
• M2: 381,175 km (0.081 R)
• M3: 699,520 km (0.079 R)
• M4: 1,229,096 km (0.093 R)
• M5: 1,638,695 km (0.028 R)
• M6: 2,075,970 km (0.118 R)
• M7: 2,497,387 km (0.103 R)
• M8: 2,752,601 km (0.067 R)
• M9: 5,022,001 km (0.066 R)
• M10: 6,187,518 km (0.112 R)
• M11: 6,789,051 km (0.115 R)
• M12: 7,428,881 km (0.085 R)
• M13: 8,462,901 km (0.117 R)
• M14: 8,722,603 km (0.104 R)
• M15: 9,149,256 km (0.071 R)
• M16: 9,758,568 km (0.038 R)
• M17: 9,986,555 km (0.032 R)
• M18: 10,394,359 km (0.051 R)
• M19: 11,812,846 km (0.114 R)
• M20: 13,779,161 km (0.092 R)
• M21: 14,505,010 km (0.109 R)
• M22: 18,959,286 km (0.066 R)
• M23: 22,027,389 km (0.057 R)
• M24: 26,280,905 km (0.09 R)
• M25: 26,611,965 km (0.112 R)
• M26: 27,964,480 km (0.041 R)
• M27: 29,362,322 km (0.099 R)
• M28: 32,170,424 km (0.115 R)
• M29: 38,882,431 km (0.078 R)
• M30: 43,020,458 km (0.076 R)
• M31: 47,117,196 km (0.108 R)
• M32: 47,933,701 km (0.116 R)
• M33: 48,262,966 km (0.112 R)
• M34: 48,759,631 km (0.087 R)
• M35: 70,049,801 km (0.084 R)
• M36: 70,473,762 km (0.099 R)
• M37: 71,756,264 km (0.043 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 17,506 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit