🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.53 AU - 0.61 AU

Year: 282 Days

Day: 39 Hours

Environment

Temp: -122 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,822,964 km

• M1: 176,974 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.1

Radius: 14.6

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.66 AU - 0.96 AU

Year: 478 Days

Day: 6 Hours

Environment

Temp: -149 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,822,964 km

• M1: 181,612 km (0.102 R)
• M2: 873,053 km (0.115 R)
• M3: 1,406,070 km (0.102 R)
• M4: 1,994,888 km (0.112 R)
• M5: 2,470,459 km (0.107 R)
• M6: 3,683,698 km (0.083 R)
• M7: 4,855,498 km (0.115 R)
• M8: 5,433,694 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.7

Radius: 13.5

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.38 AU - 2.06 AU

Year: 1480 Days

Day: 10.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 61.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,822,964 km

• M1: 167,849 km (0.097 R)
• M2: 693,685 km (0.108 R)
• M3: 1,152,203 km (0.033 R)
• M4: 1,641,238 km (0.072 R)
• M5: 2,198,191 km (0.102 R)
• M6: 2,669,873 km (0.085 R)
• M7: 3,287,862 km (0.072 R)
• M8: 3,821,777 km (0.069 R)
• M9: 4,432,585 km (0.106 R)
• M10: 5,194,487 km (0.105 R)
• M11: 6,163,432 km (0.08 R)
• M12: 7,222,286 km (0.113 R)
• M13: 7,695,464 km (0.115 R)
• M14: 9,049,325 km (0.12 R)
• M15: 10,276,925 km (0.08 R)
• M16: 11,425,687 km (0.111 R)
• M17: 11,954,515 km (0.066 R)
• M18: 12,658,373 km (0.116 R)
• M19: 14,892,468 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.7

Radius: 10

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.84 AU - 5.24 AU

Year: 7423 Days

Day: 15 Hours

Environment

Temp: -212 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,822,964 km

• M1: 124,316 km (0.106 R)
• M2: 443,558 km (0.106 R)
• M3: 1,066,184 km (0.109 R)
• M4: 1,484,160 km (0.101 R)
• M5: 2,240,827 km (0.112 R)
• M6: 2,855,524 km (0.055 R)
• M7: 3,325,261 km (0.105 R)
• M8: 4,100,178 km (0.042 R)
• M9: 4,614,496 km (0.102 R)
• M10: 5,419,183 km (0.094 R)
• M11: 6,490,902 km (0.083 R)
• M12: 7,077,176 km (0.105 R)
• M13: 8,146,053 km (0.106 R)
• M14: 8,654,386 km (0.058 R)
• M15: 9,319,349 km (0.119 R)
• M16: 9,922,827 km (0.104 R)
• M17: 11,944,193 km (0.032 R)
• M18: 13,571,818 km (0.106 R)
• M19: 16,649,794 km (0.106 R)
• M20: 19,114,120 km (0.105 R)
• M21: 20,317,934 km (0.068 R)
• M22: 21,892,751 km (0.077 R)
• M23: 24,232,162 km (0.109 R)
• M24: 28,429,430 km (0.085 R)
• M25: 31,722,976 km (0.065 R)
• M26: 32,453,014 km (0.055 R)
• M27: 33,194,122 km (0.082 R)
• M28: 36,498,739 km (0.064 R)
• M29: 40,137,558 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.3

Radius: 11.6

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.35 AU - 6.11 AU

Year: 7846 Days

Day: 14.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,822,964 km

• M1: 144,362 km (0.111 R)
• M2: 571,314 km (0.081 R)
• M3: 1,069,625 km (0.042 R)
• M4: 1,440,478 km (0.109 R)
• M5: 1,899,145 km (0.114 R)
• M6: 2,349,285 km (0.089 R)
• M7: 3,012,752 km (0.067 R)
• M8: 4,070,558 km (0.117 R)
• M9: 4,573,955 km (0.084 R)
• M10: 5,029,929 km (0.082 R)
• M11: 5,579,103 km (0.048 R)
• M12: 6,304,353 km (0.054 R)
• M13: 7,017,187 km (0.101 R)
• M14: 8,023,383 km (0.119 R)
• M15: 9,345,828 km (0.109 R)
• M16: 10,660,793 km (0.104 R)
• M17: 12,914,784 km (0.111 R)
• M18: 14,543,307 km (0.107 R)
• M19: 16,109,297 km (0.099 R)
• M20: 16,766,331 km (0.078 R)
• M21: 20,474,114 km (0.08 R)
• M22: 21,558,848 km (0.085 R)
• M23: 25,217,863 km (0.114 R)
• M24: 27,102,197 km (0.109 R)
• M25: 28,314,688 km (0.107 R)
• M26: 30,547,885 km (0.088 R)
• M27: 33,000,841 km (0.105 R)
• M28: 37,035,346 km (0.07 R)
• M29: 37,490,274 km (0.079 R)
• M30: 38,064,281 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.9

Radius: 12.5

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.61 AU - 5.93 AU

Year: 9092 Days

Day: 15 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,822,964 km

• M1: 155,731 km (0.107 R)
• M2: 724,652 km (0.044 R)
• M3: 1,151,006 km (0.088 R)
• M4: 1,656,348 km (0.047 R)
• M5: 3,127,942 km (0.096 R)
• M6: 4,284,184 km (0.1 R)
• M7: 4,681,815 km (0.111 R)
• M8: 5,339,746 km (0.117 R)
• M9: 6,289,693 km (0.092 R)
• M10: 7,766,373 km (0.116 R)
• M11: 9,507,094 km (0.115 R)
• M12: 10,659,447 km (0.093 R)
• M13: 11,851,143 km (0.075 R)
• M14: 14,855,069 km (0.102 R)
• M15: 15,524,070 km (0.119 R)
• M16: 16,086,409 km (0.091 R)
• M17: 18,402,932 km (0.044 R)
• M18: 22,322,246 km (0.079 R)
• M19: 23,935,659 km (0.112 R)
• M20: 27,756,987 km (0.029 R)
• M21: 30,877,001 km (0.077 R)
• M22: 33,185,296 km (0.074 R)
• M23: 33,909,948 km (0.09 R)
• M24: 35,930,566 km (0.049 R)
• M25: 36,365,896 km (0.082 R)
• M26: 36,804,816 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825.8

Radius: 7

Gravity: 16.85 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.81 AU - 7.13 AU

Year: 9569 Days

Day: 18.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,822,964 km

• M1: 87,066 km (0.095 R)
• M2: 585,376 km (0.101 R)
• M3: 1,082,191 km (0.052 R)
• M4: 1,768,995 km (0.115 R)
• M5: 3,698,658 km (0.058 R)
• M6: 4,213,873 km (0.069 R)
• M7: 5,287,088 km (0.091 R)
• M8: 5,869,472 km (0.082 R)
• M9: 7,201,941 km (0.104 R)
• M10: 9,101,235 km (0.112 R)
• M11: 10,929,620 km (0.103 R)
• M12: 11,702,443 km (0.099 R)
• M13: 12,452,228 km (0.06 R)
• M14: 13,172,392 km (0.07 R)
• M15: 13,730,392 km (0.087 R)
• M16: 13,983,511 km (0.101 R)
• M17: 20,782,884 km (0.081 R)
• M18: 21,966,802 km (0.036 R)
• M19: 22,400,336 km (0.062 R)
• M20: 24,654,178 km (0.083 R)
• M21: 28,057,230 km (0.077 R)
• M22: 28,567,658 km (0.087 R)
• M23: 35,066,339 km (0.043 R)
• M24: 42,085,023 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.2

Radius: 7.5

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.57 AU - 7.75 AU

Year: 11275 Days

Day: 21.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,822,964 km

• M1: 93,648 km (0.049 R)
• M2: 362,326 km (0.109 R)
• M3: 728,093 km (0.064 R)
• M4: 1,356,404 km (0.099 R)
• M5: 1,785,899 km (0.06 R)
• M6: 4,281,641 km (0.093 R)
• M7: 5,037,559 km (0.107 R)
• M8: 7,705,637 km (0.096 R)
• M9: 8,296,848 km (0.055 R)
• M10: 8,532,165 km (0.1 R)
• M11: 10,468,859 km (0.06 R)
• M12: 12,312,802 km (0.113 R)
• M13: 12,557,544 km (0.092 R)
• M14: 13,120,182 km (0.099 R)
• M15: 13,504,649 km (0.116 R)
• M16: 14,028,840 km (0.063 R)
• M17: 15,754,451 km (0.116 R)
• M18: 16,780,393 km (0.106 R)
• M19: 17,462,859 km (0.098 R)
• M20: 17,850,018 km (0.109 R)
• M21: 18,085,036 km (0.101 R)
• M22: 18,481,321 km (0.068 R)
• M23: 20,894,933 km (0.068 R)
• M24: 26,135,945 km (0.114 R)
• M25: 27,155,903 km (0.099 R)
• M26: 32,890,289 km (0.106 R)
• M27: 33,958,268 km (0.056 R)
• M28: 39,647,774 km (0.066 R)
• M29: 40,857,123 km (0.069 R)
• M30: 45,648,294 km (0.08 R)
• M31: 48,330,285 km (0.099 R)
• M32: 52,547,449 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.3

Radius: 6.5

Gravity: 14.35 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.58 AU - 7.8 AU

Year: 12647 Days

Day: 15.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,822,964 km

• M1: 80,783 km (0.107 R)
• M2: 421,118 km (0.07 R)
• M3: 676,781 km (0.104 R)
• M4: 880,832 km (0.032 R)
• M5: 2,444,728 km (0.034 R)
• M6: 2,803,015 km (0.099 R)
• M7: 4,062,480 km (0.07 R)
• M8: 6,211,902 km (0.097 R)
• M9: 7,421,550 km (0.045 R)
• M10: 7,768,917 km (0.057 R)
• M11: 8,264,385 km (0.062 R)
• M12: 9,268,186 km (0.094 R)
• M13: 10,895,363 km (0.117 R)
• M14: 14,771,743 km (0.091 R)
• M15: 15,182,987 km (0.041 R)
• M16: 16,028,365 km (0.067 R)
• M17: 18,122,136 km (0.069 R)
• M18: 21,159,721 km (0.102 R)
• M19: 22,213,489 km (0.1 R)
• M20: 25,388,554 km (0.084 R)
• M21: 25,780,949 km (0.08 R)
• M22: 26,577,857 km (0.071 R)
• M23: 32,506,271 km (0.055 R)
• M24: 34,263,896 km (0.074 R)
• M25: 35,470,254 km (0.119 R)
• M26: 39,389,568 km (0.084 R)
• M27: 41,115,778 km (0.11 R)
• M28: 46,742,453 km (0.07 R)
• M29: 48,525,510 km (0.095 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: 439 - 19,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit