🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.2

Radius: 10.3

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.65 AU - 0.89 AU

Year: 436 Days

Day: 5.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 122.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,308,439 km

• M1: 128,056 km (0.11 R)
• M2: 477,516 km (0.111 R)
• M3: 944,112 km (0.105 R)
• M4: 1,317,808 km (0.072 R)
• M5: 1,695,243 km (0.07 R)
• M6: 2,343,600 km (0.115 R)
• M7: 3,159,657 km (0.097 R)
• M8: 3,617,725 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.2

Radius: 8.4

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.71 AU - 0.91 AU

Year: 471 Days

Day: 11.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,308,439 km

• M1: 104,419 km (0.073 R)
• M2: 399,875 km (0.071 R)
• M3: 797,357 km (0.111 R)
• M4: 1,112,260 km (0.062 R)
• M5: 1,442,572 km (0.116 R)
• M6: 1,751,941 km (0.074 R)
• M7: 2,239,929 km (0.112 R)
• M8: 2,710,115 km (0.055 R)
• M9: 3,316,136 km (0.096 R)
• M10: 4,078,337 km (0.117 R)
• M11: 4,796,108 km (0.096 R)
• M12: 5,527,193 km (0.112 R)
• M13: 5,892,810 km (0.08 R)
• M14: 6,163,881 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.6

Radius: 13.9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.72 AU - 0.96 AU

Year: 497 Days

Day: 10.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 74 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,308,439 km

• M1: 172,935 km (0.079 R)
• M2: 682,765 km (0.09 R)
• M3: 1,175,091 km (0.1 R)
• M4: 1,840,503 km (0.054 R)
• M5: 2,383,244 km (0.098 R)
• M6: 3,577,932 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.6

Radius: 14.5

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.17 AU - 1.61 AU

Year: 1058 Days

Day: 12.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,308,439 km

• M1: 180,265 km (0.118 R)
• M2: 631,602 km (0.054 R)
• M3: 1,905,877 km (0.087 R)
• M4: 2,701,887 km (0.104 R)
• M5: 3,190,175 km (0.09 R)
• M6: 3,897,773 km (0.072 R)
• M7: 4,465,796 km (0.106 R)
• M8: 5,105,327 km (0.091 R)
• M9: 6,647,082 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.2

Radius: 14.2

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.24 AU - 5.56 AU

Year: 8102 Days

Day: 5 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,308,439 km

• M1: 176,825 km (0.103 R)
• M2: 677,379 km (0.112 R)
• M3: 2,182,184 km (0.087 R)
• M4: 2,963,235 km (0.116 R)
• M5: 3,743,537 km (0.11 R)
• M6: 5,057,306 km (0.05 R)
• M7: 6,528,002 km (0.084 R)
• M8: 7,345,106 km (0.108 R)
• M9: 17,273,917 km (0.064 R)
• M10: 17,720,466 km (0.109 R)
• M11: 20,140,212 km (0.101 R)
• M12: 21,723,107 km (0.068 R)
• M13: 22,696,690 km (0.1 R)
• M14: 23,310,191 km (0.086 R)
• M15: 28,801,480 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.2

Radius: 6.2

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.42 AU - 6.56 AU

Year: 10675 Days

Day: 20.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,308,439 km

• M1: 77,043 km (0.086 R)
• M2: 306,526 km (0.119 R)
• M3: 596,148 km (0.116 R)
• M4: 1,012,778 km (0.103 R)
• M5: 1,958,685 km (0.056 R)
• M6: 2,341,805 km (0.109 R)
• M7: 2,977,147 km (0.079 R)
• M8: 3,507,322 km (0.092 R)
• M9: 3,894,332 km (0.097 R)
• M10: 4,256,059 km (0.09 R)
• M11: 5,046,535 km (0.113 R)
• M12: 6,695,103 km (0.076 R)
• M13: 8,846,320 km (0.112 R)
• M14: 9,199,970 km (0.072 R)
• M15: 10,030,238 km (0.083 R)
• M16: 10,959,690 km (0.094 R)
• M17: 13,678,182 km (0.101 R)
• M18: 15,508,362 km (0.042 R)
• M19: 15,892,979 km (0.062 R)
• M20: 18,194,243 km (0.111 R)
• M21: 19,129,977 km (0.058 R)
• M22: 20,477,854 km (0.092 R)
• M23: 21,096,890 km (0.074 R)
• M24: 23,445,277 km (0.116 R)
• M25: 24,900,117 km (0.082 R)
• M26: 26,778,916 km (0.086 R)
• M27: 27,705,974 km (0.042 R)
• M28: 29,722,105 km (0.116 R)
• M29: 38,649,507 km (0.118 R)
• M30: 39,356,507 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.3

Radius: 5.6

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.94 AU - 7.48 AU

Year: 11223 Days

Day: 22.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,308,439 km

• M1: 97,388 km (0.062 R)
• M2: 329,714 km (0.11 R)
• M3: 514,617 km (0.086 R)
• M4: 870,360 km (0.089 R)
• M5: 1,903,334 km (0.042 R)
• M6: 5,288,734 km (0.07 R)
• M7: 7,655,521 km (0.052 R)
• M8: 8,159,068 km (0.118 R)
• M9: 9,232,133 km (0.113 R)
• M10: 11,237,044 km (0.109 R)
• M11: 11,693,318 km (0.089 R)
• M12: 13,387,962 km (0.083 R)
• M13: 14,470,752 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999

Radius: 3.9

Gravity: 65.68 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.57 AU - 7.41 AU

Year: 11932 Days

Day: 15.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 50,308,439 km

• M1: 52,658 km (0.061 R)
• M2: 202,256 km (0.116 R)
• M3: 338,241 km (0.094 R)
• M4: 699,071 km (0.065 R)
• M5: 1,185,563 km (0.069 R)
• M6: 1,816,567 km (0.118 R)
• M7: 2,031,988 km (0.043 R)
• M8: 2,366,339 km (0.056 R)
• M9: 3,168,782 km (0.11 R)
• M10: 3,427,886 km (0.066 R)
• M11: 3,562,673 km (0.06 R)
• M12: 5,147,812 km (0.102 R)
• M13: 5,996,032 km (0.035 R)
• M14: 7,549,756 km (0.065 R)
• M15: 7,686,488 km (0.1 R)
• M16: 13,579,597 km (0.115 R)
• M17: 13,714,235 km (0.119 R)
• M18: 15,620,262 km (0.039 R)
• M19: 16,066,512 km (0.073 R)
• M20: 17,856,151 km (0.087 R)
• M21: 18,344,140 km (0.102 R)
• M22: 20,121,662 km (0.109 R)
• M23: 20,827,913 km (0.07 R)
• M24: 21,459,366 km (0.112 R)
• M25: 23,818,973 km (0.094 R)
• M26: 24,909,691 km (0.087 R)
• M27: 27,297,273 km (0.103 R)
• M28: 28,053,191 km (0.108 R)
• M29: 29,833,107 km (0.029 R)
• M30: 31,451,157 km (0.108 R)
• M31: 31,686,923 km (0.112 R)
• M32: 32,521,530 km (0.087 R)
• M33: 34,860,642 km (0.116 R)
• M34: 35,113,313 km (0.107 R)
• M35: 41,831,155 km (0.069 R)
• M36: 42,402,768 km (0.102 R)
• M37: 47,319,602 km (0.082 R)
• M38: 53,772,057 km (0.115 R)
• M39: 54,958,219 km (0.08 R)
• M40: 58,265,977 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.6

Radius: 5.1

Gravity: 13.56 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.33 AU - 9.35 AU

Year: 18430 Days

Day: 22.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,308,439 km

• M1: 117,734 km (0.105 R)
• M2: 1,589,926 km (0.094 R)
• M3: 2,080,308 km (0.1 R)
• M4: 2,290,792 km (0.092 R)
• M5: 2,710,115 km (0.11 R)
• M6: 2,938,102 km (0.047 R)
• M7: 3,253,604 km (0.05 R)
• M8: 3,838,831 km (0.111 R)
• M9: 4,038,993 km (0.102 R)
• M10: 4,306,624 km (0.116 R)
• M11: 4,649,651 km (0.051 R)
• M12: 6,284,457 km (0.033 R)
• M13: 7,017,337 km (0.09 R)
• M14: 8,410,243 km (0.082 R)
• M15: 20,189,579 km (0.1 R)
• M16: 22,044,892 km (0.097 R)
• M17: 25,887,762 km (0.091 R)
• M18: 34,989,895 km (0.092 R)
• M19: 37,655,878 km (0.09 R)
• M20: 46,311,162 km (0.108 R)
• M21: 46,610,508 km (0.12 R)
• M22: 47,820,755 km (0.088 R)
• M23: 50,303,930 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.4

Radius: 5.8

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.49 AU - 10.53 AU

Year: 20449 Days

Day: 22.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,308,439 km

• M1: 72,256 km (0.093 R)
• M2: 270,323 km (0.1 R)
• M3: 1,151,455 km (0.086 R)
• M4: 1,642,285 km (0.052 R)
• M5: 1,994,738 km (0.064 R)
• M6: 2,357,812 km (0.118 R)
• M7: 3,534,399 km (0.048 R)
• M8: 4,264,587 km (0.082 R)
• M9: 4,993,876 km (0.06 R)
• M10: 5,254,625 km (0.115 R)
• M11: 6,018,622 km (0.096 R)
• M12: 7,341,516 km (0.046 R)
• M13: 7,895,028 km (0.039 R)
• M14: 13,678,182 km (0.106 R)
• M15: 14,060,255 km (0.066 R)
• M16: 17,750,087 km (0.112 R)
• M17: 18,052,274 km (0.114 R)
• M18: 18,281,159 km (0.052 R)
• M19: 19,216,146 km (0.115 R)
• M20: 21,951,094 km (0.066 R)
• M21: 23,456,348 km (0.056 R)
• M22: 24,934,823 km (0.092 R)
• M23: 25,986,497 km (0.095 R)
• M24: 30,814,768 km (0.042 R)
• M25: 32,248,663 km (0.088 R)
• M26: 32,585,857 km (0.104 R)
• M27: 36,694,413 km (0.074 R)
• M28: 37,679,664 km (0.104 R)
• M29: 38,935,987 km (0.112 R)
• M30: 43,007,593 km (0.063 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 11,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit