🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.9

Radius: 13.6

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.07 AU - 1.35 AU

Year: 919 Days

Day: 10.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,743,129 km

• M1: 169,195 km (0.05 R)
• M2: 629,957 km (0.101 R)
• M3: 1,181,524 km (0.106 R)
• M4: 1,724,415 km (0.036 R)
• M5: 2,296,028 km (0.115 R)
• M6: 2,981,635 km (0.071 R)
• M7: 3,559,681 km (0.111 R)
• M8: 4,038,245 km (0.097 R)
• M9: 4,590,859 km (0.105 R)
• M10: 6,599,211 km (0.118 R)
• M11: 7,113,080 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.2

Radius: 8.1

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.35 AU - 1.51 AU

Year: 1180 Days

Day: 9.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,743,129 km

• M1: 100,679 km (0.103 R)
• M2: 384,317 km (0.087 R)
• M3: 722,857 km (0.119 R)
• M4: 996,322 km (0.082 R)
• M5: 1,266,795 km (0.108 R)
• M6: 1,762,113 km (0.093 R)
• M7: 2,080,607 km (0.044 R)
• M8: 2,624,994 km (0.098 R)
• M9: 3,042,821 km (0.102 R)
• M10: 3,713,917 km (0.101 R)
• M11: 3,979,752 km (0.068 R)
• M12: 4,497,361 km (0.099 R)
• M13: 4,928,352 km (0.054 R)
• M14: 5,606,031 km (0.101 R)
• M15: 6,388,427 km (0.086 R)
• M16: 6,887,037 km (0.084 R)
• M17: 7,558,732 km (0.107 R)
• M18: 7,885,154 km (0.089 R)
• M19: 8,620,129 km (0.098 R)
• M20: 9,660,582 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.5

Radius: 10.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.48 AU - 1.58 AU

Year: 1306 Days

Day: 10.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,743,129 km

• M1: 129,552 km (0.098 R)
• M2: 558,150 km (0.101 R)
• M3: 1,037,910 km (0.078 R)
• M4: 1,539,212 km (0.071 R)
• M5: 1,969,157 km (0.069 R)
• M6: 2,565,603 km (0.12 R)
• M7: 3,728,278 km (0.108 R)
• M8: 4,306,324 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.2

Radius: 12.7

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.65 AU - 2.65 AU

Year: 2176 Days

Day: 6.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 126.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,743,129 km

• M1: 158,275 km (0.073 R)
• M2: 1,003,353 km (0.117 R)
• M3: 1,760,617 km (0.105 R)
• M4: 2,899,656 km (0.026 R)
• M5: 4,669,698 km (0.093 R)
• M6: 5,653,902 km (0.081 R)
• M7: 6,771,697 km (0.044 R)
• M8: 9,288,083 km (0.089 R)
• M9: 10,206,913 km (0.097 R)
• M10: 12,299,189 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.8

Radius: 14.1

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.25 AU - 2.79 AU

Year: 2761 Days

Day: 8.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,743,129 km

• M1: 175,329 km (0.089 R)
• M2: 615,745 km (0.105 R)
• M3: 1,227,600 km (0.112 R)
• M4: 2,023,012 km (0.109 R)
• M5: 2,944,834 km (0.07 R)
• M6: 3,439,554 km (0.09 R)
• M7: 4,403,413 km (0.11 R)
• M8: 5,847,033 km (0.101 R)
• M9: 7,462,989 km (0.095 R)
• M10: 8,193,475 km (0.08 R)
• M11: 9,075,953 km (0.052 R)
• M12: 9,797,314 km (0.088 R)
• M13: 10,479,032 km (0.086 R)
• M14: 11,192,015 km (0.038 R)
• M15: 11,979,648 km (0.03 R)
• M16: 13,072,012 km (0.106 R)
• M17: 13,527,088 km (0.085 R)
• M18: 15,005,863 km (0.087 R)
• M19: 16,327,112 km (0.106 R)
• M20: 17,724,655 km (0.061 R)
• M21: 18,509,595 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.8

Radius: 8.3

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.03 AU - 3.11 AU

Year: 2844 Days

Day: 8.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 57.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,743,129 km

• M1: 105,167 km (0.092 R)
• M2: 385,813 km (0.083 R)
• M3: 681,568 km (0.094 R)
• M4: 1,057,059 km (0.107 R)
• M5: 1,545,645 km (0.1 R)
• M6: 1,824,196 km (0.112 R)
• M7: 2,177,846 km (0.117 R)
• M8: 2,453,854 km (0.093 R)
• M9: 2,920,599 km (0.095 R)
• M10: 3,660,211 km (0.081 R)
• M11: 4,404,909 km (0.068 R)
• M12: 5,939,185 km (0.107 R)
• M13: 6,903,493 km (0.103 R)
• M14: 8,242,543 km (0.042 R)
• M15: 10,259,721 km (0.047 R)
• M16: 11,296,734 km (0.11 R)
• M17: 15,346,498 km (0.069 R)
• M18: 17,781,203 km (0.107 R)
• M19: 20,462,146 km (0.101 R)
• M20: 21,172,287 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221

Radius: 8.4

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.24 AU - 4.1 AU

Year: 4853 Days

Day: 6 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,743,129 km

• M1: 104,569 km (0.057 R)
• M2: 390,750 km (0.099 R)
• M3: 700,417 km (0.027 R)
• M4: 1,377,796 km (0.109 R)
• M5: 1,767,050 km (0.08 R)
• M6: 2,310,390 km (0.12 R)
• M7: 2,928,079 km (0.107 R)
• M8: 4,210,582 km (0.049 R)
• M9: 5,625,628 km (0.062 R)
• M10: 7,929,435 km (0.052 R)
• M11: 11,694,963 km (0.063 R)
• M12: 14,633,065 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434

Radius: 14.2

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.77 AU - 4.39 AU

Year: 5689 Days

Day: 6.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,743,129 km

• M1: 176,675 km (0.063 R)
• M2: 927,357 km (0.118 R)
• M3: 1,487,003 km (0.1 R)
• M4: 2,753,199 km (0.092 R)
• M5: 3,225,031 km (0.116 R)
• M6: 3,990,822 km (0.107 R)
• M7: 5,685,168 km (0.109 R)
• M8: 8,399,322 km (0.072 R)
• M9: 9,244,101 km (0.111 R)
• M10: 10,314,624 km (0.08 R)
• M11: 11,103,154 km (0.092 R)
• M12: 11,931,477 km (0.098 R)
• M13: 12,603,920 km (0.098 R)
• M14: 13,659,931 km (0.118 R)
• M15: 14,993,147 km (0.105 R)
• M16: 15,833,738 km (0.116 R)
• M17: 17,304,285 km (0.095 R)
• M18: 18,800,114 km (0.1 R)
• M19: 19,711,614 km (0.073 R)
• M20: 22,478,726 km (0.118 R)
• M21: 22,988,256 km (0.059 R)
• M22: 23,431,215 km (0.082 R)
• M23: 26,129,662 km (0.087 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.8

Radius: 12.1

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.6 AU - 5.78 AU

Year: 8161 Days

Day: 10.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,743,129 km

• M1: 150,495 km (0.113 R)
• M2: 555,756 km (0.086 R)
• M3: 1,292,974 km (0.094 R)
• M4: 1,909,168 km (0.094 R)
• M5: 2,674,511 km (0.07 R)
• M6: 3,512,408 km (0.082 R)
• M7: 4,319,339 km (0.062 R)
• M8: 4,812,115 km (0.057 R)
• M9: 5,472,739 km (0.065 R)
• M10: 5,911,360 km (0.052 R)
• M11: 6,745,218 km (0.069 R)
• M12: 7,451,171 km (0.081 R)
• M13: 8,076,639 km (0.102 R)
• M14: 9,150,004 km (0.091 R)
• M15: 9,769,938 km (0.091 R)
• M16: 12,021,984 km (0.115 R)
• M17: 13,479,965 km (0.069 R)
• M18: 13,908,563 km (0.045 R)
• M19: 15,118,211 km (0.075 R)
• M20: 15,581,067 km (0.081 R)
• M21: 17,312,064 km (0.039 R)
• M22: 20,183,595 km (0.108 R)
• M23: 24,336,881 km (0.033 R)
• M24: 26,756,926 km (0.118 R)
• M25: 30,998,324 km (0.062 R)
• M26: 34,402,574 km (0.077 R)
• M27: 37,203,794 km (0.043 R)
• M28: 39,277,669 km (0.076 R)
• M29: 40,027,603 km (0.078 R)
• M30: 41,042,475 km (0.09 R)
• M31: 42,335,150 km (0.116 R)
• M32: 45,685,095 km (0.083 R)
• M33: 46,514,616 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.2

Radius: 7

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.34 AU - 6.24 AU

Year: 9617 Days

Day: 15.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,743,129 km

• M1: 109,655 km (0.098 R)
• M2: 569,519 km (0.056 R)
• M3: 841,937 km (0.085 R)
• M4: 2,063,403 km (0.084 R)
• M5: 2,367,835 km (0.1 R)
• M6: 3,004,224 km (0.053 R)
• M7: 5,440,875 km (0.113 R)
• M8: 7,665,395 km (0.097 R)
• M9: 7,945,143 km (0.108 R)
• M10: 8,190,184 km (0.106 R)
• M11: 11,960,799 km (0.069 R)
• M12: 12,777,603 km (0.078 R)
• M13: 16,550,760 km (0.096 R)
• M14: 18,332,770 km (0.068 R)
• M15: 19,937,507 km (0.09 R)
• M16: 22,032,176 km (0.093 R)
• M17: 26,110,812 km (0.08 R)
• M18: 31,269,845 km (0.085 R)
• M19: 32,190,919 km (0.04 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: 398 - 20,277 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit