🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.3

Radius: 14.7

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.45 AU - 0.57 AU

Year: 243 Days

Day: 9.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,897,910 km

• M1: 182,809 km (0.053 R)
• M2: 641,775 km (0.087 R)
• M3: 1,266,047 km (0.064 R)
• M4: 1,765,853 km (0.114 R)
• M5: 2,368,882 km (0.09 R)
• M6: 3,299,082 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.6

Radius: 10.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.55 AU - 0.67 AU

Year: 318 Days

Day: 11.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,897,910 km

• M1: 127,009 km (0.061 R)
• M2: 470,336 km (0.074 R)
• M3: 801,246 km (0.106 R)
• M4: 1,155,494 km (0.101 R)
• M5: 1,507,647 km (0.082 R)
• M6: 2,003,265 km (0.106 R)
• M7: 2,494,395 km (0.09 R)
• M8: 2,921,198 km (0.086 R)
• M9: 3,283,075 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.6

Radius: 8.4

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.97 AU - 1.37 AU

Year: 844 Days

Day: 14.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,897,910 km

• M1: 104,419 km (0.098 R)
• M2: 455,526 km (0.067 R)
• M3: 1,003,203 km (0.074 R)
• M4: 1,355,506 km (0.045 R)
• M5: 1,695,692 km (0.062 R)
• M6: 2,131,770 km (0.081 R)
• M7: 2,629,482 km (0.086 R)
• M8: 3,011,106 km (0.117 R)
• M9: 3,429,531 km (0.092 R)
• M10: 3,946,093 km (0.072 R)
• M11: 4,286,727 km (0.083 R)
• M12: 4,663,714 km (0.085 R)
• M13: 5,045,039 km (0.098 R)
• M14: 5,949,208 km (0.084 R)
• M15: 6,652,318 km (0.079 R)
• M16: 7,690,378 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.6

Radius: 8.7

Gravity: 12.98 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.26 AU - 1.58 AU

Year: 1128 Days

Day: 8.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,897,910 km

• M1: 108,159 km (0.025 R)
• M2: 510,578 km (0.111 R)
• M3: 970,741 km (0.04 R)
• M4: 1,256,173 km (0.083 R)
• M5: 1,681,929 km (0.068 R)
• M6: 2,057,120 km (0.111 R)
• M7: 2,365,442 km (0.102 R)
• M8: 2,639,505 km (0.116 R)
• M9: 2,921,048 km (0.053 R)
• M10: 3,327,805 km (0.07 R)
• M11: 4,255,311 km (0.11 R)
• M12: 5,138,537 km (0.12 R)
• M13: 5,580,300 km (0.064 R)
• M14: 6,278,623 km (0.101 R)
• M15: 6,636,760 km (0.098 R)
• M16: 6,933,113 km (0.046 R)
• M17: 7,420,503 km (0.05 R)
• M18: 8,349,356 km (0.109 R)
• M19: 8,753,719 km (0.043 R)
• M20: 9,539,108 km (0.114 R)
• M21: 9,917,142 km (0.074 R)
• M22: 11,008,608 km (0.037 R)
• M23: 11,779,336 km (0.066 R)
• M24: 12,068,509 km (0.048 R)
• M25: 12,473,620 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.8

Radius: 11.5

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.63 AU - 2.13 AU

Year: 1719 Days

Day: 8.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,897,910 km

• M1: 143,764 km (0.119 R)
• M2: 742,604 km (0.119 R)
• M3: 1,219,522 km (0.049 R)
• M4: 1,708,408 km (0.055 R)
• M5: 2,187,570 km (0.053 R)
• M6: 2,755,892 km (0.111 R)
• M7: 3,196,906 km (0.09 R)
• M8: 3,963,446 km (0.113 R)
• M9: 6,461,132 km (0.097 R)
• M10: 7,512,207 km (0.051 R)
• M11: 8,117,629 km (0.117 R)
• M12: 8,700,911 km (0.103 R)
• M13: 9,198,773 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.1

Radius: 14.8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.75 AU - 3.85 AU

Year: 4940 Days

Day: 5.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,897,910 km

• M1: 184,454 km (0.089 R)
• M2: 1,007,841 km (0.062 R)
• M3: 1,659,190 km (0.064 R)
• M4: 2,230,355 km (0.119 R)
• M5: 2,901,451 km (0.08 R)
• M6: 4,031,064 km (0.116 R)
• M7: 4,719,514 km (0.073 R)
• M8: 5,244,901 km (0.091 R)
• M9: 6,146,378 km (0.076 R)
• M10: 8,323,027 km (0.119 R)
• M11: 8,956,574 km (0.082 R)
• M12: 11,131,428 km (0.076 R)
• M13: 11,901,558 km (0.078 R)
• M14: 14,285,699 km (0.103 R)
• M15: 17,721,364 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585

Radius: 13.5

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.6 AU - 4.06 AU

Year: 4998 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,897,910 km

• M1: 168,447 km (0.03 R)
• M2: 1,100,891 km (0.108 R)
• M3: 2,560,517 km (0.106 R)
• M4: 3,517,794 km (0.081 R)
• M5: 4,079,983 km (0.112 R)
• M6: 5,276,317 km (0.076 R)
• M7: 5,986,308 km (0.058 R)
• M8: 7,153,022 km (0.074 R)
• M9: 9,200,419 km (0.11 R)
• M10: 10,273,335 km (0.095 R)
• M11: 12,036,944 km (0.109 R)
• M12: 13,066,327 km (0.095 R)
• M13: 18,918,296 km (0.083 R)
• M14: 24,350,494 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.8

Radius: 10.2

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.02 AU - 6.52 AU

Year: 8068 Days

Day: 11.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,897,910 km

• M1: 126,859 km (0.099 R)
• M2: 625,319 km (0.1 R)
• M3: 1,572,722 km (0.072 R)
• M4: 2,197,742 km (0.1 R)
• M5: 3,083,212 km (0.074 R)
• M6: 4,267,878 km (0.115 R)
• M7: 5,152,450 km (0.092 R)
• M8: 5,514,178 km (0.114 R)
• M9: 6,022,810 km (0.099 R)
• M10: 7,432,471 km (0.084 R)
• M11: 8,054,050 km (0.1 R)
• M12: 9,896,498 km (0.075 R)
• M13: 12,588,511 km (0.114 R)
• M14: 14,336,862 km (0.077 R)
• M15: 17,488,889 km (0.066 R)
• M16: 17,895,795 km (0.11 R)
• M17: 18,658,146 km (0.083 R)
• M18: 20,025,919 km (0.096 R)
• M19: 21,847,572 km (0.103 R)
• M20: 25,905,414 km (0.095 R)
• M21: 26,791,183 km (0.047 R)
• M22: 28,157,610 km (0.086 R)
• M23: 31,326,243 km (0.111 R)
• M24: 32,535,143 km (0.098 R)
• M25: 35,693,005 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.2

Radius: 7.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.21 AU - 11.97 AU

Year: 21373 Days

Day: 19.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,897,910 km

• M1: 95,892 km (0.074 R)
• M2: 474,076 km (0.108 R)
• M3: 756,666 km (0.099 R)
• M4: 1,165,517 km (0.115 R)
• M5: 2,908,332 km (0.105 R)
• M6: 3,425,342 km (0.109 R)
• M7: 8,653,339 km (0.102 R)
• M8: 16,244,234 km (0.07 R)
• M9: 16,924,456 km (0.1 R)
• M10: 23,923,841 km (0.066 R)
• M11: 26,215,381 km (0.09 R)
• M12: 27,150,667 km (0.053 R)
• M13: 29,530,171 km (0.071 R)
• M14: 43,680,933 km (0.069 R)
• M15: 46,484,098 km (0.045 R)
• M16: 46,785,986 km (0.115 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 15,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit