🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.3

Radius: 9.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.74 AU - 0.92 AU

Year: 504 Days

Day: 14.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,588,732 km

• M1: 118,182 km (0.119 R)
• M2: 574,007 km (0.112 R)
• M3: 1,105,229 km (0.099 R)
• M4: 1,843,046 km (0.107 R)
• M5: 2,509,953 km (0.065 R)
• M6: 2,899,805 km (0.057 R)
• M7: 4,185,000 km (0.085 R)
• M8: 4,880,780 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.1

Radius: 9.9

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.05 AU - 1.75 AU

Year: 1105 Days

Day: 14.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,588,732 km

• M1: 123,119 km (0.101 R)
• M2: 455,376 km (0.108 R)
• M3: 956,678 km (0.107 R)
• M4: 1,373,907 km (0.084 R)
• M5: 1,742,067 km (0.069 R)
• M6: 2,524,464 km (0.066 R)
• M7: 3,056,284 km (0.073 R)
• M8: 3,495,653 km (0.059 R)
• M9: 4,519,202 km (0.065 R)
• M10: 4,976,822 km (0.071 R)
• M11: 5,607,527 km (0.1 R)
• M12: 6,114,663 km (0.094 R)
• M13: 6,909,028 km (0.049 R)
• M14: 7,221,089 km (0.088 R)
• M15: 8,374,938 km (0.117 R)
• M16: 9,066,828 km (0.075 R)
• M17: 9,677,187 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.5

Radius: 8.1

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.49 AU - 2.77 AU

Year: 2844 Days

Day: 12.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,588,732 km

• M1: 100,679 km (0.073 R)
• M2: 530,923 km (0.093 R)
• M3: 947,852 km (0.104 R)
• M4: 1,612,964 km (0.07 R)
• M5: 2,247,409 km (0.05 R)
• M6: 2,615,120 km (0.108 R)
• M7: 3,758,497 km (0.096 R)
• M8: 4,587,419 km (0.112 R)
• M9: 4,845,475 km (0.107 R)
• M10: 5,181,621 km (0.09 R)
• M11: 5,581,197 km (0.051 R)
• M12: 6,766,760 km (0.066 R)
• M13: 7,331,343 km (0.106 R)
• M14: 9,113,502 km (0.108 R)
• M15: 9,453,538 km (0.112 R)
• M16: 10,159,042 km (0.056 R)
• M17: 14,866,887 km (0.068 R)
• M18: 15,771,655 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.9

Radius: 12.8

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.7 AU - 3.08 AU

Year: 3276 Days

Day: 8.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,588,732 km

• M1: 159,172 km (0.047 R)
• M2: 563,685 km (0.117 R)
• M3: 972,835 km (0.095 R)
• M4: 1,428,061 km (0.063 R)
• M5: 2,212,553 km (0.063 R)
• M6: 2,664,787 km (0.101 R)
• M7: 4,106,162 km (0.079 R)
• M8: 4,565,428 km (0.079 R)
• M9: 6,181,683 km (0.113 R)
• M10: 6,997,889 km (0.066 R)
• M11: 7,950,828 km (0.098 R)
• M12: 9,097,047 km (0.118 R)
• M13: 11,039,425 km (0.111 R)
• M14: 15,782,276 km (0.115 R)
• M15: 16,477,757 km (0.062 R)
• M16: 17,417,830 km (0.081 R)
• M17: 18,045,094 km (0.032 R)
• M18: 19,405,088 km (0.091 R)
• M19: 19,955,608 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.3

Radius: 12.2

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.57 AU - 3.35 AU

Year: 3396 Days

Day: 12.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,588,732 km

• M1: 155,133 km (0.071 R)
• M2: 585,376 km (0.092 R)
• M3: 1,143,676 km (0.116 R)
• M4: 1,541,756 km (0.094 R)
• M5: 1,980,526 km (0.038 R)
• M6: 3,640,913 km (0.101 R)
• M7: 4,246,485 km (0.087 R)
• M8: 5,097,099 km (0.11 R)
• M9: 6,353,870 km (0.081 R)
• M10: 7,601,517 km (0.047 R)
• M11: 8,265,731 km (0.106 R)
• M12: 8,742,200 km (0.109 R)
• M13: 9,353,756 km (0.113 R)
• M14: 10,282,759 km (0.119 R)
• M15: 11,904,849 km (0.051 R)
• M16: 14,622,743 km (0.09 R)
• M17: 15,817,581 km (0.106 R)
• M18: 19,214,949 km (0.099 R)
• M19: 20,514,356 km (0.081 R)
• M20: 21,185,602 km (0.112 R)
• M21: 22,713,894 km (0.114 R)
• M22: 23,287,452 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.7

Radius: 14.5

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.73 AU - 4.73 AU

Year: 5801 Days

Day: 10 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,588,732 km

• M1: 180,265 km (0.103 R)
• M2: 933,341 km (0.093 R)
• M3: 1,446,013 km (0.055 R)
• M4: 2,063,553 km (0.096 R)
• M5: 3,666,494 km (0.06 R)
• M6: 4,402,965 km (0.099 R)
• M7: 5,691,750 km (0.061 R)
• M8: 8,380,024 km (0.108 R)
• M9: 9,247,991 km (0.071 R)
• M10: 9,788,637 km (0.092 R)
• M11: 10,482,921 km (0.085 R)
• M12: 12,214,965 km (0.086 R)
• M13: 13,279,205 km (0.098 R)
• M14: 14,185,319 km (0.099 R)
• M15: 15,361,158 km (0.048 R)
• M16: 16,180,506 km (0.108 R)
• M17: 18,814,326 km (0.114 R)
• M18: 19,616,619 km (0.101 R)
• M19: 20,095,183 km (0.107 R)
• M20: 21,004,439 km (0.101 R)
• M21: 23,743,127 km (0.074 R)
• M22: 25,399,325 km (0.12 R)
• M23: 26,879,147 km (0.072 R)
• M24: 29,740,505 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918

Radius: 8.5

Gravity: 12.71 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.64 AU - 5.14 AU

Year: 6134 Days

Day: 13.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,588,732 km

• M1: 106,214 km (0.112 R)
• M2: 419,323 km (0.104 R)
• M3: 686,056 km (0.065 R)
• M4: 1,352,365 km (0.056 R)
• M5: 1,865,934 km (0.105 R)
• M6: 2,924,339 km (0.057 R)
• M7: 3,549,509 km (0.038 R)
• M8: 4,472,976 km (0.09 R)
• M9: 6,332,478 km (0.074 R)
• M10: 6,715,748 km (0.029 R)
• M11: 7,004,023 km (0.099 R)
• M12: 8,405,904 km (0.082 R)
• M13: 14,246,804 km (0.073 R)
• M14: 14,966,669 km (0.053 R)
• M15: 16,675,076 km (0.08 R)
• M16: 17,406,909 km (0.109 R)
• M17: 18,721,276 km (0.108 R)
• M18: 21,005,785 km (0.061 R)
• M19: 21,702,462 km (0.037 R)
• M20: 23,141,743 km (0.05 R)
• M21: 23,470,111 km (0.075 R)
• M22: 24,900,117 km (0.12 R)
• M23: 26,209,397 km (0.06 R)
• M24: 27,564,006 km (0.059 R)
• M25: 29,250,423 km (0.084 R)
• M26: 32,621,611 km (0.116 R)
• M27: 34,081,985 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.5

Radius: 13.3

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.4 AU - 5.64 AU

Year: 7500 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,588,732 km

• M1: 165,455 km (0.085 R)
• M2: 1,608,476 km (0.07 R)
• M3: 2,542,565 km (0.094 R)
• M4: 3,835,390 km (0.092 R)
• M5: 4,992,530 km (0.062 R)
• M6: 5,590,323 km (0.102 R)
• M7: 9,957,085 km (0.059 R)
• M8: 12,714,024 km (0.081 R)
• M9: 13,377,191 km (0.12 R)
• M10: 13,889,714 km (0.109 R)
• M11: 17,648,510 km (0.05 R)
• M12: 18,755,384 km (0.103 R)
• M13: 19,981,488 km (0.092 R)
• M14: 21,030,768 km (0.047 R)
• M15: 22,353,961 km (0.1 R)
• M16: 26,925,672 km (0.062 R)
• M17: 30,298,356 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182

Radius: 5.2

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 8.66 AU - 13.28 AU

Year: 24229 Days

Day: 22.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,588,732 km

• M1: 67,469 km (0.082 R)
• M2: 252,072 km (0.105 R)
• M3: 593,754 km (0.106 R)
• M4: 1,336,507 km (0.102 R)
• M5: 1,578,856 km (0.06 R)
• M6: 1,751,043 km (0.098 R)
• M7: 2,285,706 km (0.095 R)
• M8: 2,527,755 km (0.106 R)
• M9: 2,877,066 km (0.115 R)
• M10: 3,976,012 km (0.1 R)
• M11: 4,510,077 km (0.1 R)
• M12: 4,826,775 km (0.107 R)
• M13: 5,023,796 km (0.096 R)
• M14: 5,829,380 km (0.105 R)
• M15: 7,046,957 km (0.107 R)
• M16: 7,386,694 km (0.108 R)
• M17: 8,377,780 km (0.1 R)
• M18: 9,454,436 km (0.096 R)
• M19: 12,605,715 km (0.101 R)
• M20: 17,989,443 km (0.064 R)
• M21: 20,105,804 km (0.073 R)
• M22: 25,314,652 km (0.089 R)
• M23: 37,645,407 km (0.088 R)
• M24: 44,009,300 km (0.081 R)
• M25: 53,289,155 km (0.093 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: 201 - 19,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit