🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.4

Radius: 10

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.63 AU - 1.01 AU

Year: 513 Days

Day: 6 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,211,553 km

• M1: 124,465 km (0.105 R)
• M2: 477,516 km (0.093 R)
• M3: 881,730 km (0.109 R)
• M4: 1,493,735 km (0.099 R)
• M5: 2,329,688 km (0.04 R)
• M6: 3,224,283 km (0.106 R)
• M7: 3,702,697 km (0.096 R)
• M8: 5,322,842 km (0.048 R)
• M9: 6,338,911 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.6

Radius: 11.7

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.03 AU - 1.25 AU

Year: 840 Days

Day: 10.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,211,553 km

• M1: 147,952 km (0.108 R)
• M2: 586,124 km (0.103 R)
• M3: 1,147,715 km (0.115 R)
• M4: 2,045,900 km (0.04 R)
• M5: 2,543,762 km (0.113 R)
• M6: 2,923,292 km (0.113 R)
• M7: 4,214,172 km (0.116 R)
• M8: 5,314,464 km (0.11 R)
• M9: 5,784,052 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.5

Radius: 9.2

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.08 AU - 1.36 AU

Year: 930 Days

Day: 12.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,211,553 km

• M1: 114,891 km (0.079 R)
• M2: 684,111 km (0.069 R)
• M3: 1,006,943 km (0.111 R)
• M4: 1,342,192 km (0.103 R)
• M5: 1,834,369 km (0.095 R)
• M6: 2,233,795 km (0.031 R)
• M7: 2,535,534 km (0.12 R)
• M8: 2,903,096 km (0.074 R)
• M9: 4,583,529 km (0.087 R)
• M10: 5,131,805 km (0.114 R)
• M11: 5,743,511 km (0.097 R)
• M12: 6,206,516 km (0.111 R)
• M13: 6,716,944 km (0.084 R)
• M14: 7,375,923 km (0.066 R)
• M15: 8,077,387 km (0.105 R)
• M16: 9,071,764 km (0.076 R)
• M17: 10,115,509 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.8

Radius: 8.5

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.04 AU - 1.44 AU

Year: 953 Days

Day: 11.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,211,553 km

• M1: 106,065 km (0.095 R)
• M2: 389,852 km (0.068 R)
• M3: 673,340 km (0.106 R)
• M4: 979,118 km (0.111 R)
• M5: 1,246,001 km (0.09 R)
• M6: 1,681,929 km (0.071 R)
• M7: 2,208,065 km (0.045 R)
• M8: 2,706,674 km (0.102 R)
• M9: 3,131,083 km (0.071 R)
• M10: 3,574,791 km (0.107 R)
• M11: 3,876,380 km (0.076 R)
• M12: 4,430,939 km (0.081 R)
• M13: 4,884,520 km (0.099 R)
• M14: 5,368,918 km (0.119 R)
• M15: 5,681,278 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732

Radius: 3.7

Gravity: 53.47 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.03 AU - 8.17 AU

Year: 11704 Days

Day: 20.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,211,553 km

• M1: 46,076 km (0.104 R)
• M2: 201,658 km (0.079 R)
• M3: 373,845 km (0.059 R)
• M4: 845,677 km (0.111 R)
• M5: 1,189,303 km (0.047 R)
• M6: 1,778,270 km (0.092 R)
• M7: 2,562,013 km (0.049 R)
• M8: 2,756,042 km (0.11 R)
• M9: 3,821,328 km (0.113 R)
• M10: 4,339,385 km (0.108 R)
• M11: 4,935,383 km (0.082 R)
• M12: 5,100,988 km (0.03 R)
• M13: 5,373,556 km (0.091 R)
• M14: 7,259,386 km (0.099 R)
• M15: 10,932,612 km (0.054 R)
• M16: 11,558,380 km (0.119 R)
• M17: 11,791,753 km (0.092 R)
• M18: 11,968,727 km (0.04 R)
• M19: 18,379,744 km (0.09 R)
• M20: 19,019,275 km (0.07 R)
• M21: 21,549,723 km (0.107 R)
• M22: 22,170,853 km (0.093 R)
• M23: 23,822,563 km (0.082 R)
• M24: 29,483,197 km (0.087 R)
• M25: 32,738,746 km (0.042 R)
• M26: 34,633,553 km (0.117 R)
• M27: 36,475,102 km (0.084 R)
• M28: 41,976,714 km (0.1 R)
• M29: 46,228,136 km (0.104 R)
• M30: 50,602,078 km (0.069 R)
• M31: 51,697,733 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.6

Radius: 5.7

Gravity: 18.09 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.11 AU - 9.23 AU

Year: 14662 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,211,553 km

• M1: 71,657 km (0.092 R)
• M2: 461,061 km (0.112 R)
• M3: 670,797 km (0.099 R)
• M4: 1,067,530 km (0.116 R)
• M5: 1,318,705 km (0.099 R)
• M6: 1,656,048 km (0.061 R)
• M7: 1,905,877 km (0.072 R)
• M8: 2,358,111 km (0.076 R)
• M9: 2,588,043 km (0.101 R)
• M10: 3,093,235 km (0.102 R)
• M11: 4,328,016 km (0.033 R)
• M12: 5,349,769 km (0.118 R)
• M13: 5,564,742 km (0.099 R)
• M14: 5,935,894 km (0.093 R)
• M15: 6,244,514 km (0.108 R)
• M16: 7,105,600 km (0.071 R)
• M17: 7,587,155 km (0.051 R)
• M18: 10,053,426 km (0.105 R)
• M19: 14,267,149 km (0.033 R)
• M20: 15,174,460 km (0.075 R)
• M21: 15,751,609 km (0.054 R)
• M22: 19,694,859 km (0.079 R)
• M23: 19,950,522 km (0.107 R)
• M24: 20,995,014 km (0.101 R)
• M25: 21,984,155 km (0.089 R)
• M26: 27,399,299 km (0.1 R)
• M27: 28,146,540 km (0.094 R)
• M28: 35,367,779 km (0.082 R)
• M29: 38,998,519 km (0.098 R)
• M30: 41,739,003 km (0.035 R)
• M31: 45,638,421 km (0.117 R)
• M32: 48,523,565 km (0.088 R)
• M33: 49,931,730 km (0.034 R)
• M34: 51,206,005 km (0.088 R)
• M35: 51,851,220 km (0.072 R)
• M36: 52,175,848 km (0.101 R)
• M37: 55,158,979 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.7

Radius: 6.8

Gravity: 20.93 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.69 AU - 8.71 AU

Year: 16208 Days

Day: 20.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,211,553 km

• M1: 84,523 km (0.088 R)
• M2: 344,823 km (0.089 R)
• M3: 585,077 km (0.099 R)
• M4: 842,086 km (0.097 R)
• M5: 1,148,164 km (0.106 R)
• M6: 1,527,394 km (0.116 R)
• M7: 3,543,076 km (0.08 R)
• M8: 5,008,836 km (0.104 R)
• M9: 6,186,171 km (0.074 R)
• M10: 7,159,604 km (0.048 R)
• M11: 7,829,953 km (0.077 R)
• M12: 8,646,308 km (0.064 R)
• M13: 9,917,591 km (0.113 R)
• M14: 16,016,098 km (0.116 R)
• M15: 17,411,397 km (0.069 R)
• M16: 22,579,405 km (0.045 R)
• M17: 24,541,979 km (0.08 R)
• M18: 26,840,252 km (0.103 R)
• M19: 28,684,793 km (0.104 R)
• M20: 32,496,248 km (0.089 R)
• M21: 33,271,015 km (0.115 R)
• M22: 34,857,351 km (0.091 R)
• M23: 40,360,608 km (0.103 R)
• M24: 41,859,579 km (0.069 R)
• M25: 47,563,147 km (0.103 R)
• M26: 49,065,858 km (0.111 R)
• M27: 50,256,357 km (0.108 R)
• M28: 53,227,521 km (0.102 R)
• M29: 53,584,611 km (0.105 R)
• M30: 56,128,822 km (0.069 R)
• M31: 57,806,412 km (0.088 R)
• M32: 61,065,701 km (0.083 R)
• M33: 62,839,782 km (0.035 R)
• M34: 66,904,805 km (0.078 R)
• M35: 68,789,888 km (0.109 R)
• M36: 73,546,352 km (0.197 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 15,285 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit