🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.8

Radius: 12.6

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.51 AU - 0.61 AU

Year: 284 Days

Day: 12.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,281,984 km

• M1: 156,629 km (0.12 R)
• M2: 559,047 km (0.116 R)
• M3: 1,143,377 km (0.07 R)
• M4: 1,661,883 km (0.118 R)
• M5: 2,233,945 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.3

Radius: 9.9

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.61 AU - 0.73 AU

Year: 372 Days

Day: 7.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,281,984 km

• M1: 123,269 km (0.109 R)
• M2: 440,416 km (0.095 R)
• M3: 758,760 km (0.1 R)
• M4: 1,216,829 km (0.078 R)
• M5: 1,548,637 km (0.095 R)
• M6: 2,391,472 km (0.113 R)
• M7: 2,888,735 km (0.089 R)
• M8: 3,478,001 km (0.116 R)
• M9: 3,840,177 km (0.075 R)
• M10: 4,744,945 km (0.036 R)
• M11: 5,207,951 km (0.061 R)
• M12: 5,666,917 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.9

Radius: 14.4

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.99 AU - 1.07 AU

Year: 709 Days

Day: 13.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,281,984 km

• M1: 179,069 km (0.096 R)
• M2: 626,965 km (0.108 R)
• M3: 1,077,254 km (0.099 R)
• M4: 1,742,366 km (0.055 R)
• M5: 2,278,525 km (0.05 R)
• M6: 2,901,451 km (0.102 R)
• M7: 3,409,186 km (0.057 R)
• M8: 3,947,289 km (0.109 R)
• M9: 4,786,533 km (0.105 R)
• M10: 5,611,267 km (0.08 R)
• M11: 6,549,544 km (0.064 R)
• M12: 7,100,065 km (0.103 R)
• M13: 7,750,666 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.8

Radius: 12.6

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.26 AU - 3.74 AU

Year: 3524 Days

Day: 6.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,281,984 km

• M1: 156,779 km (0.089 R)
• M2: 740,061 km (0.086 R)
• M3: 1,296,116 km (0.052 R)
• M4: 2,186,373 km (0.109 R)
• M5: 2,646,087 km (0.088 R)
• M6: 3,044,616 km (0.118 R)
• M7: 3,517,794 km (0.071 R)
• M8: 4,953,185 km (0.094 R)
• M9: 5,401,231 km (0.061 R)
• M10: 5,876,204 km (0.053 R)
• M11: 6,431,063 km (0.104 R)
• M12: 7,471,666 km (0.105 R)
• M13: 8,093,245 km (0.066 R)
• M14: 9,406,415 km (0.094 R)
• M15: 11,346,699 km (0.09 R)
• M16: 11,890,637 km (0.115 R)
• M17: 15,574,934 km (0.04 R)
• M18: 16,442,900 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.2

Radius: 13.9

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.79 AU - 4.65 AU

Year: 5880 Days

Day: 12.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,281,984 km

• M1: 184,005 km (0.111 R)
• M2: 676,482 km (0.076 R)
• M3: 1,120,189 km (0.092 R)
• M4: 1,585,139 km (0.103 R)
• M5: 2,137,754 km (0.039 R)
• M6: 2,712,658 km (0.03 R)
• M7: 4,516,809 km (0.092 R)
• M8: 5,167,410 km (0.118 R)
• M9: 6,060,509 km (0.07 R)
• M10: 7,932,277 km (0.106 R)
• M11: 8,455,272 km (0.047 R)
• M12: 9,282,847 km (0.084 R)
• M13: 10,513,888 km (0.119 R)
• M14: 17,838,948 km (0.101 R)
• M15: 20,770,468 km (0.08 R)
• M16: 21,766,939 km (0.119 R)
• M17: 28,082,811 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.9

Radius: 12.4

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.88 AU - 4.92 AU

Year: 6260 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,281,984 km

• M1: 155,283 km (0.109 R)
• M2: 626,965 km (0.104 R)
• M3: 1,150,707 km (0.079 R)
• M4: 1,627,176 km (0.106 R)
• M5: 2,953,511 km (0.107 R)
• M6: 6,085,342 km (0.095 R)
• M7: 8,519,000 km (0.049 R)
• M8: 9,049,325 km (0.114 R)
• M9: 9,515,173 km (0.117 R)
• M10: 15,393,471 km (0.053 R)
• M11: 17,381,627 km (0.101 R)
• M12: 17,904,322 km (0.067 R)
• M13: 18,776,029 km (0.066 R)
• M14: 19,746,171 km (0.096 R)
• M15: 27,760,877 km (0.06 R)
• M16: 28,837,533 km (0.112 R)
• M17: 33,524,284 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.2

Radius: 4.8

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.22 AU - 6.4 AU

Year: 9499 Days

Day: 22.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,281,984 km

• M1: 61,485 km (0.086 R)
• M2: 237,711 km (0.113 R)
• M3: 403,765 km (0.051 R)
• M4: 598,840 km (0.096 R)
• M5: 755,619 km (0.116 R)
• M6: 905,965 km (0.075 R)
• M7: 1,185,114 km (0.079 R)
• M8: 1,367,474 km (0.068 R)
• M9: 1,556,267 km (0.103 R)
• M10: 1,943,276 km (0.11 R)
• M11: 2,261,621 km (0.077 R)
• M12: 3,199,898 km (0.108 R)
• M13: 4,732,080 km (0.108 R)
• M14: 5,138,537 km (0.063 R)
• M15: 5,656,595 km (0.075 R)
• M16: 5,867,228 km (0.04 R)
• M17: 6,662,491 km (0.036 R)
• M18: 7,782,081 km (0.098 R)
• M19: 9,946,762 km (0.111 R)
• M20: 10,749,205 km (0.049 R)
• M21: 13,098,790 km (0.086 R)
• M22: 16,982,350 km (0.094 R)
• M23: 18,386,625 km (0.102 R)
• M24: 18,915,753 km (0.078 R)
• M25: 23,060,811 km (0.096 R)
• M26: 25,998,764 km (0.088 R)
• M27: 26,247,395 km (0.096 R)
• M28: 27,087,537 km (0.086 R)
• M29: 27,428,620 km (0.072 R)
• M30: 30,352,361 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.6

Radius: 4.3

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.67 AU - 6.91 AU

Year: 12000 Days

Day: 15.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,281,984 km

• M1: 53,556 km (0.099 R)
• M2: 253,868 km (0.103 R)
• M3: 459,565 km (0.108 R)
• M4: 681,119 km (0.08 R)
• M5: 1,068,578 km (0.105 R)
• M6: 1,411,755 km (0.086 R)
• M7: 2,180,239 km (0.11 R)
• M8: 3,068,552 km (0.089 R)
• M9: 4,149,845 km (0.111 R)
• M10: 4,931,195 km (0.097 R)
• M11: 5,133,601 km (0.055 R)
• M12: 5,371,611 km (0.118 R)
• M13: 7,398,512 km (0.113 R)
• M14: 9,173,790 km (0.086 R)
• M15: 10,206,165 km (0.076 R)
• M16: 11,514,249 km (0.103 R)
• M17: 11,922,352 km (0.098 R)
• M18: 13,204,406 km (0.112 R)
• M19: 16,419,563 km (0.094 R)
• M20: 17,597,497 km (0.116 R)
• M21: 18,002,309 km (0.104 R)
• M22: 19,183,085 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.1

Radius: 5.6

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.12 AU - 8.76 AU

Year: 15175 Days

Day: 23 Hours

Environment

Temp: -234 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,281,984 km

• M1: 379,380 km (0.058 R)
• M2: 885,470 km (0.098 R)
• M3: 1,921,136 km (0.088 R)
• M4: 2,319,216 km (0.065 R)
• M5: 2,547,801 km (0.096 R)
• M6: 3,951,478 km (0.116 R)
• M7: 4,391,595 km (0.081 R)
• M8: 4,742,701 km (0.109 R)
• M9: 5,567,434 km (0.055 R)
• M10: 6,484,021 km (0.031 R)
• M11: 7,135,070 km (0.111 R)
• M12: 9,068,324 km (0.067 R)
• M13: 14,752,744 km (0.097 R)
• M14: 17,772,526 km (0.081 R)
• M15: 24,363,360 km (0.071 R)
• M16: 26,209,996 km (0.099 R)
• M17: 28,646,945 km (0.092 R)
• M18: 28,949,282 km (0.104 R)
• M19: 30,283,546 km (0.117 R)
• M20: 31,658,201 km (0.103 R)
• M21: 31,981,332 km (0.12 R)
• M22: 33,074,144 km (0.091 R)
• M23: 34,417,982 km (0.053 R)
• M24: 34,645,520 km (0.097 R)
• M25: 41,816,046 km (0.078 R)
• M26: 42,596,348 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.2

Radius: 5

Gravity: 34.57 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.15 AU - 9.49 AU

Year: 19298 Days

Day: 17.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,281,984 km

• M1: 62,981 km (0.118 R)
• M2: 218,862 km (0.088 R)
• M3: 429,196 km (0.094 R)
• M4: 675,434 km (0.101 R)
• M5: 1,285,794 km (0.111 R)
• M6: 1,658,741 km (0.115 R)
• M7: 1,958,535 km (0.115 R)
• M8: 2,666,283 km (0.082 R)
• M9: 4,191,732 km (0.054 R)
• M10: 4,675,831 km (0.078 R)
• M11: 5,351,864 km (0.109 R)
• M12: 6,005,457 km (0.064 R)
• M13: 9,910,261 km (0.118 R)
• M14: 12,693,978 km (0.116 R)
• M15: 13,408,756 km (0.112 R)
• M16: 13,628,366 km (0.064 R)
• M17: 14,301,556 km (0.112 R)
• M18: 22,194,340 km (0.116 R)
• M19: 25,174,778 km (0.118 R)
• M20: 27,695,652 km (0.112 R)
• M21: 27,932,914 km (0.037 R)
• M22: 37,403,208 km (0.118 R)
• M23: 42,694,335 km (0.107 R)
• M24: 56,614,716 km (0.091 R)
• M25: 63,346,770 km (0.075 R)
• M26: 67,117,683 km (0.1 R)
• M27: 67,331,458 km (0.084 R)
• M28: 74,873,136 km (0.027 R)
• M29: 77,899,351 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 18,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit