🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.6

Radius: 14

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.68 AU - 0.82 AU

Year: 441 Days

Day: 8 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,061,803 km

• M1: 174,132 km (0.119 R)
• M2: 905,067 km (0.055 R)
• M3: 1,345,782 km (0.096 R)
• M4: 1,865,934 km (0.073 R)
• M5: 3,550,257 km (0.104 R)
• M6: 4,202,354 km (0.089 R)
• M7: 5,179,976 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.5

Radius: 12.5

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.67 AU - 0.95 AU

Year: 494 Days

Day: 6.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,061,803 km

• M1: 155,432 km (0.089 R)
• M2: 601,832 km (0.067 R)
• M3: 1,183,918 km (0.119 R)
• M4: 1,635,554 km (0.106 R)
• M5: 2,345,395 km (0.075 R)
• M6: 4,144,160 km (0.101 R)
• M7: 4,671,642 km (0.036 R)
• M8: 5,260,759 km (0.081 R)
• M9: 6,047,644 km (0.108 R)
• M10: 6,870,432 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.4

Radius: 10.4

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.21 AU - 2.97 AU

Year: 2827 Days

Day: 9.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,061,803 km

• M1: 129,552 km (0.081 R)
• M2: 807,380 km (0.062 R)
• M3: 1,312,273 km (0.119 R)
• M4: 1,667,268 km (0.088 R)
• M5: 2,654,913 km (0.094 R)
• M6: 3,511,960 km (0.102 R)
• M7: 3,849,303 km (0.045 R)
• M8: 4,497,959 km (0.111 R)
• M9: 5,474,534 km (0.12 R)
• M10: 6,979,040 km (0.116 R)
• M11: 7,744,233 km (0.092 R)
• M12: 8,922,615 km (0.117 R)
• M13: 11,034,339 km (0.061 R)
• M14: 14,441,879 km (0.048 R)
• M15: 16,659,069 km (0.045 R)
• M16: 16,993,421 km (0.115 R)
• M17: 17,332,260 km (0.12 R)
• M18: 18,434,946 km (0.089 R)
• M19: 19,956,206 km (0.071 R)
• M20: 20,460,351 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.7

Radius: 11.1

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.32 AU - 2.92 AU

Year: 2876 Days

Day: 10.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,061,803 km

• M1: 138,079 km (0.08 R)
• M2: 540,647 km (0.09 R)
• M3: 1,402,330 km (0.092 R)
• M4: 2,133,864 km (0.111 R)
• M5: 2,718,941 km (0.119 R)
• M6: 3,857,531 km (0.08 R)
• M7: 6,365,090 km (0.097 R)
• M8: 7,353,633 km (0.108 R)
• M9: 10,043,702 km (0.104 R)
• M10: 10,572,231 km (0.075 R)
• M11: 11,381,256 km (0.097 R)
• M12: 12,389,845 km (0.117 R)
• M13: 14,718,336 km (0.09 R)
• M14: 15,308,799 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.5

Radius: 14.5

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.24 AU - 3.42 AU

Year: 4122 Days

Day: 12.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 68.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,061,803 km

• M1: 180,415 km (0.113 R)
• M2: 913,295 km (0.114 R)
• M3: 1,502,711 km (0.076 R)
• M4: 2,312,484 km (0.057 R)
• M5: 3,069,599 km (0.083 R)
• M6: 4,332,055 km (0.053 R)
• M7: 5,119,688 km (0.111 R)
• M8: 5,875,307 km (0.103 R)
• M9: 6,727,267 km (0.114 R)
• M10: 9,064,135 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.6

Radius: 6.8

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.54 AU - 6.7 AU

Year: 10269 Days

Day: 17.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,061,803 km

• M1: 85,121 km (0.1 R)
• M2: 319,242 km (0.109 R)
• M3: 567,724 km (0.118 R)
• M4: 1,063,042 km (0.117 R)
• M5: 1,533,079 km (0.116 R)
• M6: 2,012,540 km (0.114 R)
• M7: 2,315,476 km (0.063 R)
• M8: 2,968,770 km (0.119 R)
• M9: 4,311,710 km (0.105 R)
• M10: 4,725,348 km (0.106 R)
• M11: 5,100,539 km (0.117 R)
• M12: 6,881,951 km (0.043 R)
• M13: 7,282,424 km (0.043 R)
• M14: 7,783,428 km (0.11 R)
• M15: 8,086,214 km (0.104 R)
• M16: 8,623,420 km (0.076 R)
• M17: 10,798,423 km (0.081 R)
• M18: 11,560,923 km (0.053 R)
• M19: 13,010,676 km (0.087 R)
• M20: 13,253,474 km (0.101 R)
• M21: 14,708,463 km (0.087 R)
• M22: 15,576,280 km (0.116 R)
• M23: 16,477,757 km (0.084 R)
• M24: 17,560,696 km (0.054 R)
• M25: 20,270,661 km (0.119 R)
• M26: 23,785,313 km (0.068 R)
• M27: 24,423,348 km (0.069 R)
• M28: 24,793,005 km (0.078 R)
• M29: 25,072,753 km (0.118 R)
• M30: 32,435,062 km (0.096 R)
• M31: 36,484,078 km (0.057 R)
• M32: 38,442,314 km (0.074 R)
• M33: 41,904,009 km (0.102 R)
• M34: 43,507,250 km (0.112 R)
• M35: 45,987,881 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.4

Radius: 7.5

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.7 AU - 7.3 AU

Year: 11240 Days

Day: 19.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,061,803 km

• M1: 93,199 km (0.109 R)
• M2: 335,548 km (0.076 R)
• M3: 585,227 km (0.114 R)
• M4: 1,317,658 km (0.112 R)
• M5: 2,031,838 km (0.11 R)
• M6: 2,615,569 km (0.105 R)
• M7: 5,011,678 km (0.102 R)
• M8: 5,891,613 km (0.088 R)
• M9: 6,368,531 km (0.108 R)
• M10: 6,791,893 km (0.115 R)
• M11: 7,357,672 km (0.088 R)
• M12: 8,491,325 km (0.109 R)
• M13: 10,721,530 km (0.087 R)
• M14: 13,627,020 km (0.094 R)
• M15: 14,990,305 km (0.108 R)
• M16: 15,395,865 km (0.091 R)
• M17: 18,443,473 km (0.096 R)
• M18: 18,831,081 km (0.063 R)
• M19: 19,945,585 km (0.04 R)
• M20: 21,527,433 km (0.113 R)
• M21: 22,480,521 km (0.058 R)
• M22: 25,796,806 km (0.073 R)
• M23: 27,672,016 km (0.118 R)
• M24: 28,078,024 km (0.095 R)
• M25: 31,913,415 km (0.118 R)
• M26: 41,923,606 km (0.095 R)
• M27: 44,508,807 km (0.087 R)
• M28: 47,923,977 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.1

Radius: 3

Gravity: 67.01 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.99 AU - 9.47 AU

Year: 14577 Days

Day: 17.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,061,803 km

• M1: 37,399 km (0.103 R)
• M2: 141,819 km (0.033 R)
• M3: 274,512 km (0.084 R)
• M4: 370,255 km (0.074 R)
• M5: 509,530 km (0.111 R)
• M6: 764,894 km (0.113 R)
• M7: 1,361,041 km (0.094 R)
• M8: 1,847,235 km (0.083 R)
• M9: 2,296,327 km (0.101 R)
• M10: 3,647,495 km (0.118 R)
• M11: 4,997,018 km (0.116 R)
• M12: 5,238,618 km (0.104 R)
• M13: 5,820,105 km (0.072 R)
• M14: 7,371,136 km (0.079 R)
• M15: 7,549,008 km (0.09 R)
• M16: 8,974,825 km (0.111 R)
• M17: 9,965,013 km (0.083 R)
• M18: 11,199,944 km (0.103 R)
• M19: 15,802,173 km (0.101 R)
• M20: 16,929,542 km (0.092 R)
• M21: 19,008,953 km (0.082 R)
• M22: 23,188,119 km (0.08 R)
• M23: 27,300,115 km (0.097 R)
• M24: 27,725,572 km (0.052 R)
• M25: 33,422,109 km (0.105 R)
• M26: 34,772,080 km (0.047 R)
• M27: 42,637,338 km (0.066 R)
• M28: 46,752,476 km (0.066 R)
• M29: 50,165,552 km (0.118 R)
• M30: 55,420,775 km (0.082 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 17,367 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit