🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.8

Radius: 13.8

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.94 AU - 1.44 AU

Year: 896 Days

Day: 8.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,216,097 km

• M1: 171,589 km (0.116 R)
• M2: 620,382 km (0.063 R)
• M3: 1,365,679 km (0.042 R)
• M4: 1,801,607 km (0.115 R)
• M5: 2,277,927 km (0.084 R)
• M6: 2,739,287 km (0.092 R)
• M7: 3,208,276 km (0.089 R)
• M8: 4,143,861 km (0.038 R)
• M9: 4,658,478 km (0.119 R)
• M10: 5,693,097 km (0.107 R)
• M11: 6,442,133 km (0.074 R)
• M12: 7,256,095 km (0.086 R)
• M13: 9,145,815 km (0.116 R)
• M14: 9,636,197 km (0.069 R)
• M15: 10,296,971 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.9

Radius: 9.7

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.11 AU - 1.41 AU

Year: 976 Days

Day: 12.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,216,097 km

• M1: 120,725 km (0.077 R)
• M2: 468,541 km (0.076 R)
• M3: 799,002 km (0.072 R)
• M4: 1,187,358 km (0.108 R)
• M5: 2,090,181 km (0.089 R)
• M6: 2,774,592 km (0.063 R)
• M7: 3,213,961 km (0.115 R)
• M8: 4,034,804 km (0.118 R)
• M9: 5,454,787 km (0.036 R)
• M10: 6,329,336 km (0.094 R)
• M11: 7,777,145 km (0.116 R)
• M12: 8,232,072 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.9

Radius: 10

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.33 AU - 3.23 AU

Year: 3199 Days

Day: 11.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,216,097 km

• M1: 124,765 km (0.104 R)
• M2: 465,997 km (0.054 R)
• M3: 810,072 km (0.091 R)
• M4: 1,216,231 km (0.074 R)
• M5: 1,594,414 km (0.068 R)
• M6: 2,037,822 km (0.09 R)
• M7: 2,378,157 km (0.038 R)
• M8: 3,102,510 km (0.096 R)
• M9: 3,778,393 km (0.108 R)
• M10: 4,162,860 km (0.119 R)
• M11: 4,644,116 km (0.098 R)
• M12: 5,188,054 km (0.045 R)
• M13: 6,256,183 km (0.1 R)
• M14: 7,497,696 km (0.099 R)
• M15: 8,495,663 km (0.101 R)
• M16: 8,896,436 km (0.09 R)
• M17: 9,540,903 km (0.103 R)
• M18: 12,761,297 km (0.091 R)
• M19: 16,085,212 km (0.112 R)
• M20: 16,984,145 km (0.11 R)
• M21: 17,797,958 km (0.109 R)
• M22: 23,165,529 km (0.119 R)
• M23: 23,662,194 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.7

Radius: 10.8

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.21 AU - 3.57 AU

Year: 3391 Days

Day: 14.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,216,097 km

• M1: 148,999 km (0.101 R)
• M2: 487,240 km (0.059 R)
• M3: 975,378 km (0.032 R)
• M4: 1,445,415 km (0.064 R)
• M5: 2,509,803 km (0.093 R)
• M6: 3,241,935 km (0.104 R)
• M7: 5,854,363 km (0.094 R)
• M8: 7,139,708 km (0.097 R)
• M9: 9,594,759 km (0.12 R)
• M10: 9,976,383 km (0.109 R)
• M11: 11,220,588 km (0.03 R)
• M12: 11,683,444 km (0.072 R)
• M13: 12,078,981 km (0.113 R)
• M14: 15,763,277 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.6

Radius: 12.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.68 AU - 3.9 AU

Year: 5093 Days

Day: 12.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,216,097 km

• M1: 154,983 km (0.03 R)
• M2: 542,143 km (0.099 R)
• M3: 1,003,054 km (0.08 R)
• M4: 2,979,092 km (0.12 R)
• M5: 3,412,926 km (0.048 R)
• M6: 4,643,668 km (0.071 R)
• M7: 10,440,585 km (0.072 R)
• M8: 12,481,698 km (0.087 R)
• M9: 15,748,766 km (0.06 R)
• M10: 17,820,846 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.7

Radius: 11.5

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.15 AU - 6.23 AU

Year: 8161 Days

Day: 8.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,216,097 km

• M1: 144,063 km (0.057 R)
• M2: 807,380 km (0.086 R)
• M3: 1,406,070 km (0.116 R)
• M4: 2,107,984 km (0.092 R)
• M5: 2,593,129 km (0.065 R)
• M6: 3,198,402 km (0.099 R)
• M7: 6,710,063 km (0.088 R)
• M8: 11,094,627 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.8

Radius: 4.9

Gravity: 27.11 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.42 AU - 6.08 AU

Year: 9517 Days

Day: 24.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,216,097 km

• M1: 65,973 km (0.12 R)
• M2: 223,948 km (0.088 R)
• M3: 3,913,181 km (0.078 R)
• M4: 4,073,251 km (0.07 R)
• M5: 5,352,313 km (0.115 R)
• M6: 8,853,202 km (0.096 R)
• M7: 9,700,375 km (0.11 R)
• M8: 11,609,393 km (0.057 R)
• M9: 12,392,688 km (0.08 R)
• M10: 16,426,145 km (0.033 R)
• M11: 16,634,236 km (0.084 R)
• M12: 19,656,412 km (0.105 R)
• M13: 20,605,611 km (0.11 R)
• M14: 25,165,653 km (0.097 R)
• M15: 26,095,404 km (0.094 R)
• M16: 27,728,115 km (0.118 R)
• M17: 28,320,223 km (0.088 R)
• M18: 36,331,339 km (0.093 R)
• M19: 36,921,502 km (0.109 R)
• M20: 39,718,235 km (0.057 R)
• M21: 42,653,195 km (0.11 R)
• M22: 44,643,146 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.3

Radius: 3.7

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.39 AU - 8.51 AU

Year: 12647 Days

Day: 21.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,216,097 km

• M1: 46,076 km (0.09 R)
• M2: 444,754 km (0.111 R)
• M3: 1,789,191 km (0.107 R)
• M4: 1,988,455 km (0.059 R)
• M5: 3,686,540 km (0.093 R)
• M6: 5,318,653 km (0.062 R)
• M7: 6,786,208 km (0.048 R)
• M8: 7,341,815 km (0.113 R)
• M9: 9,610,915 km (0.089 R)
• M10: 12,714,921 km (0.107 R)
• M11: 13,184,060 km (0.039 R)
• M12: 16,426,893 km (0.079 R)
• M13: 17,744,402 km (0.059 R)
• M14: 21,306,327 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.2

Radius: 5.7

Gravity: 10.66 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.54 AU - 9.72 AU

Year: 19042 Days

Day: 15.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,216,097 km

• M1: 70,909 km (0.115 R)
• M2: 338,839 km (0.086 R)
• M3: 539,600 km (0.069 R)
• M4: 932,444 km (0.118 R)
• M5: 1,136,645 km (0.113 R)
• M6: 2,692,014 km (0.089 R)
• M7: 4,505,140 km (0.116 R)
• M8: 6,713,504 km (0.098 R)
• M9: 7,751,414 km (0.097 R)
• M10: 10,032,482 km (0.102 R)
• M11: 10,693,854 km (0.117 R)
• M12: 10,977,941 km (0.066 R)
• M13: 11,266,964 km (0.055 R)
• M14: 11,620,463 km (0.064 R)
• M15: 12,042,329 km (0.116 R)
• M16: 13,500,161 km (0.109 R)
• M17: 13,831,969 km (0.083 R)
• M18: 15,938,456 km (0.059 R)
• M19: 17,534,217 km (0.112 R)
• M20: 19,317,124 km (0.114 R)
• M21: 20,080,073 km (0.063 R)
• M22: 22,675,297 km (0.064 R)
• M23: 25,284,733 km (0.032 R)
• M24: 28,519,787 km (0.102 R)
• M25: 28,846,808 km (0.05 R)
• M26: 35,293,878 km (0.05 R)
• M27: 36,817,682 km (0.083 R)
• M28: 38,650,405 km (0.097 R)
• M29: 45,542,977 km (0.076 R)
• M30: 47,806,094 km (0.101 R)
• M31: 48,267,603 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304

Radius: 7.8

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.77 AU - 10.83 AU

Year: 19577 Days

Day: 23 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,216,097 km

• M1: 96,939 km (0.091 R)
• M2: 540,348 km (0.094 R)
• M3: 1,865,336 km (0.03 R)
• M4: 2,149,721 km (0.115 R)
• M5: 2,525,062 km (0.066 R)
• M6: 2,784,166 km (0.105 R)
• M7: 3,752,663 km (0.119 R)
• M8: 4,062,629 km (0.098 R)
• M9: 4,831,114 km (0.081 R)
• M10: 6,941,192 km (0.062 R)
• M11: 7,853,589 km (0.068 R)
• M12: 8,892,845 km (0.069 R)
• M13: 9,861,791 km (0.079 R)
• M14: 10,899,252 km (0.073 R)
• M15: 11,828,105 km (0.067 R)
• M16: 13,908,712 km (0.11 R)
• M17: 17,585,828 km (0.103 R)
• M18: 22,226,055 km (0.064 R)
• M19: 26,479,721 km (0.101 R)
• M20: 35,923,385 km (0.034 R)
• M21: 42,434,633 km (0.091 R)
• M22: 43,997,332 km (0.111 R)
• M23: 47,387,968 km (0.09 R)
• M24: 51,906,272 km (0.097 R)
• M25: 53,038,429 km (0.086 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: 326 - 18,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit