🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.8

Radius: 11.8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.94 AU - 1.02 AU

Year: 636 Days

Day: 11.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,587,256 km

• M1: 146,905 km (0.111 R)
• M2: 658,530 km (0.106 R)
• M3: 1,113,158 km (0.061 R)
• M4: 1,548,338 km (0.097 R)
• M5: 1,929,364 km (0.08 R)
• M6: 3,893,135 km (0.064 R)
• M7: 4,754,669 km (0.03 R)
• M8: 6,057,667 km (0.098 R)
• M9: 6,648,877 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.8

Radius: 12.1

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.36 AU - 1.88 AU

Year: 1353 Days

Day: 9.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,587,256 km

• M1: 150,795 km (0.067 R)
• M2: 551,867 km (0.084 R)
• M3: 977,622 km (0.069 R)
• M4: 1,445,265 km (0.118 R)
• M5: 2,081,954 km (0.114 R)
• M6: 2,461,035 km (0.104 R)
• M7: 3,555,044 km (0.081 R)
• M8: 4,356,440 km (0.077 R)
• M9: 5,423,970 km (0.097 R)
• M10: 6,422,835 km (0.1 R)
• M11: 6,921,744 km (0.038 R)
• M12: 7,611,390 km (0.071 R)
• M13: 8,653,339 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.5

Radius: 11.4

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.83 AU - 1.91 AU

Year: 1678 Days

Day: 14.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,587,256 km

• M1: 147,952 km (0.076 R)
• M2: 667,655 km (0.118 R)
• M3: 1,348,475 km (0.061 R)
• M4: 2,119,652 km (0.117 R)
• M5: 2,598,515 km (0.096 R)
• M6: 3,211,417 km (0.116 R)
• M7: 3,672,029 km (0.052 R)
• M8: 4,120,225 km (0.105 R)
• M9: 7,624,555 km (0.091 R)
• M10: 9,233,779 km (0.075 R)
• M11: 9,761,411 km (0.069 R)
• M12: 13,236,270 km (0.087 R)
• M13: 15,137,061 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.2

Radius: 12

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.76 AU - 4.82 AU

Year: 6877 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,587,256 km

• M1: 149,299 km (0.106 R)
• M2: 582,235 km (0.117 R)
• M3: 1,148,612 km (0.108 R)
• M4: 2,002,068 km (0.116 R)
• M5: 2,791,646 km (0.085 R)
• M6: 4,661,769 km (0.081 R)
• M7: 5,566,986 km (0.032 R)
• M8: 6,076,366 km (0.073 R)
• M9: 7,221,538 km (0.05 R)
• M10: 9,338,198 km (0.088 R)
• M11: 9,814,668 km (0.072 R)
• M12: 10,224,266 km (0.086 R)
• M13: 11,566,907 km (0.107 R)
• M14: 14,026,596 km (0.079 R)
• M15: 15,737,098 km (0.029 R)
• M16: 17,823,240 km (0.117 R)
• M17: 19,121,899 km (0.117 R)
• M18: 21,907,262 km (0.088 R)
• M19: 24,501,289 km (0.086 R)
• M20: 25,104,318 km (0.102 R)
• M21: 25,794,712 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700

Radius: 14.9

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.86 AU - 6.24 AU

Year: 7445 Days

Day: 11.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,587,256 km

• M1: 185,352 km (0.099 R)
• M2: 801,994 km (0.119 R)
• M3: 1,384,079 km (0.04 R)
• M4: 1,877,752 km (0.078 R)
• M5: 2,655,213 km (0.102 R)
• M6: 3,502,086 km (0.057 R)
• M7: 4,128,602 km (0.071 R)
• M8: 4,972,932 km (0.113 R)
• M9: 5,608,424 km (0.063 R)
• M10: 6,095,216 km (0.073 R)
• M11: 6,716,795 km (0.071 R)
• M12: 7,611,390 km (0.057 R)
• M13: 8,416,526 km (0.119 R)
• M14: 10,975,547 km (0.079 R)
• M15: 13,040,147 km (0.097 R)
• M16: 14,134,755 km (0.103 R)
• M17: 14,918,498 km (0.094 R)
• M18: 18,845,293 km (0.088 R)
• M19: 19,499,634 km (0.065 R)
• M20: 21,240,654 km (0.081 R)
• M21: 22,029,184 km (0.06 R)
• M22: 23,083,251 km (0.083 R)
• M23: 24,001,333 km (0.068 R)
• M24: 26,358,098 km (0.108 R)
• M25: 27,268,849 km (0.112 R)
• M26: 31,833,380 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.2

Radius: 6.5

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.78 AU - 8.78 AU

Year: 12886 Days

Day: 16.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,587,256 km

• M1: 80,783 km (0.085 R)
• M2: 354,098 km (0.084 R)
• M3: 621,579 km (0.113 R)
• M4: 1,436,439 km (0.118 R)
• M5: 1,873,863 km (0.081 R)
• M6: 2,159,146 km (0.092 R)
• M7: 2,611,231 km (0.026 R)
• M8: 3,478,001 km (0.098 R)
• M9: 4,700,664 km (0.034 R)
• M10: 5,007,190 km (0.074 R)
• M11: 5,294,418 km (0.061 R)
• M12: 6,517,381 km (0.119 R)
• M13: 7,748,571 km (0.053 R)
• M14: 9,508,291 km (0.112 R)
• M15: 11,518,737 km (0.066 R)
• M16: 12,076,587 km (0.119 R)
• M17: 13,920,531 km (0.11 R)
• M18: 14,553,330 km (0.039 R)
• M19: 19,219,736 km (0.09 R)
• M20: 23,798,927 km (0.072 R)
• M21: 26,387,568 km (0.059 R)
• M22: 28,447,980 km (0.104 R)
• M23: 32,334,981 km (0.054 R)
• M24: 33,668,048 km (0.111 R)
• M25: 39,492,043 km (0.048 R)
• M26: 43,637,400 km (0.105 R)
• M27: 44,175,054 km (0.094 R)
• M28: 46,509,828 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.2

Radius: 7.3

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.76 AU - 9.3 AU

Year: 13555 Days

Day: 21.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,587,256 km

• M1: 164,857 km (0.066 R)
• M2: 393,442 km (0.093 R)
• M3: 670,198 km (0.094 R)
• M4: 1,683,425 km (0.093 R)
• M5: 2,183,979 km (0.12 R)
• M6: 2,911,025 km (0.075 R)
• M7: 3,247,471 km (0.101 R)
• M8: 5,277,962 km (0.096 R)
• M9: 5,779,714 km (0.116 R)
• M10: 8,032,957 km (0.108 R)
• M11: 14,012,833 km (0.076 R)
• M12: 19,948,427 km (0.069 R)
• M13: 21,455,027 km (0.101 R)
• M14: 22,729,003 km (0.042 R)
• M15: 25,509,579 km (0.092 R)
• M16: 27,195,995 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.1

Radius: 5.7

Gravity: 12.53 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.45 AU - 8.67 AU

Year: 16429 Days

Day: 24.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,587,256 km

• M1: 71,209 km (0.062 R)
• M2: 252,521 km (0.116 R)
• M3: 437,275 km (0.064 R)
• M4: 1,044,492 km (0.1 R)
• M5: 1,262,008 km (0.06 R)
• M6: 2,818,424 km (0.112 R)
• M7: 3,244,030 km (0.092 R)
• M8: 7,160,352 km (0.097 R)
• M9: 7,548,559 km (0.113 R)
• M10: 8,508,828 km (0.05 R)
• M11: 19,046,651 km (0.115 R)
• M12: 22,687,863 km (0.111 R)
• M13: 23,997,742 km (0.03 R)
• M14: 25,555,655 km (0.085 R)
• M15: 26,562,897 km (0.084 R)
• M16: 26,767,397 km (0.108 R)
• M17: 26,972,945 km (0.107 R)
• M18: 27,596,170 km (0.103 R)
• M19: 29,963,556 km (0.089 R)
• M20: 30,856,805 km (0.118 R)
• M21: 34,852,414 km (0.086 R)
• M22: 36,593,285 km (0.091 R)
• M23: 37,613,542 km (0.114 R)
• M24: 40,652,623 km (0.093 R)
• M25: 44,712,560 km (0.101 R)
• M26: 45,438,857 km (0.047 R)
• M27: 48,575,177 km (0.062 R)
• M28: 50,744,346 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.1

Radius: 5.6

Gravity: 20.89 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.37 AU - 11.05 AU

Year: 19849 Days

Day: 20.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,587,256 km

• M1: 69,713 km (0.116 R)
• M2: 435,779 km (0.104 R)
• M3: 873,951 km (0.042 R)
• M4: 1,152,203 km (0.05 R)
• M5: 1,364,333 km (0.057 R)
• M6: 1,831,228 km (0.115 R)
• M7: 2,534,338 km (0.119 R)
• M8: 2,747,514 km (0.109 R)
• M9: 3,156,365 km (0.084 R)
• M10: 4,289,121 km (0.057 R)
• M11: 5,056,558 km (0.058 R)
• M12: 8,414,132 km (0.038 R)
• M13: 10,307,443 km (0.095 R)
• M14: 14,988,211 km (0.053 R)
• M15: 16,005,027 km (0.103 R)
• M16: 17,657,934 km (0.107 R)
• M17: 22,885,632 km (0.089 R)
• M18: 25,629,257 km (0.12 R)
• M19: 26,069,823 km (0.119 R)
• M20: 27,536,929 km (0.079 R)
• M21: 34,756,372 km (0.1 R)
• M22: 36,809,753 km (0.105 R)
• M23: 38,942,570 km (0.111 R)
• M24: 41,006,123 km (0.029 R)
• M25: 44,870,535 km (0.111 R)
• M26: 50,505,887 km (0.117 R)
• M27: 51,721,818 km (0.072 R)
• M28: 52,072,775 km (0.112 R)
• M29: 52,248,852 km (0.049 R)
• M30: 60,201,923 km (0.099 R)
• M31: 62,358,676 km (0.076 R)
• M32: 70,205,084 km (0.059 R)
• M33: 70,419,906 km (0.075 R)
• M34: 70,851,048 km (0.101 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 16,571 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit