🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.5

Radius: 14.9

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.49 AU - 0.59 AU

Year: 265 Days

Day: 10.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,843,968 km

• M1: 185,501 km (0.065 R)
• M2: 683,662 km (0.043 R)
• M3: 1,170,005 km (0.057 R)
• M4: 1,676,843 km (0.113 R)
• M5: 2,177,098 km (0.048 R)
• M6: 2,849,989 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.8

Radius: 14.4

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.81 AU - 1.09 AU

Year: 617 Days

Day: 13.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 60,843,968 km

• M1: 179,069 km (0.118 R)
• M2: 631,901 km (0.084 R)
• M3: 1,417,889 km (0.104 R)
• M4: 2,425,879 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.3

Radius: 10.6

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.43 AU - 1.57 AU

Year: 1225 Days

Day: 10.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,843,968 km

• M1: 131,796 km (0.115 R)
• M2: 574,157 km (0.049 R)
• M3: 1,267,692 km (0.118 R)
• M4: 2,202,380 km (0.03 R)
• M5: 2,542,865 km (0.069 R)
• M6: 3,614,733 km (0.055 R)
• M7: 5,192,392 km (0.106 R)
• M8: 5,537,814 km (0.093 R)
• M9: 6,966,922 km (0.113 R)
• M10: 7,662,702 km (0.088 R)
• M11: 8,256,905 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.9

Radius: 13.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.54 AU - 2.04 AU

Year: 1597 Days

Day: 13 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,843,968 km

• M1: 167,400 km (0.081 R)
• M2: 581,936 km (0.117 R)
• M3: 1,062,294 km (0.038 R)
• M4: 1,513,033 km (0.113 R)
• M5: 2,438,445 km (0.064 R)
• M6: 2,948,873 km (0.091 R)
• M7: 3,645,700 km (0.087 R)
• M8: 4,169,592 km (0.058 R)
• M9: 6,098,357 km (0.103 R)
• M10: 6,561,363 km (0.066 R)
• M11: 7,340,468 km (0.029 R)
• M12: 8,654,237 km (0.065 R)
• M13: 9,559,753 km (0.064 R)
• M14: 10,119,249 km (0.101 R)
• M15: 12,540,790 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.5

Radius: 14.4

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.76 AU - 4.22 AU

Year: 5315 Days

Day: 6.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,843,968 km

• M1: 185,950 km (0.097 R)
• M2: 701,913 km (0.103 R)
• M3: 1,593,217 km (0.113 R)
• M4: 3,086,204 km (0.074 R)
• M5: 4,875,395 km (0.118 R)
• M6: 5,735,433 km (0.096 R)
• M7: 6,476,092 km (0.085 R)
• M8: 8,816,999 km (0.093 R)
• M9: 14,086,734 km (0.117 R)
• M10: 23,658,006 km (0.091 R)
• M11: 24,332,393 km (0.114 R)
• M12: 26,512,782 km (0.078 R)
• M13: 26,996,432 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.4

Radius: 9.2

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.92 AU - 4.26 AU

Year: 5516 Days

Day: 7.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,843,968 km

• M1: 117,584 km (0.061 R)
• M2: 563,535 km (0.115 R)
• M3: 853,755 km (0.102 R)
• M4: 1,298,809 km (0.07 R)
• M5: 1,761,814 km (0.118 R)
• M6: 2,643,694 km (0.097 R)
• M7: 2,964,731 km (0.101 R)
• M8: 3,372,235 km (0.078 R)
• M9: 4,902,173 km (0.106 R)
• M10: 5,278,561 km (0.078 R)
• M11: 7,183,241 km (0.101 R)
• M12: 10,615,465 km (0.089 R)
• M13: 11,903,802 km (0.055 R)
• M14: 13,604,580 km (0.117 R)
• M15: 17,605,725 km (0.044 R)
• M16: 19,738,691 km (0.085 R)
• M17: 20,076,184 km (0.088 R)
• M18: 20,624,310 km (0.092 R)
• M19: 21,182,460 km (0.1 R)
• M20: 22,401,683 km (0.081 R)
• M21: 24,356,179 km (0.077 R)
• M22: 29,207,787 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.8

Radius: 13.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.99 AU - 5.99 AU

Year: 7433 Days

Day: 11.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,843,968 km

• M1: 166,652 km (0.09 R)
• M2: 653,144 km (0.112 R)
• M3: 1,095,056 km (0.037 R)
• M4: 1,976,038 km (0.096 R)
• M5: 2,573,083 km (0.092 R)
• M6: 3,310,601 km (0.081 R)
• M7: 4,859,687 km (0.049 R)
• M8: 5,892,511 km (0.105 R)
• M9: 7,364,554 km (0.101 R)
• M10: 8,810,866 km (0.054 R)
• M11: 10,154,703 km (0.063 R)
• M12: 10,631,621 km (0.12 R)
• M13: 12,911,493 km (0.11 R)
• M14: 13,874,006 km (0.078 R)
• M15: 18,700,482 km (0.099 R)
• M16: 19,201,335 km (0.094 R)
• M17: 19,784,767 km (0.034 R)
• M18: 24,544,523 km (0.096 R)
• M19: 26,825,741 km (0.116 R)
• M20: 27,647,332 km (0.045 R)
• M21: 28,111,085 km (0.115 R)
• M22: 30,606,378 km (0.085 R)
• M23: 33,876,139 km (0.109 R)
• M24: 35,377,353 km (0.084 R)
• M25: 36,810,501 km (0.091 R)
• M26: 38,167,503 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.5

Radius: 4.6

Gravity: 20.82 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 8.27 AU - 10.17 AU

Year: 18669 Days

Day: 20.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,843,968 km

• M1: 57,146 km (0.1 R)
• M2: 260,450 km (0.093 R)
• M3: 410,646 km (0.108 R)
• M4: 945,459 km (0.117 R)
• M5: 2,908,781 km (0.043 R)
• M6: 5,730,197 km (0.1 R)
• M7: 5,999,623 km (0.03 R)
• M8: 6,481,328 km (0.11 R)
• M9: 6,773,941 km (0.027 R)
• M10: 7,031,698 km (0.088 R)
• M11: 7,891,138 km (0.072 R)
• M12: 8,128,550 km (0.083 R)
• M13: 11,971,719 km (0.069 R)
• M14: 16,718,460 km (0.112 R)
• M15: 18,404,727 km (0.077 R)
• M16: 18,654,555 km (0.115 R)
• M17: 25,145,756 km (0.085 R)
• M18: 33,117,528 km (0.108 R)
• M19: 34,612,459 km (0.05 R)
• M20: 43,351,369 km (0.07 R)
• M21: 44,837,324 km (0.119 R)
• M22: 45,897,524 km (0.053 R)
• M23: 49,337,976 km (0.118 R)
• M24: 52,778,877 km (0.119 R)
• M25: 55,678,831 km (0.098 R)
• M26: 56,376,257 km (0.115 R)
• M27: 57,966,781 km (0.106 R)
• M28: 58,145,252 km (0.073 R)
• M29: 58,863,172 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539.4

Radius: 6.8

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.63 AU - 12.05 AU

Year: 20584 Days

Day: 19.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,843,968 km

• M1: 84,523 km (0.063 R)
• M2: 302,636 km (0.052 R)
• M3: 623,225 km (0.103 R)
• M4: 846,275 km (0.042 R)
• M5: 1,723,218 km (0.089 R)
• M6: 2,473,002 km (0.044 R)
• M7: 2,774,143 km (0.108 R)
• M8: 3,047,757 km (0.117 R)
• M9: 3,366,999 km (0.068 R)
• M10: 4,295,553 km (0.062 R)
• M11: 6,137,103 km (0.098 R)
• M12: 7,996,156 km (0.082 R)
• M13: 8,398,424 km (0.115 R)
• M14: 9,026,885 km (0.077 R)
• M15: 9,297,956 km (0.039 R)
• M16: 9,686,313 km (0.116 R)
• M17: 10,085,589 km (0.057 R)
• M18: 11,100,910 km (0.04 R)
• M19: 12,314,448 km (0.095 R)
• M20: 13,124,969 km (0.095 R)
• M21: 13,402,922 km (0.109 R)
• M22: 15,002,422 km (0.097 R)
• M23: 15,306,405 km (0.092 R)
• M24: 15,926,489 km (0.108 R)
• M25: 21,313,059 km (0.115 R)
• M26: 23,893,622 km (0.11 R)
• M27: 27,346,491 km (0.081 R)
• M28: 36,301,868 km (0.028 R)
• M29: 39,384,631 km (0.098 R)
• M30: 48,504,716 km (0.073 R)
• M31: 49,672,028 km (0.089 R)
• M32: 52,934,907 km (0.095 R)
• M33: 59,314,209 km (0.094 R)
• M34: 60,265,353 km (0.059 R)
• M35: 61,614,127 km (0.113 R)
• M36: 67,210,434 km (0.029 R)
• M37: 67,622,725 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316

Radius: 8

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 8.27 AU - 11.71 AU

Year: 21056 Days

Day: 22.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,843,968 km

• M1: 99,632 km (0.11 R)
• M2: 484,099 km (0.11 R)
• M3: 939,175 km (0.11 R)
• M4: 1,335,460 km (0.112 R)
• M5: 1,944,324 km (0.113 R)
• M6: 2,302,311 km (0.078 R)
• M7: 2,909,978 km (0.119 R)
• M8: 3,277,241 km (0.095 R)
• M9: 4,016,404 km (0.119 R)
• M10: 4,347,613 km (0.106 R)
• M11: 4,962,909 km (0.081 R)
• M12: 5,671,854 km (0.117 R)
• M13: 9,142,973 km (0.098 R)
• M14: 10,483,968 km (0.11 R)
• M15: 11,230,911 km (0.073 R)
• M16: 12,448,637 km (0.052 R)
• M17: 13,089,514 km (0.066 R)
• M18: 13,752,083 km (0.098 R)
• M19: 14,858,659 km (0.055 R)
• M20: 16,248,274 km (0.076 R)
• M21: 19,538,529 km (0.118 R)
• M22: 24,714,615 km (0.077 R)
• M23: 27,723,477 km (0.065 R)
• M24: 28,265,770 km (0.112 R)
• M25: 28,815,243 km (0.079 R)
• M26: 33,592,052 km (0.088 R)
• M27: 35,846,492 km (0.069 R)
• M28: 45,273,851 km (0.113 R)
• M29: 46,177,272 km (0.105 R)
• M30: 47,864,736 km (0.106 R)
• M31: 48,175,900 km (0.112 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 11,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit