🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.7

Radius: 15

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.59 AU - 0.83 AU

Year: 406 Days

Day: 5.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,110,124 km

• M1: 186,698 km (0.09 R)
• M2: 711,637 km (0.062 R)
• M3: 1,224,159 km (0.085 R)
• M4: 1,721,423 km (0.116 R)
• M5: 2,668,377 km (0.086 R)
• M6: 3,244,479 km (0.109 R)
• M7: 4,173,332 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.8

Radius: 14.7

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.79 AU - 1.19 AU

Year: 668 Days

Day: 8.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,110,124 km

• M1: 182,809 km (0.108 R)
• M2: 644,318 km (0.11 R)
• M3: 1,159,234 km (0.097 R)
• M4: 1,715,588 km (0.073 R)
• M5: 2,246,810 km (0.064 R)
• M6: 2,827,250 km (0.073 R)
• M7: 3,663,502 km (0.064 R)
• M8: 4,173,930 km (0.108 R)
• M9: 5,075,407 km (0.03 R)
• M10: 5,663,177 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.1

Radius: 10.7

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1 AU - 1.6 AU

Year: 1005 Days

Day: 7.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,110,124 km

• M1: 132,993 km (0.047 R)
• M2: 476,020 km (0.096 R)
• M3: 820,993 km (0.096 R)
• M4: 1,275,920 km (0.097 R)
• M5: 1,672,803 km (0.09 R)
• M6: 2,163,036 km (0.072 R)
• M7: 2,513,843 km (0.066 R)
• M8: 2,850,587 km (0.093 R)
• M9: 3,217,551 km (0.101 R)
• M10: 4,513,667 km (0.104 R)
• M11: 5,151,103 km (0.117 R)
• M12: 5,720,174 km (0.106 R)
• M13: 6,513,042 km (0.106 R)
• M14: 7,733,761 km (0.113 R)
• M15: 8,289,667 km (0.103 R)
• M16: 9,690,800 km (0.081 R)
• M17: 10,881,600 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.6

Radius: 12.9

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.66 AU - 2.34 AU

Year: 1918 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,110,124 km

• M1: 160,519 km (0.078 R)
• M2: 574,157 km (0.111 R)
• M3: 1,383,032 km (0.103 R)
• M4: 2,091,977 km (0.113 R)
• M5: 2,836,076 km (0.117 R)
• M6: 4,296,451 km (0.067 R)
• M7: 5,788,091 km (0.084 R)
• M8: 7,341,665 km (0.088 R)
• M9: 9,492,882 km (0.116 R)
• M10: 10,259,572 km (0.094 R)
• M11: 10,917,204 km (0.029 R)
• M12: 11,409,530 km (0.113 R)
• M13: 12,850,756 km (0.086 R)
• M14: 15,470,215 km (0.075 R)
• M15: 16,384,707 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.2

Radius: 13.4

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.7 AU - 2.62 AU

Year: 2153 Days

Day: 11.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,110,124 km

• M1: 166,802 km (0.12 R)
• M2: 685,607 km (0.093 R)
• M3: 1,738,926 km (0.072 R)
• M4: 2,622,002 km (0.12 R)
• M5: 3,404,848 km (0.088 R)
• M6: 4,115,138 km (0.111 R)
• M7: 5,364,430 km (0.11 R)
• M8: 5,832,971 km (0.073 R)
• M9: 7,956,812 km (0.09 R)
• M10: 8,970,337 km (0.104 R)
• M11: 9,455,483 km (0.063 R)
• M12: 9,885,128 km (0.109 R)
• M13: 10,516,431 km (0.068 R)
• M14: 11,293,293 km (0.111 R)
• M15: 12,066,415 km (0.04 R)
• M16: 12,701,607 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.4

Radius: 9.1

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.32 AU - 3.64 AU

Year: 3489 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,110,124 km

• M1: 113,096 km (0.104 R)
• M2: 685,457 km (0.101 R)
• M3: 978,520 km (0.109 R)
• M4: 1,522,906 km (0.059 R)
• M5: 2,493,647 km (0.049 R)
• M6: 2,912,970 km (0.115 R)
• M7: 3,341,119 km (0.097 R)
• M8: 4,301,986 km (0.068 R)
• M9: 4,834,554 km (0.083 R)
• M10: 5,230,540 km (0.114 R)
• M11: 5,515,374 km (0.106 R)
• M12: 5,948,011 km (0.09 R)
• M13: 7,943,348 km (0.117 R)
• M14: 8,320,484 km (0.062 R)
• M15: 10,068,535 km (0.101 R)
• M16: 10,798,573 km (0.101 R)
• M17: 11,390,531 km (0.074 R)
• M18: 13,440,471 km (0.114 R)
• M19: 13,731,289 km (0.084 R)
• M20: 15,885,947 km (0.117 R)
• M21: 18,853,969 km (0.115 R)
• M22: 19,464,478 km (0.057 R)
• M23: 21,178,421 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.7

Radius: 6.4

Gravity: 16.84 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.82 AU - 7.96 AU

Year: 15032 Days

Day: 23.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,110,124 km

• M1: 82,279 km (0.113 R)
• M2: 590,912 km (0.083 R)
• M3: 1,135,897 km (0.096 R)
• M4: 1,679,535 km (0.109 R)
• M5: 1,955,244 km (0.038 R)
• M6: 3,217,401 km (0.08 R)
• M7: 4,912,944 km (0.1 R)
• M8: 9,086,724 km (0.066 R)
• M9: 9,294,965 km (0.064 R)
• M10: 15,085,150 km (0.114 R)
• M11: 20,943,552 km (0.107 R)
• M12: 22,519,267 km (0.086 R)
• M13: 25,489,981 km (0.102 R)
• M14: 29,048,466 km (0.103 R)
• M15: 34,794,819 km (0.118 R)
• M16: 39,432,503 km (0.114 R)
• M17: 45,218,200 km (0.073 R)
• M18: 51,379,837 km (0.111 R)
• M19: 52,541,914 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.5

Radius: 5.4

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.54 AU - 9.3 AU

Year: 15117 Days

Day: 20.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,110,124 km

• M1: 68,366 km (0.1 R)
• M2: 270,024 km (0.098 R)
• M3: 629,807 km (0.111 R)
• M4: 1,056,909 km (0.09 R)
• M5: 1,387,221 km (0.102 R)
• M6: 1,599,052 km (0.117 R)
• M7: 1,799,962 km (0.1 R)
• M8: 2,329,089 km (0.101 R)
• M9: 2,822,463 km (0.087 R)
• M10: 4,975,027 km (0.09 R)
• M11: 5,543,349 km (0.088 R)
• M12: 6,043,006 km (0.106 R)
• M13: 7,766,074 km (0.113 R)
• M14: 8,857,840 km (0.117 R)
• M15: 9,589,972 km (0.051 R)
• M16: 11,853,986 km (0.114 R)
• M17: 12,145,253 km (0.073 R)
• M18: 12,322,227 km (0.107 R)
• M19: 13,420,874 km (0.118 R)
• M20: 13,801,301 km (0.089 R)
• M21: 14,319,508 km (0.055 R)
• M22: 14,517,127 km (0.082 R)
• M23: 16,093,440 km (0.11 R)
• M24: 18,862,945 km (0.093 R)
• M25: 20,318,532 km (0.094 R)
• M26: 21,415,234 km (0.114 R)
• M27: 26,493,633 km (0.074 R)
• M28: 36,931,825 km (0.053 R)
• M29: 38,561,694 km (0.103 R)
• M30: 39,329,879 km (0.115 R)
• M31: 39,977,787 km (0.077 R)
• M32: 41,161,854 km (0.076 R)
• M33: 44,433,410 km (0.096 R)
• M34: 45,277,591 km (0.04 R)
• M35: 50,415,978 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.6

Radius: 5.9

Gravity: 24.29 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.92 AU - 9.88 AU

Year: 18008 Days

Day: 21.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 76,110,124 km

• M1: 82,877 km (0.083 R)
• M2: 362,027 km (0.093 R)
• M3: 663,616 km (0.071 R)
• M4: 894,146 km (0.108 R)
• M5: 1,472,492 km (0.073 R)
• M6: 1,796,820 km (0.088 R)
• M7: 2,931,969 km (0.11 R)
• M8: 3,389,589 km (0.076 R)
• M9: 4,212,826 km (0.098 R)
• M10: 4,514,714 km (0.095 R)
• M11: 4,724,002 km (0.094 R)
• M12: 5,087,225 km (0.052 R)
• M13: 5,429,804 km (0.081 R)
• M14: 7,002,228 km (0.078 R)
• M15: 7,235,750 km (0.086 R)
• M16: 7,426,337 km (0.052 R)
• M17: 9,635,150 km (0.118 R)
• M18: 10,278,870 km (0.078 R)
• M19: 10,519,872 km (0.052 R)
• M20: 12,247,129 km (0.112 R)
• M21: 12,518,051 km (0.114 R)
• M22: 16,911,291 km (0.041 R)
• M23: 17,588,222 km (0.09 R)
• M24: 18,282,954 km (0.113 R)
• M25: 21,538,653 km (0.035 R)
• M26: 23,562,263 km (0.08 R)
• M27: 32,279,929 km (0.094 R)
• M28: 33,848,463 km (0.057 R)
• M29: 34,114,747 km (0.051 R)
• M30: 36,714,758 km (0.119 R)
• M31: 37,991,127 km (0.059 R)
• M32: 38,423,166 km (0.116 R)
• M33: 39,296,967 km (0.087 R)
• M34: 51,012,126 km (0.086 R)
• M35: 51,362,185 km (0.114 R)
• M36: 53,496,498 km (0.078 R)
• M37: 56,807,697 km (0.049 R)
• M38: 59,282,345 km (0.077 R)
• M39: 62,425,546 km (0.092 R)
• M40: 64,445,416 km (0.083 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 10,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit