🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.5

Radius: 8.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.68 AU - 0.98 AU

Year: 504 Days

Day: 8.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,374,417 km

• M1: 109,057 km (0.113 R)
• M2: 415,732 km (0.054 R)
• M3: 747,541 km (0.118 R)
• M4: 1,702,573 km (0.087 R)
• M5: 2,275,832 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.4

Radius: 8

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1 AU - 1.34 AU

Year: 844 Days

Day: 8.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,374,417 km

• M1: 99,483 km (0.091 R)
• M2: 472,580 km (0.041 R)
• M3: 789,428 km (0.112 R)
• M4: 1,145,022 km (0.067 R)
• M5: 2,051,436 km (0.048 R)
• M6: 2,347,639 km (0.106 R)
• M7: 3,330,797 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.5

Radius: 8.3

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.97 AU - 1.61 AU

Year: 977 Days

Day: 6 Hours

Environment

Temp: -184 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,374,417 km

• M1: 106,065 km (0.101 R)
• M2: 371,751 km (0.068 R)
• M3: 860,936 km (0.072 R)
• M4: 1,136,794 km (0.116 R)
• M5: 2,447,122 km (0.088 R)
• M6: 6,335,021 km (0.075 R)
• M7: 7,813,946 km (0.11 R)
• M8: 8,114,936 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681

Radius: 8.3

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.12 AU - 1.52 AU

Year: 1011 Days

Day: 10.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,374,417 km

• M1: 103,223 km (0.052 R)
• M2: 380,876 km (0.099 R)
• M3: 801,545 km (0.052 R)
• M4: 1,191,248 km (0.077 R)
• M5: 1,499,419 km (0.083 R)
• M6: 2,506,363 km (0.1 R)
• M7: 3,209,323 km (0.101 R)
• M8: 4,545,531 km (0.113 R)
• M9: 5,668,862 km (0.064 R)
• M10: 6,240,475 km (0.097 R)
• M11: 6,574,378 km (0.095 R)
• M12: 6,850,086 km (0.111 R)
• M13: 7,473,910 km (0.098 R)
• M14: 8,056,893 km (0.084 R)
• M15: 8,480,105 km (0.108 R)
• M16: 9,284,792 km (0.11 R)
• M17: 9,632,308 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.3

Radius: 9.8

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.32 AU - 1.82 AU

Year: 1312 Days

Day: 5.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,374,417 km

• M1: 121,922 km (0.098 R)
• M2: 427,401 km (0.113 R)
• M3: 751,281 km (0.095 R)
• M4: 1,744,610 km (0.06 R)
• M5: 2,116,211 km (0.1 R)
• M6: 2,490,805 km (0.106 R)
• M7: 2,909,529 km (0.096 R)
• M8: 3,483,087 km (0.11 R)
• M9: 4,455,324 km (0.11 R)
• M10: 5,115,948 km (0.09 R)
• M11: 5,685,916 km (0.064 R)
• M12: 6,135,009 km (0.102 R)
• M13: 6,631,973 km (0.093 R)
• M14: 7,078,971 km (0.062 R)
• M15: 7,519,687 km (0.057 R)
• M16: 8,341,876 km (0.094 R)
• M17: 9,686,163 km (0.093 R)
• M18: 10,067,937 km (0.107 R)
• M19: 10,827,595 km (0.035 R)
• M20: 11,308,402 km (0.063 R)
• M21: 12,386,704 km (0.119 R)

Asteroid Belt

Center: 2.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.3

Radius: 14.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.75 AU - 4.39 AU

Year: 5475 Days

Day: 11.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,374,417 km

• M1: 176,675 km (0.108 R)
• M2: 623,524 km (0.096 R)
• M3: 1,142,928 km (0.054 R)
• M4: 2,283,312 km (0.114 R)
• M5: 3,459,750 km (0.061 R)
• M6: 4,159,569 km (0.11 R)
• M7: 5,036,811 km (0.117 R)
• M8: 5,718,827 km (0.111 R)
• M9: 6,394,860 km (0.085 R)
• M10: 6,909,926 km (0.089 R)
• M11: 8,260,495 km (0.091 R)
• M12: 8,830,912 km (0.11 R)
• M13: 10,512,990 km (0.095 R)
• M14: 11,579,922 km (0.108 R)
• M15: 13,928,759 km (0.103 R)
• M16: 15,640,906 km (0.114 R)
• M17: 17,423,664 km (0.095 R)
• M18: 19,838,174 km (0.093 R)
• M19: 23,989,365 km (0.094 R)
• M20: 27,147,226 km (0.047 R)
• M21: 27,594,225 km (0.079 R)
• M22: 28,228,370 km (0.108 R)
• M23: 29,714,176 km (0.075 R)
• M24: 32,439,101 km (0.119 R)
• M25: 35,114,959 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.7

Radius: 12.6

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.92 AU - 5.06 AU

Year: 6345 Days

Day: 6.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,374,417 km

• M1: 156,629 km (0.041 R)
• M2: 633,098 km (0.056 R)
• M3: 1,300,454 km (0.117 R)
• M4: 2,126,833 km (0.118 R)
• M5: 2,658,504 km (0.107 R)
• M6: 3,277,989 km (0.042 R)
• M7: 4,400,122 km (0.12 R)
• M8: 4,836,050 km (0.101 R)
• M9: 6,805,955 km (0.084 R)
• M10: 7,774,003 km (0.091 R)
• M11: 10,403,934 km (0.107 R)
• M12: 12,050,557 km (0.1 R)
• M13: 14,330,728 km (0.096 R)
• M14: 17,686,956 km (0.119 R)
• M15: 20,468,878 km (0.109 R)
• M16: 20,921,412 km (0.103 R)
• M17: 22,637,898 km (0.08 R)
• M18: 23,695,256 km (0.111 R)
• M19: 27,155,903 km (0.119 R)
• M20: 29,196,268 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.9

Radius: 12.3

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.22 AU - 5.1 AU

Year: 6708 Days

Day: 12.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,374,417 km

• M1: 179,218 km (0.101 R)
• M2: 602,431 km (0.084 R)
• M3: 1,033,272 km (0.115 R)
• M4: 1,843,345 km (0.089 R)
• M5: 2,485,569 km (0.112 R)
• M6: 3,844,964 km (0.114 R)
• M7: 4,956,776 km (0.092 R)
• M8: 5,650,611 km (0.105 R)
• M9: 6,477,289 km (0.082 R)
• M10: 7,195,358 km (0.117 R)
• M11: 8,578,989 km (0.048 R)
• M12: 9,356,300 km (0.107 R)
• M13: 13,334,556 km (0.12 R)
• M14: 14,082,695 km (0.085 R)
• M15: 17,357,991 km (0.118 R)
• M16: 18,320,054 km (0.115 R)
• M17: 18,814,176 km (0.087 R)
• M18: 20,051,351 km (0.09 R)
• M19: 22,286,044 km (0.084 R)
• M20: 23,670,721 km (0.025 R)
• M21: 24,596,732 km (0.088 R)
• M22: 29,017,499 km (0.083 R)
• M23: 29,883,371 km (0.108 R)
• M24: 30,964,964 km (0.049 R)
• M25: 31,970,711 km (0.035 R)
• M26: 33,519,946 km (0.12 R)
• M27: 34,794,969 km (0.119 R)
• M28: 35,662,786 km (0.118 R)
• M29: 37,216,210 km (0.111 R)
• M30: 37,895,534 km (0.04 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.8

Radius: 13.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.6 AU - 6.28 AU

Year: 8461 Days

Day: 6.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,374,417 km

• M1: 165,754 km (0.111 R)
• M2: 612,603 km (0.112 R)
• M3: 1,455,288 km (0.098 R)
• M4: 1,888,224 km (0.03 R)
• M5: 2,426,328 km (0.039 R)
• M6: 4,519,052 km (0.098 R)
• M7: 8,907,506 km (0.089 R)
• M8: 11,548,208 km (0.048 R)
• M9: 12,296,197 km (0.035 R)
• M10: 17,205,550 km (0.044 R)
• M11: 18,974,246 km (0.115 R)
• M12: 20,705,991 km (0.102 R)
• M13: 30,466,354 km (0.036 R)
• M14: 40,922,946 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.2

Radius: 3.4

Gravity: 28.39 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.56 AU - 10.72 AU

Year: 18427 Days

Day: 18.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,374,417 km

• M1: 42,336 km (0.059 R)
• M2: 168,896 km (0.104 R)
• M3: 281,842 km (0.107 R)
• M4: 486,193 km (0.094 R)
• M5: 602,131 km (0.072 R)
• M6: 850,613 km (0.104 R)
• M7: 1,090,568 km (0.086 R)
• M8: 1,213,837 km (0.119 R)
• M9: 1,672,205 km (0.07 R)
• M10: 2,048,294 km (0.104 R)
• M11: 2,692,462 km (0.101 R)
• M12: 3,036,687 km (0.081 R)
• M13: 3,647,495 km (0.117 R)
• M14: 3,981,847 km (0.031 R)
• M15: 4,186,048 km (0.097 R)
• M16: 5,141,380 km (0.084 R)
• M17: 5,348,573 km (0.092 R)
• M18: 6,508,704 km (0.053 R)
• M19: 7,168,580 km (0.109 R)
• M20: 7,383,702 km (0.088 R)
• M21: 8,054,798 km (0.087 R)
• M22: 8,716,918 km (0.045 R)
• M23: 9,312,617 km (0.078 R)
• M24: 13,145,614 km (0.103 R)
• M25: 14,330,130 km (0.109 R)
• M26: 15,584,059 km (0.108 R)
• M27: 19,364,248 km (0.107 R)
• M28: 21,243,795 km (0.089 R)
• M29: 25,659,625 km (0.098 R)
• M30: 25,960,616 km (0.086 R)
• M31: 26,467,603 km (0.098 R)
• M32: 26,981,023 km (0.052 R)
• M33: 31,788,800 km (0.049 R)
• M34: 34,151,100 km (0.076 R)
• M35: 40,427,777 km (0.044 R)
• M36: 42,913,795 km (0.091 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 19,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit