🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.7

Radius: 12.2

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.66 AU - 0.74 AU

Year: 378 Days

Day: 11 Hours

Environment

Temp: -129 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,477,467 km

• M1: 151,692 km (0.096 R)
• M2: 718,818 km (0.117 R)
• M3: 1,173,595 km (0.067 R)
• M4: 1,591,721 km (0.114 R)
• M5: 2,006,107 km (0.079 R)
• M6: 2,800,771 km (0.066 R)
• M7: 3,333,340 km (0.113 R)
• M8: 3,721,247 km (0.045 R)
• M9: 4,688,996 km (0.115 R)
• M10: 5,071,817 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663

Radius: 12.6

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.77 AU - 0.77 AU

Year: 436 Days

Day: 8.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,477,467 km

• M1: 157,227 km (0.105 R)
• M2: 637,287 km (0.08 R)
• M3: 1,188,256 km (0.083 R)
• M4: 1,741,918 km (0.104 R)
• M5: 2,318,169 km (0.104 R)
• M6: 2,767,710 km (0.109 R)
• M7: 4,395,933 km (0.043 R)
• M8: 4,937,328 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.4

Radius: 8.1

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1 AU - 1.54 AU

Year: 924 Days

Day: 8 Hours

Environment

Temp: -174 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,477,467 km

• M1: 101,278 km (0.11 R)
• M2: 369,357 km (0.106 R)
• M3: 998,715 km (0.056 R)
• M4: 1,370,167 km (0.091 R)
• M5: 1,645,726 km (0.114 R)
• M6: 1,977,085 km (0.093 R)
• M7: 2,259,526 km (0.106 R)
• M8: 2,613,924 km (0.101 R)
• M9: 2,931,221 km (0.087 R)
• M10: 3,475,907 km (0.057 R)
• M11: 3,787,369 km (0.056 R)
• M12: 4,564,979 km (0.093 R)
• M13: 5,205,856 km (0.094 R)
• M14: 5,826,987 km (0.063 R)
• M15: 6,709,016 km (0.113 R)
• M16: 7,329,548 km (0.109 R)
• M17: 8,036,248 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.2

Radius: 8.6

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.41 AU - 1.85 AU

Year: 1344 Days

Day: 10.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 17,477,467 km

• M1: 106,962 km (0.092 R)
• M2: 468,989 km (0.117 R)
• M3: 1,036,564 km (0.108 R)
• M4: 1,402,330 km (0.118 R)
• M5: 1,715,289 km (0.092 R)
• M6: 2,141,494 km (0.107 R)
• M7: 2,782,520 km (0.101 R)
• M8: 3,104,455 km (0.096 R)
• M9: 3,404,399 km (0.066 R)
• M10: 4,151,341 km (0.077 R)
• M11: 4,804,485 km (0.079 R)
• M12: 5,787,194 km (0.117 R)
• M13: 6,553,434 km (0.071 R)
• M14: 7,923,152 km (0.118 R)
• M15: 8,229,828 km (0.117 R)
• M16: 8,515,560 km (0.035 R)
• M17: 9,076,552 km (0.04 R)
• M18: 10,637,456 km (0.096 R)
• M19: 11,183,787 km (0.073 R)
• M20: 11,712,765 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.9

Radius: 12.3

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.27 AU - 3.47 AU

Year: 3994 Days

Day: 8.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 17,477,467 km

• M1: 156,479 km (0.101 R)
• M2: 597,793 km (0.078 R)
• M3: 987,795 km (0.026 R)
• M4: 1,999,076 km (0.116 R)
• M5: 2,431,265 km (0.098 R)
• M6: 2,856,422 km (0.116 R)
• M7: 5,535,121 km (0.101 R)
• M8: 6,926,531 km (0.104 R)
• M9: 7,382,954 km (0.089 R)
• M10: 8,612,948 km (0.095 R)
• M11: 11,747,622 km (0.087 R)
• M12: 13,570,322 km (0.103 R)
• M13: 16,020,436 km (0.073 R)
• M14: 18,256,027 km (0.093 R)
• M15: 18,877,307 km (0.081 R)
• M16: 19,384,593 km (0.056 R)
• M17: 20,625,657 km (0.112 R)
• M18: 24,218,399 km (0.12 R)
• M19: 26,201,618 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.6

Radius: 11.2

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.05 AU - 4.73 AU

Year: 4954 Days

Day: 7.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 17,477,467 km

• M1: 139,276 km (0.108 R)
• M2: 488,736 km (0.11 R)
• M3: 885,171 km (0.078 R)
• M4: 1,393,055 km (0.065 R)
• M5: 3,028,160 km (0.088 R)
• M6: 3,403,651 km (0.102 R)
• M7: 5,175,189 km (0.093 R)
• M8: 5,540,656 km (0.07 R)
• M9: 5,893,558 km (0.104 R)
• M10: 6,387,380 km (0.111 R)
• M11: 7,077,326 km (0.105 R)
• M12: 8,261,243 km (0.117 R)
• M13: 8,841,234 km (0.064 R)
• M14: 9,531,180 km (0.113 R)
• M15: 9,996,429 km (0.081 R)
• M16: 11,296,135 km (0.081 R)
• M17: 13,217,570 km (0.025 R)
• M18: 13,743,407 km (0.102 R)
• M19: 15,233,252 km (0.092 R)
• M20: 16,046,915 km (0.115 R)
• M21: 17,760,858 km (0.112 R)
• M22: 18,272,183 km (0.036 R)
• M23: 18,991,300 km (0.108 R)
• M24: 19,391,474 km (0.118 R)
• M25: 21,984,753 km (0.102 R)
• M26: 22,500,268 km (0.057 R)
• M27: 25,845,276 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.8

Radius: 9.7

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.88 AU - 6.08 AU

Year: 7176 Days

Day: 10.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 17,477,467 km

• M1: 120,725 km (0.104 R)
• M2: 422,913 km (0.06 R)
• M3: 766,240 km (0.109 R)
• M4: 1,080,097 km (0.116 R)
• M5: 1,494,632 km (0.073 R)
• M6: 2,045,302 km (0.085 R)
• M7: 2,430,367 km (0.093 R)
• M8: 3,788,416 km (0.118 R)
• M9: 4,320,087 km (0.101 R)
• M10: 7,255,946 km (0.115 R)
• M11: 8,117,629 km (0.064 R)
• M12: 8,700,463 km (0.119 R)
• M13: 9,672,550 km (0.072 R)
• M14: 10,232,494 km (0.109 R)
• M15: 10,666,478 km (0.074 R)
• M16: 11,417,160 km (0.113 R)
• M17: 11,989,671 km (0.1 R)
• M18: 12,856,441 km (0.099 R)
• M19: 14,353,317 km (0.1 R)
• M20: 15,205,876 km (0.055 R)
• M21: 17,280,948 km (0.044 R)
• M22: 19,172,912 km (0.099 R)
• M23: 19,907,587 km (0.07 R)
• M24: 20,660,812 km (0.104 R)
• M25: 21,199,215 km (0.095 R)
• M26: 21,589,666 km (0.071 R)
• M27: 23,199,189 km (0.077 R)
• M28: 25,409,198 km (0.067 R)
• M29: 33,189,484 km (0.103 R)
• M30: 38,131,300 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.2

Radius: 12.3

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.24 AU - 6.38 AU

Year: 7901 Days

Day: 7.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,477,467 km

• M1: 160,519 km (0.086 R)
• M2: 769,980 km (0.03 R)
• M3: 1,355,806 km (0.105 R)
• M4: 1,742,217 km (0.092 R)
• M5: 2,659,850 km (0.117 R)
• M6: 3,857,830 km (0.064 R)
• M7: 7,287,660 km (0.074 R)
• M8: 16,912,039 km (0.097 R)
• M9: 17,477,519 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 18,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit