🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.4

Radius: 12.5

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.03 AU - 1.33 AU

Year: 885 Days

Day: 9.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,692,044 km

• M1: 155,582 km (0.092 R)
• M2: 623,973 km (0.083 R)
• M3: 1,201,869 km (0.077 R)
• M4: 1,720,824 km (0.084 R)
• M5: 2,459,539 km (0.042 R)
• M6: 3,135,571 km (0.097 R)
• M7: 3,680,108 km (0.098 R)
• M8: 4,226,589 km (0.089 R)
• M9: 5,647,469 km (0.079 R)
• M10: 6,198,887 km (0.117 R)
• M11: 7,125,496 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.1

Radius: 10.5

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.06 AU - 2.5 AU

Year: 2376 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,692,044 km

• M1: 130,599 km (0.077 R)
• M2: 497,712 km (0.094 R)
• M3: 921,224 km (0.118 R)
• M4: 2,328,042 km (0.084 R)
• M5: 2,792,095 km (0.095 R)
• M6: 3,287,264 km (0.099 R)
• M7: 3,941,306 km (0.036 R)
• M8: 5,052,219 km (0.086 R)
• M9: 6,407,726 km (0.027 R)
• M10: 7,017,935 km (0.119 R)
• M11: 10,467,961 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.2

Radius: 8.1

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.17 AU - 3.33 AU

Year: 3148 Days

Day: 9.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,692,044 km

• M1: 100,979 km (0.116 R)
• M2: 406,607 km (0.115 R)
• M3: 928,853 km (0.115 R)
• M4: 1,202,019 km (0.099 R)
• M5: 1,904,979 km (0.074 R)
• M6: 2,647,733 km (0.075 R)
• M7: 3,481,890 km (0.044 R)
• M8: 4,867,765 km (0.111 R)
• M9: 5,513,878 km (0.061 R)
• M10: 5,832,671 km (0.114 R)
• M11: 6,215,941 km (0.109 R)
• M12: 6,480,580 km (0.046 R)
• M13: 7,089,593 km (0.104 R)
• M14: 7,766,373 km (0.115 R)
• M15: 8,262,141 km (0.106 R)
• M16: 8,745,940 km (0.061 R)
• M17: 9,214,331 km (0.116 R)
• M18: 11,179,299 km (0.053 R)
• M19: 12,342,423 km (0.089 R)
• M20: 13,017,708 km (0.078 R)
• M21: 14,121,740 km (0.107 R)
• M22: 15,239,236 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.6

Radius: 12.5

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.75 AU - 2.89 AU

Year: 3269 Days

Day: 13.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,692,044 km

• M1: 156,479 km (0.079 R)
• M2: 568,173 km (0.105 R)
• M3: 1,257,520 km (0.117 R)
• M4: 1,803,851 km (0.099 R)
• M5: 2,294,383 km (0.078 R)
• M6: 2,794,039 km (0.092 R)
• M7: 3,348,150 km (0.081 R)
• M8: 5,902,085 km (0.045 R)
• M9: 9,474,183 km (0.082 R)
• M10: 10,533,934 km (0.093 R)
• M11: 11,882,409 km (0.063 R)
• M12: 12,709,536 km (0.07 R)
• M13: 13,159,975 km (0.109 R)
• M14: 14,429,762 km (0.077 R)
• M15: 15,986,477 km (0.109 R)
• M16: 18,556,419 km (0.116 R)

Asteroid Belt

Center: 3.18 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.9

Radius: 12.8

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.73 AU - 4.35 AU

Year: 4597 Days

Day: 11.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,692,044 km

• M1: 159,471 km (0.1 R)
• M2: 721,959 km (0.075 R)
• M3: 1,514,230 km (0.104 R)
• M4: 1,952,851 km (0.093 R)
• M5: 2,569,194 km (0.119 R)
• M6: 3,110,289 km (0.037 R)
• M7: 3,556,989 km (0.043 R)
• M8: 4,194,724 km (0.116 R)
• M9: 4,681,665 km (0.077 R)
• M10: 5,494,431 km (0.119 R)
• M11: 6,030,589 km (0.119 R)
• M12: 6,993,252 km (0.096 R)
• M13: 8,055,845 km (0.119 R)
• M14: 8,843,029 km (0.109 R)
• M15: 9,287,634 km (0.063 R)
• M16: 10,570,735 km (0.115 R)
• M17: 11,181,543 km (0.109 R)
• M18: 11,664,445 km (0.058 R)
• M19: 12,161,260 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.2

Radius: 5.5

Gravity: 32.17 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.5 AU - 10.84 AU

Year: 20756 Days

Day: 16.3 Hours

Environment

Temp: -244 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,692,044 km

• M1: 69,413 km (0.072 R)
• M2: 407,505 km (0.093 R)
• M3: 659,876 km (0.076 R)
• M4: 1,437,336 km (0.114 R)
• M5: 2,481,529 km (0.061 R)
• M6: 3,103,857 km (0.093 R)
• M7: 3,603,813 km (0.05 R)
• M8: 5,305,488 km (0.046 R)
• M9: 6,985,772 km (0.069 R)
• M10: 7,430,227 km (0.064 R)
• M11: 7,946,041 km (0.097 R)
• M12: 8,485,490 km (0.098 R)
• M13: 9,940,479 km (0.071 R)
• M14: 12,175,472 km (0.098 R)
• M15: 12,530,168 km (0.105 R)
• M16: 12,746,187 km (0.114 R)
• M17: 21,355,694 km (0.115 R)
• M18: 22,290,083 km (0.104 R)
• M19: 29,990,783 km (0.034 R)
• M20: 31,293,481 km (0.031 R)
• M21: 31,558,568 km (0.112 R)
• M22: 35,571,082 km (0.094 R)
• M23: 41,326,113 km (0.055 R)
• M24: 42,611,906 km (0.057 R)
• M25: 43,758,724 km (0.094 R)
• M26: 46,629,208 km (0.119 R)
• M27: 58,360,373 km (0.094 R)
• M28: 59,977,526 km (0.09 R)
• M29: 60,591,626 km (0.092 R)
• M30: 66,965,093 km (0.068 R)
• M31: 74,711,720 km (0.036 R)
• M32: 76,857,851 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.6

Radius: 7.6

Gravity: 14.92 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.41 AU - 9.93 AU

Year: 20756 Days

Day: 17.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,692,044 km

• M1: 116,537 km (0.058 R)
• M2: 472,280 km (0.108 R)
• M3: 851,361 km (0.102 R)
• M4: 1,749,846 km (0.089 R)
• M5: 2,527,905 km (0.044 R)
• M6: 2,798,827 km (0.111 R)
• M7: 3,172,073 km (0.116 R)
• M8: 3,608,301 km (0.03 R)
• M9: 4,251,571 km (0.085 R)
• M10: 4,782,345 km (0.075 R)
• M11: 7,356,475 km (0.055 R)
• M12: 8,333,798 km (0.071 R)
• M13: 9,688,706 km (0.104 R)
• M14: 10,418,594 km (0.053 R)
• M15: 12,056,242 km (0.117 R)
• M16: 14,942,733 km (0.091 R)
• M17: 16,418,217 km (0.119 R)
• M18: 18,533,531 km (0.101 R)
• M19: 22,556,217 km (0.106 R)
• M20: 23,618,811 km (0.034 R)
• M21: 24,382,359 km (0.112 R)
• M22: 31,483,919 km (0.081 R)
• M23: 32,541,875 km (0.108 R)
• M24: 34,868,421 km (0.11 R)
• M25: 35,431,508 km (0.106 R)
• M26: 38,787,886 km (0.084 R)
• M27: 54,902,269 km (0.059 R)
• M28: 55,664,321 km (0.074 R)
• M29: 56,048,039 km (0.111 R)
• M30: 57,600,416 km (0.106 R)
• M31: 71,290,865 km (0.059 R)
• M32: 72,654,151 km (0.089 R)
• M33: 73,342,301 km (0.078 R)
• M34: 75,198,661 km (0.219 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.5

Radius: 7.1

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.67 AU - 11.73 AU

Year: 20853 Days

Day: 15.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,692,044 km

• M1: 88,263 km (0.09 R)
• M2: 855,700 km (0.044 R)
• M3: 1,738,477 km (0.064 R)
• M4: 2,361,253 km (0.09 R)
• M5: 3,745,183 km (0.099 R)
• M6: 4,382,170 km (0.113 R)
• M7: 4,642,920 km (0.061 R)
• M8: 6,641,996 km (0.075 R)
• M9: 7,163,644 km (0.049 R)
• M10: 7,480,492 km (0.088 R)
• M11: 10,533,784 km (0.097 R)
• M12: 11,364,202 km (0.037 R)
• M13: 13,977,228 km (0.059 R)
• M14: 16,028,065 km (0.116 R)
• M15: 17,774,172 km (0.092 R)
• M16: 18,523,657 km (0.118 R)
• M17: 23,076,070 km (0.117 R)
• M18: 26,888,572 km (0.101 R)
• M19: 27,764,916 km (0.044 R)
• M20: 29,921,968 km (0.113 R)
• M21: 40,519,630 km (0.082 R)
• M22: 41,815,896 km (0.091 R)
• M23: 43,139,837 km (0.105 R)
• M24: 46,649,403 km (0.12 R)
• M25: 47,754,183 km (0.086 R)
• M26: 48,876,317 km (0.082 R)
• M27: 50,344,770 km (0.038 R)
• M28: 52,517,380 km (0.041 R)
• M29: 56,335,267 km (0.08 R)
• M30: 57,587,850 km (0.09 R)
• M31: 62,212,818 km (0.071 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: 461 - 19,282 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit