🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.8

Radius: 12.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.03 AU - 1.05 AU

Year: 746 Days

Day: 11.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,996,783 km

• M1: 151,692 km (0.103 R)
• M2: 552,615 km (0.084 R)
• M3: 977,622 km (0.114 R)
• M4: 1,414,448 km (0.116 R)
• M5: 2,504,268 km (0.077 R)
• M6: 2,933,016 km (0.084 R)
• M7: 3,627,599 km (0.109 R)
• M8: 4,104,218 km (0.097 R)
• M9: 4,855,498 km (0.04 R)
• M10: 5,491,439 km (0.09 R)
• M11: 6,322,904 km (0.089 R)
• M12: 7,125,945 km (0.068 R)
• M13: 7,737,052 km (0.093 R)
• M14: 8,236,260 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.3

Radius: 14.5

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.13 AU - 1.19 AU

Year: 878 Days

Day: 11.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,996,783 km

• M1: 180,265 km (0.092 R)
• M2: 785,987 km (0.106 R)
• M3: 1,358,049 km (0.107 R)
• M4: 1,856,061 km (0.079 R)
• M5: 2,804,062 km (0.031 R)
• M6: 4,055,299 km (0.069 R)
• M7: 5,613,660 km (0.06 R)
• M8: 6,350,878 km (0.116 R)
• M9: 7,062,216 km (0.11 R)
• M10: 8,092,946 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.9

Radius: 14.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.03 AU - 1.31 AU

Year: 890 Days

Day: 7.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,996,783 km

• M1: 179,069 km (0.115 R)
• M2: 823,985 km (0.058 R)
• M3: 1,375,552 km (0.025 R)
• M4: 1,899,145 km (0.044 R)
• M5: 3,156,365 km (0.088 R)
• M6: 3,734,112 km (0.114 R)
• M7: 4,209,534 km (0.059 R)
• M8: 4,725,647 km (0.1 R)
• M9: 5,320,149 km (0.09 R)
• M10: 6,724,424 km (0.115 R)
• M11: 7,387,292 km (0.106 R)
• M12: 8,142,163 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.8

Radius: 14.3

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.04 AU - 2.78 AU

Year: 2630 Days

Day: 13.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,996,783 km

• M1: 177,872 km (0.099 R)
• M2: 726,896 km (0.088 R)
• M3: 1,254,378 km (0.079 R)
• M4: 1,838,857 km (0.116 R)
• M5: 2,515,488 km (0.113 R)
• M6: 3,610,545 km (0.076 R)
• M7: 4,183,804 km (0.06 R)
• M8: 4,886,764 km (0.119 R)
• M9: 6,586,495 km (0.078 R)
• M10: 7,142,251 km (0.119 R)
• M11: 7,665,844 km (0.111 R)
• M12: 8,415,179 km (0.075 R)
• M13: 9,760,064 km (0.062 R)
• M14: 10,601,702 km (0.081 R)
• M15: 11,202,936 km (0.111 R)
• M16: 12,918,225 km (0.086 R)
• M17: 14,075,813 km (0.114 R)
• M18: 15,402,447 km (0.118 R)
• M19: 19,883,352 km (0.098 R)
• M20: 20,737,257 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.8

Radius: 11.9

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.46 AU - 2.88 AU

Year: 3067 Days

Day: 13.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,996,783 km

• M1: 147,952 km (0.096 R)
• M2: 876,045 km (0.097 R)
• M3: 1,497,026 km (0.068 R)
• M4: 2,995,249 km (0.082 R)
• M5: 3,812,651 km (0.087 R)
• M6: 4,398,177 km (0.1 R)
• M7: 5,533,924 km (0.088 R)
• M8: 6,855,921 km (0.037 R)
• M9: 8,484,742 km (0.058 R)
• M10: 9,068,773 km (0.101 R)
• M11: 9,994,783 km (0.094 R)
• M12: 15,274,541 km (0.116 R)
• M13: 17,151,845 km (0.116 R)
• M14: 18,027,142 km (0.088 R)
• M15: 19,240,381 km (0.112 R)
• M16: 20,249,418 km (0.081 R)
• M17: 23,417,901 km (0.046 R)
• M18: 23,916,511 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.5

Radius: 10.7

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.14 AU - 3.3 AU

Year: 3153 Days

Day: 6.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,996,783 km

• M1: 133,142 km (0.061 R)
• M2: 569,519 km (0.083 R)
• M3: 1,033,422 km (0.032 R)
• M4: 1,443,769 km (0.114 R)
• M5: 1,876,406 km (0.043 R)
• M6: 3,305,814 km (0.114 R)
• M7: 3,881,466 km (0.072 R)
• M8: 5,283,198 km (0.097 R)
• M9: 6,016,677 km (0.105 R)
• M10: 7,057,878 km (0.04 R)
• M11: 8,627,758 km (0.119 R)
• M12: 9,018,059 km (0.114 R)
• M13: 15,747,270 km (0.09 R)
• M14: 16,331,450 km (0.097 R)
• M15: 18,519,618 km (0.111 R)
• M16: 21,993,729 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.4

Radius: 8

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.85 AU - 3.91 AU

Year: 5372 Days

Day: 6.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,996,783 km

• M1: 112,049 km (0.104 R)
• M2: 387,458 km (0.091 R)
• M3: 654,191 km (0.09 R)
• M4: 1,113,307 km (0.1 R)
• M5: 1,633,908 km (0.061 R)
• M6: 2,981,785 km (0.111 R)
• M7: 3,670,982 km (0.096 R)
• M8: 4,053,205 km (0.047 R)
• M9: 6,346,390 km (0.113 R)
• M10: 7,271,952 km (0.111 R)
• M11: 8,552,211 km (0.118 R)
• M12: 9,266,242 km (0.079 R)
• M13: 9,721,618 km (0.04 R)
• M14: 9,976,383 km (0.067 R)
• M15: 10,499,227 km (0.061 R)
• M16: 10,857,664 km (0.1 R)
• M17: 12,079,878 km (0.091 R)
• M18: 12,623,667 km (0.09 R)
• M19: 15,188,971 km (0.078 R)
• M20: 18,275,025 km (0.105 R)
• M21: 18,794,429 km (0.1 R)
• M22: 19,794,491 km (0.119 R)
• M23: 20,970,330 km (0.039 R)
• M24: 21,611,357 km (0.116 R)
• M25: 26,305,290 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217

Radius: 7.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.54 AU - 7.82 AU

Year: 13524 Days

Day: 22.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,996,783 km

• M1: 97,987 km (0.081 R)
• M2: 551,119 km (0.101 R)
• M3: 981,512 km (0.063 R)
• M4: 1,250,339 km (0.071 R)
• M5: 2,083,599 km (0.115 R)
• M6: 2,966,825 km (0.062 R)
• M7: 3,310,750 km (0.028 R)
• M8: 3,753,710 km (0.113 R)
• M9: 4,396,233 km (0.112 R)
• M10: 4,873,450 km (0.054 R)
• M11: 5,865,284 km (0.094 R)
• M12: 6,269,946 km (0.089 R)
• M13: 7,794,498 km (0.119 R)
• M14: 8,409,495 km (0.078 R)
• M15: 11,094,776 km (0.111 R)
• M16: 14,667,772 km (0.094 R)
• M17: 15,796,189 km (0.098 R)
• M18: 18,013,379 km (0.12 R)
• M19: 18,796,374 km (0.12 R)
• M20: 20,126,299 km (0.074 R)
• M21: 20,430,132 km (0.066 R)
• M22: 21,517,859 km (0.095 R)
• M23: 22,807,542 km (0.095 R)
• M24: 23,221,030 km (0.089 R)
• M25: 24,664,051 km (0.092 R)
• M26: 27,634,317 km (0.094 R)
• M27: 31,442,032 km (0.045 R)
• M28: 35,918,748 km (0.098 R)
• M29: 38,658,483 km (0.098 R)
• M30: 39,840,007 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.6

Radius: 4

Gravity: 32.48 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.23 AU - 7.27 AU

Year: 13722 Days

Day: 19.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,996,783 km

• M1: 49,816 km (0.083 R)
• M2: 228,137 km (0.115 R)
• M3: 494,271 km (0.056 R)
• M4: 1,087,876 km (0.106 R)
• M5: 1,311,375 km (0.084 R)
• M6: 1,448,407 km (0.114 R)
• M7: 3,248,817 km (0.072 R)
• M8: 4,219,109 km (0.039 R)
• M9: 8,732,028 km (0.091 R)
• M10: 9,120,683 km (0.116 R)
• M11: 12,902,966 km (0.028 R)
• M12: 21,639,033 km (0.08 R)
• M13: 21,815,259 km (0.111 R)
• M14: 24,289,159 km (0.078 R)
• M15: 24,766,975 km (0.092 R)
• M16: 26,842,196 km (0.092 R)
• M17: 27,250,150 km (0.075 R)
• M18: 28,288,209 km (0.102 R)
• M19: 29,352,449 km (0.07 R)
• M20: 39,365,184 km (0.097 R)
• M21: 51,746,951 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.5

Radius: 6.6

Gravity: 15.37 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.81 AU - 9.95 AU

Year: 20194 Days

Day: 25 Hours

Environment

Temp: -230 °C

Axial Tilt: 154.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,996,783 km

• M1: 84,074 km (0.103 R)
• M2: 539,749 km (0.085 R)
• M3: 755,469 km (0.116 R)
• M4: 981,811 km (0.09 R)
• M5: 1,643,781 km (0.103 R)
• M6: 1,914,404 km (0.116 R)
• M7: 2,300,217 km (0.12 R)
• M8: 3,507,172 km (0.106 R)
• M9: 4,085,368 km (0.084 R)
• M10: 5,200,172 km (0.066 R)
• M11: 5,787,194 km (0.073 R)
• M12: 6,202,477 km (0.084 R)
• M13: 6,771,697 km (0.116 R)
• M14: 6,999,834 km (0.069 R)
• M15: 9,013,421 km (0.108 R)
• M16: 10,211,551 km (0.086 R)
• M17: 12,438,764 km (0.074 R)
• M18: 13,557,307 km (0.078 R)
• M19: 13,847,078 km (0.079 R)
• M20: 15,280,375 km (0.119 R)
• M21: 17,060,291 km (0.069 R)
• M22: 17,568,774 km (0.083 R)
• M23: 17,913,298 km (0.06 R)
• M24: 19,704,134 km (0.064 R)
• M25: 19,982,685 km (0.12 R)
• M26: 21,512,772 km (0.104 R)
• M27: 22,812,329 km (0.119 R)
• M28: 26,009,385 km (0.083 R)
• M29: 29,857,641 km (0.089 R)
• M30: 34,604,830 km (0.113 R)
• M31: 35,556,123 km (0.093 R)
• M32: 37,227,430 km (0.069 R)
• M33: 39,096,356 km (0.074 R)
• M34: 44,916,461 km (0.117 R)
• M35: 52,881,202 km (0.118 R)
• M36: 60,164,972 km (0.038 R)
• M37: 60,555,572 km (0.078 R)
• M38: 61,144,539 km (0.096 R)
• M39: 62,934,627 km (0.095 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 17,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit