🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.5

Radius: 8.9

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.54 AU - 0.9 AU

Year: 407 Days

Day: 12.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,157,638 km

• M1: 112,647 km (0.1 R)
• M2: 458,517 km (0.102 R)
• M3: 870,061 km (0.099 R)
• M4: 1,191,996 km (0.081 R)
• M5: 1,521,111 km (0.098 R)
• M6: 1,895,555 km (0.104 R)
• M7: 2,235,441 km (0.09 R)
• M8: 2,683,487 km (0.083 R)
• M9: 3,039,530 km (0.055 R)
• M10: 3,555,193 km (0.1 R)
• M11: 4,024,332 km (0.111 R)
• M12: 4,314,403 km (0.117 R)
• M13: 4,951,839 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.3

Radius: 10.2

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.32 AU - 1.5 AU

Year: 1116 Days

Day: 5.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,157,638 km

• M1: 126,859 km (0.105 R)
• M2: 467,793 km (0.051 R)
• M3: 1,143,377 km (0.086 R)
• M4: 1,651,112 km (0.042 R)
• M5: 2,461,035 km (0.044 R)
• M6: 3,072,740 km (0.105 R)
• M7: 5,362,186 km (0.106 R)
• M8: 6,087,287 km (0.101 R)
• M9: 7,250,859 km (0.073 R)
• M10: 7,992,865 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.7

Radius: 13.4

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.71 AU - 2.83 AU

Year: 3074 Days

Day: 10.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,157,638 km

• M1: 166,652 km (0.11 R)
• M2: 1,300,604 km (0.092 R)
• M3: 2,267,156 km (0.12 R)
• M4: 3,983,791 km (0.051 R)
• M5: 5,408,412 km (0.087 R)
• M6: 6,418,646 km (0.106 R)
• M7: 6,969,166 km (0.104 R)
• M8: 7,457,005 km (0.102 R)
• M9: 10,921,542 km (0.07 R)
• M10: 12,355,587 km (0.055 R)
• M11: 12,845,520 km (0.054 R)
• M12: 15,957,904 km (0.1 R)
• M13: 17,244,895 km (0.083 R)
• M14: 18,657,996 km (0.074 R)
• M15: 19,722,235 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.5

Radius: 14.4

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.39 AU - 3.43 AU

Year: 3310 Days

Day: 12.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,157,638 km

• M1: 179,069 km (0.059 R)
• M2: 901,178 km (0.077 R)
• M3: 1,971,550 km (0.118 R)
• M4: 2,914,915 km (0.096 R)
• M5: 3,641,511 km (0.09 R)
• M6: 4,665,958 km (0.058 R)
• M7: 5,333,314 km (0.069 R)
• M8: 6,090,877 km (0.074 R)
• M9: 6,889,431 km (0.105 R)
• M10: 7,821,725 km (0.052 R)
• M11: 8,731,130 km (0.119 R)
• M12: 9,266,242 km (0.108 R)
• M13: 10,168,018 km (0.12 R)
• M14: 10,841,657 km (0.091 R)
• M15: 12,146,898 km (0.101 R)
• M16: 13,088,916 km (0.093 R)
• M17: 13,791,278 km (0.068 R)
• M18: 15,220,387 km (0.07 R)
• M19: 17,350,959 km (0.055 R)
• M20: 18,027,142 km (0.081 R)
• M21: 18,604,141 km (0.117 R)
• M22: 19,312,636 km (0.067 R)
• M23: 21,418,526 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.3

Radius: 11.5

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.91 AU - 3.03 AU

Year: 3413 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,157,638 km

• M1: 143,016 km (0.116 R)
• M2: 713,133 km (0.111 R)
• M3: 1,096,552 km (0.028 R)
• M4: 1,644,230 km (0.115 R)
• M5: 2,093,323 km (0.117 R)
• M6: 2,472,105 km (0.092 R)
• M7: 3,066,457 km (0.092 R)
• M8: 3,916,173 km (0.056 R)
• M9: 4,773,668 km (0.112 R)
• M10: 7,837,432 km (0.114 R)
• M11: 10,706,720 km (0.105 R)
• M12: 13,062,587 km (0.043 R)
• M13: 14,661,788 km (0.083 R)
• M14: 15,222,631 km (0.107 R)
• M15: 16,064,119 km (0.12 R)
• M16: 19,559,024 km (0.088 R)
• M17: 20,114,182 km (0.048 R)
• M18: 20,743,540 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.4

Radius: 9.4

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.81 AU - 4.77 AU

Year: 5925 Days

Day: 5.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,157,638 km

• M1: 116,986 km (0.074 R)
• M2: 442,959 km (0.073 R)
• M3: 1,054,216 km (0.106 R)
• M4: 2,020,918 km (0.106 R)
• M5: 2,694,856 km (0.106 R)
• M6: 3,385,699 km (0.087 R)
• M7: 3,773,157 km (0.111 R)
• M8: 4,861,632 km (0.118 R)
• M9: 5,883,834 km (0.101 R)
• M10: 7,401,055 km (0.086 R)
• M11: 9,024,043 km (0.067 R)
• M12: 10,871,726 km (0.059 R)
• M13: 11,350,140 km (0.074 R)
• M14: 14,379,198 km (0.108 R)
• M15: 15,548,305 km (0.119 R)
• M16: 16,207,433 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.2

Radius: 5.6

Gravity: 24.53 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.61 AU - 11.69 AU

Year: 21564 Days

Day: 24.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,157,638 km

• M1: 69,862 km (0.078 R)
• M2: 278,701 km (0.087 R)
• M3: 514,916 km (0.097 R)
• M4: 1,247,197 km (0.094 R)
• M5: 1,447,359 km (0.118 R)
• M6: 1,760,169 km (0.079 R)
• M7: 2,473,750 km (0.074 R)
• M8: 3,055,537 km (0.116 R)
• M9: 3,632,087 km (0.068 R)
• M10: 4,210,432 km (0.117 R)
• M11: 4,701,263 km (0.094 R)
• M12: 5,307,882 km (0.108 R)
• M13: 6,493,146 km (0.093 R)
• M14: 7,342,263 km (0.079 R)
• M15: 7,691,575 km (0.114 R)
• M16: 8,586,469 km (0.066 R)
• M17: 15,456,901 km (0.095 R)
• M18: 17,308,324 km (0.095 R)
• M19: 17,483,653 km (0.097 R)
• M20: 17,660,029 km (0.096 R)
• M21: 18,929,067 km (0.115 R)
• M22: 22,365,181 km (0.072 R)
• M23: 23,632,873 km (0.117 R)
• M24: 27,128,078 km (0.083 R)
• M25: 29,557,098 km (0.12 R)
• M26: 32,525,270 km (0.091 R)
• M27: 33,060,980 km (0.101 R)
• M28: 35,122,438 km (0.089 R)
• M29: 37,122,263 km (0.026 R)
• M30: 39,347,830 km (0.11 R)
• M31: 40,416,109 km (0.101 R)
• M32: 43,252,036 km (0.081 R)
• M33: 46,217,664 km (0.087 R)
• M34: 47,406,817 km (0.085 R)
• M35: 53,659,111 km (0.109 R)
• M36: 55,923,125 km (0.083 R)
• M37: 57,467,424 km (0.106 R)
• M38: 64,558,512 km (0.064 R)
• M39: 70,188,329 km (0.091 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 19,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit