🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.5

Radius: 11.2

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.77 AU - 0.87 AU

Year: 487 Days

Day: 14.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,976,996 km

• M1: 139,276 km (0.09 R)
• M2: 610,060 km (0.103 R)
• M3: 987,047 km (0.07 R)
• M4: 1,491,192 km (0.093 R)
• M5: 2,016,131 km (0.084 R)
• M6: 2,471,357 km (0.103 R)
• M7: 2,884,546 km (0.105 R)
• M8: 3,248,069 km (0.119 R)
• M9: 3,811,604 km (0.061 R)
• M10: 6,064,398 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.2

Radius: 15

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.69 AU - 1.15 AU

Year: 579 Days

Day: 13.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,976,996 km

• M1: 187,147 km (0.09 R)
• M2: 807,380 km (0.109 R)
• M3: 1,442,123 km (0.079 R)
• M4: 2,671,968 km (0.047 R)
• M5: 3,310,750 km (0.097 R)
• M6: 4,245,139 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.2

Radius: 14.9

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.77 AU - 1.25 AU

Year: 666 Days

Day: 13.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,976,996 km

• M1: 185,501 km (0.057 R)
• M2: 677,828 km (0.114 R)
• M3: 1,215,782 km (0.053 R)
• M4: 1,786,348 km (0.091 R)
• M5: 2,788,056 km (0.066 R)
• M6: 3,513,755 km (0.098 R)
• M7: 4,507,982 km (0.111 R)
• M8: 4,977,121 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.3

Radius: 8.2

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.12 AU - 1.22 AU

Year: 830 Days

Day: 7.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,976,996 km

• M1: 102,026 km (0.042 R)
• M2: 367,562 km (0.096 R)
• M3: 647,160 km (0.066 R)
• M4: 989,291 km (0.076 R)
• M5: 1,396,646 km (0.119 R)
• M6: 1,791,135 km (0.075 R)
• M7: 2,390,275 km (0.094 R)
• M8: 2,669,724 km (0.067 R)
• M9: 3,351,291 km (0.093 R)
• M10: 4,326,670 km (0.09 R)
• M11: 4,726,246 km (0.103 R)
• M12: 5,303,693 km (0.094 R)
• M13: 6,376,759 km (0.094 R)
• M14: 6,688,970 km (0.107 R)
• M15: 6,964,678 km (0.086 R)
• M16: 7,538,985 km (0.054 R)
• M17: 8,118,527 km (0.059 R)
• M18: 9,741,215 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.2

Radius: 9.7

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.73 AU - 2.13 AU

Year: 1759 Days

Day: 8.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,976,996 km

• M1: 120,576 km (0.09 R)
• M2: 589,565 km (0.111 R)
• M3: 996,023 km (0.099 R)
• M4: 1,321,398 km (0.083 R)
• M5: 1,687,913 km (0.118 R)
• M6: 2,207,915 km (0.066 R)
• M7: 2,846,698 km (0.115 R)
• M8: 3,603,962 km (0.046 R)
• M9: 3,983,343 km (0.082 R)
• M10: 4,571,561 km (0.101 R)
• M11: 5,239,366 km (0.119 R)
• M12: 6,661,743 km (0.061 R)
• M13: 8,051,058 km (0.112 R)
• M14: 8,926,804 km (0.089 R)
• M15: 10,109,226 km (0.056 R)
• M16: 10,646,731 km (0.035 R)
• M17: 11,090,438 km (0.032 R)
• M18: 11,623,605 km (0.072 R)
• M19: 11,975,310 km (0.099 R)
• M20: 14,867,036 km (0.11 R)
• M21: 15,562,517 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.4

Radius: 8.1

Gravity: 13.89 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.58 AU - 3.82 AU

Year: 4669 Days

Day: 10.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 20,976,996 km

• M1: 100,979 km (0.028 R)
• M2: 565,779 km (0.088 R)
• M3: 1,024,895 km (0.093 R)
• M4: 1,422,227 km (0.063 R)
• M5: 1,991,297 km (0.038 R)
• M6: 2,722,083 km (0.098 R)
• M7: 3,060,324 km (0.113 R)
• M8: 3,753,710 km (0.086 R)
• M9: 5,164,418 km (0.093 R)
• M10: 5,449,402 km (0.073 R)
• M11: 6,019,818 km (0.09 R)
• M12: 7,139,259 km (0.101 R)
• M13: 8,988,438 km (0.091 R)
• M14: 9,401,777 km (0.079 R)
• M15: 9,698,580 km (0.074 R)
• M16: 10,001,665 km (0.106 R)
• M17: 10,266,453 km (0.096 R)
• M18: 13,443,613 km (0.09 R)
• M19: 14,315,918 km (0.057 R)
• M20: 15,872,783 km (0.082 R)
• M21: 16,599,529 km (0.094 R)
• M22: 17,989,593 km (0.098 R)
• M23: 19,938,255 km (0.078 R)
• M24: 21,216,269 km (0.046 R)
• M25: 21,654,142 km (0.051 R)
• M26: 22,623,387 km (0.09 R)
• M27: 26,202,815 km (0.094 R)
• M28: 26,622,437 km (0.106 R)
• M29: 27,131,967 km (0.115 R)
• M30: 29,415,130 km (0.095 R)
• M31: 30,975,286 km (0.076 R)
• M32: 31,538,971 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.8

Radius: 10.7

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.62 AU - 6.86 AU

Year: 9021 Days

Day: 9.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,976,996 km

• M1: 133,142 km (0.047 R)
• M2: 764,146 km (0.118 R)
• M3: 2,686,778 km (0.108 R)
• M4: 3,141,256 km (0.06 R)
• M5: 3,744,285 km (0.041 R)
• M6: 4,647,856 km (0.111 R)
• M7: 4,999,561 km (0.092 R)
• M8: 6,552,387 km (0.117 R)
• M9: 6,958,096 km (0.116 R)
• M10: 8,319,287 km (0.111 R)
• M11: 8,751,625 km (0.041 R)
• M12: 9,244,400 km (0.114 R)
• M13: 14,799,119 km (0.072 R)
• M14: 21,194,129 km (0.081 R)
• M15: 25,349,958 km (0.093 R)
• M16: 26,352,413 km (0.089 R)
• M17: 29,918,826 km (0.053 R)
• M18: 32,185,383 km (0.11 R)
• M19: 37,173,575 km (0.066 R)
• M20: 38,705,307 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50

Radius: 12.6

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.33 AU - 6.17 AU

Year: 9045 Days

Day: 6.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,976,996 km

• M1: 157,527 km (0.06 R)
• M2: 765,492 km (0.057 R)
• M3: 1,250,339 km (0.036 R)
• M4: 1,761,066 km (0.11 R)
• M5: 2,769,057 km (0.114 R)
• M6: 3,264,674 km (0.063 R)
• M7: 5,947,114 km (0.039 R)
• M8: 7,033,643 km (0.118 R)
• M9: 7,533,749 km (0.036 R)
• M10: 8,376,882 km (0.063 R)
• M11: 10,856,916 km (0.116 R)
• M12: 12,097,980 km (0.06 R)
• M13: 14,908,774 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.8

Radius: 6.7

Gravity: 15.83 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.53 AU - 6.59 AU

Year: 9786 Days

Day: 20.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 20,976,996 km

• M1: 83,326 km (0.067 R)
• M2: 702,960 km (0.044 R)
• M3: 1,109,268 km (0.065 R)
• M4: 1,519,615 km (0.085 R)
• M5: 2,405,235 km (0.072 R)
• M6: 3,139,311 km (0.119 R)
• M7: 3,959,856 km (0.042 R)
• M8: 4,234,667 km (0.116 R)
• M9: 5,666,767 km (0.116 R)
• M10: 6,088,035 km (0.1 R)
• M11: 6,306,298 km (0.108 R)
• M12: 7,273,000 km (0.043 R)
• M13: 7,518,939 km (0.117 R)
• M14: 7,898,468 km (0.119 R)
• M15: 8,202,302 km (0.058 R)
• M16: 9,990,295 km (0.094 R)
• M17: 10,243,415 km (0.098 R)
• M18: 11,190,370 km (0.038 R)
• M19: 11,741,039 km (0.047 R)
• M20: 12,542,136 km (0.061 R)
• M21: 13,440,321 km (0.074 R)
• M22: 14,509,198 km (0.115 R)
• M23: 15,031,295 km (0.117 R)
• M24: 18,506,603 km (0.081 R)
• M25: 21,044,531 km (0.11 R)
• M26: 21,460,862 km (0.113 R)
• M27: 21,882,877 km (0.107 R)
• M28: 25,932,492 km (0.12 R)
• M29: 26,218,972 km (0.067 R)
• M30: 27,091,277 km (0.081 R)
• M31: 29,928,400 km (0.115 R)
• M32: 36,423,491 km (0.086 R)
• M33: 42,594,104 km (0.096 R)
• M34: 43,394,453 km (0.117 R)
• M35: 46,696,527 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.6

Radius: 4.8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.7 AU - 9 AU

Year: 13072 Days

Day: 17 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,976,996 km

• M1: 60,138 km (0.054 R)
• M2: 250,726 km (0.115 R)
• M3: 1,093,710 km (0.068 R)
• M4: 1,449,304 km (0.119 R)
• M5: 2,301,414 km (0.039 R)
• M6: 4,119,776 km (0.101 R)
• M7: 6,183,329 km (0.03 R)
• M8: 7,203,586 km (0.096 R)
• M9: 10,255,682 km (0.081 R)
• M10: 16,454,270 km (0.075 R)
• M11: 18,508,249 km (0.116 R)
• M12: 19,928,232 km (0.037 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 18,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit