🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.7

Radius: 9.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.44 AU - 0.66 AU

Year: 272 Days

Day: 5.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,863,227 km

• M1: 123,119 km (0.098 R)
• M2: 438,920 km (0.028 R)
• M3: 771,925 km (0.096 R)
• M4: 1,118,094 km (0.094 R)
• M5: 1,524,402 km (0.104 R)
• M6: 1,934,001 km (0.12 R)
• M7: 2,471,207 km (0.103 R)
• M8: 2,784,166 km (0.12 R)
• M9: 3,362,511 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.8

Radius: 8.7

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.54 AU - 0.66 AU

Year: 310 Days

Day: 13.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,863,227 km

• M1: 108,309 km (0.058 R)
• M2: 463,753 km (0.081 R)
• M3: 749,336 km (0.104 R)
• M4: 1,074,412 km (0.045 R)
• M5: 1,456,485 km (0.047 R)
• M6: 2,122,794 km (0.109 R)
• M7: 2,436,501 km (0.047 R)
• M8: 2,714,603 km (0.072 R)
• M9: 3,014,098 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.6

Radius: 13.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.12 AU - 1.14 AU

Year: 801 Days

Day: 14.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,863,227 km

• M1: 170,392 km (0.115 R)
• M2: 615,595 km (0.078 R)
• M3: 1,238,820 km (0.093 R)
• M4: 1,933,104 km (0.102 R)
• M5: 2,366,190 km (0.093 R)
• M6: 3,746,828 km (0.108 R)
• M7: 4,300,041 km (0.063 R)
• M8: 6,088,633 km (0.062 R)
• M9: 6,529,199 km (0.032 R)
• M10: 7,311,147 km (0.103 R)
• M11: 8,849,013 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.1

Radius: 12.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.71 AU - 1.75 AU

Year: 1517 Days

Day: 5.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,863,227 km

• M1: 157,527 km (0.057 R)
• M2: 646,562 km (0.085 R)
• M3: 1,471,744 km (0.03 R)
• M4: 1,887,177 km (0.081 R)
• M5: 2,391,621 km (0.117 R)
• M6: 3,209,024 km (0.033 R)
• M7: 4,879,135 km (0.103 R)
• M8: 5,553,522 km (0.114 R)
• M9: 6,761,525 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.9

Radius: 12.8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.72 AU - 2.12 AU

Year: 1774 Days

Day: 8.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,863,227 km

• M1: 159,322 km (0.077 R)
• M2: 689,945 km (0.114 R)
• M3: 1,170,005 km (0.04 R)
• M4: 3,208,874 km (0.082 R)
• M5: 3,766,126 km (0.117 R)
• M6: 4,334,598 km (0.1 R)
• M7: 8,466,192 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997

Radius: 9.3

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.68 AU - 2.76 AU

Year: 2991 Days

Day: 8.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,863,227 km

• M1: 116,387 km (0.107 R)
• M2: 953,387 km (0.097 R)
• M3: 1,583,493 km (0.101 R)
• M4: 2,147,627 km (0.093 R)
• M5: 4,932,092 km (0.033 R)
• M6: 5,312,819 km (0.089 R)
• M7: 5,713,143 km (0.102 R)
• M8: 7,854,038 km (0.116 R)
• M9: 9,330,718 km (0.07 R)
• M10: 10,647,180 km (0.086 R)
• M11: 11,112,429 km (0.051 R)
• M12: 11,503,029 km (0.098 R)
• M13: 12,174,424 km (0.079 R)
• M14: 13,842,590 km (0.107 R)
• M15: 15,657,960 km (0.085 R)
• M16: 19,130,426 km (0.077 R)
• M17: 19,629,036 km (0.098 R)
• M18: 22,185,514 km (0.045 R)
• M19: 23,864,600 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147

Radius: 14.6

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.86 AU - 4.58 AU

Year: 4785 Days

Day: 7.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,863,227 km

• M1: 185,651 km (0.053 R)
• M2: 641,326 km (0.026 R)
• M3: 1,905,877 km (0.098 R)
• M4: 2,782,820 km (0.088 R)
• M5: 3,382,109 km (0.118 R)
• M6: 4,546,578 km (0.081 R)
• M7: 5,668,563 km (0.099 R)
• M8: 8,394,535 km (0.069 R)
• M9: 10,332,575 km (0.066 R)
• M10: 13,360,287 km (0.111 R)
• M11: 14,843,250 km (0.061 R)
• M12: 15,891,333 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.2

Radius: 5.4

Gravity: 23.77 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.86 AU - 6.26 AU

Year: 9948 Days

Day: 21.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,863,227 km

• M1: 71,508 km (0.117 R)
• M2: 406,158 km (0.101 R)
• M3: 696,677 km (0.058 R)
• M4: 889,659 km (0.048 R)
• M5: 1,164,171 km (0.092 R)
• M6: 1,386,174 km (0.102 R)
• M7: 1,695,991 km (0.09 R)
• M8: 1,867,580 km (0.078 R)
• M9: 3,248,518 km (0.094 R)
• M10: 4,489,582 km (0.046 R)
• M11: 4,944,509 km (0.1 R)
• M12: 5,167,260 km (0.081 R)
• M13: 5,632,659 km (0.103 R)
• M14: 7,441,746 km (0.113 R)
• M15: 7,819,481 km (0.09 R)
• M16: 8,034,752 km (0.109 R)
• M17: 9,852,665 km (0.094 R)
• M18: 11,425,388 km (0.084 R)
• M19: 11,702,892 km (0.077 R)
• M20: 12,917,627 km (0.046 R)
• M21: 15,594,980 km (0.12 R)
• M22: 17,352,605 km (0.047 R)
• M23: 17,793,320 km (0.099 R)
• M24: 21,675,684 km (0.102 R)
• M25: 24,220,643 km (0.111 R)
• M26: 27,449,713 km (0.064 R)
• M27: 30,954,492 km (0.093 R)
• M28: 32,149,330 km (0.083 R)
• M29: 35,446,168 km (0.119 R)
• M30: 37,479,802 km (0.049 R)
• M31: 41,647,150 km (0.098 R)
• M32: 43,370,218 km (0.094 R)
• M33: 45,278,488 km (0.055 R)
• M34: 46,675,134 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.2

Radius: 3.3

Gravity: 47.58 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.44 AU - 9.86 AU

Year: 15516 Days

Day: 22.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,863,227 km

• M1: 41,139 km (0.1 R)
• M2: 343,926 km (0.044 R)
• M3: 461,509 km (0.068 R)
• M4: 622,327 km (0.053 R)
• M5: 725,250 km (0.115 R)
• M6: 839,543 km (0.112 R)
• M7: 1,733,540 km (0.118 R)
• M8: 4,221,802 km (0.074 R)
• M9: 4,989,837 km (0.086 R)
• M10: 5,371,312 km (0.113 R)
• M11: 5,478,573 km (0.055 R)
• M12: 9,457,877 km (0.102 R)
• M13: 10,988,113 km (0.083 R)
• M14: 11,161,198 km (0.094 R)
• M15: 12,115,632 km (0.062 R)
• M16: 12,802,436 km (0.108 R)
• M17: 12,930,043 km (0.05 R)
• M18: 15,446,728 km (0.119 R)
• M19: 15,883,404 km (0.047 R)
• M20: 16,781,440 km (0.081 R)
• M21: 20,976,613 km (0.095 R)
• M22: 21,782,796 km (0.113 R)
• M23: 26,745,257 km (0.06 R)
• M24: 27,906,136 km (0.069 R)
• M25: 28,662,204 km (0.106 R)
• M26: 30,782,754 km (0.105 R)
• M27: 43,975,042 km (0.075 R)
• M28: 48,315,475 km (0.078 R)
• M29: 54,256,455 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.9

Radius: 5.4

Gravity: 13.1 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.11 AU - 11.27 AU

Year: 20115 Days

Day: 21.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 113.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,863,227 km

• M1: 67,169 km (0.062 R)
• M2: 243,246 km (0.098 R)
• M3: 451,935 km (0.083 R)
• M4: 1,831,377 km (0.025 R)
• M5: 2,029,894 km (0.063 R)
• M6: 2,736,594 km (0.098 R)
• M7: 2,997,044 km (0.088 R)
• M8: 3,222,189 km (0.075 R)
• M9: 3,878,774 km (0.118 R)
• M10: 4,555,405 km (0.103 R)
• M11: 5,307,732 km (0.061 R)
• M12: 6,968,568 km (0.032 R)
• M13: 7,916,719 km (0.068 R)
• M14: 8,545,030 km (0.111 R)
• M15: 9,791,330 km (0.046 R)
• M16: 10,288,594 km (0.057 R)
• M17: 10,571,932 km (0.116 R)
• M18: 12,067,611 km (0.107 R)
• M19: 12,768,477 km (0.105 R)
• M20: 15,324,806 km (0.101 R)
• M21: 21,422,116 km (0.108 R)
• M22: 22,828,635 km (0.085 R)
• M23: 23,020,719 km (0.053 R)
• M24: 25,824,332 km (0.075 R)
• M25: 28,401,904 km (0.107 R)
• M26: 29,867,215 km (0.086 R)
• M27: 38,089,862 km (0.061 R)
• M28: 40,850,840 km (0.094 R)
• M29: 41,704,446 km (0.076 R)
• M30: 46,921,971 km (0.12 R)
• M31: 48,172,758 km (0.119 R)
• M32: 52,725,470 km (0.055 R)
• M33: 58,809,167 km (0.084 R)
• M34: 60,079,552 km (0.087 R)
• M35: 61,368,188 km (0.058 R)
• M36: 61,739,640 km (0.084 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 18,622 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit