🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.4

Radius: 10.7

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.85 AU - 1.01 AU

Year: 619 Days

Day: 6.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,936,553 km

• M1: 133,142 km (0.065 R)
• M2: 475,721 km (0.052 R)
• M3: 911,649 km (0.083 R)
• M4: 1,296,266 km (0.118 R)
• M5: 1,925,923 km (0.091 R)
• M6: 2,417,651 km (0.083 R)
• M7: 3,112,384 km (0.107 R)
• M8: 3,751,615 km (0.095 R)
• M9: 4,154,931 km (0.101 R)
• M10: 4,555,405 km (0.099 R)
• M11: 6,184,077 km (0.073 R)
• M12: 6,707,669 km (0.117 R)
• M13: 7,348,247 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481

Radius: 8.3

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.91 AU - 1.27 AU

Year: 786 Days

Day: 14.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,936,553 km

• M1: 103,223 km (0.1 R)
• M2: 375,341 km (0.108 R)
• M3: 720,613 km (0.1 R)
• M4: 1,049,878 km (0.087 R)
• M5: 1,785,451 km (0.081 R)
• M6: 2,330,136 km (0.097 R)
• M7: 2,736,743 km (0.084 R)
• M8: 3,078,275 km (0.099 R)
• M9: 3,609,797 km (0.084 R)
• M10: 4,464,599 km (0.041 R)
• M11: 5,024,992 km (0.074 R)
• M12: 6,146,977 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.5

Radius: 13.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.26 AU - 2 AU

Year: 1436 Days

Day: 13.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,936,553 km

• M1: 169,195 km (0.053 R)
• M2: 608,265 km (0.048 R)
• M3: 1,085,033 km (0.109 R)
• M4: 2,293,485 km (0.04 R)
• M5: 2,810,944 km (0.106 R)
• M6: 3,448,979 km (0.11 R)
• M7: 4,330,709 km (0.085 R)
• M8: 5,166,811 km (0.103 R)
• M9: 6,257,380 km (0.1 R)
• M10: 6,834,678 km (0.111 R)
• M11: 9,451,294 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.6

Radius: 11.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.64 AU - 1.7 AU

Year: 1490 Days

Day: 13.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,936,553 km

• M1: 154,385 km (0.092 R)
• M2: 617,241 km (0.102 R)
• M3: 998,416 km (0.083 R)
• M4: 1,418,637 km (0.064 R)
• M5: 1,927,718 km (0.113 R)
• M6: 2,411,368 km (0.117 R)
• M7: 3,319,278 km (0.067 R)
• M8: 4,608,213 km (0.119 R)
• M9: 5,868,874 km (0.119 R)
• M10: 6,321,108 km (0.082 R)
• M11: 7,476,303 km (0.109 R)
• M12: 8,340,081 km (0.031 R)
• M13: 9,239,015 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.1

Radius: 14.2

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.05 AU - 2.21 AU

Year: 2146 Days

Day: 11.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,936,553 km

• M1: 176,525 km (0.086 R)
• M2: 690,544 km (0.089 R)
• M3: 1,400,834 km (0.101 R)
• M4: 2,023,461 km (0.088 R)
• M5: 2,629,332 km (0.087 R)
• M6: 3,130,186 km (0.085 R)
• M7: 3,928,739 km (0.035 R)
• M8: 6,565,701 km (0.107 R)
• M9: 7,936,466 km (0.046 R)
• M10: 9,423,469 km (0.057 R)
• M11: 10,109,824 km (0.11 R)
• M12: 11,660,107 km (0.088 R)
• M13: 12,860,929 km (0.105 R)
• M14: 14,098,552 km (0.111 R)
• M15: 15,135,565 km (0.105 R)
• M16: 15,602,011 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.1

Radius: 10.2

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.99 AU - 2.75 AU

Year: 2518 Days

Day: 13.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,936,553 km

• M1: 126,859 km (0.116 R)
• M2: 451,187 km (0.104 R)
• M3: 964,607 km (0.102 R)
• M4: 1,838,857 km (0.063 R)
• M5: 4,122,917 km (0.118 R)
• M6: 4,456,221 km (0.092 R)
• M7: 5,528,389 km (0.055 R)
• M8: 6,486,564 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217

Radius: 11.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.7 AU - 4.3 AU

Year: 4520 Days

Day: 12.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,936,553 km

• M1: 425,456 km (0.106 R)
• M2: 815,757 km (0.102 R)
• M3: 2,130,573 km (0.099 R)
• M4: 2,534,936 km (0.061 R)
• M5: 3,893,135 km (0.058 R)
• M6: 4,900,228 km (0.071 R)
• M7: 5,917,194 km (0.103 R)
• M8: 9,888,569 km (0.117 R)
• M9: 11,106,445 km (0.119 R)
• M10: 13,610,265 km (0.074 R)
• M11: 14,349,428 km (0.08 R)
• M12: 16,728,183 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.5

Radius: 12

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.46 AU - 4.52 AU

Year: 5501 Days

Day: 8.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,936,553 km

• M1: 149,448 km (0.119 R)
• M2: 571,613 km (0.112 R)
• M3: 971,937 km (0.104 R)
• M4: 1,592,619 km (0.102 R)
• M5: 2,149,273 km (0.055 R)
• M6: 2,963,683 km (0.113 R)
• M7: 3,442,995 km (0.11 R)
• M8: 3,858,727 km (0.115 R)
• M9: 4,818,996 km (0.1 R)
• M10: 6,598,762 km (0.098 R)
• M11: 12,745,888 km (0.026 R)
• M12: 13,320,045 km (0.109 R)
• M13: 14,241,119 km (0.112 R)
• M14: 16,514,259 km (0.076 R)
• M15: 17,449,844 km (0.099 R)
• M16: 17,962,964 km (0.09 R)
• M17: 21,256,810 km (0.12 R)
• M18: 23,820,170 km (0.034 R)
• M19: 24,772,211 km (0.107 R)
• M20: 28,746,577 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.6

Radius: 3.3

Gravity: 16.31 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.84 AU - 7.28 AU

Year: 11598 Days

Day: 20 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,936,553 km

• M1: 48,320 km (0.111 R)
• M2: 164,109 km (0.118 R)
• M3: 1,035,217 km (0.063 R)
• M4: 1,285,345 km (0.11 R)
• M5: 1,535,921 km (0.089 R)
• M6: 1,706,762 km (0.053 R)
• M7: 2,024,658 km (0.095 R)
• M8: 2,701,588 km (0.057 R)
• M9: 2,833,982 km (0.029 R)
• M10: 3,173,569 km (0.08 R)
• M11: 3,909,292 km (0.07 R)
• M12: 4,303,931 km (0.111 R)
• M13: 5,376,697 km (0.113 R)
• M14: 6,151,165 km (0.113 R)
• M15: 6,718,440 km (0.098 R)
• M16: 7,652,230 km (0.114 R)
• M17: 9,338,049 km (0.032 R)
• M18: 9,773,079 km (0.119 R)
• M19: 9,950,802 km (0.116 R)
• M20: 11,798,634 km (0.047 R)
• M21: 12,618,580 km (0.073 R)
• M22: 12,776,556 km (0.118 R)
• M23: 13,042,541 km (0.104 R)
• M24: 13,475,926 km (0.052 R)
• M25: 15,545,313 km (0.068 R)
• M26: 15,848,548 km (0.108 R)
• M27: 17,554,413 km (0.091 R)
• M28: 18,215,934 km (0.117 R)
• M29: 18,485,210 km (0.047 R)
• M30: 22,154,697 km (0.05 R)
• M31: 23,161,939 km (0.094 R)
• M32: 26,452,494 km (0.08 R)
• M33: 31,178,141 km (0.074 R)
• M34: 32,936,514 km (0.049 R)
• M35: 33,537,000 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.3

Radius: 7.5

Gravity: 13.02 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.25 AU - 7.77 AU

Year: 14206 Days

Day: 17.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,936,553 km

• M1: 93,349 km (0.115 R)
• M2: 386,561 km (0.083 R)
• M3: 1,002,755 km (0.035 R)
• M4: 1,365,380 km (0.066 R)
• M5: 1,813,575 km (0.097 R)
• M6: 2,235,890 km (0.108 R)
• M7: 2,588,941 km (0.049 R)
• M8: 2,954,708 km (0.076 R)
• M9: 3,567,760 km (0.105 R)
• M10: 4,110,949 km (0.101 R)
• M11: 4,610,008 km (0.104 R)
• M12: 5,579,851 km (0.104 R)
• M13: 6,637,807 km (0.11 R)
• M14: 7,061,618 km (0.108 R)
• M15: 7,594,037 km (0.116 R)
• M16: 8,010,667 km (0.103 R)
• M17: 8,248,677 km (0.117 R)
• M18: 9,885,577 km (0.084 R)
• M19: 10,159,640 km (0.119 R)
• M20: 11,247,516 km (0.061 R)
• M21: 12,159,614 km (0.047 R)
• M22: 14,199,680 km (0.075 R)
• M23: 15,047,302 km (0.106 R)
• M24: 16,765,433 km (0.079 R)
• M25: 17,077,046 km (0.078 R)
• M26: 17,313,261 km (0.054 R)
• M27: 21,305,579 km (0.06 R)
• M28: 23,176,151 km (0.055 R)
• M29: 27,348,286 km (0.101 R)
• M30: 31,402,089 km (0.102 R)
• M31: 38,882,731 km (0.071 R)
• M32: 40,677,007 km (0.05 R)
• M33: 43,251,437 km (0.056 R)
• M34: 53,283,770 km (0.102 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: 231 - 11,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit