🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.3

Radius: 12.4

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.77 AU - 0.93 AU

Year: 514 Days

Day: 11.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,001,457 km

• M1: 154,235 km (0.092 R)
• M2: 541,544 km (0.06 R)
• M3: 976,276 km (0.088 R)
• M4: 1,372,112 km (0.101 R)
• M5: 1,834,519 km (0.06 R)
• M6: 2,255,337 km (0.12 R)
• M7: 2,888,436 km (0.093 R)
• M8: 3,285,917 km (0.101 R)
• M9: 3,939,211 km (0.11 R)
• M10: 5,095,154 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.4

Radius: 10.9

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.91 AU - 0.91 AU

Year: 569 Days

Day: 14 Hours

Environment

Temp: -150 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 86,001,457 km

• M1: 135,685 km (0.057 R)
• M2: 504,893 km (0.112 R)
• M3: 1,428,809 km (0.089 R)
• M4: 2,293,635 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.9

Radius: 14.1

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.11 AU - 1.17 AU

Year: 798 Days

Day: 13.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,001,457 km

• M1: 175,329 km (0.111 R)
• M2: 777,759 km (0.086 R)
• M3: 1,335,759 km (0.044 R)
• M4: 2,071,033 km (0.118 R)
• M5: 2,768,458 km (0.115 R)
• M6: 3,487,426 km (0.05 R)
• M7: 4,313,056 km (0.084 R)
• M8: 5,387,767 km (0.074 R)
• M9: 6,573,480 km (0.039 R)
• M10: 7,026,313 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.2

Radius: 14.5

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.79 AU - 2.13 AU

Year: 1800 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,001,457 km

• M1: 180,265 km (0.039 R)
• M2: 826,379 km (0.096 R)
• M3: 1,788,742 km (0.101 R)
• M4: 2,600,310 km (0.037 R)
• M5: 3,238,794 km (0.105 R)
• M6: 3,802,628 km (0.07 R)
• M7: 5,782,556 km (0.076 R)
• M8: 6,852,181 km (0.109 R)
• M9: 7,504,428 km (0.1 R)
• M10: 9,915,048 km (0.075 R)
• M11: 10,397,202 km (0.115 R)
• M12: 12,053,848 km (0.116 R)
• M13: 12,563,828 km (0.084 R)
• M14: 13,966,008 km (0.082 R)

Asteroid Belt

Center: 2.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.5

Radius: 11.7

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.39 AU - 3.91 AU

Year: 4575 Days

Day: 7.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,001,457 km

• M1: 145,559 km (0.064 R)
• M2: 701,165 km (0.104 R)
• M3: 1,206,656 km (0.042 R)
• M4: 2,210,458 km (0.101 R)
• M5: 2,872,130 km (0.05 R)
• M6: 3,270,060 km (0.062 R)
• M7: 4,039,292 km (0.12 R)
• M8: 5,386,571 km (0.102 R)
• M9: 8,557,297 km (0.116 R)
• M10: 10,983,625 km (0.082 R)
• M11: 12,502,642 km (0.053 R)
• M12: 13,004,992 km (0.093 R)
• M13: 14,592,973 km (0.1 R)
• M14: 15,837,179 km (0.119 R)
• M15: 18,087,280 km (0.068 R)
• M16: 19,255,640 km (0.115 R)
• M17: 21,527,283 km (0.099 R)
• M18: 23,895,567 km (0.088 R)
• M19: 25,142,465 km (0.071 R)
• M20: 25,943,712 km (0.1 R)
• M21: 26,844,440 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504

Radius: 12.9

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.61 AU - 5.13 AU

Year: 5993 Days

Day: 6 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,001,457 km

• M1: 160,519 km (0.086 R)
• M2: 638,484 km (0.118 R)
• M3: 1,774,081 km (0.11 R)
• M4: 2,644,442 km (0.079 R)
• M5: 3,377,920 km (0.116 R)
• M6: 4,008,176 km (0.114 R)
• M7: 4,898,732 km (0.115 R)
• M8: 5,505,202 km (0.068 R)
• M9: 6,007,850 km (0.115 R)
• M10: 6,902,745 km (0.118 R)
• M11: 9,037,507 km (0.058 R)
• M12: 9,487,497 km (0.103 R)
• M13: 11,251,256 km (0.039 R)
• M14: 12,309,960 km (0.105 R)
• M15: 12,863,622 km (0.028 R)
• M16: 13,381,380 km (0.053 R)
• M17: 15,189,420 km (0.096 R)
• M18: 16,969,634 km (0.029 R)
• M19: 18,885,385 km (0.054 R)
• M20: 19,895,470 km (0.094 R)
• M21: 24,772,360 km (0.092 R)
• M22: 26,064,587 km (0.09 R)
• M23: 26,560,653 km (0.117 R)
• M24: 29,402,265 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.7

Radius: 7.4

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.36 AU - 10.12 AU

Year: 16950 Days

Day: 19.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,001,457 km

• M1: 92,451 km (0.105 R)
• M2: 478,564 km (0.1 R)
• M3: 912,098 km (0.092 R)
• M4: 1,448,407 km (0.119 R)
• M5: 2,280,021 km (0.061 R)
• M6: 2,811,991 km (0.046 R)
• M7: 3,849,303 km (0.082 R)
• M8: 4,438,270 km (0.099 R)
• M9: 7,090,191 km (0.102 R)
• M10: 7,593,139 km (0.062 R)
• M11: 8,022,036 km (0.071 R)
• M12: 8,772,868 km (0.116 R)
• M13: 10,183,875 km (0.08 R)
• M14: 10,588,238 km (0.109 R)
• M15: 12,120,569 km (0.083 R)
• M16: 14,578,761 km (0.094 R)
• M17: 14,870,926 km (0.042 R)
• M18: 16,706,641 km (0.059 R)
• M19: 17,026,631 km (0.091 R)
• M20: 17,761,606 km (0.107 R)
• M21: 19,382,499 km (0.104 R)
• M22: 21,473,727 km (0.113 R)
• M23: 24,216,754 km (0.117 R)
• M24: 27,851,234 km (0.073 R)
• M25: 30,387,217 km (0.057 R)
• M26: 31,346,439 km (0.088 R)
• M27: 33,704,999 km (0.108 R)
• M28: 34,732,586 km (0.12 R)
• M29: 39,900,295 km (0.101 R)
• M30: 41,049,955 km (0.11 R)
• M31: 41,486,781 km (0.114 R)
• M32: 42,073,803 km (0.109 R)
• M33: 43,717,135 km (0.068 R)
• M34: 44,631,178 km (0.101 R)
• M35: 49,393,776 km (0.118 R)
• M36: 53,266,566 km (0.117 R)
• M37: 55,542,697 km (0.105 R)
• M38: 56,435,049 km (0.105 R)
• M39: 60,852,225 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.2

Radius: 4.2

Gravity: 42.19 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 10.68 AU - 10.78 AU

Year: 23057 Days

Day: 24.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,001,457 km

• M1: 52,210 km (0.041 R)
• M2: 263,741 km (0.099 R)
• M3: 438,322 km (0.089 R)
• M4: 614,249 km (0.073 R)
• M5: 1,044,343 km (0.037 R)
• M6: 2,419,596 km (0.114 R)
• M7: 2,738,688 km (0.118 R)
• M8: 3,197,505 km (0.111 R)
• M9: 3,581,672 km (0.109 R)
• M10: 6,743,722 km (0.087 R)
• M11: 7,126,992 km (0.118 R)
• M12: 7,373,679 km (0.107 R)
• M13: 7,677,363 km (0.042 R)
• M14: 8,201,853 km (0.111 R)
• M15: 9,857,602 km (0.116 R)
• M16: 11,520,682 km (0.063 R)
• M17: 11,655,918 km (0.114 R)
• M18: 12,207,186 km (0.063 R)
• M19: 14,119,346 km (0.069 R)
• M20: 14,825,149 km (0.029 R)
• M21: 15,554,289 km (0.032 R)
• M22: 16,137,571 km (0.109 R)
• M23: 20,437,313 km (0.093 R)
• M24: 23,330,686 km (0.028 R)
• M25: 23,984,428 km (0.089 R)
• M26: 28,164,791 km (0.11 R)
• M27: 33,487,932 km (0.099 R)
• M28: 34,739,917 km (0.111 R)
• M29: 37,336,786 km (0.112 R)
• M30: 40,370,781 km (0.078 R)
• M31: 44,223,524 km (0.069 R)
• M32: 46,068,365 km (0.055 R)
• M33: 47,441,823 km (0.099 R)
• M34: 48,138,800 km (0.098 R)
• M35: 48,842,508 km (0.117 R)
• M36: 49,196,905 km (0.112 R)
• M37: 55,873,010 km (0.08 R)
• M38: 72,355,553 km (0.098 R)
• M39: 73,975,848 km (0.068 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 556 - 12,782 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit