🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.9

Radius: 11.3

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.46 AU - 0.7 AU

Year: 300 Days

Day: 12.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,939,057 km

• M1: 140,622 km (0.103 R)
• M2: 508,184 km (0.114 R)
• M3: 1,128,417 km (0.12 R)
• M4: 1,557,314 km (0.083 R)
• M5: 1,957,339 km (0.078 R)
• M6: 2,669,873 km (0.098 R)
• M7: 3,092,188 km (0.069 R)
• M8: 3,828,060 km (0.09 R)
• M9: 4,354,794 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.8

Radius: 13.8

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.03 AU - 1.61 AU

Year: 1029 Days

Day: 11.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,939,057 km

• M1: 171,738 km (0.094 R)
• M2: 727,345 km (0.059 R)
• M3: 2,028,996 km (0.088 R)
• M4: 2,481,679 km (0.038 R)
• M5: 3,693,272 km (0.068 R)
• M6: 4,816,752 km (0.089 R)
• M7: 7,033,493 km (0.099 R)
• M8: 7,826,213 km (0.089 R)
• M9: 8,329,909 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.7

Radius: 12.8

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.59 AU - 1.89 AU

Year: 1557 Days

Day: 14.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,939,057 km

• M1: 159,172 km (0.108 R)
• M2: 767,886 km (0.081 R)
• M3: 1,166,564 km (0.069 R)
• M4: 1,581,100 km (0.072 R)
• M5: 1,988,904 km (0.055 R)
• M6: 2,939,897 km (0.098 R)
• M7: 3,551,005 km (0.106 R)
• M8: 4,209,534 km (0.104 R)
• M9: 5,402,129 km (0.119 R)
• M10: 6,808,648 km (0.112 R)
• M11: 7,240,986 km (0.033 R)
• M12: 7,746,028 km (0.058 R)
• M13: 8,161,312 km (0.114 R)
• M14: 8,916,482 km (0.076 R)
• M15: 10,667,375 km (0.091 R)
• M16: 12,188,337 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.9

Radius: 10

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.97 AU - 3.09 AU

Year: 3577 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,939,057 km

• M1: 124,316 km (0.101 R)
• M2: 593,754 km (0.089 R)
• M3: 1,251,985 km (0.101 R)
• M4: 1,746,555 km (0.027 R)
• M5: 2,770,553 km (0.119 R)
• M6: 3,698,059 km (0.099 R)
• M7: 4,478,811 km (0.074 R)
• M8: 4,878,985 km (0.059 R)
• M9: 5,729,748 km (0.06 R)
• M10: 6,087,437 km (0.051 R)
• M11: 6,412,513 km (0.1 R)
• M12: 8,414,132 km (0.108 R)
• M13: 10,045,647 km (0.111 R)
• M14: 10,435,050 km (0.087 R)
• M15: 11,878,221 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.1

Radius: 11.7

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.57 AU - 3.53 AU

Year: 3613 Days

Day: 11.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,939,057 km

• M1: 145,559 km (0.075 R)
• M2: 522,845 km (0.111 R)
• M3: 1,256,772 km (0.078 R)
• M4: 1,892,712 km (0.101 R)
• M5: 2,392,519 km (0.117 R)
• M6: 3,183,443 km (0.118 R)
• M7: 3,557,886 km (0.076 R)
• M8: 3,961,950 km (0.07 R)
• M9: 4,812,414 km (0.106 R)
• M10: 5,362,485 km (0.105 R)
• M11: 6,281,166 km (0.092 R)
• M12: 7,958,308 km (0.093 R)
• M13: 8,392,889 km (0.102 R)
• M14: 9,191,742 km (0.104 R)
• M15: 9,711,146 km (0.101 R)
• M16: 10,377,305 km (0.07 R)
• M17: 10,940,840 km (0.027 R)
• M18: 11,940,902 km (0.071 R)
• M19: 12,608,408 km (0.111 R)
• M20: 15,142,296 km (0.042 R)
• M21: 15,811,298 km (0.106 R)
• M22: 18,308,685 km (0.113 R)
• M23: 19,914,169 km (0.046 R)
• M24: 20,514,506 km (0.08 R)
• M25: 23,110,477 km (0.061 R)
• M26: 27,118,354 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 8.4

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.02 AU - 3.88 AU

Year: 4346 Days

Day: 11.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,939,057 km

• M1: 104,419 km (0.112 R)
• M2: 367,263 km (0.072 R)
• M3: 646,861 km (0.103 R)
• M4: 1,035,068 km (0.072 R)
• M5: 1,327,681 km (0.094 R)
• M6: 1,733,690 km (0.053 R)
• M7: 2,044,554 km (0.084 R)
• M8: 2,320,113 km (0.113 R)
• M9: 2,846,099 km (0.066 R)
• M10: 3,430,578 km (0.093 R)
• M11: 3,987,082 km (0.087 R)
• M12: 4,909,204 km (0.084 R)
• M13: 5,229,493 km (0.089 R)
• M14: 5,994,387 km (0.065 R)
• M15: 6,622,847 km (0.045 R)
• M16: 6,983,827 km (0.092 R)
• M17: 8,282,785 km (0.105 R)
• M18: 8,560,738 km (0.093 R)
• M19: 9,583,240 km (0.054 R)
• M20: 10,242,517 km (0.05 R)
• M21: 10,522,565 km (0.114 R)
• M22: 13,757,170 km (0.102 R)
• M23: 14,147,620 km (0.111 R)
• M24: 15,625,647 km (0.112 R)
• M25: 15,997,248 km (0.119 R)
• M26: 17,091,706 km (0.118 R)
• M27: 17,486,346 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.1

Radius: 8.7

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.07 AU - 5.73 AU

Year: 7357 Days

Day: 6.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,939,057 km

• M1: 108,309 km (0.117 R)
• M2: 416,780 km (0.091 R)
• M3: 731,534 km (0.035 R)
• M4: 1,026,840 km (0.058 R)
• M5: 2,103,795 km (0.082 R)
• M6: 2,885,294 km (0.067 R)
• M7: 3,448,530 km (0.072 R)
• M8: 3,802,329 km (0.058 R)
• M9: 5,263,751 km (0.041 R)
• M10: 5,673,649 km (0.112 R)
• M11: 6,231,948 km (0.108 R)
• M12: 10,022,459 km (0.105 R)
• M13: 12,498,752 km (0.1 R)
• M14: 13,017,857 km (0.093 R)
• M15: 14,775,931 km (0.099 R)
• M16: 15,239,086 km (0.08 R)
• M17: 17,831,318 km (0.034 R)
• M18: 18,489,250 km (0.058 R)
• M19: 19,783,870 km (0.084 R)
• M20: 20,134,377 km (0.109 R)
• M21: 20,417,865 km (0.119 R)
• M22: 20,703,897 km (0.12 R)
• M23: 24,188,629 km (0.072 R)
• M24: 25,818,797 km (0.069 R)
• M25: 28,577,532 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.2

Radius: 6

Gravity: 13.23 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 8.46 AU - 12.48 AU

Year: 22978 Days

Day: 20.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,939,057 km

• M1: 74,799 km (0.093 R)
• M2: 344,374 km (0.111 R)
• M3: 768,484 km (0.091 R)
• M4: 1,147,565 km (0.093 R)
• M5: 2,109,180 km (0.061 R)
• M6: 2,383,244 km (0.109 R)
• M7: 4,389,052 km (0.106 R)
• M8: 4,696,326 km (0.097 R)
• M9: 5,202,715 km (0.11 R)
• M10: 9,197,277 km (0.054 R)
• M11: 11,009,207 km (0.043 R)
• M12: 12,839,088 km (0.117 R)
• M13: 14,043,799 km (0.074 R)
• M14: 16,269,816 km (0.098 R)
• M15: 21,796,709 km (0.038 R)
• M16: 23,095,667 km (0.082 R)
• M17: 26,735,533 km (0.082 R)
• M18: 31,111,720 km (0.088 R)
• M19: 31,360,950 km (0.032 R)
• M20: 37,751,621 km (0.037 R)
• M21: 38,177,526 km (0.098 R)
• M22: 41,852,996 km (0.043 R)
• M23: 46,404,063 km (0.067 R)
• M24: 49,219,495 km (0.061 R)
• M25: 49,898,071 km (0.05 R)
• M26: 51,447,755 km (0.03 R)
• M27: 52,322,454 km (0.088 R)
• M28: 55,188,001 km (0.067 R)
• M29: 56,844,947 km (0.04 R)
• M30: 57,967,829 km (0.098 R)
• M31: 58,724,644 km (0.025 R)
• M32: 62,211,771 km (0.101 R)
• M33: 62,409,389 km (0.099 R)
• M34: 70,879,920 km (0.078 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 17,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit