🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.5

Radius: 13.8

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.66 AU - 0.76 AU

Year: 406 Days

Day: 9.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,853,520 km

• M1: 171,589 km (0.102 R)
• M2: 989,291 km (0.065 R)
• M3: 1,456,036 km (0.112 R)
• M4: 2,081,654 km (0.091 R)
• M5: 2,768,907 km (0.1 R)
• M6: 3,386,297 km (0.108 R)
• M7: 4,081,180 km (0.116 R)
• M8: 4,689,145 km (0.091 R)
• M9: 5,244,303 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 10.1

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.53 AU - 1.89 AU

Year: 1517 Days

Day: 6.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,853,520 km

• M1: 125,662 km (0.048 R)
• M2: 482,004 km (0.062 R)
• M3: 853,157 km (0.038 R)
• M4: 1,206,656 km (0.045 R)
• M5: 1,573,770 km (0.109 R)
• M6: 1,888,224 km (0.051 R)
• M7: 2,355,269 km (0.074 R)
• M8: 3,097,424 km (0.11 R)
• M9: 4,152,089 km (0.102 R)
• M10: 4,817,051 km (0.105 R)
• M11: 5,351,415 km (0.116 R)
• M12: 5,903,581 km (0.107 R)
• M13: 6,270,395 km (0.091 R)
• M14: 6,744,620 km (0.058 R)
• M15: 9,281,501 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.3

Radius: 10.4

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.49 AU - 3.21 AU

Year: 3263 Days

Day: 5.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,853,520 km

• M1: 129,402 km (0.079 R)
• M2: 491,878 km (0.1 R)
• M3: 935,585 km (0.102 R)
• M4: 1,490,593 km (0.107 R)
• M5: 1,820,157 km (0.111 R)
• M6: 2,614,821 km (0.119 R)
• M7: 3,281,728 km (0.12 R)
• M8: 4,253,965 km (0.105 R)
• M9: 7,979,850 km (0.111 R)
• M10: 9,191,144 km (0.098 R)
• M11: 9,685,415 km (0.075 R)
• M12: 10,037,868 km (0.106 R)
• M13: 11,317,977 km (0.054 R)
• M14: 13,126,615 km (0.114 R)
• M15: 13,656,042 km (0.116 R)
• M16: 16,464,442 km (0.115 R)
• M17: 18,537,719 km (0.104 R)
• M18: 19,949,923 km (0.112 R)
• M19: 20,457,658 km (0.095 R)
• M20: 21,104,370 km (0.067 R)
• M21: 22,506,700 km (0.111 R)
• M22: 23,475,496 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.4

Radius: 10.6

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.28 AU - 5.44 AU

Year: 7267 Days

Day: 13.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,853,520 km

• M1: 131,796 km (0.112 R)
• M2: 688,749 km (0.103 R)
• M3: 1,052,870 km (0.074 R)
• M4: 1,485,208 km (0.095 R)
• M5: 1,957,488 km (0.054 R)
• M6: 2,640,402 km (0.055 R)
• M7: 3,295,342 km (0.087 R)
• M8: 4,236,612 km (0.086 R)
• M9: 5,472,290 km (0.077 R)
• M10: 5,823,995 km (0.04 R)
• M11: 6,970,812 km (0.112 R)
• M12: 8,726,343 km (0.101 R)
• M13: 9,163,318 km (0.101 R)
• M14: 11,109,587 km (0.078 R)
• M15: 13,489,240 km (0.099 R)
• M16: 19,974,009 km (0.095 R)
• M17: 20,504,034 km (0.092 R)
• M18: 21,277,604 km (0.092 R)
• M19: 23,130,524 km (0.079 R)
• M20: 23,547,154 km (0.086 R)
• M21: 24,567,561 km (0.108 R)
• M22: 27,618,759 km (0.09 R)
• M23: 29,526,880 km (0.095 R)
• M24: 30,513,178 km (0.036 R)
• M25: 32,343,658 km (0.107 R)
• M26: 39,327,485 km (0.069 R)
• M27: 39,683,079 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.4

Radius: 10.6

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.76 AU - 5.26 AU

Year: 7606 Days

Day: 9.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,853,520 km

• M1: 131,945 km (0.092 R)
• M2: 477,965 km (0.047 R)
• M3: 840,441 km (0.109 R)
• M4: 1,210,097 km (0.118 R)
• M5: 1,839,306 km (0.105 R)
• M6: 2,377,559 km (0.078 R)
• M7: 2,767,860 km (0.106 R)
• M8: 3,724,688 km (0.083 R)
• M9: 4,105,115 km (0.08 R)
• M10: 4,511,423 km (0.113 R)
• M11: 5,957,885 km (0.107 R)
• M12: 6,346,989 km (0.068 R)
• M13: 7,284,668 km (0.069 R)
• M14: 7,959,504 km (0.04 R)
• M15: 8,965,400 km (0.094 R)
• M16: 9,652,354 km (0.085 R)
• M17: 11,622,857 km (0.047 R)
• M18: 19,688,127 km (0.119 R)
• M19: 21,070,710 km (0.09 R)
• M20: 23,065,897 km (0.108 R)
• M21: 24,354,683 km (0.066 R)
• M22: 24,850,151 km (0.115 R)
• M23: 25,861,283 km (0.105 R)
• M24: 26,637,397 km (0.101 R)
• M25: 30,752,984 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.7

Radius: 4.3

Gravity: 49.69 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.34 AU - 7.08 AU

Year: 10496 Days

Day: 22.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 40,853,520 km

• M1: 53,556 km (0.053 R)
• M2: 226,790 km (0.12 R)
• M3: 404,363 km (0.08 R)
• M4: 551,418 km (0.028 R)
• M5: 779,555 km (0.099 R)
• M6: 1,079,947 km (0.057 R)
• M7: 1,511,387 km (0.093 R)
• M8: 1,678,339 km (0.1 R)
• M9: 2,391,920 km (0.075 R)
• M10: 3,165,940 km (0.097 R)
• M11: 4,094,344 km (0.064 R)
• M12: 6,871,030 km (0.072 R)
• M13: 7,459,997 km (0.057 R)
• M14: 7,678,260 km (0.043 R)
• M15: 7,945,741 km (0.088 R)
• M16: 11,600,268 km (0.115 R)
• M17: 12,071,501 km (0.113 R)
• M18: 12,494,115 km (0.06 R)
• M19: 21,270,723 km (0.118 R)
• M20: 22,970,903 km (0.113 R)
• M21: 34,023,493 km (0.045 R)
• M22: 36,341,512 km (0.093 R)
• M23: 38,503,051 km (0.11 R)
• M24: 42,109,557 km (0.081 R)
• M25: 42,801,297 km (0.081 R)
• M26: 44,635,068 km (0.08 R)
• M27: 44,778,383 km (0.07 R)
• M28: 47,557,612 km (0.108 R)
• M29: 51,386,869 km (0.095 R)
• M30: 54,430,736 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.5

Radius: 5.1

Gravity: 25.7 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.52 AU - 8.48 AU

Year: 12561 Days

Day: 19.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 40,853,520 km

• M1: 63,429 km (0.045 R)
• M2: 335,099 km (0.081 R)
• M3: 582,833 km (0.052 R)
• M4: 1,012,927 km (0.107 R)
• M5: 1,858,155 km (0.055 R)
• M6: 2,557,974 km (0.061 R)
• M7: 2,751,853 km (0.059 R)
• M8: 3,025,916 km (0.113 R)
• M9: 3,846,161 km (0.046 R)
• M10: 4,015,057 km (0.079 R)
• M11: 4,367,809 km (0.108 R)
• M12: 4,614,346 km (0.066 R)
• M13: 5,694,443 km (0.081 R)
• M14: 7,183,839 km (0.093 R)
• M15: 8,482,349 km (0.116 R)
• M16: 10,795,132 km (0.108 R)
• M17: 10,962,831 km (0.047 R)
• M18: 11,132,176 km (0.089 R)
• M19: 12,612,746 km (0.111 R)
• M20: 12,986,741 km (0.06 R)
• M21: 14,761,570 km (0.118 R)
• M22: 16,841,429 km (0.104 R)
• M23: 18,068,580 km (0.106 R)
• M24: 21,395,188 km (0.064 R)
• M25: 22,924,677 km (0.119 R)
• M26: 25,898,832 km (0.115 R)
• M27: 26,199,673 km (0.115 R)
• M28: 30,103,580 km (0.083 R)
• M29: 32,135,717 km (0.12 R)
• M30: 35,107,180 km (0.108 R)
• M31: 36,975,208 km (0.062 R)
• M32: 37,484,439 km (0.054 R)
• M33: 40,908,286 km (0.08 R)
• M34: 50,992,977 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.5

Radius: 6.8

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.02 AU - 8.2 AU

Year: 12859 Days

Day: 17 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,853,520 km

• M1: 86,318 km (0.099 R)
• M2: 314,455 km (0.099 R)
• M3: 676,781 km (0.079 R)
• M4: 979,567 km (0.098 R)
• M5: 1,275,771 km (0.108 R)
• M6: 1,658,891 km (0.052 R)
• M7: 2,083,450 km (0.101 R)
• M8: 2,321,609 km (0.058 R)
• M9: 2,578,170 km (0.103 R)
• M10: 3,192,119 km (0.086 R)
• M11: 3,899,568 km (0.1 R)
• M12: 4,236,761 km (0.074 R)
• M13: 4,969,641 km (0.075 R)
• M14: 5,429,206 km (0.067 R)
• M15: 5,784,052 km (0.1 R)
• M16: 7,054,138 km (0.102 R)
• M17: 8,543,086 km (0.066 R)
• M18: 11,024,316 km (0.027 R)
• M19: 13,653,050 km (0.083 R)
• M20: 14,370,072 km (0.05 R)
• M21: 18,552,230 km (0.069 R)
• M22: 19,655,664 km (0.033 R)
• M23: 23,564,657 km (0.111 R)
• M24: 26,288,235 km (0.077 R)
• M25: 27,023,659 km (0.088 R)
• M26: 33,195,768 km (0.104 R)
• M27: 37,639,572 km (0.08 R)
• M28: 38,338,643 km (0.103 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 16,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit