🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.45 AU - 0.75 AU

Year: 300 Days

Day: 12.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 101.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.5

Radius: 10.2

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.75 AU - 0.79 AU

Year: 436 Days

Day: 6.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,723,060 km

• M1: 126,859 km (0.099 R)
• M2: 592,108 km (0.118 R)
• M3: 970,292 km (0.081 R)
• M4: 1,348,924 km (0.104 R)
• M5: 1,675,047 km (0.094 R)
• M6: 2,357,962 km (0.117 R)
• M7: 2,753,798 km (0.084 R)
• M8: 3,102,211 km (0.108 R)
• M9: 3,566,712 km (0.04 R)
• M10: 4,272,366 km (0.086 R)
• M11: 4,681,217 km (0.115 R)
• M12: 5,459,873 km (0.106 R)
• M13: 5,801,705 km (0.108 R)
• M14: 6,139,646 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.1

Radius: 9

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.87 AU - 1.43 AU

Year: 796 Days

Day: 7.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,723,060 km

• M1: 111,899 km (0.107 R)
• M2: 399,127 km (0.093 R)
• M3: 980,614 km (0.067 R)
• M4: 1,329,626 km (0.114 R)
• M5: 1,637,199 km (0.074 R)
• M6: 1,937,442 km (0.113 R)
• M7: 2,284,958 km (0.115 R)
• M8: 2,884,696 km (0.114 R)
• M9: 3,313,892 km (0.096 R)
• M10: 3,814,147 km (0.112 R)
• M11: 4,525,934 km (0.115 R)
• M12: 4,879,135 km (0.11 R)
• M13: 5,660,035 km (0.041 R)
• M14: 6,734,447 km (0.084 R)
• M15: 7,017,636 km (0.113 R)
• M16: 8,035,650 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.6

Radius: 11.3

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.44 AU - 1.52 AU

Year: 1163 Days

Day: 8.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,723,060 km

• M1: 143,315 km (0.09 R)
• M2: 626,366 km (0.114 R)
• M3: 1,411,606 km (0.115 R)
• M4: 1,763,011 km (0.039 R)
• M5: 2,125,935 km (0.084 R)
• M6: 2,906,537 km (0.091 R)
• M7: 3,266,470 km (0.042 R)
• M8: 3,990,523 km (0.068 R)
• M9: 4,345,220 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.7

Radius: 8.4

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.46 AU - 4.16 AU

Year: 4802 Days

Day: 13.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,723,060 km

• M1: 104,569 km (0.054 R)
• M2: 446,849 km (0.08 R)
• M3: 1,084,136 km (0.06 R)
• M4: 1,525,898 km (0.112 R)
• M5: 2,143,289 km (0.055 R)
• M6: 2,476,443 km (0.079 R)
• M7: 2,955,306 km (0.054 R)
• M8: 3,601,718 km (0.046 R)
• M9: 4,795,958 km (0.07 R)
• M10: 6,018,023 km (0.108 R)
• M11: 8,053,601 km (0.059 R)
• M12: 8,355,789 km (0.112 R)
• M13: 8,744,444 km (0.058 R)
• M14: 9,474,183 km (0.116 R)
• M15: 10,112,816 km (0.069 R)
• M16: 11,100,910 km (0.064 R)
• M17: 11,428,529 km (0.043 R)
• M18: 11,810,752 km (0.067 R)
• M19: 12,449,984 km (0.111 R)
• M20: 13,112,104 km (0.102 R)
• M21: 13,584,085 km (0.047 R)
• M22: 14,673,606 km (0.079 R)
• M23: 15,011,548 km (0.077 R)
• M24: 24,530,909 km (0.096 R)
• M25: 25,247,782 km (0.097 R)
• M26: 26,639,790 km (0.078 R)
• M27: 29,575,948 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 12.1

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.87 AU - 6.17 AU

Year: 8374 Days

Day: 14.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,723,060 km

• M1: 150,645 km (0.093 R)
• M2: 564,882 km (0.08 R)
• M3: 964,457 km (0.074 R)
• M4: 1,549,086 km (0.07 R)
• M5: 2,238,134 km (0.109 R)
• M6: 2,625,143 km (0.115 R)
• M7: 3,100,865 km (0.117 R)
• M8: 5,129,861 km (0.103 R)
• M9: 7,002,377 km (0.04 R)
• M10: 8,701,360 km (0.113 R)
• M11: 11,445,733 km (0.062 R)
• M12: 12,609,605 km (0.107 R)
• M13: 13,668,458 km (0.118 R)
• M14: 14,157,793 km (0.107 R)
• M15: 19,560,819 km (0.058 R)
• M16: 21,878,090 km (0.031 R)
• M17: 22,463,915 km (0.102 R)
• M18: 25,184,353 km (0.103 R)
• M19: 26,671,056 km (0.118 R)
• M20: 29,615,292 km (0.117 R)
• M21: 31,482,273 km (0.038 R)
• M22: 32,229,066 km (0.038 R)
• M23: 32,878,470 km (0.107 R)
• M24: 36,725,080 km (0.059 R)
• M25: 39,000,464 km (0.069 R)
• M26: 44,360,855 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.2

Radius: 8.1

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.5 AU - 5.7 AU

Year: 8557 Days

Day: 7 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,723,060 km

• M1: 100,829 km (0.057 R)
• M2: 391,198 km (0.105 R)
• M3: 657,034 km (0.08 R)
• M4: 2,295,280 km (0.083 R)
• M5: 2,656,260 km (0.094 R)
• M6: 2,924,638 km (0.106 R)
• M7: 5,281,403 km (0.097 R)
• M8: 6,483,273 km (0.075 R)
• M9: 7,366,349 km (0.087 R)
• M10: 7,816,040 km (0.116 R)
• M11: 8,283,982 km (0.082 R)
• M12: 10,445,821 km (0.094 R)
• M13: 13,796,514 km (0.092 R)
• M14: 16,390,541 km (0.039 R)
• M15: 18,612,369 km (0.084 R)
• M16: 19,064,453 km (0.037 R)
• M17: 28,607,002 km (0.107 R)
• M18: 33,998,360 km (0.049 R)
• M19: 41,546,171 km (0.069 R)
• M20: 44,827,002 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.2

Radius: 4.3

Gravity: 48.09 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.53 AU - 7.85 AU

Year: 11173 Days

Day: 22.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,723,060 km

• M1: 54,304 km (0.054 R)
• M2: 310,715 km (0.096 R)
• M3: 510,278 km (0.108 R)
• M4: 764,894 km (0.114 R)
• M5: 1,160,580 km (0.077 R)
• M6: 1,301,501 km (0.117 R)
• M7: 2,634,269 km (0.089 R)
• M8: 3,467,529 km (0.1 R)
• M9: 3,653,180 km (0.093 R)
• M10: 3,901,662 km (0.1 R)
• M11: 4,220,605 km (0.116 R)
• M12: 4,401,768 km (0.098 R)
• M13: 4,619,732 km (0.111 R)
• M14: 5,708,804 km (0.117 R)
• M15: 5,855,859 km (0.104 R)
• M16: 6,005,607 km (0.117 R)
• M17: 8,239,103 km (0.077 R)
• M18: 11,027,757 km (0.11 R)
• M19: 11,256,342 km (0.119 R)
• M20: 12,324,621 km (0.092 R)
• M21: 13,264,843 km (0.094 R)
• M22: 13,654,097 km (0.083 R)
• M23: 15,287,257 km (0.045 R)
• M24: 15,571,493 km (0.063 R)
• M25: 15,787,063 km (0.051 R)
• M26: 17,428,750 km (0.11 R)
• M27: 17,817,256 km (0.083 R)
• M28: 20,699,259 km (0.062 R)
• M29: 26,134,000 km (0.055 R)
• M30: 27,054,326 km (0.118 R)
• M31: 28,102,259 km (0.082 R)
• M32: 28,421,651 km (0.109 R)
• M33: 28,743,735 km (0.106 R)
• M34: 33,034,950 km (0.038 R)
• M35: 33,629,452 km (0.088 R)
• M36: 50,128,152 km (0.119 R)
• M37: 55,460,269 km (0.102 R)

Asteroid Belt

Center: 6.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.6

Radius: 4.6

Gravity: 36.18 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.05 AU - 7.37 AU

Year: 12500 Days

Day: 21.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 110.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,723,060 km

• M1: 57,894 km (0.095 R)
• M2: 218,862 km (0.108 R)
• M3: 371,601 km (0.098 R)
• M4: 1,094,308 km (0.066 R)
• M5: 1,567,935 km (0.117 R)
• M6: 2,225,119 km (0.103 R)
• M7: 2,466,570 km (0.11 R)
• M8: 2,615,420 km (0.092 R)
• M9: 3,196,458 km (0.061 R)
• M10: 3,451,672 km (0.104 R)
• M11: 3,945,045 km (0.11 R)
• M12: 5,597,204 km (0.077 R)
• M13: 7,093,781 km (0.112 R)
• M14: 8,259,448 km (0.093 R)
• M15: 9,968,753 km (0.097 R)
• M16: 11,780,533 km (0.058 R)
• M17: 11,960,948 km (0.106 R)
• M18: 12,826,970 km (0.087 R)
• M19: 13,082,035 km (0.051 R)
• M20: 13,405,465 km (0.076 R)
• M21: 14,892,318 km (0.08 R)
• M22: 16,635,882 km (0.097 R)
• M23: 17,092,155 km (0.073 R)
• M24: 18,029,685 km (0.105 R)
• M25: 21,851,013 km (0.086 R)
• M26: 22,675,148 km (0.042 R)
• M27: 27,739,634 km (0.097 R)
• M28: 31,044,999 km (0.054 R)
• M29: 31,620,203 km (0.034 R)
• M30: 39,354,861 km (0.065 R)
• M31: 39,893,115 km (0.107 R)
• M32: 41,955,620 km (0.054 R)
• M33: 42,235,967 km (0.045 R)
• M34: 43,512,485 km (0.059 R)
• M35: 45,697,063 km (0.106 R)
• M36: 49,342,464 km (0.083 R)
• M37: 53,834,888 km (0.097 R)
• M38: 56,179,984 km (0.086 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: 513 - 13,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit