🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.62 AU - 0.82 AU

Year: 259 Days

Day: 19.5 Hours

Environment

Temp: -10 °C

Axial Tilt: 16.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.96 AU - 1.12 AU

Year: 450 Days

Day: 20 Hours

Environment

Temp: -55 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.2 AU - 2.44 AU

Year: 1500 Days

Day: 30.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.22 AU - 2.88 AU

Year: 1729 Days

Day: 46.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.2

Radius: 13.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.22 AU - 6.86 AU

Year: 5537 Days

Day: 10.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 106,100,854 km

• M1: 172,935 km (0.088 R)
• M2: 889,509 km (0.086 R)
• M3: 1,428,660 km (0.118 R)
• M4: 2,418,998 km (0.069 R)
• M5: 3,674,572 km (0.087 R)
• M6: 5,000,159 km (0.046 R)
• M7: 5,440,276 km (0.094 R)
• M8: 6,180,486 km (0.081 R)
• M9: 7,789,860 km (0.081 R)
• M10: 8,692,534 km (0.097 R)
• M11: 9,960,376 km (0.07 R)
• M12: 13,639,885 km (0.08 R)
• M13: 14,230,797 km (0.06 R)
• M14: 14,671,213 km (0.045 R)
• M15: 16,165,995 km (0.118 R)
• M16: 17,696,979 km (0.106 R)
• M17: 20,763,287 km (0.081 R)
• M18: 24,717,009 km (0.085 R)
• M19: 28,970,675 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750

Radius: 5

Gravity: 30 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 9.75 AU - 13.31 AU

Year: 16623 Days

Day: 17.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 106,100,854 km

• M1: 62,233 km (0.094 R)
• M2: 356,641 km (0.102 R)
• M3: 650,152 km (0.117 R)
• M4: 1,043,894 km (0.085 R)
• M5: 1,734,139 km (0.118 R)
• M6: 2,736,743 km (0.106 R)
• M7: 2,906,387 km (0.068 R)
• M8: 4,977,121 km (0.106 R)
• M9: 6,043,305 km (0.067 R)
• M10: 6,248,553 km (0.116 R)
• M11: 6,981,583 km (0.12 R)
• M12: 13,230,136 km (0.075 R)
• M13: 14,948,717 km (0.07 R)
• M14: 17,881,284 km (0.115 R)
• M15: 18,735,039 km (0.116 R)
• M16: 19,795,089 km (0.081 R)
• M17: 20,431,628 km (0.093 R)
• M18: 21,841,289 km (0.094 R)
• M19: 23,014,735 km (0.103 R)
• M20: 26,896,800 km (0.093 R)
• M21: 28,934,023 km (0.045 R)
• M22: 30,708,404 km (0.07 R)
• M23: 31,683,931 km (0.028 R)
• M24: 33,058,586 km (0.043 R)
• M25: 33,824,827 km (0.088 R)
• M26: 36,060,417 km (0.088 R)
• M27: 37,973,774 km (0.101 R)
• M28: 40,386,937 km (0.094 R)
• M29: 45,047,060 km (0.093 R)
• M30: 45,673,277 km (0.097 R)
• M31: 46,943,064 km (0.085 R)
• M32: 48,399,698 km (0.083 R)
• M33: 52,086,239 km (0.101 R)
• M34: 53,646,844 km (0.12 R)
• M35: 55,417,185 km (0.076 R)
• M36: 56,316,717 km (0.066 R)
• M37: 60,390,716 km (0.1 R)
• M38: 69,119,452 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.6

Radius: 7.8

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 11.67 AU - 15.85 AU

Year: 21672 Days

Day: 20.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 106,100,854 km

• M1: 97,837 km (0.113 R)
• M2: 381,325 km (0.106 R)
• M3: 701,315 km (0.116 R)
• M4: 2,523,267 km (0.114 R)
• M5: 3,223,086 km (0.112 R)
• M6: 3,492,362 km (0.1 R)
• M7: 4,107,509 km (0.107 R)
• M8: 4,490,180 km (0.116 R)
• M9: 5,551,727 km (0.115 R)
• M10: 5,900,589 km (0.063 R)
• M11: 6,685,379 km (0.072 R)
• M12: 6,991,456 km (0.055 R)
• M13: 7,821,725 km (0.095 R)
• M14: 8,161,761 km (0.09 R)
• M15: 8,410,542 km (0.039 R)
• M16: 11,556,436 km (0.056 R)
• M17: 12,320,133 km (0.113 R)
• M18: 13,736,824 km (0.1 R)
• M19: 14,739,729 km (0.12 R)
• M20: 18,294,024 km (0.113 R)
• M21: 18,980,679 km (0.05 R)
• M22: 19,684,387 km (0.118 R)
• M23: 20,864,714 km (0.09 R)
• M24: 27,705,226 km (0.036 R)
• M25: 36,573,388 km (0.108 R)
• M26: 38,632,453 km (0.056 R)
• M27: 46,210,333 km (0.072 R)
• M28: 47,804,000 km (0.054 R)
• M29: 48,777,583 km (0.111 R)
• M30: 50,764,242 km (0.09 R)
• M31: 54,369,850 km (0.039 R)
• M32: 63,050,566 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.4

Radius: 6.2

Gravity: 21.29 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 15.97 AU - 18.31 AU

Year: 30129 Days

Day: 17.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 106,100,854 km

• M1: 77,043 km (0.079 R)
• M2: 413,937 km (0.116 R)
• M3: 655,089 km (0.052 R)
• M4: 887,714 km (0.057 R)
• M5: 1,221,467 km (0.06 R)
• M6: 2,636,214 km (0.03 R)
• M7: 2,968,471 km (0.096 R)
• M8: 3,205,134 km (0.106 R)
• M9: 4,134,885 km (0.089 R)
• M10: 5,535,121 km (0.088 R)
• M11: 6,366,287 km (0.118 R)
• M12: 6,661,144 km (0.084 R)
• M13: 8,925,159 km (0.077 R)
• M14: 13,014,566 km (0.1 R)
• M15: 14,559,014 km (0.099 R)
• M16: 15,506,866 km (0.101 R)
• M17: 16,131,138 km (0.095 R)
• M18: 16,772,016 km (0.111 R)
• M19: 17,051,764 km (0.039 R)
• M20: 17,620,834 km (0.101 R)
• M21: 20,656,773 km (0.088 R)
• M22: 23,323,505 km (0.112 R)
• M23: 26,588,030 km (0.079 R)
• M24: 28,659,661 km (0.029 R)
• M25: 30,144,719 km (0.111 R)
• M26: 35,210,552 km (0.117 R)
• M27: 36,443,238 km (0.029 R)
• M28: 37,704,348 km (0.085 R)
• M29: 41,491,867 km (0.107 R)
• M30: 63,819,798 km (0.113 R)
• M31: 64,273,977 km (0.058 R)
• M32: 64,501,964 km (0.048 R)
• M33: 69,174,355 km (0.097 R)
• M34: 69,413,711 km (0.044 R)
• M35: 72,823,047 km (0.106 R)
• M36: 89,267,742 km (0.085 R)
• M37: 95,947,138 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 20,277 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit