🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.5 AU - 0.56 AU

Year: 171 Days

Day: 14.6 Hours

Environment

Temp: 37 °C

Axial Tilt: 35.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.93 AU - 1.07 AU

Year: 443 Days

Day: 44.9 Hours

Environment

Temp: -68 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,081,003 km

• M1: 386,262 km (0.094 R)

Asteroid Belt

Center: 2.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.4

Radius: 14.8

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.49 AU - 5.69 AU

Year: 4356 Days

Day: 6.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,081,003 km

• M1: 184,005 km (0.064 R)
• M2: 751,281 km (0.058 R)
• M3: 1,439,281 km (0.06 R)
• M4: 2,887,688 km (0.116 R)
• M5: 3,675,919 km (0.084 R)
• M6: 4,841,436 km (0.071 R)
• M7: 5,497,423 km (0.093 R)
• M8: 7,304,116 km (0.103 R)
• M9: 14,102,890 km (0.056 R)
• M10: 17,617,543 km (0.116 R)
• M11: 20,049,705 km (0.104 R)
• M12: 20,951,631 km (0.062 R)
• M13: 23,044,804 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.8

Radius: 14

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.74 AU - 4.94 AU

Year: 4716 Days

Day: 8.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,081,003 km

• M1: 189,840 km (0.099 R)
• M2: 896,091 km (0.032 R)
• M3: 2,401,943 km (0.109 R)
• M4: 3,335,883 km (0.105 R)
• M5: 4,783,691 km (0.06 R)
• M6: 6,453,951 km (0.117 R)
• M7: 7,193,414 km (0.109 R)
• M8: 7,876,777 km (0.12 R)
• M9: 10,190,308 km (0.075 R)
• M10: 12,113,538 km (0.035 R)
• M11: 16,853,696 km (0.114 R)
• M12: 21,295,855 km (0.106 R)
• M13: 22,782,709 km (0.118 R)
• M14: 24,576,985 km (0.103 R)
• M15: 26,716,983 km (0.051 R)
• M16: 28,006,666 km (0.072 R)
• M17: 29,972,681 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.1

Radius: 13.1

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.53 AU - 7.35 AU

Year: 7239 Days

Day: 14.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,081,003 km

• M1: 162,912 km (0.065 R)
• M2: 659,128 km (0.071 R)
• M3: 1,758,373 km (0.113 R)
• M4: 2,689,919 km (0.101 R)
• M5: 3,180,451 km (0.086 R)
• M6: 4,343,873 km (0.092 R)
• M7: 4,760,653 km (0.103 R)
• M8: 5,265,695 km (0.118 R)
• M9: 6,005,756 km (0.078 R)
• M10: 7,814,245 km (0.093 R)
• M11: 8,648,253 km (0.099 R)
• M12: 9,540,754 km (0.029 R)
• M13: 10,249,698 km (0.103 R)
• M14: 14,701,731 km (0.101 R)
• M15: 15,712,863 km (0.115 R)
• M16: 17,732,733 km (0.05 R)
• M17: 21,957,527 km (0.039 R)
• M18: 27,936,206 km (0.091 R)
• M19: 29,683,658 km (0.051 R)
• M20: 33,395,481 km (0.119 R)
• M21: 37,521,839 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.7

Radius: 8.7

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.38 AU - 8.02 AU

Year: 9464 Days

Day: 11.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,081,003 km

• M1: 108,458 km (0.084 R)
• M2: 461,509 km (0.112 R)
• M3: 992,133 km (0.119 R)
• M4: 1,401,433 km (0.107 R)
• M5: 1,729,950 km (0.074 R)
• M6: 3,038,782 km (0.104 R)
• M7: 3,455,711 km (0.101 R)
• M8: 4,514,116 km (0.105 R)
• M9: 5,088,123 km (0.03 R)
• M10: 8,207,388 km (0.117 R)
• M11: 11,099,564 km (0.065 R)
• M12: 13,424,614 km (0.084 R)
• M13: 15,542,620 km (0.057 R)
• M14: 17,804,540 km (0.026 R)
• M15: 18,509,445 km (0.094 R)
• M16: 19,086,744 km (0.06 R)
• M17: 21,674,787 km (0.087 R)
• M18: 28,669,534 km (0.039 R)
• M19: 29,833,855 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.6

Radius: 7.6

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 11.98 AU - 12.62 AU

Year: 19107 Days

Day: 23.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,081,003 km

• M1: 94,546 km (0.035 R)
• M2: 1,318,256 km (0.105 R)
• M3: 1,797,568 km (0.091 R)
• M4: 2,192,207 km (0.114 R)
• M5: 7,221,837 km (0.073 R)
• M6: 9,534,919 km (0.114 R)
• M7: 11,240,186 km (0.114 R)
• M8: 13,718,873 km (0.041 R)
• M9: 17,216,172 km (0.028 R)
• M10: 19,077,618 km (0.116 R)
• M11: 23,722,333 km (0.086 R)
• M12: 24,364,706 km (0.077 R)
• M13: 27,634,167 km (0.088 R)
• M14: 40,831,692 km (0.108 R)
• M15: 48,090,480 km (0.062 R)
• M16: 49,291,750 km (0.097 R)
• M17: 51,219,618 km (0.12 R)
• M18: 58,266,426 km (0.111 R)
• M19: 61,417,256 km (0.083 R)
• M20: 79,124,109 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776.3

Radius: 7.8

Gravity: 12.76 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 10.74 AU - 15.82 AU

Year: 21435 Days

Day: 24.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,081,003 km

• M1: 98,136 km (0.101 R)
• M2: 519,254 km (0.113 R)
• M3: 822,489 km (0.086 R)
• M4: 1,160,281 km (0.116 R)
• M5: 3,654,975 km (0.1 R)
• M6: 4,334,598 km (0.086 R)
• M7: 5,368,320 km (0.029 R)
• M8: 6,157,748 km (0.07 R)
• M9: 6,740,880 km (0.061 R)
• M10: 7,811,103 km (0.072 R)
• M11: 8,333,349 km (0.079 R)
• M12: 12,451,480 km (0.11 R)
• M13: 14,670,315 km (0.117 R)
• M14: 15,303,862 km (0.088 R)
• M15: 17,226,943 km (0.106 R)
• M16: 19,970,269 km (0.116 R)
• M17: 21,445,453 km (0.113 R)
• M18: 23,954,509 km (0.117 R)
• M19: 24,721,796 km (0.076 R)
• M20: 26,652,955 km (0.105 R)
• M21: 30,049,575 km (0.099 R)
• M22: 31,589,685 km (0.119 R)
• M23: 32,645,247 km (0.112 R)
• M24: 34,965,959 km (0.107 R)
• M25: 37,103,264 km (0.088 R)
• M26: 37,540,838 km (0.119 R)
• M27: 40,239,434 km (0.069 R)
• M28: 41,479,301 km (0.102 R)
• M29: 46,693,834 km (0.03 R)
• M30: 47,033,571 km (0.076 R)
• M31: 49,457,804 km (0.119 R)
• M32: 56,648,226 km (0.105 R)
• M33: 60,390,865 km (0.109 R)
• M34: 68,146,019 km (0.036 R)
• M35: 70,797,043 km (0.075 R)
• M36: 72,374,702 km (0.105 R)
• M37: 75,834,302 km (0.056 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: 481 - 13,201 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit