🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.58 AU - 0.84 AU

Year: 219 Days

Day: 33.1 Hours

Environment

Temp: 110 °C

Axial Tilt: 0.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.15 AU - 1.39 AU

Year: 523 Days

Day: 27.3 Hours

Environment

Temp: -0 °C

Axial Tilt: 33.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 59,160,680 km

• M1: 42,486 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.55 AU - 2.49 AU

Year: 1049 Days

Day: 43.4 Hours

Environment

Temp: -60 °C

Axial Tilt: 149.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.5

Radius: 12.7

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.82 AU - 11.16 AU

Year: 10678 Days

Day: 9.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,160,680 km

• M1: 157,975 km (0.027 R)
• M2: 612,005 km (0.118 R)
• M3: 1,194,689 km (0.106 R)
• M4: 2,380,701 km (0.051 R)
• M5: 3,350,544 km (0.073 R)
• M6: 4,446,198 km (0.059 R)
• M7: 4,979,066 km (0.05 R)
• M8: 5,484,408 km (0.07 R)
• M9: 7,043,068 km (0.115 R)
• M10: 8,592,602 km (0.03 R)
• M11: 11,072,636 km (0.091 R)
• M12: 11,996,104 km (0.113 R)
• M13: 12,476,762 km (0.063 R)
• M14: 14,664,930 km (0.078 R)
• M15: 20,039,233 km (0.113 R)
• M16: 22,387,770 km (0.079 R)
• M17: 24,817,688 km (0.1 R)
• M18: 26,196,382 km (0.091 R)
• M19: 27,006,904 km (0.064 R)
• M20: 27,834,030 km (0.086 R)
• M21: 30,527,989 km (0.039 R)
• M22: 31,425,576 km (0.097 R)
• M23: 35,437,641 km (0.088 R)
• M24: 38,467,297 km (0.111 R)
• M25: 39,514,333 km (0.081 R)
• M26: 49,042,670 km (0.099 R)
• M27: 54,909,300 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.9

Radius: 14.9

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 8.34 AU - 13.34 AU

Year: 13036 Days

Day: 14.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,160,680 km

• M1: 185,352 km (0.103 R)
• M2: 705,952 km (0.118 R)
• M3: 2,629,482 km (0.1 R)
• M4: 3,743,388 km (0.082 R)
• M5: 6,733,849 km (0.087 R)
• M6: 7,382,805 km (0.111 R)
• M7: 18,698,986 km (0.037 R)
• M8: 19,739,140 km (0.045 R)
• M9: 25,238,058 km (0.064 R)
• M10: 28,649,937 km (0.111 R)
• M11: 30,248,839 km (0.103 R)
• M12: 31,347,187 km (0.117 R)
• M13: 41,648,346 km (0.107 R)
• M14: 43,007,742 km (0.098 R)
• M15: 48,742,128 km (0.089 R)

Asteroid Belt

Center: 11.71 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 12.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.6

Radius: 4.7

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 11.55 AU - 13.59 AU

Year: 16278 Days

Day: 19 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,160,680 km

• M1: 60,138 km (0.094 R)
• M2: 537,056 km (0.087 R)
• M3: 804,986 km (0.118 R)
• M4: 2,901,152 km (0.09 R)
• M5: 3,187,332 km (0.088 R)
• M6: 3,537,092 km (0.061 R)
• M7: 3,960,604 km (0.031 R)
• M8: 4,993,577 km (0.119 R)
• M9: 9,064,135 km (0.081 R)
• M10: 12,928,398 km (0.081 R)
• M11: 14,388,174 km (0.068 R)
• M12: 22,800,361 km (0.105 R)
• M13: 29,832,658 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.4

Radius: 6.1

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 13.82 AU - 18.84 AU

Year: 24103 Days

Day: 17.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,160,680 km

• M1: 75,846 km (0.094 R)
• M2: 415,284 km (0.115 R)
• M3: 686,056 km (0.09 R)
• M4: 991,535 km (0.026 R)
• M5: 1,260,960 km (0.075 R)
• M6: 1,674,299 km (0.107 R)
• M7: 1,895,106 km (0.102 R)
• M8: 2,416,754 km (0.086 R)
• M9: 2,861,508 km (0.084 R)
• M10: 3,438,806 km (0.04 R)
• M11: 3,684,745 km (0.061 R)
• M12: 4,398,776 km (0.12 R)
• M13: 4,855,648 km (0.097 R)
• M14: 5,379,839 km (0.072 R)
• M15: 6,255,884 km (0.107 R)
• M16: 6,791,145 km (0.075 R)
• M17: 7,048,304 km (0.08 R)
• M18: 7,952,772 km (0.101 R)
• M19: 8,238,654 km (0.058 R)
• M20: 9,557,210 km (0.08 R)
• M21: 10,835,823 km (0.085 R)
• M22: 12,350,651 km (0.099 R)
• M23: 14,278,518 km (0.102 R)
• M24: 23,803,714 km (0.064 R)
• M25: 24,900,266 km (0.038 R)
• M26: 27,733,650 km (0.089 R)
• M27: 29,966,099 km (0.102 R)
• M28: 31,716,993 km (0.084 R)
• M29: 39,541,859 km (0.12 R)
• M30: 40,235,095 km (0.046 R)
• M31: 44,118,955 km (0.1 R)
• M32: 44,565,206 km (0.072 R)
• M33: 46,996,919 km (0.11 R)
• M34: 57,786,815 km (0.069 R)
• M35: 59,762,255 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137.9

Radius: 5.2

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 17.66 AU - 20.6 AU

Year: 30561 Days

Day: 15.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,160,680 km

• M1: 66,421 km (0.047 R)
• M2: 256,261 km (0.069 R)
• M3: 470,037 km (0.109 R)
• M4: 851,361 km (0.073 R)
• M5: 1,139,637 km (0.074 R)
• M6: 1,506,002 km (0.086 R)
• M7: 3,281,878 km (0.057 R)
• M8: 5,930,060 km (0.108 R)
• M9: 10,058,512 km (0.113 R)
• M10: 11,182,590 km (0.066 R)
• M11: 11,476,101 km (0.05 R)
• M12: 12,638,926 km (0.059 R)
• M13: 14,285,699 km (0.091 R)
• M14: 14,771,144 km (0.075 R)
• M15: 15,483,828 km (0.116 R)
• M16: 16,144,602 km (0.115 R)
• M17: 17,998,269 km (0.099 R)
• M18: 18,728,457 km (0.109 R)
• M19: 25,296,102 km (0.1 R)
• M20: 25,700,465 km (0.077 R)
• M21: 27,254,787 km (0.044 R)
• M22: 27,786,458 km (0.086 R)
• M23: 28,001,131 km (0.119 R)
• M24: 34,222,757 km (0.101 R)
• M25: 35,216,386 km (0.079 R)
• M26: 39,113,859 km (0.094 R)
• M27: 42,716,326 km (0.088 R)
• M28: 44,451,063 km (0.101 R)
• M29: 46,081,978 km (0.106 R)
• M30: 52,022,959 km (0.106 R)
• M31: 56,541,114 km (0.117 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: 343 - 18,392 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit