🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.57 AU - 0.57 AU

Year: 166 Days

Day: 22.5 Hours

Environment

Temp: 159 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.84 AU - 0.86 AU

Year: 302 Days

Day: 15.4 Hours

Environment

Temp: 42 °C

Axial Tilt: 19.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.33 AU - 1.89 AU

Year: 787 Days

Day: 20.6 Hours

Environment

Temp: -59 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.2

Radius: 8.8

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.44 AU - 5.9 AU

Year: 4526 Days

Day: 11.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 114,433,720 km

• M1: 109,506 km (0.061 R)
• M2: 660,475 km (0.077 R)
• M3: 973,583 km (0.12 R)
• M4: 1,928,765 km (0.102 R)
• M5: 2,952,763 km (0.107 R)
• M6: 4,256,209 km (0.091 R)
• M7: 5,820,255 km (0.085 R)
• M8: 6,356,114 km (0.026 R)
• M9: 7,088,546 km (0.115 R)
• M10: 7,595,682 km (0.076 R)
• M11: 10,077,810 km (0.111 R)
• M12: 13,256,167 km (0.087 R)
• M13: 16,809,415 km (0.115 R)
• M14: 17,106,666 km (0.097 R)
• M15: 20,007,369 km (0.045 R)
• M16: 23,294,184 km (0.096 R)
• M17: 25,181,361 km (0.026 R)
• M18: 25,727,543 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.5

Radius: 14.9

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.3 AU - 6.98 AU

Year: 5157 Days

Day: 12 Hours

Environment

Temp: -155 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 114,433,720 km

• M1: 185,651 km (0.103 R)
• M2: 1,458,280 km (0.07 R)
• M3: 1,941,481 km (0.089 R)
• M4: 3,710,775 km (0.101 R)
• M5: 5,463,015 km (0.104 R)
• M6: 6,213,248 km (0.104 R)
• M7: 8,058,538 km (0.092 R)
• M8: 13,830,174 km (0.062 R)
• M9: 14,750,799 km (0.105 R)
• M10: 16,041,679 km (0.092 R)
• M11: 18,237,776 km (0.1 R)
• M12: 19,660,751 km (0.11 R)
• M13: 24,300,828 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.2

Radius: 6.4

Gravity: 24.35 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 15.89 AU - 18.31 AU

Year: 27225 Days

Day: 20.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 114,433,720 km

• M1: 79,586 km (0.099 R)
• M2: 686,654 km (0.045 R)
• M3: 1,237,623 km (0.097 R)
• M4: 1,655,151 km (0.07 R)
• M5: 1,855,313 km (0.061 R)
• M6: 2,280,769 km (0.108 R)
• M7: 2,529,700 km (0.084 R)
• M8: 2,965,927 km (0.094 R)
• M9: 3,202,292 km (0.071 R)
• M10: 5,268,687 km (0.113 R)
• M11: 11,279,829 km (0.042 R)
• M12: 12,684,553 km (0.115 R)
• M13: 14,202,074 km (0.118 R)
• M14: 15,658,858 km (0.085 R)
• M15: 15,926,040 km (0.116 R)
• M16: 18,369,571 km (0.099 R)
• M17: 19,169,022 km (0.067 R)
• M18: 20,623,413 km (0.093 R)
• M19: 25,182,109 km (0.103 R)
• M20: 27,051,633 km (0.12 R)
• M21: 28,745,081 km (0.096 R)
• M22: 33,505,884 km (0.109 R)
• M23: 49,728,427 km (0.058 R)
• M24: 50,305,725 km (0.107 R)
• M25: 53,460,445 km (0.118 R)
• M26: 57,164,338 km (0.033 R)
• M27: 64,164,771 km (0.088 R)
• M28: 77,493,791 km (0.12 R)
• M29: 79,574,249 km (0.094 R)
• M30: 91,110,339 km (0.112 R)
• M31: 96,975,174 km (0.114 R)
• M32: 100,305,672 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.7

Radius: 4.7

Gravity: 29.59 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 15.93 AU - 19.15 AU

Year: 28282 Days

Day: 20 Hours

Environment

Temp: -211 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 114,433,720 km

• M1: 64,477 km (0.09 R)
• M2: 317,297 km (0.091 R)
• M3: 513,719 km (0.11 R)
• M4: 957,127 km (0.117 R)
• M5: 1,118,543 km (0.085 R)
• M6: 1,428,660 km (0.109 R)
• M7: 2,335,073 km (0.081 R)
• M8: 3,668,289 km (0.061 R)
• M9: 4,913,991 km (0.116 R)
• M10: 6,094,916 km (0.067 R)
• M11: 6,370,625 km (0.113 R)
• M12: 6,996,543 km (0.094 R)
• M13: 7,350,192 km (0.106 R)
• M14: 8,203,050 km (0.115 R)
• M15: 9,060,694 km (0.118 R)
• M16: 11,019,678 km (0.091 R)
• M17: 12,205,690 km (0.042 R)
• M18: 12,643,862 km (0.091 R)
• M19: 13,244,199 km (0.04 R)
• M20: 17,433,986 km (0.075 R)
• M21: 18,177,338 km (0.087 R)
• M22: 20,127,496 km (0.117 R)
• M23: 20,945,048 km (0.117 R)
• M24: 22,755,781 km (0.111 R)
• M25: 28,809,109 km (0.067 R)
• M26: 29,324,773 km (0.097 R)
• M27: 30,774,676 km (0.079 R)
• M28: 34,390,307 km (0.093 R)
• M29: 35,557,319 km (0.052 R)
• M30: 36,150,625 km (0.098 R)
• M31: 37,052,849 km (0.079 R)
• M32: 37,356,832 km (0.063 R)
• M33: 54,380,023 km (0.114 R)
• M34: 54,576,146 km (0.067 R)
• M35: 55,962,170 km (0.119 R)
• M36: 64,554,024 km (0.083 R)
• M37: 65,215,247 km (0.093 R)
• M38: 67,000,249 km (0.104 R)
• M39: 72,313,068 km (0.117 R)
• M40: 82,209,415 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.9

Radius: 7.8

Gravity: 16.27 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 16.04 AU - 21 AU

Year: 30685 Days

Day: 16.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 114,433,720 km

• M1: 97,089 km (0.078 R)
• M2: 731,085 km (0.103 R)
• M3: 1,155,943 km (0.097 R)
• M4: 1,862,194 km (0.11 R)
• M5: 2,224,820 km (0.108 R)
• M6: 3,309,254 km (0.039 R)
• M7: 4,094,943 km (0.105 R)
• M8: 4,357,188 km (0.11 R)
• M9: 5,520,909 km (0.094 R)
• M10: 8,507,631 km (0.095 R)
• M11: 8,998,611 km (0.086 R)
• M12: 9,508,441 km (0.073 R)
• M13: 11,967,830 km (0.082 R)
• M14: 15,623,553 km (0.108 R)
• M15: 24,547,515 km (0.063 R)
• M16: 24,917,470 km (0.094 R)
• M17: 34,331,515 km (0.098 R)
• M18: 42,773,023 km (0.081 R)
• M19: 46,994,825 km (0.073 R)
• M20: 50,090,154 km (0.044 R)
• M21: 51,687,710 km (0.064 R)
• M22: 57,981,292 km (0.059 R)
• M23: 59,298,502 km (0.066 R)
• M24: 61,311,491 km (0.116 R)
• M25: 61,764,922 km (0.084 R)
• M26: 62,449,182 km (0.091 R)
• M27: 63,833,112 km (0.095 R)
• M28: 64,298,810 km (0.065 R)
• M29: 68,107,123 km (0.075 R)
• M30: 79,888,554 km (0.054 R)
• M31: 99,682,447 km (0.093 R)
• M32: 101,888,417 km (0.089 R)
• M33: 104,772,066 km (0.114 R)
• M34: 108,039,582 km (0.072 R)
• M35: 113,407,752 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 11,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit