🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.15 AU - 1.71 AU

Year: 651 Days

Day: 23.6 Hours

Environment

Temp: -51 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.97 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.7

Radius: 10.2

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.43 AU - 5.59 AU

Year: 3647 Days

Day: 14.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,378,917 km

• M1: 126,859 km (0.111 R)
• M2: 557,701 km (0.047 R)
• M3: 1,603,839 km (0.036 R)
• M4: 2,545,857 km (0.068 R)
• M5: 2,879,011 km (0.06 R)
• M6: 3,885,505 km (0.05 R)
• M7: 6,487,162 km (0.095 R)
• M8: 6,953,907 km (0.102 R)
• M9: 9,049,026 km (0.047 R)
• M10: 10,448,962 km (0.105 R)
• M11: 10,788,400 km (0.117 R)
• M12: 11,399,956 km (0.078 R)
• M13: 13,030,274 km (0.056 R)
• M14: 13,573,314 km (0.112 R)
• M15: 14,182,925 km (0.115 R)
• M16: 14,970,409 km (0.098 R)
• M17: 16,632,590 km (0.11 R)
• M18: 19,288,102 km (0.072 R)
• M19: 19,799,577 km (0.092 R)
• M20: 20,385,851 km (0.102 R)
• M21: 21,388,606 km (0.093 R)
• M22: 22,918,244 km (0.097 R)
• M23: 24,743,787 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.3

Radius: 9.2

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.97 AU - 5.63 AU

Year: 4005 Days

Day: 10.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,378,917 km

• M1: 114,442 km (0.086 R)
• M2: 440,416 km (0.051 R)
• M3: 915,539 km (0.117 R)
• M4: 1,237,025 km (0.119 R)
• M5: 1,538,165 km (0.091 R)
• M6: 1,901,090 km (0.083 R)
• M7: 2,210,458 km (0.057 R)
• M8: 2,834,281 km (0.058 R)
• M9: 3,823,273 km (0.057 R)
• M10: 5,050,873 km (0.091 R)
• M11: 6,494,642 km (0.071 R)
• M12: 7,327,154 km (0.081 R)
• M13: 8,603,074 km (0.054 R)
• M14: 10,806,053 km (0.064 R)
• M15: 11,758,692 km (0.109 R)
• M16: 13,641,082 km (0.11 R)
• M17: 14,753,043 km (0.12 R)
• M18: 16,505,881 km (0.113 R)
• M19: 16,937,621 km (0.092 R)
• M20: 19,270,001 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.1

Radius: 14.2

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.23 AU - 5.75 AU

Year: 4898 Days

Day: 6.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,378,917 km

• M1: 176,825 km (0.108 R)
• M2: 762,800 km (0.087 R)
• M3: 1,283,251 km (0.037 R)
• M4: 1,774,680 km (0.109 R)
• M5: 2,345,844 km (0.117 R)
• M6: 2,799,724 km (0.038 R)
• M7: 3,414,721 km (0.114 R)
• M8: 3,866,507 km (0.095 R)
• M9: 4,865,820 km (0.103 R)
• M10: 6,153,858 km (0.115 R)
• M11: 6,663,239 km (0.107 R)
• M12: 7,132,078 km (0.087 R)
• M13: 8,211,427 km (0.059 R)
• M14: 9,438,429 km (0.065 R)
• M15: 10,829,839 km (0.111 R)
• M16: 13,168,053 km (0.114 R)
• M17: 13,963,166 km (0.108 R)
• M18: 15,073,033 km (0.1 R)
• M19: 16,785,629 km (0.068 R)
• M20: 18,233,736 km (0.11 R)
• M21: 18,756,431 km (0.053 R)
• M22: 22,775,677 km (0.039 R)
• M23: 23,459,040 km (0.039 R)
• M24: 24,470,023 km (0.087 R)
• M25: 26,578,904 km (0.118 R)
• M26: 29,875,742 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.6

Radius: 8.6

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.83 AU - 7.95 AU

Year: 6887 Days

Day: 9.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,378,917 km

• M1: 106,962 km (0.072 R)
• M2: 412,741 km (0.118 R)
• M3: 1,174,493 km (0.088 R)
• M4: 1,804,599 km (0.116 R)
• M5: 3,008,264 km (0.055 R)
• M6: 3,815,344 km (0.037 R)
• M7: 4,155,978 km (0.085 R)
• M8: 4,677,776 km (0.12 R)
• M9: 5,331,219 km (0.062 R)
• M10: 7,322,217 km (0.099 R)
• M11: 8,647,655 km (0.032 R)
• M12: 9,151,500 km (0.096 R)
• M13: 10,403,634 km (0.075 R)
• M14: 10,781,369 km (0.119 R)
• M15: 12,228,429 km (0.111 R)
• M16: 15,810,101 km (0.066 R)
• M17: 16,309,908 km (0.105 R)
• M18: 16,820,186 km (0.117 R)
• M19: 17,738,867 km (0.032 R)
• M20: 18,074,864 km (0.095 R)
• M21: 18,552,530 km (0.079 R)
• M22: 19,819,324 km (0.113 R)
• M23: 21,218,064 km (0.061 R)
• M24: 21,980,116 km (0.086 R)
• M25: 23,558,822 km (0.044 R)
• M26: 25,381,074 km (0.107 R)
• M27: 26,676,292 km (0.117 R)
• M28: 28,746,876 km (0.099 R)
• M29: 29,774,015 km (0.073 R)
• M30: 31,409,419 km (0.078 R)
• M31: 35,598,309 km (0.029 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.4

Radius: 6.8

Gravity: 18.69 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 13.21 AU - 13.95 AU

Year: 19057 Days

Day: 17.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,378,917 km

• M1: 85,720 km (0.104 R)
• M2: 665,262 km (0.042 R)
• M3: 919,877 km (0.076 R)
• M4: 1,498,671 km (0.053 R)
• M5: 2,431,115 km (0.066 R)
• M6: 3,465,435 km (0.111 R)
• M7: 3,764,331 km (0.109 R)
• M8: 4,312,308 km (0.076 R)
• M9: 4,766,188 km (0.077 R)
• M10: 5,060,896 km (0.036 R)
• M11: 5,328,826 km (0.118 R)
• M12: 6,276,528 km (0.109 R)
• M13: 7,188,028 km (0.083 R)
• M14: 10,884,741 km (0.112 R)
• M15: 16,088,802 km (0.04 R)
• M16: 16,669,242 km (0.088 R)
• M17: 20,352,641 km (0.093 R)
• M18: 26,668,663 km (0.079 R)
• M19: 37,537,247 km (0.048 R)
• M20: 53,547,959 km (0.105 R)
• M21: 60,612,569 km (0.105 R)
• M22: 63,235,020 km (0.119 R)
• M23: 66,989,777 km (0.084 R)
• M24: 70,010,906 km (0.088 R)
• M25: 73,121,494 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.8

Radius: 5.4

Gravity: 14.26 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 14.09 AU - 14.81 AU

Year: 20917 Days

Day: 18.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,378,917 km

• M1: 67,169 km (0.112 R)
• M2: 249,080 km (0.051 R)
• M3: 638,484 km (0.102 R)
• M4: 1,140,983 km (0.115 R)
• M5: 2,100,504 km (0.117 R)
• M6: 2,537,928 km (0.079 R)
• M7: 2,934,661 km (0.113 R)
• M8: 3,940,558 km (0.118 R)
• M9: 5,157,686 km (0.07 R)
• M10: 5,487,848 km (0.114 R)
• M11: 8,658,126 km (0.084 R)
• M12: 9,391,156 km (0.103 R)
• M13: 13,342,933 km (0.039 R)
• M14: 13,686,260 km (0.102 R)
• M15: 14,319,059 km (0.094 R)
• M16: 15,267,211 km (0.1 R)
• M17: 16,648,149 km (0.044 R)
• M18: 24,407,641 km (0.058 R)
• M19: 25,546,828 km (0.102 R)
• M20: 25,757,761 km (0.086 R)
• M21: 30,340,692 km (0.099 R)
• M22: 38,120,529 km (0.096 R)
• M23: 39,793,034 km (0.103 R)
• M24: 40,218,640 km (0.09 R)
• M25: 41,368,449 km (0.081 R)
• M26: 45,102,860 km (0.087 R)
• M27: 48,408,375 km (0.109 R)
• M28: 48,893,521 km (0.078 R)
• M29: 49,708,979 km (0.05 R)
• M30: 51,703,268 km (0.114 R)
• M31: 52,890,926 km (0.077 R)
• M32: 64,020,259 km (0.055 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 18,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit