🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.48 AU - 0.58 AU

Year: 148 Days

Day: 15.4 Hours

Environment

Temp: 189 °C

Axial Tilt: 23.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,447,991 km

• M1: 82,129 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.73 AU - 1.21 AU

Year: 366 Days

Day: 38.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 19.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.13 AU - 1.15 AU

Year: 466 Days

Day: 47.1 Hours

Environment

Temp: 7 °C

Axial Tilt: 31.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.72 AU - 2.46 AU

Year: 1157 Days

Day: 42 Hours

Environment

Temp: -81 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.3

Radius: 12.9

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.73 AU - 5.19 AU

Year: 3606 Days

Day: 10.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,447,991 km

• M1: 160,668 km (0.084 R)
• M2: 687,851 km (0.09 R)
• M3: 1,330,673 km (0.112 R)
• M4: 1,802,206 km (0.096 R)
• M5: 2,476,742 km (0.093 R)
• M6: 3,075,433 km (0.114 R)
• M7: 4,541,791 km (0.031 R)
• M8: 6,052,131 km (0.113 R)
• M9: 6,552,536 km (0.09 R)
• M10: 7,176,808 km (0.116 R)
• M11: 8,012,612 km (0.098 R)
• M12: 8,763,892 km (0.083 R)
• M13: 9,958,281 km (0.078 R)
• M14: 13,639,287 km (0.089 R)
• M15: 19,187,273 km (0.066 R)
• M16: 20,076,932 km (0.07 R)
• M17: 22,561,004 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.1

Radius: 6.2

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 14.32 AU - 19.06 AU

Year: 26107 Days

Day: 17 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,447,991 km

• M1: 77,043 km (0.099 R)
• M2: 284,386 km (0.093 R)
• M3: 605,123 km (0.111 R)
• M4: 1,029,084 km (0.057 R)
• M5: 1,415,794 km (0.076 R)
• M6: 2,122,943 km (0.081 R)
• M7: 2,773,993 km (0.118 R)
• M8: 3,043,419 km (0.049 R)
• M9: 4,080,581 km (0.11 R)
• M10: 5,080,194 km (0.1 R)
• M11: 5,753,085 km (0.079 R)
• M12: 6,030,141 km (0.057 R)
• M13: 6,827,647 km (0.108 R)
• M14: 7,048,752 km (0.097 R)
• M15: 7,274,496 km (0.12 R)
• M16: 8,177,169 km (0.042 R)
• M17: 8,477,113 km (0.052 R)
• M18: 10,088,581 km (0.111 R)
• M19: 11,086,997 km (0.077 R)
• M20: 13,142,472 km (0.072 R)
• M21: 17,246,091 km (0.11 R)
• M22: 21,651,898 km (0.104 R)
• M23: 22,810,983 km (0.095 R)
• M24: 24,112,634 km (0.117 R)
• M25: 29,000,445 km (0.119 R)
• M26: 29,347,961 km (0.09 R)
• M27: 29,698,319 km (0.072 R)
• M28: 31,127,427 km (0.109 R)
• M29: 40,677,606 km (0.072 R)
• M30: 40,967,526 km (0.12 R)
• M31: 41,993,469 km (0.091 R)
• M32: 46,902,074 km (0.09 R)
• M33: 54,081,425 km (0.069 R)
• M34: 55,137,886 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.8

Radius: 6.7

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 16.69 AU - 19.21 AU

Year: 29118 Days

Day: 24 Hours

Environment

Temp: -211 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,447,991 km

• M1: 83,326 km (0.055 R)
• M2: 718,519 km (0.094 R)
• M3: 1,818,811 km (0.095 R)
• M4: 2,183,830 km (0.054 R)
• M5: 2,899,955 km (0.084 R)
• M6: 3,857,680 km (0.063 R)
• M7: 4,532,217 km (0.082 R)
• M8: 4,897,685 km (0.1 R)
• M9: 6,378,554 km (0.06 R)
• M10: 6,697,796 km (0.101 R)
• M11: 7,771,011 km (0.117 R)
• M12: 10,755,937 km (0.087 R)
• M13: 11,013,096 km (0.097 R)
• M14: 12,643,264 km (0.114 R)
• M15: 16,374,235 km (0.091 R)
• M16: 17,764,897 km (0.106 R)
• M17: 19,707,275 km (0.098 R)
• M18: 28,773,056 km (0.1 R)
• M19: 29,394,037 km (0.045 R)
• M20: 30,662,776 km (0.095 R)
• M21: 33,308,863 km (0.107 R)
• M22: 36,391,178 km (0.119 R)
• M23: 41,363,213 km (0.091 R)
• M24: 46,259,701 km (0.085 R)
• M25: 52,260,371 km (0.05 R)
• M26: 54,119,274 km (0.091 R)
• M27: 54,685,352 km (0.076 R)
• M28: 61,790,353 km (0.095 R)
• M29: 68,601,395 km (0.086 R)
• M30: 73,794,685 km (0.068 R)
• M31: 75,425,750 km (0.065 R)
• M32: 77,080,752 km (0.1 R)
• M33: 78,037,131 km (0.071 R)
• M34: 80,218,118 km (0.069 R)
• M35: 80,462,860 km (0.09 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 19,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit