🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.46 AU - 0.64 AU

Year: 150 Days

Day: 12.7 Hours

Environment

Temp: 203 °C

Axial Tilt: 21.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.81 AU - 1.25 AU

Year: 384 Days

Day: 46.2 Hours

Environment

Temp: 37 °C

Axial Tilt: 49.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 97,141,753 km

• M1: 387,010 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.11 AU - 2.41 AU

Year: 1247 Days

Day: 15.8 Hours

Environment

Temp: -85 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.8

Radius: 10.1

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.8 AU - 7.82 AU

Year: 5819 Days

Day: 6.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 97,141,753 km

• M1: 125,662 km (0.07 R)
• M2: 452,683 km (0.115 R)
• M3: 1,279,660 km (0.06 R)
• M4: 1,760,767 km (0.046 R)
• M5: 2,471,955 km (0.058 R)
• M6: 3,634,181 km (0.064 R)
• M7: 5,209,447 km (0.085 R)
• M8: 8,416,975 km (0.093 R)
• M9: 11,216,549 km (0.118 R)
• M10: 12,700,859 km (0.073 R)
• M11: 18,896,904 km (0.092 R)
• M12: 20,990,676 km (0.113 R)
• M13: 26,605,981 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.2

Radius: 3.2

Gravity: 86.74 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 10.97 AU - 15.37 AU

Year: 17545 Days

Day: 15.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 97,141,753 km

• M1: 41,139 km (0.097 R)
• M2: 440,117 km (0.064 R)
• M3: 805,585 km (0.085 R)
• M4: 1,970,952 km (0.074 R)
• M5: 2,132,966 km (0.1 R)
• M6: 2,922,544 km (0.1 R)
• M7: 3,526,620 km (0.104 R)
• M8: 3,704,941 km (0.086 R)
• M9: 4,582,482 km (0.091 R)
• M10: 5,315,811 km (0.095 R)
• M11: 8,817,149 km (0.091 R)
• M12: 14,262,063 km (0.119 R)
• M13: 14,562,455 km (0.097 R)
• M14: 15,332,136 km (0.113 R)
• M15: 15,806,661 km (0.116 R)
• M16: 19,682,442 km (0.099 R)
• M17: 23,724,577 km (0.103 R)
• M18: 24,896,227 km (0.092 R)
• M19: 29,481,552 km (0.081 R)
• M20: 33,267,874 km (0.09 R)
• M21: 33,795,954 km (0.051 R)
• M22: 36,660,604 km (0.083 R)
• M23: 39,535,426 km (0.072 R)
• M24: 40,576,029 km (0.067 R)
• M25: 41,178,759 km (0.098 R)
• M26: 42,556,705 km (0.087 R)
• M27: 48,039,915 km (0.114 R)
• M28: 55,624,378 km (0.077 R)
• M29: 58,255,954 km (0.115 R)
• M30: 64,580,054 km (0.027 R)
• M31: 68,118,493 km (0.116 R)
• M32: 71,346,216 km (0.075 R)
• M33: 74,899,764 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.5

Radius: 4

Gravity: 49.66 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 14.81 AU - 14.95 AU

Year: 21071 Days

Day: 23.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 97,141,753 km

• M1: 49,816 km (0.04 R)
• M2: 200,012 km (0.107 R)
• M3: 369,806 km (0.096 R)
• M4: 500,704 km (0.072 R)
• M5: 1,624,334 km (0.086 R)
• M6: 2,109,330 km (0.099 R)
• M7: 3,244,030 km (0.058 R)
• M8: 6,222,374 km (0.062 R)
• M9: 8,971,384 km (0.092 R)
• M10: 10,766,858 km (0.104 R)
• M11: 12,226,335 km (0.076 R)
• M12: 12,717,165 km (0.091 R)
• M13: 14,811,835 km (0.115 R)
• M14: 18,007,395 km (0.075 R)
• M15: 18,187,212 km (0.107 R)
• M16: 19,385,790 km (0.082 R)
• M17: 23,189,465 km (0.111 R)
• M18: 25,153,087 km (0.119 R)
• M19: 26,638,444 km (0.098 R)
• M20: 26,871,966 km (0.115 R)
• M21: 29,407,650 km (0.041 R)
• M22: 30,160,277 km (0.119 R)
• M23: 30,286,987 km (0.117 R)
• M24: 31,183,826 km (0.114 R)
• M25: 31,443,378 km (0.114 R)
• M26: 33,707,093 km (0.115 R)
• M27: 39,760,720 km (0.12 R)
• M28: 44,502,225 km (0.062 R)
• M29: 47,008,438 km (0.047 R)
• M30: 58,958,466 km (0.036 R)
• M31: 59,355,050 km (0.093 R)
• M32: 62,799,092 km (0.117 R)
• M33: 63,420,372 km (0.109 R)
• M34: 64,255,128 km (0.08 R)
• M35: 71,198,414 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.1

Radius: 4.4

Gravity: 37.09 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 14.85 AU - 20.13 AU

Year: 26851 Days

Day: 19.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 97,141,753 km

• M1: 54,902 km (0.119 R)
• M2: 469,438 km (0.04 R)
• M3: 679,474 km (0.049 R)
• M4: 1,183,768 km (0.054 R)
• M5: 1,559,259 km (0.059 R)
• M6: 1,967,511 km (0.086 R)
• M7: 3,652,881 km (0.1 R)
• M8: 4,551,515 km (0.039 R)
• M9: 4,778,156 km (0.119 R)
• M10: 5,717,631 km (0.103 R)
• M11: 9,205,505 km (0.057 R)
• M12: 9,507,094 km (0.049 R)
• M13: 11,595,929 km (0.029 R)
• M14: 16,653,385 km (0.058 R)
• M15: 30,404,570 km (0.117 R)
• M16: 33,845,022 km (0.069 R)
• M17: 37,079,777 km (0.092 R)
• M18: 40,675,511 km (0.077 R)
• M19: 43,985,514 km (0.088 R)
• M20: 55,776,070 km (0.072 R)
• M21: 68,133,602 km (0.092 R)
• M22: 80,658,385 km (0.031 R)
• M23: 84,274,614 km (0.066 R)
• M24: 86,388,881 km (0.109 R)
• M25: 88,538,153 km (0.096 R)
• M26: 93,503,905 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.1

Radius: 4.4

Gravity: 37.35 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 16.92 AU - 19.12 AU

Year: 28080 Days

Day: 18.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 97,141,753 km

• M1: 54,753 km (0.059 R)
• M2: 198,516 km (0.088 R)
• M3: 866,920 km (0.11 R)
• M4: 1,251,386 km (0.105 R)
• M5: 2,919,103 km (0.086 R)
• M6: 4,006,829 km (0.089 R)
• M7: 4,289,121 km (0.107 R)
• M8: 4,435,128 km (0.115 R)
• M9: 7,882,013 km (0.068 R)
• M10: 9,753,482 km (0.079 R)
• M11: 14,183,973 km (0.088 R)
• M12: 16,031,955 km (0.111 R)
• M13: 21,983,407 km (0.101 R)
• M14: 23,985,924 km (0.119 R)
• M15: 25,985,749 km (0.066 R)
• M16: 33,498,554 km (0.118 R)
• M17: 33,785,632 km (0.061 R)
• M18: 34,364,576 km (0.084 R)
• M19: 34,510,434 km (0.118 R)
• M20: 37,359,525 km (0.116 R)
• M21: 39,237,427 km (0.071 R)
• M22: 43,010,884 km (0.114 R)
• M23: 43,520,265 km (0.094 R)
• M24: 53,978,053 km (0.085 R)
• M25: 59,678,331 km (0.107 R)
• M26: 60,736,736 km (0.11 R)
• M27: 68,960,579 km (0.057 R)
• M28: 80,693,690 km (0.079 R)
• M29: 86,758,986 km (0.076 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 18,796 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit