🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.59 AU - 0.61 AU

Year: 164 Days

Day: 23.3 Hours

Environment

Temp: 233 °C

Axial Tilt: 2.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.66 AU - 0.88 AU

Year: 239 Days

Day: 28.5 Hours

Environment

Temp: 138 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.91 AU - 1.39 AU

Year: 435 Days

Day: 28.7 Hours

Environment

Temp: 27 °C

Axial Tilt: 47.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 3.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.7

Radius: 14.1

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.66 AU - 5.72 AU

Year: 4793 Days

Day: 14.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,986,581 km

• M1: 175,927 km (0.045 R)
• M2: 1,083,537 km (0.08 R)
• M3: 4,833,507 km (0.066 R)
• M4: 7,375,923 km (0.095 R)
• M5: 8,252,567 km (0.103 R)
• M6: 9,853,713 km (0.105 R)
• M7: 12,193,124 km (0.116 R)
• M8: 15,463,782 km (0.12 R)
• M9: 16,842,775 km (0.047 R)
• M10: 19,592,235 km (0.105 R)
• M11: 20,291,754 km (0.086 R)
• M12: 21,740,610 km (0.073 R)
• M13: 24,186,385 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156

Radius: 8.1

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.44 AU - 6.1 AU

Year: 4894 Days

Day: 6.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,986,581 km

• M1: 100,679 km (0.117 R)
• M2: 2,373,969 km (0.103 R)
• M3: 2,657,307 km (0.075 R)
• M4: 3,092,038 km (0.073 R)
• M5: 3,448,530 km (0.099 R)
• M6: 4,025,080 km (0.118 R)
• M7: 4,577,994 km (0.043 R)
• M8: 4,906,661 km (0.062 R)
• M9: 5,710,001 km (0.096 R)
• M10: 7,788,364 km (0.076 R)
• M11: 8,778,852 km (0.091 R)
• M12: 9,356,449 km (0.11 R)
• M13: 10,031,734 km (0.044 R)
• M14: 11,479,093 km (0.112 R)
• M15: 12,673,782 km (0.117 R)
• M16: 13,633,901 km (0.063 R)
• M17: 14,688,566 km (0.107 R)
• M18: 17,167,253 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.1

Radius: 11

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.95 AU - 6.69 AU

Year: 4958 Days

Day: 6.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,986,581 km

• M1: 138,528 km (0.079 R)
• M2: 602,281 km (0.084 R)
• M3: 1,362,837 km (0.103 R)
• M4: 1,707,959 km (0.114 R)
• M5: 2,910,726 km (0.072 R)
• M6: 3,285,618 km (0.116 R)
• M7: 3,880,120 km (0.095 R)
• M8: 5,261,357 km (0.119 R)
• M9: 8,931,142 km (0.045 R)
• M10: 11,993,560 km (0.03 R)
• M11: 13,715,731 km (0.051 R)
• M12: 14,402,086 km (0.113 R)
• M13: 17,064,330 km (0.101 R)
• M14: 18,292,080 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65

Radius: 11

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.24 AU - 9.94 AU

Year: 9677 Days

Day: 8.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,986,581 km

• M1: 138,079 km (0.102 R)
• M2: 846,425 km (0.119 R)
• M3: 1,898,247 km (0.071 R)
• M4: 2,273,588 km (0.117 R)
• M5: 2,906,537 km (0.028 R)
• M6: 4,198,315 km (0.061 R)
• M7: 5,527,342 km (0.088 R)
• M8: 6,644,090 km (0.059 R)
• M9: 7,333,138 km (0.05 R)
• M10: 11,557,333 km (0.106 R)
• M11: 12,332,848 km (0.057 R)
• M12: 14,472,397 km (0.053 R)
• M13: 16,152,381 km (0.04 R)
• M14: 17,564,735 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.8

Radius: 7.5

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 10.95 AU - 15.93 AU

Year: 17398 Days

Day: 20.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,986,581 km

• M1: 128,205 km (0.1 R)
• M2: 460,761 km (0.067 R)
• M3: 704,456 km (0.102 R)
• M4: 960,718 km (0.118 R)
• M5: 1,884,784 km (0.083 R)
• M6: 3,033,097 km (0.113 R)
• M7: 3,925,448 km (0.076 R)
• M8: 5,016,017 km (0.087 R)
• M9: 6,024,306 km (0.105 R)
• M10: 7,033,194 km (0.073 R)
• M11: 8,825,676 km (0.037 R)
• M12: 9,907,568 km (0.079 R)
• M13: 11,424,939 km (0.106 R)
• M14: 11,782,179 km (0.12 R)
• M15: 13,614,753 km (0.09 R)
• M16: 16,975,319 km (0.094 R)
• M17: 17,676,484 km (0.106 R)
• M18: 18,641,241 km (0.091 R)
• M19: 18,887,778 km (0.08 R)
• M20: 21,836,652 km (0.084 R)
• M21: 23,996,845 km (0.116 R)
• M22: 27,233,993 km (0.114 R)
• M23: 29,732,726 km (0.054 R)
• M24: 32,617,721 km (0.112 R)
• M25: 33,822,283 km (0.096 R)
• M26: 35,181,081 km (0.101 R)
• M27: 35,810,738 km (0.074 R)
• M28: 36,833,539 km (0.055 R)
• M29: 38,803,743 km (0.093 R)
• M30: 45,579,180 km (0.079 R)
• M31: 45,877,478 km (0.066 R)
• M32: 46,628,759 km (0.063 R)
• M33: 54,097,432 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.8

Radius: 7.7

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 14.34 AU - 18.4 AU

Year: 23387 Days

Day: 15.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,986,581 km

• M1: 95,743 km (0.062 R)
• M2: 657,632 km (0.114 R)
• M3: 1,043,146 km (0.089 R)
• M4: 1,365,230 km (0.057 R)
• M5: 1,669,811 km (0.082 R)
• M6: 2,525,661 km (0.063 R)
• M7: 2,891,876 km (0.101 R)
• M8: 3,240,888 km (0.071 R)
• M9: 3,759,544 km (0.056 R)
• M10: 4,524,887 km (0.071 R)
• M11: 7,129,087 km (0.101 R)
• M12: 7,957,560 km (0.104 R)
• M13: 9,318,451 km (0.025 R)
• M14: 9,695,139 km (0.076 R)
• M15: 10,769,252 km (0.108 R)
• M16: 11,548,357 km (0.093 R)
• M17: 12,046,219 km (0.112 R)
• M18: 12,364,713 km (0.071 R)
• M19: 12,951,884 km (0.116 R)
• M20: 15,413,667 km (0.056 R)
• M21: 27,170,115 km (0.06 R)
• M22: 27,607,988 km (0.102 R)
• M23: 31,762,919 km (0.071 R)
• M24: 33,736,414 km (0.06 R)
• M25: 39,863,345 km (0.114 R)
• M26: 43,485,259 km (0.09 R)
• M27: 48,915,961 km (0.054 R)
• M28: 55,305,435 km (0.085 R)
• M29: 58,699,362 km (0.119 R)
• M30: 61,474,851 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.6

Radius: 6.6

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 14.56 AU - 20.2 AU

Year: 25584 Days

Day: 17.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,986,581 km

• M1: 83,625 km (0.118 R)
• M2: 302,337 km (0.113 R)
• M3: 569,070 km (0.064 R)
• M4: 857,046 km (0.091 R)
• M5: 1,145,172 km (0.099 R)
• M6: 1,357,301 km (0.084 R)
• M7: 1,579,006 km (0.077 R)
• M8: 2,578,469 km (0.094 R)
• M9: 2,870,933 km (0.087 R)
• M10: 4,785,785 km (0.046 R)
• M11: 5,499,667 km (0.098 R)
• M12: 7,764,578 km (0.109 R)
• M13: 13,443,613 km (0.097 R)
• M14: 19,129,229 km (0.061 R)
• M15: 22,698,186 km (0.113 R)
• M16: 23,005,609 km (0.106 R)
• M17: 23,212,054 km (0.111 R)
• M18: 29,510,125 km (0.079 R)
• M19: 33,443,053 km (0.079 R)
• M20: 35,054,970 km (0.103 R)
• M21: 37,999,056 km (0.095 R)
• M22: 39,901,791 km (0.106 R)
• M23: 44,055,077 km (0.043 R)
• M24: 44,854,528 km (0.109 R)
• M25: 48,827,249 km (0.039 R)
• M26: 49,511,360 km (0.076 R)
• M27: 51,602,140 km (0.069 R)
• M28: 53,388,787 km (0.094 R)
• M29: 55,958,729 km (0.09 R)
• M30: 59,966,755 km (0.112 R)
• M31: 64,571,228 km (0.101 R)
• M32: 66,854,391 km (0.118 R)
• M33: 69,621,503 km (0.046 R)
• M34: 71,361,775 km (0.105 R)
• M35: 76,986,655 km (0.114 R)

Kuiper Belt

Range: 31.1 - 51.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 18,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit