🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.75 AU - 1.15 AU

Year: 324 Days

Day: 45.3 Hours

Environment

Temp: 168 °C

Axial Tilt: 39.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.89 AU - 1.03 AU

Year: 329 Days

Day: 19.9 Hours

Environment

Temp: 134 °C

Axial Tilt: 35.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 4.13 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.6

Radius: 11.4

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.59 AU - 7.99 AU

Year: 6886 Days

Day: 8.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,241,660 km

• M1: 141,819 km (0.055 R)
• M2: 582,983 km (0.115 R)
• M3: 943,364 km (0.107 R)
• M4: 1,945,670 km (0.07 R)
• M5: 3,860,822 km (0.11 R)
• M6: 4,771,574 km (0.109 R)
• M7: 7,462,091 km (0.117 R)
• M8: 7,926,742 km (0.067 R)
• M9: 9,482,411 km (0.076 R)
• M10: 11,232,556 km (0.076 R)
• M11: 11,792,052 km (0.104 R)
• M12: 12,157,819 km (0.094 R)
• M13: 14,395,055 km (0.048 R)
• M14: 14,873,320 km (0.12 R)
• M15: 19,019,873 km (0.052 R)
• M16: 21,862,233 km (0.066 R)
• M17: 26,018,211 km (0.104 R)
• M18: 27,361,002 km (0.101 R)
• M19: 33,300,187 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.9

Radius: 14.4

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.07 AU - 9.25 AU

Year: 7417 Days

Day: 10 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,241,660 km

• M1: 179,069 km (0.067 R)
• M2: 818,600 km (0.119 R)
• M3: 1,334,114 km (0.084 R)
• M4: 1,992,793 km (0.117 R)
• M5: 2,655,063 km (0.105 R)
• M6: 4,724,450 km (0.042 R)
• M7: 5,251,633 km (0.072 R)
• M8: 6,731,605 km (0.025 R)
• M9: 7,512,805 km (0.115 R)
• M10: 9,715,484 km (0.09 R)
• M11: 10,502,070 km (0.099 R)
• M12: 14,166,918 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.3

Radius: 13.1

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.89 AU - 8.71 AU

Year: 7621 Days

Day: 13.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 59.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,241,660 km

• M1: 169,195 km (0.106 R)
• M2: 698,772 km (0.108 R)
• M3: 1,446,911 km (0.099 R)
• M4: 1,884,933 km (0.067 R)
• M5: 2,927,032 km (0.092 R)
• M6: 4,580,388 km (0.104 R)
• M7: 6,521,270 km (0.039 R)
• M8: 7,371,435 km (0.057 R)
• M9: 8,153,682 km (0.036 R)
• M10: 9,170,798 km (0.119 R)
• M11: 9,947,810 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.3

Radius: 14.3

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 8.94 AU - 14.5 AU

Year: 14037 Days

Day: 11.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,241,660 km

• M1: 220,507 km (0.089 R)
• M2: 780,003 km (0.116 R)
• M3: 1,468,602 km (0.063 R)
• M4: 2,001,620 km (0.066 R)
• M5: 4,243,643 km (0.085 R)
• M6: 5,687,262 km (0.099 R)
• M7: 9,565,288 km (0.05 R)
• M8: 10,680,390 km (0.079 R)
• M9: 11,928,336 km (0.072 R)
• M10: 17,655,391 km (0.113 R)
• M11: 20,621,169 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.6

Radius: 7.6

Gravity: 14.59 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 14.01 AU - 14.03 AU

Year: 18365 Days

Day: 17.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 86,241,660 km

• M1: 96,191 km (0.098 R)
• M2: 349,012 km (0.081 R)
• M3: 737,966 km (0.11 R)
• M4: 1,157,888 km (0.119 R)
• M5: 1,659,639 km (0.104 R)
• M6: 2,089,583 km (0.105 R)
• M7: 3,336,481 km (0.079 R)
• M8: 3,713,618 km (0.059 R)
• M9: 4,944,359 km (0.105 R)
• M10: 6,514,239 km (0.111 R)
• M11: 7,631,137 km (0.081 R)
• M12: 8,132,290 km (0.109 R)
• M13: 9,710,398 km (0.047 R)
• M14: 11,547,160 km (0.088 R)
• M15: 12,754,116 km (0.114 R)
• M16: 15,974,061 km (0.081 R)
• M17: 16,217,157 km (0.08 R)
• M18: 18,339,652 km (0.092 R)
• M19: 20,450,029 km (0.058 R)
• M20: 20,736,658 km (0.108 R)
• M21: 22,412,304 km (0.101 R)
• M22: 23,127,681 km (0.093 R)
• M23: 27,743,823 km (0.1 R)
• M24: 28,568,556 km (0.066 R)
• M25: 33,597,587 km (0.111 R)
• M26: 34,264,943 km (0.09 R)
• M27: 34,534,369 km (0.036 R)
• M28: 40,523,969 km (0.097 R)
• M29: 42,664,714 km (0.099 R)
• M30: 43,604,937 km (0.087 R)
• M31: 47,671,306 km (0.064 R)
• M32: 50,925,808 km (0.05 R)
• M33: 51,806,191 km (0.105 R)
• M34: 54,142,761 km (0.066 R)
• M35: 55,615,103 km (0.073 R)
• M36: 57,682,845 km (0.106 R)
• M37: 61,771,504 km (0.109 R)
• M38: 63,784,792 km (0.09 R)
• M39: 70,520,735 km (0.067 R)
• M40: 74,059,772 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.8

Radius: 7.3

Gravity: 15.18 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 16.66 AU - 18.94 AU

Year: 26273 Days

Day: 21.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,241,660 km

• M1: 91,554 km (0.083 R)
• M2: 355,295 km (0.114 R)
• M3: 731,085 km (0.075 R)
• M4: 1,203,216 km (0.109 R)
• M5: 2,116,959 km (0.035 R)
• M6: 3,248,667 km (0.103 R)
• M7: 3,746,379 km (0.111 R)
• M8: 3,979,752 km (0.091 R)
• M9: 4,776,959 km (0.059 R)
• M10: 6,781,421 km (0.085 R)
• M11: 7,179,800 km (0.113 R)
• M12: 9,780,410 km (0.07 R)
• M13: 13,641,381 km (0.054 R)
• M14: 23,058,717 km (0.076 R)
• M15: 23,506,164 km (0.113 R)
• M16: 25,710,788 km (0.104 R)
• M17: 26,801,655 km (0.099 R)
• M18: 27,671,268 km (0.036 R)
• M19: 32,582,566 km (0.052 R)
• M20: 34,003,297 km (0.089 R)
• M21: 35,613,269 km (0.061 R)
• M22: 39,142,582 km (0.092 R)
• M23: 41,896,380 km (0.1 R)
• M24: 45,298,086 km (0.087 R)
• M25: 50,551,215 km (0.106 R)
• M26: 55,994,932 km (0.073 R)
• M27: 66,213,663 km (0.092 R)
• M28: 69,412,664 km (0.084 R)
• M29: 71,286,078 km (0.076 R)
• M30: 75,133,735 km (0.093 R)
• M31: 76,116,743 km (0.102 R)
• M32: 77,607,486 km (0.1 R)
• M33: 89,963,821 km (0.042 R)
• M34: 92,189,688 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.5

Radius: 3

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 17.44 AU - 18.16 AU

Year: 26273 Days

Day: 17 Hours

Environment

Temp: -182 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,241,660 km

• M1: 38,147 km (0.12 R)
• M2: 225,743 km (0.115 R)
• M3: 435,629 km (0.067 R)
• M4: 754,272 km (0.083 R)
• M5: 2,789,551 km (0.087 R)
• M6: 2,884,546 km (0.085 R)
• M7: 2,981,635 km (0.104 R)
• M8: 3,182,246 km (0.094 R)
• M9: 4,554,208 km (0.087 R)
• M10: 5,238,917 km (0.095 R)
• M11: 6,374,066 km (0.098 R)
• M12: 7,263,425 km (0.101 R)
• M13: 8,788,277 km (0.053 R)
• M14: 12,299,189 km (0.108 R)
• M15: 15,666,936 km (0.103 R)
• M16: 23,046,150 km (0.095 R)
• M17: 26,702,771 km (0.101 R)
• M18: 27,304,155 km (0.031 R)
• M19: 29,617,237 km (0.111 R)
• M20: 31,865,244 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.5

Radius: 4.2

Gravity: 23.95 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 15.37 AU - 24.15 AU

Year: 30730 Days

Day: 22.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 86,241,660 km

• M1: 53,107 km (0.087 R)
• M2: 237,262 km (0.084 R)
• M3: 446,550 km (0.111 R)
• M4: 1,047,185 km (0.067 R)
• M5: 1,447,958 km (0.098 R)
• M6: 1,786,647 km (0.097 R)
• M7: 2,310,240 km (0.038 R)
• M8: 4,417,924 km (0.087 R)
• M9: 5,125,672 km (0.093 R)
• M10: 6,123,789 km (0.112 R)
• M11: 7,097,970 km (0.073 R)
• M12: 8,011,415 km (0.089 R)
• M13: 8,496,411 km (0.068 R)
• M14: 8,774,214 km (0.086 R)
• M15: 11,086,549 km (0.117 R)
• M16: 12,739,156 km (0.069 R)
• M17: 13,624,028 km (0.075 R)
• M18: 15,026,807 km (0.107 R)
• M19: 17,663,918 km (0.077 R)
• M20: 17,843,884 km (0.085 R)
• M21: 18,855,914 km (0.093 R)
• M22: 19,233,200 km (0.115 R)
• M23: 20,198,555 km (0.094 R)
• M24: 23,395,761 km (0.117 R)
• M25: 25,398,726 km (0.117 R)
• M26: 26,914,452 km (0.119 R)
• M27: 28,986,233 km (0.057 R)
• M28: 32,761,485 km (0.114 R)
• M29: 36,998,246 km (0.114 R)
• M30: 37,738,157 km (0.032 R)
• M31: 41,268,966 km (0.043 R)
• M32: 44,181,188 km (0.099 R)
• M33: 46,026,627 km (0.112 R)
• M34: 48,097,810 km (0.053 R)
• M35: 63,304,134 km (0.061 R)
• M36: 64,149,362 km (0.095 R)
• M37: 65,862,407 km (0.118 R)
• M38: 66,512,560 km (0.101 R)
• M39: 70,503,532 km (0.108 R)
• M40: 72,788,190 km (0.086 R)
• M41: 73,948,920 km (0.034 R)
• M42: 78,229,364 km (0.11 R)
• M43: 82,170,370 km (0.106 R)

Kuiper Belt

Range: 31.4 - 59.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 14,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit