🌌 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: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.46 AU - 0.72 AU

Year: 162 Days

Day: 28.2 Hours

Environment

Temp: 160 °C

Axial Tilt: 48.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.59 AU - 0.87 AU

Year: 222 Days

Day: 15.6 Hours

Environment

Temp: 189 °C

Axial Tilt: 49.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 96,569,660 km

• M1: 27,376 km (0.083 R)
• M2: 407,056 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.58 AU - 0.92 AU

Year: 232 Days

Day: 30.1 Hours

Environment

Temp: 190 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.87 AU - 1.21 AU

Year: 378 Days

Day: 20.2 Hours

Environment

Temp: 29 °C

Axial Tilt: 10.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.9

Radius: 10.5

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.29 AU - 9.23 AU

Year: 9242 Days

Day: 6.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 96,569,660 km

• M1: 186,997 km (0.11 R)
• M2: 607,068 km (0.119 R)
• M3: 2,013,737 km (0.066 R)
• M4: 3,865,609 km (0.086 R)
• M5: 4,259,799 km (0.096 R)
• M6: 4,680,917 km (0.105 R)
• M7: 5,068,077 km (0.063 R)
• M8: 6,504,515 km (0.119 R)
• M9: 8,195,570 km (0.049 R)
• M10: 9,165,862 km (0.096 R)
• M11: 11,019,828 km (0.072 R)
• M12: 12,650,744 km (0.104 R)
• M13: 20,012,006 km (0.109 R)
• M14: 22,260,762 km (0.061 R)
• M15: 22,763,710 km (0.077 R)
• M16: 24,054,290 km (0.075 R)
• M17: 38,180,219 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.9

Radius: 11.9

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 9.9 AU - 11.34 AU

Year: 12336 Days

Day: 12.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 96,569,660 km

• M1: 149,598 km (0.105 R)
• M2: 555,606 km (0.094 R)
• M3: 1,531,134 km (0.11 R)
• M4: 2,269,848 km (0.111 R)
• M5: 2,810,196 km (0.099 R)
• M6: 4,964,106 km (0.074 R)
• M7: 7,116,221 km (0.117 R)
• M8: 7,863,762 km (0.035 R)
• M9: 8,518,103 km (0.054 R)
• M10: 9,515,621 km (0.064 R)
• M11: 10,258,973 km (0.105 R)
• M12: 12,912,839 km (0.068 R)
• M13: 14,092,568 km (0.097 R)
• M14: 16,816,895 km (0.12 R)
• M15: 24,244,130 km (0.088 R)
• M16: 25,129,151 km (0.098 R)
• M17: 30,898,243 km (0.076 R)
• M18: 33,603,123 km (0.106 R)
• M19: 34,456,728 km (0.109 R)
• M20: 40,566,903 km (0.101 R)
• M21: 43,804,650 km (0.096 R)
• M22: 44,970,018 km (0.116 R)
• M23: 46,756,665 km (0.08 R)
• M24: 48,900,552 km (0.117 R)
• M25: 52,726,667 km (0.08 R)
• M26: 55,048,426 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.8

Radius: 8.3

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 9.75 AU - 12.79 AU

Year: 13486 Days

Day: 6.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 96,569,660 km

• M1: 103,223 km (0.079 R)
• M2: 394,789 km (0.117 R)
• M3: 758,611 km (0.117 R)
• M4: 1,397,095 km (0.047 R)
• M5: 1,891,366 km (0.093 R)
• M6: 2,624,994 km (0.087 R)
• M7: 3,105,203 km (0.083 R)
• M8: 3,863,365 km (0.117 R)
• M9: 6,392,467 km (0.105 R)
• M10: 6,963,781 km (0.098 R)
• M11: 7,348,846 km (0.042 R)
• M12: 8,686,999 km (0.107 R)
• M13: 9,491,237 km (0.075 R)
• M14: 11,599,221 km (0.11 R)
• M15: 13,404,717 km (0.1 R)
• M16: 14,001,164 km (0.101 R)
• M17: 15,678,455 km (0.094 R)
• M18: 19,343,453 km (0.071 R)
• M19: 21,240,205 km (0.105 R)
• M20: 21,778,308 km (0.095 R)
• M21: 24,410,483 km (0.094 R)
• M22: 25,701,812 km (0.079 R)
• M23: 26,006,094 km (0.106 R)
• M24: 27,458,390 km (0.111 R)
• M25: 29,736,766 km (0.05 R)
• M26: 32,021,125 km (0.06 R)
• M27: 32,491,760 km (0.103 R)
• M28: 33,206,090 km (0.104 R)
• M29: 33,809,418 km (0.079 R)
• M30: 39,707,464 km (0.107 R)
• M31: 42,614,300 km (0.076 R)
• M32: 45,363,909 km (0.086 R)
• M33: 51,053,714 km (0.107 R)
• M34: 52,669,371 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369

Radius: 10.8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 9.32 AU - 14.16 AU

Year: 14338 Days

Day: 5.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 96,569,660 km

• M1: 134,339 km (0.093 R)
• M2: 518,207 km (0.107 R)
• M3: 1,054,665 km (0.053 R)
• M4: 1,416,991 km (0.041 R)
• M5: 1,960,630 km (0.114 R)
• M6: 2,461,035 km (0.055 R)
• M7: 3,542,926 km (0.11 R)
• M8: 3,957,761 km (0.025 R)
• M9: 4,522,044 km (0.099 R)
• M10: 5,203,912 km (0.074 R)
• M11: 6,503,767 km (0.11 R)
• M12: 7,373,081 km (0.1 R)
• M13: 8,681,015 km (0.092 R)
• M14: 10,188,961 km (0.114 R)
• M15: 11,751,212 km (0.053 R)
• M16: 13,282,496 km (0.113 R)
• M17: 14,032,430 km (0.093 R)
• M18: 15,961,345 km (0.079 R)
• M19: 24,704,443 km (0.075 R)
• M20: 25,361,776 km (0.073 R)
• M21: 30,614,755 km (0.069 R)
• M22: 31,046,644 km (0.053 R)
• M23: 32,927,389 km (0.12 R)
• M24: 33,494,664 km (0.077 R)
• M25: 34,184,161 km (0.1 R)
• M26: 38,897,990 km (0.077 R)
• M27: 40,951,370 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.1

Radius: 4

Gravity: 16.13 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 13.31 AU - 19.75 AU

Year: 23955 Days

Day: 21.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 96,569,660 km

• M1: 50,115 km (0.107 R)
• M2: 262,993 km (0.071 R)
• M3: 1,351,916 km (0.045 R)
• M4: 1,772,585 km (0.108 R)
• M5: 2,041,413 km (0.117 R)
• M6: 2,441,288 km (0.056 R)
• M7: 3,983,791 km (0.12 R)
• M8: 5,806,941 km (0.119 R)
• M9: 8,362,222 km (0.039 R)
• M10: 9,427,508 km (0.099 R)
• M11: 9,640,236 km (0.119 R)
• M12: 10,020,215 km (0.11 R)
• M13: 10,297,719 km (0.066 R)
• M14: 11,947,036 km (0.111 R)
• M15: 12,196,116 km (0.038 R)
• M16: 17,533,319 km (0.091 R)
• M17: 18,593,519 km (0.106 R)
• M18: 20,572,699 km (0.046 R)
• M19: 24,142,703 km (0.055 R)
• M20: 24,540,932 km (0.083 R)
• M21: 36,626,645 km (0.051 R)
• M22: 42,111,501 km (0.055 R)
• M23: 45,803,427 km (0.038 R)
• M24: 47,338,601 km (0.049 R)
• M25: 49,225,778 km (0.079 R)
• M26: 55,187,103 km (0.067 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 913.4

Radius: 3.5

Gravity: 74.56 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 12.84 AU - 20.96 AU

Year: 24764 Days

Day: 17.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 135.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 96,569,660 km

• M1: 43,533 km (0.06 R)
• M2: 161,715 km (0.108 R)
• M3: 362,775 km (0.044 R)
• M4: 976,276 km (0.079 R)
• M5: 1,099,694 km (0.114 R)
• M6: 1,740,122 km (0.105 R)
• M7: 1,880,894 km (0.111 R)
• M8: 2,029,146 km (0.063 R)
• M9: 2,597,917 km (0.077 R)
• M10: 3,060,473 km (0.096 R)
• M11: 4,253,367 km (0.104 R)
• M12: 4,932,840 km (0.113 R)
• M13: 6,599,360 km (0.093 R)
• M14: 7,144,046 km (0.116 R)
• M15: 7,664,647 km (0.046 R)
• M16: 10,065,094 km (0.079 R)
• M17: 12,401,215 km (0.109 R)
• M18: 13,852,164 km (0.103 R)
• M19: 15,412,470 km (0.119 R)
• M20: 18,013,678 km (0.099 R)
• M21: 19,867,944 km (0.075 R)
• M22: 22,606,033 km (0.08 R)
• M23: 37,132,735 km (0.106 R)
• M24: 41,916,426 km (0.074 R)
• M25: 43,939,438 km (0.08 R)
• M26: 44,110,877 km (0.033 R)
• M27: 44,974,954 km (0.109 R)
• M28: 50,962,459 km (0.045 R)
• M29: 53,070,443 km (0.075 R)
• M30: 54,047,616 km (0.115 R)
• M31: 60,374,858 km (0.097 R)
• M32: 74,474,308 km (0.098 R)
• M33: 75,945,005 km (0.114 R)
• M34: 76,191,991 km (0.055 R)
• M35: 83,589,157 km (0.109 R)
• M36: 84,911,003 km (0.072 R)
• M37: 95,128,987 km (0.1 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 17,603 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit