🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.41 AU - 0.61 AU

Year: 232 Days

Day: 12.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.61 AU - 0.65 AU

Year: 318 Days

Day: 24.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,734,708 km

• M1: 41,289 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.8

Radius: 12.4

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.63 AU - 0.73 AU

Year: 357 Days

Day: 12 Hours

Environment

Temp: -131 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,734,708 km

• M1: 154,235 km (0.051 R)
• M2: 1,158,187 km (0.087 R)
• M3: 1,659,190 km (0.097 R)
• M4: 2,256,385 km (0.107 R)
• M5: 3,101,164 km (0.069 R)
• M6: 3,932,180 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.8

Radius: 9.7

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.97 AU - 1.21 AU

Year: 724 Days

Day: 8.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,734,708 km

• M1: 120,725 km (0.065 R)
• M2: 422,315 km (0.067 R)
• M3: 733,478 km (0.079 R)
• M4: 1,040,154 km (0.109 R)
• M5: 1,593,217 km (0.092 R)
• M6: 1,998,628 km (0.056 R)
• M7: 2,352,277 km (0.1 R)
• M8: 2,791,945 km (0.091 R)
• M9: 3,126,895 km (0.037 R)
• M10: 4,237,808 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.8

Radius: 8.9

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.13 AU - 1.81 AU

Year: 1133 Days

Day: 7.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,734,708 km

• M1: 110,702 km (0.09 R)
• M2: 387,458 km (0.071 R)
• M3: 679,174 km (0.109 R)
• M4: 1,333,067 km (0.082 R)
• M5: 1,836,763 km (0.041 R)
• M6: 2,246,960 km (0.071 R)
• M7: 2,963,384 km (0.1 R)
• M8: 3,266,769 km (0.043 R)
• M9: 3,683,100 km (0.114 R)
• M10: 4,051,410 km (0.067 R)
• M11: 4,586,521 km (0.058 R)
• M12: 5,776,572 km (0.111 R)
• M13: 6,872,676 km (0.097 R)
• M14: 8,478,310 km (0.106 R)
• M15: 9,266,541 km (0.07 R)
• M16: 9,678,683 km (0.077 R)
• M17: 10,319,710 km (0.088 R)
• M18: 10,794,833 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.2

Radius: 12.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.04 AU - 2.6 AU

Year: 2247 Days

Day: 12.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,734,708 km

• M1: 157,975 km (0.071 R)
• M2: 642,373 km (0.084 R)
• M3: 1,140,684 km (0.041 R)
• M4: 1,576,462 km (0.096 R)
• M5: 2,146,580 km (0.12 R)
• M6: 2,572,186 km (0.1 R)
• M7: 3,110,289 km (0.119 R)
• M8: 3,644,055 km (0.069 R)
• M9: 4,379,328 km (0.094 R)
• M10: 4,782,794 km (0.096 R)
• M11: 5,251,484 km (0.087 R)
• M12: 7,189,374 km (0.082 R)
• M13: 8,486,388 km (0.087 R)
• M14: 9,146,713 km (0.084 R)
• M15: 9,626,025 km (0.103 R)
• M16: 10,667,824 km (0.102 R)
• M17: 11,540,429 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.4

Radius: 9.6

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.11 AU - 3.21 AU

Year: 3572 Days

Day: 7.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 109.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,734,708 km

• M1: 119,529 km (0.102 R)
• M2: 494,571 km (0.09 R)
• M3: 841,787 km (0.09 R)
• M4: 1,375,702 km (0.112 R)
• M5: 2,055,475 km (0.04 R)
• M6: 2,808,550 km (0.114 R)
• M7: 4,049,764 km (0.06 R)
• M8: 4,853,553 km (0.055 R)
• M9: 6,992,055 km (0.074 R)
• M10: 7,537,788 km (0.041 R)
• M11: 13,071,712 km (0.107 R)
• M12: 13,999,967 km (0.109 R)
• M13: 15,023,965 km (0.076 R)
• M14: 15,340,663 km (0.099 R)
• M15: 16,765,134 km (0.047 R)
• M16: 20,643,908 km (0.114 R)
• M17: 23,139,350 km (0.115 R)
• M18: 23,846,798 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.9

Radius: 5.8

Gravity: 16.7 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.74 AU - 9.28 AU

Year: 13086 Days

Day: 24.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 46,734,708 km

• M1: 72,256 km (0.07 R)
• M2: 374,443 km (0.109 R)
• M3: 707,448 km (0.093 R)
• M4: 899,682 km (0.113 R)
• M5: 1,104,032 km (0.119 R)
• M6: 2,450,264 km (0.075 R)
• M7: 2,967,573 km (0.038 R)
• M8: 3,876,081 km (0.112 R)
• M9: 4,484,795 km (0.064 R)
• M10: 4,669,997 km (0.104 R)
• M11: 5,817,412 km (0.089 R)
• M12: 6,302,259 km (0.098 R)
• M13: 6,693,158 km (0.028 R)
• M14: 8,991,281 km (0.115 R)
• M15: 9,236,771 km (0.041 R)
• M16: 10,370,274 km (0.061 R)
• M17: 13,097,443 km (0.09 R)
• M18: 14,390,418 km (0.111 R)
• M19: 16,123,509 km (0.086 R)
• M20: 22,417,989 km (0.088 R)
• M21: 22,960,730 km (0.036 R)
• M22: 23,791,297 km (0.099 R)
• M23: 24,546,168 km (0.096 R)
• M24: 26,004,598 km (0.111 R)
• M25: 27,212,152 km (0.081 R)
• M26: 28,351,489 km (0.111 R)
• M27: 29,414,382 km (0.116 R)
• M28: 31,282,112 km (0.038 R)
• M29: 31,846,096 km (0.09 R)
• M30: 33,110,796 km (0.105 R)
• M31: 33,932,836 km (0.099 R)
• M32: 35,862,649 km (0.11 R)
• M33: 36,729,568 km (0.116 R)
• M34: 36,979,846 km (0.091 R)
• M35: 42,776,614 km (0.103 R)
• M36: 45,456,659 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.5

Radius: 7.4

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.35 AU - 8.95 AU

Year: 13453 Days

Day: 24.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,734,708 km

• M1: 92,152 km (0.118 R)
• M2: 371,452 km (0.091 R)
• M3: 607,816 km (0.053 R)
• M4: 889,509 km (0.041 R)
• M5: 1,125,275 km (0.112 R)
• M6: 1,665,024 km (0.12 R)
• M7: 2,268,801 km (0.075 R)
• M8: 3,605,608 km (0.069 R)
• M9: 3,931,432 km (0.099 R)
• M10: 5,540,956 km (0.093 R)
• M11: 6,472,053 km (0.093 R)
• M12: 8,404,857 km (0.091 R)
• M13: 9,993,736 km (0.103 R)
• M14: 10,583,451 km (0.107 R)
• M15: 10,914,661 km (0.094 R)
• M16: 13,239,412 km (0.038 R)
• M17: 15,029,948 km (0.099 R)
• M18: 15,732,310 km (0.038 R)
• M19: 16,826,469 km (0.115 R)
• M20: 17,430,246 km (0.115 R)
• M21: 21,801,646 km (0.092 R)
• M22: 24,766,675 km (0.116 R)
• M23: 25,057,793 km (0.095 R)
• M24: 28,200,395 km (0.05 R)
• M25: 28,624,057 km (0.104 R)
• M26: 34,165,162 km (0.062 R)
• M27: 39,055,666 km (0.069 R)
• M28: 44,822,664 km (0.096 R)
• M29: 46,128,354 km (0.079 R)
• M30: 47,608,475 km (0.097 R)
• M31: 48,209,260 km (0.076 R)
• M32: 49,426,089 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.2

Radius: 5.3

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.64 AU - 9.6 AU

Year: 16091 Days

Day: 18.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 46,734,708 km

• M1: 66,272 km (0.107 R)
• M2: 246,537 km (0.106 R)
• M3: 619,036 km (0.117 R)
• M4: 1,157,738 km (0.113 R)
• M5: 1,351,318 km (0.115 R)
• M6: 1,638,545 km (0.12 R)
• M7: 2,429,769 km (0.107 R)
• M8: 3,030,404 km (0.075 R)
• M9: 3,449,876 km (0.103 R)
• M10: 4,150,743 km (0.05 R)
• M11: 4,490,928 km (0.066 R)
• M12: 6,514,987 km (0.108 R)
• M13: 6,703,929 km (0.079 R)
• M14: 8,261,692 km (0.054 R)
• M15: 9,030,924 km (0.033 R)
• M16: 10,921,393 km (0.052 R)
• M17: 11,679,854 km (0.111 R)
• M18: 12,015,402 km (0.04 R)
• M19: 13,060,642 km (0.047 R)
• M20: 13,666,813 km (0.087 R)
• M21: 17,124,618 km (0.115 R)
• M22: 17,630,558 km (0.102 R)
• M23: 18,596,511 km (0.083 R)
• M24: 19,518,932 km (0.062 R)
• M25: 26,462,218 km (0.11 R)
• M26: 27,040,862 km (0.089 R)
• M27: 28,424,044 km (0.11 R)
• M28: 33,635,884 km (0.06 R)
• M29: 38,458,321 km (0.106 R)
• M30: 43,321,299 km (0.115 R)
• M31: 44,124,790 km (0.092 R)
• M32: 45,211,468 km (0.078 R)
• M33: 46,315,950 km (0.072 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 15,697 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit