🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.9

Radius: 8

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.49 AU - 0.57 AU

Year: 266 Days

Day: 7.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,943,265 km

• M1: 99,483 km (0.11 R)
• M2: 352,602 km (0.072 R)
• M3: 602,281 km (0.108 R)
• M4: 851,810 km (0.045 R)
• M5: 1,422,526 km (0.11 R)
• M6: 1,728,753 km (0.11 R)
• M7: 2,267,156 km (0.101 R)
• M8: 2,554,084 km (0.066 R)
• M9: 4,122,020 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806

Radius: 9.8

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.45 AU - 1.49 AU

Year: 1230 Days

Day: 13 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,943,265 km

• M1: 121,922 km (0.115 R)
• M2: 676,482 km (0.107 R)
• M3: 1,014,274 km (0.089 R)
• M4: 1,535,921 km (0.046 R)
• M5: 1,895,106 km (0.087 R)
• M6: 2,565,454 km (0.104 R)
• M7: 3,119,116 km (0.065 R)
• M8: 3,463,490 km (0.106 R)
• M9: 4,053,803 km (0.106 R)
• M10: 4,709,939 km (0.051 R)
• M11: 5,288,584 km (0.088 R)
• M12: 6,612,076 km (0.114 R)
• M13: 7,235,002 km (0.092 R)
• M14: 11,157,159 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.6

Radius: 10.3

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.13 AU - 2.61 AU

Year: 2518 Days

Day: 11.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,943,265 km

• M1: 128,056 km (0.116 R)
• M2: 481,855 km (0.077 R)
• M3: 943,215 km (0.105 R)
• M4: 1,317,658 km (0.073 R)
• M5: 1,792,182 km (0.102 R)
• M6: 3,222,637 km (0.072 R)
• M7: 3,575,389 km (0.043 R)
• M8: 3,953,872 km (0.067 R)
• M9: 5,158,733 km (0.101 R)
• M10: 6,238,830 km (0.11 R)
• M11: 6,903,942 km (0.113 R)
• M12: 7,253,851 km (0.069 R)
• M13: 7,615,579 km (0.094 R)
• M14: 8,180,760 km (0.119 R)
• M15: 8,977,817 km (0.1 R)
• M16: 9,862,090 km (0.114 R)
• M17: 10,920,345 km (0.087 R)
• M18: 11,721,442 km (0.11 R)
• M19: 12,777,304 km (0.066 R)
• M20: 13,216,972 km (0.059 R)
• M21: 13,895,398 km (0.098 R)
• M22: 16,274,304 km (0.093 R)
• M23: 17,053,858 km (0.037 R)
• M24: 17,479,614 km (0.036 R)
• M25: 18,076,659 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.8

Radius: 11.6

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.36 AU - 2.44 AU

Year: 2566 Days

Day: 10 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,943,265 km

• M1: 148,102 km (0.082 R)
• M2: 533,466 km (0.107 R)
• M3: 1,303,596 km (0.082 R)
• M4: 1,719,029 km (0.12 R)
• M5: 2,210,757 km (0.03 R)
• M6: 3,257,643 km (0.116 R)
• M7: 3,752,214 km (0.116 R)
• M8: 4,503,195 km (0.12 R)
• M9: 4,959,768 km (0.108 R)
• M10: 5,592,268 km (0.104 R)
• M11: 6,172,857 km (0.107 R)
• M12: 6,849,039 km (0.086 R)
• M13: 7,307,407 km (0.049 R)
• M14: 7,940,057 km (0.072 R)
• M15: 9,245,896 km (0.069 R)
• M16: 10,022,609 km (0.088 R)
• M17: 13,349,366 km (0.075 R)
• M18: 14,903,239 km (0.099 R)
• M19: 17,140,924 km (0.076 R)
• M20: 17,827,129 km (0.082 R)
• M21: 18,258,271 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.1

Radius: 13.8

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.49 AU - 4.89 AU

Year: 5920 Days

Day: 13.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,943,265 km

• M1: 171,738 km (0.106 R)
• M2: 673,041 km (0.111 R)
• M3: 1,849,778 km (0.109 R)
• M4: 2,755,144 km (0.085 R)
• M5: 3,986,783 km (0.105 R)
• M6: 4,436,175 km (0.111 R)
• M7: 4,947,351 km (0.105 R)
• M8: 6,757,336 km (0.113 R)
• M9: 7,548,260 km (0.052 R)
• M10: 8,684,306 km (0.096 R)
• M11: 10,341,701 km (0.099 R)
• M12: 10,858,711 km (0.115 R)
• M13: 11,792,501 km (0.11 R)
• M14: 14,390,418 km (0.102 R)
• M15: 27,005,258 km (0.105 R)
• M16: 29,366,212 km (0.073 R)
• M17: 30,789,336 km (0.081 R)
• M18: 34,391,802 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.6

Radius: 8.4

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.87 AU - 4.93 AU

Year: 6371 Days

Day: 14.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,943,265 km

• M1: 104,419 km (0.089 R)
• M2: 367,412 km (0.116 R)
• M3: 630,705 km (0.039 R)
• M4: 1,066,334 km (0.093 R)
• M5: 1,774,829 km (0.105 R)
• M6: 2,160,193 km (0.054 R)
• M7: 2,900,404 km (0.088 R)
• M8: 3,776,748 km (0.092 R)
• M9: 5,157,835 km (0.117 R)
• M10: 5,757,723 km (0.098 R)
• M11: 6,369,728 km (0.067 R)
• M12: 6,674,608 km (0.119 R)
• M13: 7,647,742 km (0.088 R)
• M14: 9,046,333 km (0.103 R)
• M15: 9,606,876 km (0.114 R)
• M16: 11,133,822 km (0.052 R)
• M17: 13,193,635 km (0.043 R)
• M18: 14,837,416 km (0.065 R)
• M19: 16,423,453 km (0.074 R)
• M20: 17,984,806 km (0.084 R)
• M21: 19,714,007 km (0.119 R)
• M22: 20,877,280 km (0.103 R)
• M23: 24,723,890 km (0.108 R)
• M24: 33,074,144 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.7

Radius: 3.7

Gravity: 37.01 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.27 AU - 6.23 AU

Year: 9517 Days

Day: 15.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 41,943,265 km

• M1: 61,036 km (0.114 R)
• M2: 179,069 km (0.064 R)
• M3: 549,174 km (0.117 R)
• M4: 907,909 km (0.11 R)
• M5: 1,099,844 km (0.112 R)
• M6: 1,873,265 km (0.067 R)
• M7: 2,116,959 km (0.104 R)
• M8: 3,285,020 km (0.077 R)
• M9: 3,639,417 km (0.097 R)
• M10: 3,940,707 km (0.045 R)
• M11: 4,368,258 km (0.062 R)
• M12: 4,650,549 km (0.047 R)
• M13: 6,940,892 km (0.051 R)
• M14: 9,323,986 km (0.11 R)
• M15: 9,555,863 km (0.101 R)
• M16: 10,031,285 km (0.063 R)
• M17: 11,552,097 km (0.079 R)
• M18: 12,036,645 km (0.104 R)
• M19: 12,201,202 km (0.075 R)
• M20: 13,453,636 km (0.087 R)
• M21: 13,690,300 km (0.107 R)
• M22: 14,416,747 km (0.111 R)
• M23: 15,489,364 km (0.085 R)
• M24: 16,955,123 km (0.114 R)
• M25: 18,365,383 km (0.104 R)
• M26: 19,099,011 km (0.084 R)
• M27: 20,939,214 km (0.108 R)
• M28: 21,820,794 km (0.112 R)
• M29: 23,743,426 km (0.079 R)
• M30: 26,509,491 km (0.063 R)
• M31: 29,087,212 km (0.115 R)
• M32: 29,482,898 km (0.118 R)
• M33: 32,991,118 km (0.119 R)
• M34: 34,292,769 km (0.11 R)
• M35: 34,956,385 km (0.119 R)
• M36: 35,628,378 km (0.046 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 18,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit