🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.5

Radius: 12.5

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.66 AU - 0.82 AU

Year: 439 Days

Day: 6.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,682,524 km

• M1: 155,432 km (0.03 R)
• M2: 549,174 km (0.117 R)
• M3: 1,041,650 km (0.11 R)
• M4: 1,436,289 km (0.036 R)
• M5: 2,046,499 km (0.111 R)
• M6: 2,465,672 km (0.086 R)
• M7: 2,902,947 km (0.099 R)
• M8: 3,780,338 km (0.108 R)
• M9: 4,275,058 km (0.047 R)
• M10: 4,688,098 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.4

Radius: 10.2

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.02 AU - 1.08 AU

Year: 743 Days

Day: 11.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,682,524 km

• M1: 126,859 km (0.055 R)
• M2: 461,210 km (0.093 R)
• M3: 859,739 km (0.094 R)
• M4: 1,231,639 km (0.105 R)
• M5: 1,560,007 km (0.047 R)
• M6: 2,030,941 km (0.061 R)
• M7: 2,380,401 km (0.12 R)
• M8: 3,098,920 km (0.076 R)
• M9: 3,628,646 km (0.11 R)
• M10: 3,996,507 km (0.061 R)
• M11: 4,418,224 km (0.073 R)
• M12: 5,451,795 km (0.047 R)
• M13: 5,812,326 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.7

Radius: 14.4

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.18 AU - 1.18 AU

Year: 885 Days

Day: 9.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,682,524 km

• M1: 179,069 km (0.099 R)
• M2: 674,686 km (0.068 R)
• M3: 1,219,671 km (0.115 R)
• M4: 1,983,668 km (0.101 R)
• M5: 2,639,206 km (0.081 R)
• M6: 3,195,261 km (0.051 R)
• M7: 3,666,494 km (0.07 R)
• M8: 4,503,943 km (0.097 R)
• M9: 5,115,200 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.6

Radius: 12.9

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.06 AU - 1.68 AU

Year: 1107 Days

Day: 11.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,682,524 km

• M1: 160,519 km (0.086 R)
• M2: 729,589 km (0.086 R)
• M3: 1,722,021 km (0.1 R)
• M4: 3,611,442 km (0.051 R)
• M5: 4,745,544 km (0.112 R)
• M6: 5,404,522 km (0.079 R)
• M7: 6,220,429 km (0.078 R)
• M8: 6,781,271 km (0.103 R)
• M9: 7,353,932 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.3

Radius: 12.3

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.96 AU - 2.2 AU

Year: 2071 Days

Day: 7.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,682,524 km

• M1: 172,636 km (0.095 R)
• M2: 630,256 km (0.119 R)
• M3: 2,040,515 km (0.077 R)
• M4: 2,599,712 km (0.044 R)
• M5: 3,080,819 km (0.114 R)
• M6: 3,532,604 km (0.111 R)
• M7: 4,425,853 km (0.099 R)
• M8: 5,276,766 km (0.047 R)
• M9: 6,028,345 km (0.098 R)
• M10: 6,631,225 km (0.096 R)
• M11: 8,684,156 km (0.065 R)
• M12: 9,317,105 km (0.086 R)
• M13: 12,616,336 km (0.116 R)
• M14: 13,472,784 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.2

Radius: 13.2

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.85 AU - 2.75 AU

Year: 2408 Days

Day: 6.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,682,524 km

• M1: 164,258 km (0.081 R)
• M2: 738,864 km (0.065 R)
• M3: 1,236,875 km (0.106 R)
• M4: 1,762,263 km (0.087 R)
• M5: 2,227,512 km (0.037 R)
• M6: 3,194,812 km (0.109 R)
• M7: 3,952,376 km (0.053 R)
• M8: 6,628,682 km (0.113 R)
• M9: 7,099,466 km (0.093 R)
• M10: 8,296,249 km (0.047 R)
• M11: 8,712,879 km (0.105 R)
• M12: 10,596,167 km (0.093 R)
• M13: 11,554,491 km (0.113 R)
• M14: 12,197,462 km (0.101 R)
• M15: 14,499,774 km (0.052 R)
• M16: 15,680,699 km (0.064 R)
• M17: 16,670,738 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.1

Radius: 12.4

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.93 AU - 4.29 AU

Year: 5751 Days

Day: 13.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,682,524 km

• M1: 157,826 km (0.115 R)
• M2: 1,639,293 km (0.047 R)
• M3: 3,214,110 km (0.113 R)
• M4: 3,749,222 km (0.099 R)
• M5: 4,494,967 km (0.106 R)
• M6: 5,571,174 km (0.05 R)
• M7: 7,299,778 km (0.109 R)
• M8: 9,747,199 km (0.069 R)
• M9: 10,687,870 km (0.117 R)
• M10: 11,935,367 km (0.088 R)
• M11: 17,907,763 km (0.108 R)
• M12: 18,839,757 km (0.079 R)
• M13: 20,872,643 km (0.069 R)
• M14: 22,509,543 km (0.057 R)
• M15: 25,370,303 km (0.114 R)
• M16: 31,134,907 km (0.103 R)
• M17: 33,070,704 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.5

Radius: 13.8

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.33 AU - 5.45 AU

Year: 7464 Days

Day: 9.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,682,524 km

• M1: 173,534 km (0.113 R)
• M2: 665,561 km (0.103 R)
• M3: 1,532,032 km (0.072 R)
• M4: 2,351,230 km (0.083 R)
• M5: 3,232,960 km (0.08 R)
• M6: 3,904,504 km (0.073 R)
• M7: 4,694,680 km (0.103 R)
• M8: 5,259,412 km (0.078 R)
• M9: 6,191,856 km (0.12 R)
• M10: 6,767,508 km (0.04 R)
• M11: 7,452,966 km (0.046 R)
• M12: 8,026,524 km (0.067 R)
• M13: 8,753,719 km (0.101 R)
• M14: 10,247,005 km (0.099 R)
• M15: 10,812,784 km (0.085 R)
• M16: 13,453,486 km (0.105 R)
• M17: 16,244,534 km (0.047 R)
• M18: 19,472,856 km (0.067 R)
• M19: 20,195,563 km (0.091 R)
• M20: 21,011,320 km (0.093 R)
• M21: 21,848,919 km (0.084 R)
• M22: 23,509,605 km (0.084 R)
• M23: 25,766,588 km (0.09 R)
• M24: 30,902,283 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.9

Radius: 5.9

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.77 AU - 9.15 AU

Year: 14064 Days

Day: 22.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,682,524 km

• M1: 75,098 km (0.062 R)
• M2: 271,520 km (0.072 R)
• M3: 457,620 km (0.119 R)
• M4: 921,224 km (0.101 R)
• M5: 1,107,473 km (0.104 R)
• M6: 1,408,913 km (0.102 R)
• M7: 2,630,978 km (0.113 R)
• M8: 3,078,724 km (0.084 R)
• M9: 3,601,120 km (0.116 R)
• M10: 4,098,084 km (0.088 R)
• M11: 5,131,955 km (0.076 R)
• M12: 6,292,535 km (0.051 R)
• M13: 7,371,884 km (0.051 R)
• M14: 9,500,662 km (0.089 R)
• M15: 10,968,067 km (0.069 R)
• M16: 13,051,517 km (0.086 R)
• M17: 14,280,762 km (0.097 R)
• M18: 18,056,463 km (0.083 R)
• M19: 19,501,578 km (0.096 R)
• M20: 20,776,900 km (0.033 R)
• M21: 21,685,259 km (0.12 R)
• M22: 25,304,929 km (0.029 R)
• M23: 26,820,355 km (0.027 R)
• M24: 34,164,863 km (0.101 R)
• M25: 36,131,177 km (0.099 R)
• M26: 37,082,171 km (0.118 R)
• M27: 42,218,763 km (0.074 R)
• M28: 44,345,596 km (0.118 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 13,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit