🌌 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: 323

Radius: 8.4

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.43 AU - 0.63 AU

Year: 266 Days

Day: 14.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 63.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,859,133 km

• M1: 105,167 km (0.112 R)
• M2: 589,715 km (0.057 R)
• M3: 895,044 km (0.093 R)
• M4: 1,224,159 km (0.118 R)
• M5: 1,536,071 km (0.099 R)
• M6: 1,960,630 km (0.117 R)
• M7: 2,263,416 km (0.102 R)
• M8: 2,680,046 km (0.117 R)
• M9: 2,955,755 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.6

Radius: 14.4

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.57 AU - 0.91 AU

Year: 439 Days

Day: 9.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,859,133 km

• M1: 181,612 km (0.114 R)
• M2: 657,183 km (0.119 R)
• M3: 1,364,033 km (0.065 R)
• M4: 1,901,539 km (0.093 R)
• M5: 2,651,473 km (0.083 R)
• M6: 3,681,155 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.7

Radius: 9.7

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.8 AU - 1.06 AU

Year: 619 Days

Day: 9.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,859,133 km

• M1: 120,576 km (0.107 R)
• M2: 568,622 km (0.102 R)
• M3: 905,217 km (0.057 R)
• M4: 1,366,427 km (0.094 R)
• M5: 1,787,994 km (0.08 R)
• M6: 2,097,512 km (0.049 R)
• M7: 2,487,962 km (0.092 R)
• M8: 3,898,221 km (0.059 R)
• M9: 4,371,549 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.6

Radius: 13.6

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.62 AU - 2.34 AU

Year: 1923 Days

Day: 12.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,859,133 km

• M1: 169,195 km (0.098 R)
• M2: 620,981 km (0.118 R)
• M3: 1,494,782 km (0.033 R)
• M4: 2,076,418 km (0.092 R)
• M5: 3,133,776 km (0.057 R)
• M6: 5,650,162 km (0.073 R)
• M7: 8,738,161 km (0.078 R)
• M8: 9,751,238 km (0.062 R)
• M9: 10,544,855 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.1

Radius: 11.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.17 AU - 2.47 AU

Year: 2439 Days

Day: 12.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,859,133 km

• M1: 138,677 km (0.041 R)
• M2: 595,400 km (0.112 R)
• M3: 1,003,802 km (0.118 R)
• M4: 1,542,504 km (0.062 R)
• M5: 2,792,693 km (0.087 R)
• M6: 3,834,193 km (0.099 R)
• M7: 4,267,878 km (0.113 R)
• M8: 4,625,267 km (0.072 R)
• M9: 5,281,403 km (0.112 R)
• M10: 5,896,101 km (0.032 R)
• M11: 6,557,772 km (0.057 R)
• M12: 7,239,041 km (0.116 R)
• M13: 8,219,954 km (0.101 R)
• M14: 8,944,307 km (0.109 R)
• M15: 9,639,189 km (0.074 R)
• M16: 11,696,010 km (0.098 R)
• M17: 13,938,482 km (0.074 R)
• M18: 16,351,795 km (0.058 R)
• M19: 16,917,874 km (0.087 R)
• M20: 17,337,795 km (0.09 R)
• M21: 18,639,446 km (0.074 R)

Asteroid Belt

Center: 3.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.6

Radius: 10.5

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.51 AU - 4.67 AU

Year: 5709 Days

Day: 7 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,859,133 km

• M1: 130,599 km (0.105 R)
• M2: 484,398 km (0.112 R)
• M3: 860,038 km (0.084 R)
• M4: 1,855,612 km (0.081 R)
• M5: 2,243,370 km (0.063 R)
• M6: 3,364,905 km (0.062 R)
• M7: 4,349,558 km (0.117 R)
• M8: 4,686,602 km (0.103 R)
• M9: 5,017,064 km (0.105 R)
• M10: 6,850,086 km (0.112 R)
• M11: 7,339,272 km (0.045 R)
• M12: 7,983,590 km (0.089 R)
• M13: 8,984,250 km (0.071 R)
• M14: 10,498,928 km (0.103 R)
• M15: 11,828,105 km (0.091 R)
• M16: 12,265,679 km (0.111 R)
• M17: 13,219,665 km (0.096 R)
• M18: 14,369,773 km (0.068 R)
• M19: 16,540,887 km (0.094 R)
• M20: 17,818,303 km (0.074 R)
• M21: 18,162,229 km (0.059 R)
• M22: 19,400,600 km (0.059 R)
• M23: 20,443,596 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 13.3

Radius: 4.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.91 AU - 7.45 AU

Year: 11917 Days

Day: 18.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,859,133 km

• M1: 91,105 km (0.102 R)
• M2: 282,590 km (0.073 R)
• M3: 1,470,397 km (0.1 R)
• M4: 2,496,489 km (0.106 R)
• M5: 4,632,747 km (0.102 R)
• M6: 5,576,709 km (0.064 R)
• M7: 6,289,543 km (0.071 R)
• M8: 6,565,551 km (0.119 R)
• M9: 7,751,114 km (0.109 R)
• M10: 8,575,848 km (0.118 R)
• M11: 9,588,176 km (0.094 R)
• M12: 10,926,778 km (0.082 R)
• M13: 11,143,097 km (0.083 R)
• M14: 11,584,560 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.7

Radius: 5.1

Gravity: 18.48 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.29 AU - 10.25 AU

Year: 17927 Days

Day: 18.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,859,133 km

• M1: 68,815 km (0.109 R)
• M2: 258,804 km (0.116 R)
• M3: 573,409 km (0.069 R)
• M4: 732,132 km (0.078 R)
• M5: 1,205,759 km (0.114 R)
• M6: 1,456,784 km (0.09 R)
• M7: 1,659,190 km (0.101 R)
• M8: 2,968,919 km (0.077 R)
• M9: 3,401,407 km (0.086 R)
• M10: 3,703,146 km (0.101 R)
• M11: 4,487,039 km (0.09 R)
• M12: 4,715,774 km (0.101 R)
• M13: 6,135,906 km (0.102 R)
• M14: 6,459,038 km (0.115 R)
• M15: 6,624,792 km (0.07 R)
• M16: 6,964,828 km (0.118 R)
• M17: 7,542,126 km (0.102 R)
• M18: 9,254,423 km (0.094 R)
• M19: 11,329,346 km (0.095 R)
• M20: 14,957,094 km (0.089 R)
• M21: 16,066,363 km (0.1 R)
• M22: 16,757,505 km (0.103 R)
• M23: 17,790,628 km (0.103 R)
• M24: 18,199,179 km (0.079 R)
• M25: 22,920,638 km (0.093 R)
• M26: 27,412,164 km (0.064 R)
• M27: 28,955,715 km (0.11 R)
• M28: 36,885,300 km (0.102 R)
• M29: 40,005,014 km (0.084 R)
• M30: 41,129,990 km (0.12 R)
• M31: 47,540,558 km (0.087 R)
• M32: 48,011,193 km (0.092 R)
• M33: 58,805,128 km (0.097 R)
• M34: 61,921,850 km (0.071 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 14,930 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit