🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.2

Radius: 9.7

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.74 AU - 1.12 AU

Year: 619 Days

Day: 8.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,639,019 km

• M1: 120,576 km (0.081 R)
• M2: 457,021 km (0.107 R)
• M3: 794,813 km (0.113 R)
• M4: 1,177,485 km (0.107 R)
• M5: 1,607,728 km (0.108 R)
• M6: 1,940,135 km (0.044 R)
• M7: 2,271,045 km (0.117 R)
• M8: 2,714,005 km (0.11 R)
• M9: 3,189,875 km (0.093 R)
• M10: 3,499,094 km (0.077 R)
• M11: 3,910,339 km (0.092 R)
• M12: 4,265,484 km (0.117 R)
• M13: 5,341,990 km (0.057 R)
• M14: 6,166,873 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.3

Radius: 11.6

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.08 AU - 1.16 AU

Year: 818 Days

Day: 11.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,639,019 km

• M1: 146,307 km (0.076 R)
• M2: 649,554 km (0.092 R)
• M3: 1,047,484 km (0.102 R)
• M4: 1,487,900 km (0.026 R)
• M5: 2,012,091 km (0.078 R)
• M6: 2,514,441 km (0.067 R)
• M7: 2,929,426 km (0.057 R)
• M8: 3,390,337 km (0.084 R)
• M9: 4,119,776 km (0.113 R)
• M10: 4,614,496 km (0.082 R)
• M11: 5,367,272 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.5

Radius: 14.5

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.58 AU - 1.82 AU

Year: 1530 Days

Day: 5.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,639,019 km

• M1: 181,013 km (0.093 R)
• M2: 636,689 km (0.069 R)
• M3: 1,171,651 km (0.055 R)
• M4: 2,137,006 km (0.076 R)
• M5: 2,665,086 km (0.107 R)
• M6: 3,128,241 km (0.052 R)
• M7: 3,600,372 km (0.062 R)
• M8: 4,253,965 km (0.081 R)
• M9: 5,157,686 km (0.119 R)
• M10: 5,696,986 km (0.094 R)
• M11: 6,185,872 km (0.12 R)
• M12: 7,850,148 km (0.116 R)
• M13: 9,296,760 km (0.081 R)
• M14: 10,098,903 km (0.091 R)
• M15: 10,722,577 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.2

Radius: 12.5

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.42 AU - 2.2 AU

Year: 1681 Days

Day: 9.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,639,019 km

• M1: 155,432 km (0.102 R)
• M2: 1,019,360 km (0.07 R)
• M3: 2,062,655 km (0.12 R)
• M4: 2,505,016 km (0.064 R)
• M5: 4,174,080 km (0.064 R)
• M6: 4,582,033 km (0.094 R)
• M7: 5,850,474 km (0.102 R)
• M8: 7,938,411 km (0.118 R)
• M9: 9,361,536 km (0.034 R)
• M10: 10,875,765 km (0.078 R)
• M11: 11,502,580 km (0.09 R)
• M12: 11,920,856 km (0.052 R)
• M13: 12,388,948 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.5

Radius: 10.3

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.81 AU - 2.51 AU

Year: 2191 Days

Day: 14.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,639,019 km

• M1: 128,355 km (0.106 R)
• M2: 806,033 km (0.102 R)
• M3: 1,333,216 km (0.115 R)
• M4: 2,402,841 km (0.109 R)
• M5: 3,196,906 km (0.107 R)
• M6: 3,716,759 km (0.089 R)
• M7: 4,591,308 km (0.108 R)
• M8: 5,165,465 km (0.063 R)
• M9: 6,691,962 km (0.116 R)
• M10: 7,041,123 km (0.109 R)
• M11: 7,923,152 km (0.111 R)
• M12: 8,530,370 km (0.058 R)
• M13: 10,829,091 km (0.113 R)
• M14: 12,200,155 km (0.117 R)
• M15: 12,763,391 km (0.06 R)
• M16: 13,301,943 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.7

Radius: 10.8

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.93 AU - 3.13 AU

Year: 2778 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,639,019 km

• M1: 134,339 km (0.073 R)
• M2: 645,964 km (0.1 R)
• M3: 1,152,352 km (0.085 R)
• M4: 1,661,733 km (0.108 R)
• M5: 2,090,181 km (0.107 R)
• M6: 3,683,848 km (0.108 R)
• M7: 4,206,543 km (0.071 R)
• M8: 4,732,229 km (0.109 R)
• M9: 5,179,228 km (0.118 R)
• M10: 5,810,232 km (0.097 R)
• M11: 6,295,677 km (0.045 R)
• M12: 7,286,763 km (0.116 R)
• M13: 8,178,516 km (0.094 R)
• M14: 8,650,946 km (0.096 R)
• M15: 8,999,359 km (0.105 R)
• M16: 9,503,055 km (0.111 R)
• M17: 10,063,598 km (0.09 R)
• M18: 11,878,221 km (0.097 R)
• M19: 14,044,099 km (0.108 R)
• M20: 15,473,506 km (0.11 R)
• M21: 15,936,212 km (0.119 R)
• M22: 16,674,328 km (0.101 R)
• M23: 17,435,183 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.5

Radius: 11.4

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.24 AU - 5.52 AU

Year: 8614 Days

Day: 10 Hours

Environment

Temp: -222 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,639,019 km

• M1: 142,716 km (0.096 R)
• M2: 605,273 km (0.086 R)
• M3: 1,260,661 km (0.088 R)
• M4: 2,075,222 km (0.069 R)
• M5: 2,634,568 km (0.027 R)
• M6: 3,272,304 km (0.029 R)
• M7: 3,628,347 km (0.1 R)
• M8: 4,672,839 km (0.084 R)
• M9: 5,907,770 km (0.089 R)
• M10: 6,634,217 km (0.077 R)
• M11: 7,313,541 km (0.074 R)
• M12: 8,891,050 km (0.119 R)
• M13: 9,422,422 km (0.043 R)
• M14: 10,866,939 km (0.076 R)
• M15: 12,555,001 km (0.097 R)
• M16: 13,276,811 km (0.095 R)
• M17: 14,803,607 km (0.109 R)
• M18: 17,944,414 km (0.103 R)
• M19: 18,993,843 km (0.062 R)
• M20: 21,143,116 km (0.106 R)
• M21: 22,688,163 km (0.061 R)
• M22: 23,681,642 km (0.119 R)
• M23: 24,465,385 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194

Radius: 7.8

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.76 AU - 8.34 AU

Year: 15765 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,639,019 km

• M1: 96,939 km (0.099 R)
• M2: 353,500 km (0.046 R)
• M3: 761,752 km (0.103 R)
• M4: 1,081,742 km (0.053 R)
• M5: 1,439,431 km (0.118 R)
• M6: 2,758,884 km (0.115 R)
• M7: 3,248,817 km (0.101 R)
• M8: 6,394,711 km (0.081 R)
• M9: 7,174,863 km (0.054 R)
• M10: 7,528,064 km (0.109 R)
• M11: 9,378,291 km (0.118 R)
• M12: 10,785,258 km (0.06 R)
• M13: 16,988,933 km (0.119 R)
• M14: 18,188,408 km (0.115 R)
• M15: 18,624,935 km (0.111 R)
• M16: 19,670,624 km (0.074 R)
• M17: 26,131,008 km (0.1 R)
• M18: 35,094,464 km (0.045 R)
• M19: 35,544,604 km (0.105 R)
• M20: 36,456,403 km (0.092 R)
• M21: 37,853,198 km (0.089 R)
• M22: 38,326,675 km (0.037 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 14,789 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit