🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.4

Radius: 14.6

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.57 AU - 0.93 AU

Year: 419 Days

Day: 7.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,052,213 km

• M1: 181,612 km (0.115 R)
• M2: 674,238 km (0.069 R)
• M3: 1,134,849 km (0.064 R)
• M4: 1,907,074 km (0.114 R)
• M5: 2,634,867 km (0.115 R)
• M6: 3,248,219 km (0.039 R)
• M7: 4,925,211 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.5

Radius: 11.2

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.26 AU - 1.76 AU

Year: 1198 Days

Day: 11.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,052,213 km

• M1: 145,110 km (0.07 R)
• M2: 669,750 km (0.072 R)
• M3: 1,069,625 km (0.102 R)
• M4: 1,638,994 km (0.068 R)
• M5: 2,034,232 km (0.101 R)
• M6: 2,385,488 km (0.111 R)
• M7: 3,402,304 km (0.084 R)
• M8: 3,791,109 km (0.045 R)
• M9: 4,859,238 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991

Radius: 13.7

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.04 AU - 2.8 AU

Year: 2431 Days

Day: 8.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,052,213 km

• M1: 170,542 km (0.081 R)
• M2: 681,119 km (0.098 R)
• M3: 1,172,249 km (0.103 R)
• M4: 1,966,763 km (0.116 R)
• M5: 3,064,662 km (0.06 R)
• M6: 4,831,413 km (0.058 R)
• M7: 6,082,949 km (0.081 R)
• M8: 7,635,027 km (0.092 R)
• M9: 8,085,915 km (0.087 R)
• M10: 9,077,150 km (0.115 R)
• M11: 9,620,938 km (0.103 R)
• M12: 10,147,822 km (0.041 R)
• M13: 14,540,913 km (0.084 R)
• M14: 16,215,063 km (0.032 R)
• M15: 18,298,213 km (0.096 R)
• M16: 20,247,324 km (0.049 R)

Asteroid Belt

Center: 3.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.4

Radius: 9.2

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.51 AU - 3.81 AU

Year: 4521 Days

Day: 12.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,052,213 km

• M1: 146,157 km (0.05 R)
• M2: 444,455 km (0.106 R)
• M3: 1,048,382 km (0.104 R)
• M4: 1,694,345 km (0.118 R)
• M5: 2,423,037 km (0.096 R)
• M6: 3,456,608 km (0.105 R)
• M7: 4,946,454 km (0.11 R)
• M8: 5,873,811 km (0.047 R)
• M9: 8,003,785 km (0.08 R)
• M10: 10,289,790 km (0.12 R)
• M11: 15,080,213 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.5

Radius: 10.6

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.24 AU - 5.32 AU

Year: 7834 Days

Day: 8.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,052,213 km

• M1: 131,796 km (0.063 R)
• M2: 481,556 km (0.086 R)
• M3: 1,216,829 km (0.06 R)
• M4: 2,255,337 km (0.112 R)
• M5: 2,788,504 km (0.11 R)
• M6: 3,708,681 km (0.093 R)
• M7: 4,319,339 km (0.101 R)
• M8: 4,649,053 km (0.099 R)
• M9: 4,995,522 km (0.115 R)
• M10: 6,039,116 km (0.042 R)
• M11: 9,527,589 km (0.11 R)
• M12: 11,023,867 km (0.072 R)
• M13: 11,538,334 km (0.087 R)
• M14: 12,504,886 km (0.111 R)
• M15: 13,876,250 km (0.076 R)
• M16: 15,345,600 km (0.099 R)
• M17: 17,531,674 km (0.086 R)
• M18: 20,220,845 km (0.1 R)
• M19: 22,676,644 km (0.116 R)
• M20: 23,090,431 km (0.11 R)
• M21: 23,848,294 km (0.102 R)
• M22: 25,059,738 km (0.057 R)
• M23: 28,843,816 km (0.05 R)
• M24: 30,218,620 km (0.108 R)
• M25: 33,524,284 km (0.071 R)
• M26: 39,041,753 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.2

Radius: 14.9

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.32 AU - 5.54 AU

Year: 8170 Days

Day: 13.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,052,213 km

• M1: 185,352 km (0.115 R)
• M2: 684,111 km (0.098 R)
• M3: 1,576,762 km (0.102 R)
• M4: 2,199,089 km (0.095 R)
• M5: 2,788,654 km (0.102 R)
• M6: 3,284,720 km (0.059 R)
• M7: 4,107,060 km (0.045 R)
• M8: 4,654,139 km (0.049 R)
• M9: 5,441,024 km (0.083 R)
• M10: 5,954,743 km (0.103 R)
• M11: 7,417,511 km (0.071 R)
• M12: 8,160,265 km (0.11 R)
• M13: 10,342,748 km (0.1 R)
• M14: 10,910,921 km (0.117 R)
• M15: 11,499,888 km (0.097 R)
• M16: 12,110,097 km (0.106 R)
• M17: 14,879,752 km (0.116 R)
• M18: 20,531,111 km (0.038 R)
• M19: 22,573,720 km (0.074 R)
• M20: 23,606,843 km (0.111 R)
• M21: 27,721,981 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.5

Radius: 12

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.03 AU - 6.85 AU

Year: 9347 Days

Day: 8.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,052,213 km

• M1: 197,619 km (0.096 R)
• M2: 1,237,922 km (0.041 R)
• M3: 1,763,609 km (0.117 R)
• M4: 2,165,579 km (0.095 R)
• M5: 4,520,997 km (0.078 R)
• M6: 5,000,758 km (0.106 R)
• M7: 6,278,174 km (0.11 R)
• M8: 6,876,865 km (0.113 R)
• M9: 7,431,723 km (0.083 R)
• M10: 9,043,191 km (0.105 R)
• M11: 11,964,688 km (0.069 R)
• M12: 13,917,090 km (0.111 R)
• M13: 15,868,744 km (0.107 R)
• M14: 21,871,209 km (0.119 R)
• M15: 24,227,824 km (0.103 R)
• M16: 31,762,770 km (0.103 R)
• M17: 33,864,769 km (0.116 R)
• M18: 41,239,047 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.7

Radius: 6.1

Gravity: 15.15 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 9.35 AU - 11.69 AU

Year: 22031 Days

Day: 20.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,052,213 km

• M1: 79,137 km (0.033 R)
• M2: 490,083 km (0.11 R)
• M3: 1,139,337 km (0.101 R)
• M4: 1,395,898 km (0.052 R)
• M5: 1,638,695 km (0.084 R)
• M6: 2,127,282 km (0.039 R)
• M7: 2,473,302 km (0.06 R)
• M8: 5,624,730 km (0.039 R)
• M9: 8,636,734 km (0.107 R)
• M10: 9,290,776 km (0.104 R)
• M11: 13,634,051 km (0.109 R)
• M12: 14,444,422 km (0.078 R)
• M13: 14,670,914 km (0.102 R)
• M14: 15,759,238 km (0.025 R)
• M15: 23,235,092 km (0.093 R)
• M16: 23,546,106 km (0.117 R)
• M17: 23,965,280 km (0.118 R)
• M18: 24,926,446 km (0.086 R)
• M19: 29,753,521 km (0.107 R)
• M20: 33,165,100 km (0.106 R)
• M21: 38,107,066 km (0.094 R)
• M22: 43,204,912 km (0.117 R)
• M23: 51,499,366 km (0.093 R)
• M24: 54,180,310 km (0.113 R)
• M25: 72,022,848 km (0.081 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: 395 - 14,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit