🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.7

Radius: 10.9

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.04 AU - 1.18 AU

Year: 793 Days

Day: 11.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,582,719 km

• M1: 135,685 km (0.059 R)
• M2: 616,343 km (0.101 R)
• M3: 1,382,733 km (0.078 R)
• M4: 1,798,166 km (0.106 R)
• M5: 2,244,118 km (0.109 R)
• M6: 3,144,547 km (0.032 R)
• M7: 3,589,601 km (0.119 R)
• M8: 4,140,420 km (0.107 R)
• M9: 4,980,263 km (0.102 R)
• M10: 5,971,049 km (0.077 R)
• M11: 6,746,116 km (0.066 R)
• M12: 7,957,560 km (0.102 R)
• M13: 9,477,175 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.3

Radius: 13.7

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.09 AU - 1.35 AU

Year: 914 Days

Day: 14.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,582,719 km

• M1: 170,841 km (0.055 R)
• M2: 730,636 km (0.091 R)
• M3: 1,232,686 km (0.116 R)
• M4: 1,665,922 km (0.091 R)
• M5: 2,223,024 km (0.054 R)
• M6: 2,786,859 km (0.118 R)
• M7: 4,145,207 km (0.102 R)
• M8: 4,586,521 km (0.088 R)
• M9: 5,471,991 km (0.11 R)
• M10: 6,427,173 km (0.104 R)
• M11: 7,698,456 km (0.058 R)
• M12: 8,149,643 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.3

Radius: 14.7

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.09 AU - 1.77 AU

Year: 1160 Days

Day: 9.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,582,719 km

• M1: 184,604 km (0.085 R)
• M2: 652,845 km (0.06 R)
• M3: 1,145,770 km (0.1 R)
• M4: 1,761,515 km (0.1 R)
• M5: 2,615,569 km (0.097 R)
• M6: 4,132,791 km (0.09 R)
• M7: 4,879,883 km (0.114 R)
• M8: 5,802,602 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.3

Radius: 11

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.78 AU - 1.98 AU

Year: 1748 Days

Day: 5.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,582,719 km

• M1: 136,882 km (0.106 R)
• M2: 850,464 km (0.085 R)
• M3: 1,374,804 km (0.077 R)
• M4: 1,745,807 km (0.04 R)
• M5: 2,228,709 km (0.092 R)
• M6: 2,683,187 km (0.113 R)
• M7: 3,085,306 km (0.077 R)
• M8: 3,527,667 km (0.111 R)
• M9: 4,522,344 km (0.102 R)
• M10: 5,115,200 km (0.052 R)
• M11: 5,716,284 km (0.101 R)
• M12: 9,513,976 km (0.101 R)
• M13: 9,977,729 km (0.065 R)
• M14: 11,219,990 km (0.109 R)
• M15: 11,878,669 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.6

Radius: 11.6

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.21 AU - 2.59 AU

Year: 2522 Days

Day: 12.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,582,719 km

• M1: 145,559 km (0.068 R)
• M2: 594,352 km (0.112 R)
• M3: 1,251,087 km (0.107 R)
• M4: 1,836,613 km (0.089 R)
• M5: 2,709,367 km (0.119 R)
• M6: 4,285,680 km (0.088 R)
• M7: 5,771,187 km (0.11 R)
• M8: 6,291,039 km (0.087 R)
• M9: 7,080,766 km (0.106 R)
• M10: 8,040,287 km (0.114 R)
• M11: 8,913,789 km (0.119 R)
• M12: 9,432,445 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.5

Radius: 5.8

Gravity: 12.47 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.87 AU - 7.83 AU

Year: 10853 Days

Day: 20.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,582,719 km

• M1: 74,949 km (0.062 R)
• M2: 481,107 km (0.091 R)
• M3: 672,891 km (0.077 R)
• M4: 974,481 km (0.11 R)
• M5: 1,254,229 km (0.114 R)
• M6: 1,478,476 km (0.074 R)
• M7: 3,297,287 km (0.036 R)
• M8: 5,059,550 km (0.05 R)
• M9: 7,212,263 km (0.112 R)
• M10: 7,978,054 km (0.083 R)
• M11: 8,230,875 km (0.046 R)
• M12: 13,566,283 km (0.113 R)
• M13: 13,805,789 km (0.042 R)
• M14: 14,541,362 km (0.084 R)
• M15: 16,630,346 km (0.068 R)
• M16: 19,664,640 km (0.113 R)
• M17: 20,516,450 km (0.119 R)
• M18: 23,561,964 km (0.065 R)
• M19: 26,708,007 km (0.091 R)
• M20: 28,430,028 km (0.1 R)
• M21: 42,859,491 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.1

Radius: 4.2

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.47 AU - 9.91 AU

Year: 15897 Days

Day: 21.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 44,582,719 km

• M1: 52,210 km (0.072 R)
• M2: 259,702 km (0.07 R)
• M3: 601,084 km (0.09 R)
• M4: 799,301 km (0.085 R)
• M5: 978,370 km (0.071 R)
• M6: 1,242,560 km (0.083 R)
• M7: 1,637,947 km (0.109 R)
• M8: 1,833,472 km (0.118 R)
• M9: 2,147,178 km (0.113 R)
• M10: 2,923,591 km (0.058 R)
• M11: 3,076,630 km (0.096 R)
• M12: 4,616,740 km (0.078 R)
• M13: 5,719,276 km (0.114 R)
• M14: 6,349,831 km (0.075 R)
• M15: 6,644,389 km (0.117 R)
• M16: 7,706,086 km (0.082 R)
• M17: 8,126,605 km (0.081 R)
• M18: 8,695,825 km (0.098 R)
• M19: 9,059,049 km (0.099 R)
• M20: 10,011,389 km (0.043 R)
• M21: 13,266,190 km (0.077 R)
• M22: 14,365,136 km (0.09 R)
• M23: 16,057,686 km (0.108 R)
• M24: 17,446,702 km (0.075 R)
• M25: 19,832,489 km (0.119 R)
• M26: 20,461,249 km (0.103 R)
• M27: 21,022,091 km (0.075 R)
• M28: 21,510,977 km (0.081 R)
• M29: 23,455,600 km (0.029 R)
• M30: 24,069,849 km (0.115 R)
• M31: 28,080,717 km (0.055 R)
• M32: 29,274,658 km (0.064 R)
• M33: 38,959,474 km (0.108 R)
• M34: 40,819,873 km (0.088 R)
• M35: 43,522,509 km (0.075 R)
• M36: 43,654,155 km (0.08 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 10,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit