🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.7

Radius: 8.8

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.49 AU - 0.61 AU

Year: 272 Days

Day: 5.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,937,420 km

• M1: 109,655 km (0.11 R)
• M2: 411,095 km (0.12 R)
• M3: 707,000 km (0.092 R)
• M4: 1,004,699 km (0.08 R)
• M5: 1,387,969 km (0.089 R)
• M6: 1,879,996 km (0.033 R)
• M7: 2,241,126 km (0.098 R)
• M8: 2,553,785 km (0.089 R)
• M9: 2,912,521 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.1

Radius: 11.4

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.62 AU - 0.64 AU

Year: 333 Days

Day: 13.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,937,420 km

• M1: 142,417 km (0.092 R)
• M2: 567,425 km (0.06 R)
• M3: 1,095,954 km (0.105 R)
• M4: 1,494,034 km (0.093 R)
• M5: 1,943,127 km (0.06 R)
• M6: 2,303,658 km (0.088 R)
• M7: 2,660,748 km (0.064 R)
• M8: 3,547,115 km (0.062 R)
• M9: 3,925,149 km (0.082 R)
• M10: 4,439,317 km (0.108 R)
• M11: 4,953,335 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.8

Radius: 11.3

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.77 AU - 1.09 AU

Year: 598 Days

Day: 7.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,937,420 km

• M1: 142,866 km (0.112 R)
• M2: 526,734 km (0.119 R)
• M3: 1,141,133 km (0.115 R)
• M4: 1,547,590 km (0.09 R)
• M5: 2,109,629 km (0.085 R)
• M6: 3,889,395 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.2

Radius: 12.7

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.11 AU - 1.59 AU

Year: 1046 Days

Day: 10.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,937,420 km

• M1: 157,975 km (0.102 R)
• M2: 759,209 km (0.119 R)
• M3: 1,167,911 km (0.052 R)
• M4: 1,948,512 km (0.091 R)
• M5: 2,354,521 km (0.099 R)
• M6: 2,806,157 km (0.095 R)
• M7: 3,367,598 km (0.071 R)
• M8: 3,974,067 km (0.097 R)
• M9: 4,783,691 km (0.057 R)
• M10: 5,352,761 km (0.098 R)
• M11: 6,063,650 km (0.082 R)
• M12: 6,462,478 km (0.116 R)
• M13: 7,224,979 km (0.066 R)
• M14: 7,628,295 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932

Radius: 11.3

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.17 AU - 1.65 AU

Year: 1116 Days

Day: 12 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,937,420 km

• M1: 140,472 km (0.111 R)
• M2: 640,428 km (0.108 R)
• M3: 1,227,899 km (0.117 R)
• M4: 1,708,557 km (0.08 R)
• M5: 2,166,177 km (0.093 R)
• M6: 2,718,044 km (0.11 R)
• M7: 3,347,103 km (0.111 R)
• M8: 4,334,449 km (0.115 R)
• M9: 4,896,189 km (0.053 R)
• M10: 5,359,344 km (0.103 R)
• M11: 6,562,859 km (0.091 R)
• M12: 7,152,424 km (0.078 R)
• M13: 7,911,483 km (0.084 R)
• M14: 8,296,698 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.4

Radius: 11.4

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.71 AU - 2.81 AU

Year: 2266 Days

Day: 7.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,937,420 km

• M1: 141,819 km (0.106 R)
• M2: 845,677 km (0.09 R)
• M3: 1,283,400 km (0.105 R)
• M4: 1,830,928 km (0.086 R)
• M5: 2,352,726 km (0.065 R)
• M6: 2,871,382 km (0.108 R)
• M7: 3,384,801 km (0.109 R)
• M8: 3,994,562 km (0.111 R)
• M9: 4,421,664 km (0.108 R)
• M10: 5,151,552 km (0.116 R)
• M11: 5,842,844 km (0.104 R)
• M12: 6,519,625 km (0.103 R)
• M13: 7,007,912 km (0.104 R)
• M14: 8,058,389 km (0.077 R)
• M15: 9,694,690 km (0.083 R)
• M16: 10,094,116 km (0.069 R)
• M17: 11,579,324 km (0.054 R)
• M18: 12,258,648 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.6

Radius: 11

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.03 AU - 5.25 AU

Year: 6665 Days

Day: 6.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,937,420 km

• M1: 136,882 km (0.054 R)
• M2: 623,823 km (0.095 R)
• M3: 1,412,653 km (0.091 R)
• M4: 1,963,921 km (0.101 R)
• M5: 2,418,698 km (0.119 R)
• M6: 3,917,968 km (0.067 R)
• M7: 4,619,283 km (0.062 R)
• M8: 10,080,054 km (0.115 R)
• M9: 12,668,546 km (0.1 R)
• M10: 14,865,989 km (0.098 R)
• M11: 15,965,982 km (0.094 R)
• M12: 20,770,767 km (0.088 R)
• M13: 25,232,523 km (0.089 R)
• M14: 30,752,984 km (0.12 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 19,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit