🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.6

Radius: 9.4

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.44 AU - 0.58 AU

Year: 251 Days

Day: 7.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,425,743 km

• M1: 116,836 km (0.117 R)
• M2: 672,592 km (0.117 R)
• M3: 1,119,291 km (0.076 R)
• M4: 1,693,149 km (0.1 R)
• M5: 2,084,646 km (0.073 R)
• M6: 2,692,462 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.3

Radius: 11.2

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.49 AU - 0.55 AU

Year: 259 Days

Day: 9.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 32,425,743 km

• M1: 139,276 km (0.108 R)
• M2: 615,296 km (0.032 R)
• M3: 1,393,355 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.6

Radius: 8

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.62 AU - 0.78 AU

Year: 404 Days

Day: 14.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,425,743 km

• M1: 103,971 km (0.1 R)
• M2: 409,749 km (0.086 R)
• M3: 659,577 km (0.057 R)
• M4: 958,623 km (0.072 R)
• M5: 2,068,939 km (0.088 R)
• M6: 3,604,860 km (0.117 R)
• M7: 3,880,718 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.5

Radius: 14.3

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.81 AU - 0.99 AU

Year: 589 Days

Day: 10.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,425,743 km

• M1: 181,163 km (0.068 R)
• M2: 713,133 km (0.103 R)
• M3: 1,584,541 km (0.06 R)
• M4: 2,214,796 km (0.098 R)
• M5: 2,781,772 km (0.092 R)
• M6: 5,031,425 km (0.102 R)
• M7: 5,700,277 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.2

Radius: 12

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.65 AU - 2.01 AU

Year: 1709 Days

Day: 8.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,425,743 km

• M1: 149,448 km (0.116 R)
• M2: 784,641 km (0.08 R)
• M3: 1,162,525 km (0.106 R)
• M4: 1,794,576 km (0.102 R)
• M5: 2,389,377 km (0.093 R)
• M6: 3,380,014 km (0.054 R)
• M7: 4,007,877 km (0.077 R)
• M8: 4,626,314 km (0.119 R)
• M9: 5,751,739 km (0.086 R)
• M10: 6,220,728 km (0.106 R)
• M11: 6,938,050 km (0.076 R)
• M12: 8,960,613 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.5

Radius: 13.7

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.97 AU - 2.63 AU

Year: 2408 Days

Day: 13.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,425,743 km

• M1: 171,140 km (0.095 R)
• M2: 627,862 km (0.068 R)
• M3: 1,206,507 km (0.09 R)
• M4: 1,813,874 km (0.066 R)
• M5: 2,292,139 km (0.115 R)
• M6: 3,934,873 km (0.06 R)
• M7: 4,850,113 km (0.062 R)
• M8: 6,310,337 km (0.062 R)
• M9: 6,918,004 km (0.093 R)
• M10: 7,344,657 km (0.078 R)
• M11: 7,845,660 km (0.118 R)
• M12: 9,041,396 km (0.119 R)
• M13: 10,286,649 km (0.107 R)
• M14: 11,606,102 km (0.072 R)
• M15: 12,210,627 km (0.077 R)
• M16: 12,915,532 km (0.111 R)
• M17: 13,939,679 km (0.049 R)
• M18: 14,579,659 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.1

Radius: 11

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.53 AU - 3.97 AU

Year: 5013 Days

Day: 8 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,425,743 km

• M1: 136,882 km (0.117 R)
• M2: 497,413 km (0.078 R)
• M3: 1,476,980 km (0.106 R)
• M4: 1,915,302 km (0.051 R)
• M5: 2,361,702 km (0.084 R)
• M6: 2,737,192 km (0.103 R)
• M7: 3,171,774 km (0.063 R)
• M8: 3,568,807 km (0.096 R)
• M9: 5,095,752 km (0.081 R)
• M10: 5,902,234 km (0.056 R)
• M11: 7,085,254 km (0.12 R)
• M12: 7,733,013 km (0.051 R)
• M13: 8,645,111 km (0.067 R)
• M14: 9,465,506 km (0.115 R)
• M15: 11,443,040 km (0.1 R)
• M16: 16,314,845 km (0.088 R)
• M17: 16,843,523 km (0.047 R)
• M18: 17,383,721 km (0.083 R)
• M19: 18,625,533 km (0.117 R)
• M20: 19,859,267 km (0.077 R)
• M21: 21,077,442 km (0.059 R)
• M22: 21,775,466 km (0.089 R)
• M23: 22,778,370 km (0.048 R)
• M24: 23,365,093 km (0.058 R)
• M25: 24,799,288 km (0.094 R)
• M26: 27,510,600 km (0.061 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.9

Radius: 12.6

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.39 AU - 4.35 AU

Year: 5255 Days

Day: 10.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,425,743 km

• M1: 156,629 km (0.103 R)
• M2: 666,907 km (0.059 R)
• M3: 1,090,419 km (0.081 R)
• M4: 2,085,694 km (0.114 R)
• M5: 2,886,790 km (0.036 R)
• M6: 3,681,005 km (0.051 R)
• M7: 5,097,996 km (0.05 R)
• M8: 6,132,765 km (0.095 R)
• M9: 10,036,970 km (0.065 R)
• M10: 10,619,654 km (0.106 R)
• M11: 12,761,596 km (0.112 R)
• M12: 14,716,990 km (0.081 R)
• M13: 17,115,941 km (0.115 R)
• M14: 20,538,740 km (0.051 R)
• M15: 21,405,959 km (0.089 R)
• M16: 22,600,050 km (0.1 R)
• M17: 25,448,393 km (0.097 R)
• M18: 29,881,875 km (0.034 R)
• M19: 30,435,238 km (0.108 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 19,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit