🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.6

Radius: 12

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.65 AU - 0.73 AU

Year: 396 Days

Day: 7.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 42,002,348 km

• M1: 154,235 km (0.058 R)
• M2: 653,294 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.6

Radius: 13.4

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.57 AU - 0.83 AU

Year: 404 Days

Day: 13.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 42,002,348 km

• M1: 166,802 km (0.057 R)
• M2: 720,164 km (0.086 R)
• M3: 1,438,533 km (0.098 R)
• M4: 1,921,285 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.1

Radius: 11.1

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.93 AU - 1.09 AU

Year: 701 Days

Day: 13.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,002,348 km

• M1: 138,228 km (0.088 R)
• M2: 484,099 km (0.111 R)
• M3: 834,307 km (0.101 R)
• M4: 1,271,881 km (0.045 R)
• M5: 1,840,054 km (0.072 R)
• M6: 2,222,276 km (0.11 R)
• M7: 2,755,593 km (0.098 R)
• M8: 3,666,644 km (0.044 R)
• M9: 4,278,948 km (0.11 R)
• M10: 4,738,662 km (0.073 R)
• M11: 5,185,062 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.2

Radius: 13.2

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.2 AU - 1.7 AU

Year: 1205 Days

Day: 10.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,002,348 km

• M1: 164,109 km (0.095 R)
• M2: 591,660 km (0.115 R)
• M3: 1,220,569 km (0.117 R)
• M4: 2,114,716 km (0.064 R)
• M5: 2,580,264 km (0.072 R)
• M6: 3,177,010 km (0.076 R)
• M7: 3,996,058 km (0.106 R)
• M8: 5,037,409 km (0.107 R)
• M9: 5,557,262 km (0.058 R)
• M10: 6,353,422 km (0.12 R)
• M11: 7,246,371 km (0.056 R)
• M12: 8,173,130 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.2

Radius: 11.6

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.25 AU - 2.03 AU

Year: 1450 Days

Day: 13.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,002,348 km

• M1: 144,960 km (0.056 R)
• M2: 604,076 km (0.112 R)
• M3: 1,036,115 km (0.103 R)
• M4: 1,642,734 km (0.078 R)
• M5: 2,106,936 km (0.083 R)
• M6: 2,523,866 km (0.09 R)
• M7: 3,091,739 km (0.11 R)
• M8: 4,153,286 km (0.107 R)
• M9: 4,520,698 km (0.116 R)
• M10: 5,587,929 km (0.066 R)
• M11: 6,059,163 km (0.05 R)
• M12: 6,580,062 km (0.083 R)
• M13: 6,984,276 km (0.09 R)
• M14: 8,600,980 km (0.108 R)
• M15: 9,318,900 km (0.113 R)
• M16: 10,201,228 km (0.12 R)
• M17: 10,646,731 km (0.114 R)
• M18: 11,171,819 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.2

Radius: 10.7

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.57 AU - 3.51 AU

Year: 3659 Days

Day: 6.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,002,348 km

• M1: 134,339 km (0.107 R)
• M2: 524,341 km (0.079 R)
• M3: 949,198 km (0.075 R)
• M4: 1,339,499 km (0.079 R)
• M5: 1,896,303 km (0.099 R)
• M6: 2,372,622 km (0.051 R)
• M7: 2,832,037 km (0.117 R)
• M8: 3,755,954 km (0.114 R)
• M9: 4,194,276 km (0.106 R)
• M10: 4,756,165 km (0.084 R)
• M11: 5,491,139 km (0.053 R)
• M12: 6,083,996 km (0.102 R)
• M13: 6,719,188 km (0.099 R)
• M14: 7,276,740 km (0.076 R)
• M15: 9,171,397 km (0.068 R)
• M16: 9,637,693 km (0.092 R)
• M17: 10,462,576 km (0.076 R)
• M18: 10,971,807 km (0.118 R)
• M19: 11,415,514 km (0.097 R)
• M20: 11,955,263 km (0.071 R)
• M21: 14,050,232 km (0.095 R)
• M22: 16,068,307 km (0.066 R)
• M23: 17,281,396 km (0.083 R)
• M24: 19,476,446 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.3

Radius: 9.5

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.85 AU - 5.35 AU

Year: 6810 Days

Day: 10.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,002,348 km

• M1: 122,820 km (0.06 R)
• M2: 765,044 km (0.112 R)
• M3: 1,310,029 km (0.089 R)
• M4: 1,935,796 km (0.08 R)
• M5: 2,416,604 km (0.111 R)
• M6: 2,956,204 km (0.068 R)
• M7: 3,444,042 km (0.098 R)
• M8: 3,844,516 km (0.091 R)
• M9: 4,686,303 km (0.1 R)
• M10: 5,150,954 km (0.119 R)
• M11: 5,706,411 km (0.09 R)
• M12: 6,765,713 km (0.117 R)
• M13: 7,076,129 km (0.089 R)
• M14: 7,432,321 km (0.096 R)
• M15: 8,733,823 km (0.062 R)
• M16: 10,047,442 km (0.063 R)
• M17: 10,406,776 km (0.04 R)
• M18: 12,487,832 km (0.106 R)
• M19: 16,507,676 km (0.114 R)
• M20: 17,072,109 km (0.089 R)
• M21: 19,252,199 km (0.036 R)
• M22: 21,242,449 km (0.064 R)
• M23: 26,045,887 km (0.099 R)
• M24: 27,155,753 km (0.089 R)
• M25: 29,469,434 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.9

Radius: 5.6

Gravity: 14.79 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.36 AU - 6.5 AU

Year: 9968 Days

Day: 16.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,002,348 km

• M1: 69,713 km (0.05 R)
• M2: 261,497 km (0.104 R)
• M3: 492,177 km (0.075 R)
• M4: 885,919 km (0.095 R)
• M5: 1,236,127 km (0.025 R)
• M6: 1,914,105 km (0.106 R)
• M7: 2,896,664 km (0.101 R)
• M8: 3,088,448 km (0.11 R)
• M9: 5,217,375 km (0.094 R)
• M10: 5,406,168 km (0.083 R)
• M11: 7,122,654 km (0.101 R)
• M12: 8,124,960 km (0.085 R)
• M13: 9,127,116 km (0.104 R)
• M14: 11,062,015 km (0.099 R)
• M15: 13,080,838 km (0.095 R)
• M16: 14,700,534 km (0.066 R)
• M17: 17,130,751 km (0.111 R)
• M18: 17,759,960 km (0.096 R)
• M19: 18,044,495 km (0.042 R)
• M20: 18,477,132 km (0.103 R)
• M21: 28,065,009 km (0.119 R)
• M22: 34,235,622 km (0.094 R)
• M23: 35,344,741 km (0.097 R)
• M24: 38,104,223 km (0.115 R)
• M25: 38,340,438 km (0.042 R)
• M26: 41,376,527 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 10,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit