🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232

Radius: 9.1

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.43 AU - 0.63 AU

Year: 262 Days

Day: 12.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,294,553 km

• M1: 113,096 km (0.115 R)
• M2: 499,956 km (0.065 R)
• M3: 938,427 km (0.097 R)
• M4: 1,279,511 km (0.115 R)
• M5: 1,779,766 km (0.111 R)
• M6: 2,548,849 km (0.083 R)
• M7: 2,869,287 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.9

Radius: 8.3

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.41 AU - 0.65 AU

Year: 262 Days

Day: 11.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 67,294,553 km

• M1: 103,223 km (0.117 R)
• M2: 371,152 km (0.075 R)
• M3: 631,901 km (0.038 R)
• M4: 1,257,370 km (0.101 R)
• M5: 1,595,760 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.2

Radius: 9.8

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.3 AU - 1.68 AU

Year: 1234 Days

Day: 11.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,294,553 km

• M1: 123,717 km (0.081 R)
• M2: 430,094 km (0.095 R)
• M3: 834,906 km (0.101 R)
• M4: 1,190,350 km (0.099 R)
• M5: 1,698,833 km (0.057 R)
• M6: 2,273,888 km (0.09 R)
• M7: 2,708,918 km (0.108 R)
• M8: 3,073,937 km (0.091 R)
• M9: 3,930,235 km (0.103 R)
• M10: 4,486,739 km (0.117 R)
• M11: 4,829,917 km (0.065 R)
• M12: 5,255,373 km (0.102 R)
• M13: 5,705,513 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.3

Radius: 9.3

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.4 AU - 2.08 AU

Year: 1557 Days

Day: 6.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,294,553 km

• M1: 115,639 km (0.048 R)
• M2: 511,326 km (0.071 R)
• M3: 830,867 km (0.056 R)
• M4: 1,325,437 km (0.05 R)
• M5: 1,619,247 km (0.078 R)
• M6: 2,411,218 km (0.089 R)
• M7: 2,974,454 km (0.079 R)
• M8: 4,089,108 km (0.093 R)
• M9: 5,121,782 km (0.09 R)
• M10: 5,751,889 km (0.09 R)
• M11: 6,075,020 km (0.095 R)
• M12: 6,455,747 km (0.107 R)
• M13: 6,804,758 km (0.093 R)
• M14: 7,389,686 km (0.098 R)
• M15: 8,194,373 km (0.1 R)
• M16: 8,856,493 km (0.095 R)
• M17: 9,200,718 km (0.071 R)
• M18: 9,613,608 km (0.12 R)
• M19: 10,700,287 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.6

Radius: 10.8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.06 AU - 2.84 AU

Year: 2601 Days

Day: 6.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,294,553 km

• M1: 134,339 km (0.077 R)
• M2: 1,207,404 km (0.106 R)
• M3: 1,668,016 km (0.116 R)
• M4: 2,088,685 km (0.109 R)
• M5: 2,530,149 km (0.034 R)
• M6: 3,294,744 km (0.106 R)
• M7: 4,242,296 km (0.091 R)
• M8: 4,608,213 km (0.113 R)
• M9: 5,725,559 km (0.105 R)
• M10: 6,767,060 km (0.065 R)
• M11: 8,122,865 km (0.117 R)
• M12: 8,517,205 km (0.107 R)
• M13: 10,321,056 km (0.106 R)
• M14: 11,260,681 km (0.109 R)
• M15: 11,894,377 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376

Radius: 10.2

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.64 AU - 4.04 AU

Year: 4140 Days

Day: 7.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,294,553 km

• M1: 128,953 km (0.077 R)
• M2: 490,531 km (0.109 R)
• M3: 1,009,187 km (0.064 R)
• M4: 1,709,754 km (0.119 R)
• M5: 2,222,725 km (0.092 R)
• M6: 3,263,178 km (0.056 R)
• M7: 3,616,080 km (0.045 R)
• M8: 5,729,000 km (0.034 R)
• M9: 8,768,081 km (0.086 R)
• M10: 9,454,585 km (0.038 R)
• M11: 10,215,739 km (0.114 R)
• M12: 18,945,374 km (0.096 R)
• M13: 19,664,341 km (0.079 R)
• M14: 20,277,393 km (0.069 R)
• M15: 20,777,050 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.6

Radius: 5.9

Gravity: 15.76 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.27 AU - 9.91 AU

Year: 18588 Days

Day: 17.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 154.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,294,553 km

• M1: 74,051 km (0.072 R)
• M2: 338,540 km (0.104 R)
• M3: 760,256 km (0.046 R)
• M4: 1,679,087 km (0.102 R)
• M5: 1,999,376 km (0.082 R)
• M6: 2,402,243 km (0.113 R)
• M7: 2,715,501 km (0.116 R)
• M8: 3,131,831 km (0.118 R)
• M9: 4,091,651 km (0.038 R)
• M10: 4,706,349 km (0.077 R)
• M11: 6,117,655 km (0.106 R)
• M12: 8,833,904 km (0.115 R)
• M13: 16,249,620 km (0.118 R)
• M14: 16,801,935 km (0.091 R)
• M15: 19,841,764 km (0.062 R)
• M16: 20,563,873 km (0.088 R)
• M17: 21,585,028 km (0.074 R)
• M18: 24,031,103 km (0.107 R)
• M19: 24,955,019 km (0.063 R)
• M20: 25,902,423 km (0.105 R)
• M21: 28,545,966 km (0.081 R)
• M22: 30,050,173 km (0.118 R)
• M23: 30,286,239 km (0.075 R)
• M24: 30,762,109 km (0.12 R)
• M25: 42,979,169 km (0.096 R)
• M26: 46,352,900 km (0.069 R)
• M27: 49,241,186 km (0.091 R)
• M28: 50,729,236 km (0.088 R)
• M29: 57,162,842 km (0.057 R)
• M30: 62,186,488 km (0.104 R)
• M31: 65,892,776 km (0.103 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: 190 - 11,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit