🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.1

Radius: 8.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.66 AU - 1.08 AU

Year: 560 Days

Day: 14.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,023,167 km

• M1: 122,670 km (0.073 R)
• M2: 1,074,562 km (0.045 R)
• M3: 1,646,923 km (0.118 R)
• M4: 2,002,816 km (0.061 R)
• M5: 3,155,318 km (0.051 R)
• M6: 3,513,904 km (0.08 R)
• M7: 4,604,922 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.2

Radius: 13.5

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.87 AU - 0.99 AU

Year: 619 Days

Day: 7.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,023,167 km

• M1: 167,849 km (0.098 R)
• M2: 632,500 km (0.062 R)
• M3: 1,110,315 km (0.087 R)
• M4: 1,602,193 km (0.098 R)
• M5: 2,123,542 km (0.054 R)
• M6: 2,590,736 km (0.096 R)
• M7: 3,045,962 km (0.091 R)
• M8: 3,710,626 km (0.067 R)
• M9: 4,903,968 km (0.041 R)
• M10: 5,485,604 km (0.045 R)
• M11: 6,609,982 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.9

Radius: 9.4

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.97 AU - 1.17 AU

Year: 764 Days

Day: 9.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,023,167 km

• M1: 118,482 km (0.11 R)
• M2: 613,650 km (0.035 R)
• M3: 925,113 km (0.07 R)
• M4: 1,345,483 km (0.112 R)
• M5: 1,741,768 km (0.103 R)
• M6: 2,185,326 km (0.04 R)
• M7: 2,600,011 km (0.077 R)
• M8: 3,367,598 km (0.09 R)
• M9: 4,707,097 km (0.11 R)
• M10: 5,328,078 km (0.049 R)
• M11: 6,063,351 km (0.068 R)
• M12: 6,582,755 km (0.103 R)
• M13: 7,131,779 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555

Radius: 8.2

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.11 AU - 1.33 AU

Year: 930 Days

Day: 13.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,023,167 km

• M1: 102,475 km (0.114 R)
• M2: 374,892 km (0.103 R)
• M3: 783,743 km (0.077 R)
• M4: 1,061,995 km (0.041 R)
• M5: 1,936,844 km (0.055 R)
• M6: 2,781,772 km (0.093 R)
• M7: 3,147,240 km (0.053 R)
• M8: 3,417,863 km (0.067 R)
• M9: 3,689,233 km (0.074 R)
• M10: 4,195,173 km (0.094 R)
• M11: 6,179,140 km (0.096 R)
• M12: 6,627,335 km (0.057 R)
• M13: 8,178,216 km (0.092 R)
• M14: 8,824,330 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.8

Radius: 9.9

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.77 AU - 4.49 AU

Year: 4774 Days

Day: 5.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 57.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,023,167 km

• M1: 123,119 km (0.115 R)
• M2: 806,482 km (0.099 R)
• M3: 1,848,730 km (0.045 R)
• M4: 2,208,065 km (0.073 R)
• M5: 2,863,154 km (0.071 R)
• M6: 3,246,872 km (0.101 R)
• M7: 3,978,256 km (0.114 R)
• M8: 4,309,915 km (0.113 R)
• M9: 4,815,855 km (0.112 R)
• M10: 6,771,548 km (0.088 R)
• M11: 7,421,102 km (0.086 R)
• M12: 8,224,592 km (0.118 R)
• M13: 8,686,700 km (0.092 R)
• M14: 9,084,929 km (0.056 R)
• M15: 10,090,676 km (0.115 R)
• M16: 10,846,893 km (0.118 R)
• M17: 12,223,343 km (0.084 R)
• M18: 12,622,769 km (0.081 R)
• M19: 14,308,288 km (0.054 R)
• M20: 16,741,797 km (0.104 R)
• M21: 17,547,830 km (0.082 R)
• M22: 19,914,917 km (0.03 R)
• M23: 21,103,472 km (0.104 R)
• M24: 22,861,247 km (0.11 R)
• M25: 28,893,034 km (0.08 R)
• M26: 29,871,703 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.5

Radius: 3.4

Gravity: 49.18 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.6 AU - 8.36 AU

Year: 15560 Days

Day: 20.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,023,167 km

• M1: 42,336 km (0.076 R)
• M2: 160,369 km (0.096 R)
• M3: 313,856 km (0.108 R)
• M4: 601,982 km (0.093 R)
• M5: 768,185 km (0.031 R)
• M6: 909,555 km (0.116 R)
• M7: 1,218,774 km (0.109 R)
• M8: 1,707,061 km (0.092 R)
• M9: 1,913,506 km (0.036 R)
• M10: 2,417,950 km (0.073 R)
• M11: 2,792,394 km (0.102 R)
• M12: 4,520,399 km (0.089 R)
• M13: 5,052,070 km (0.112 R)
• M14: 5,735,882 km (0.106 R)
• M15: 6,119,600 km (0.091 R)
• M16: 6,895,415 km (0.061 R)
• M17: 7,373,380 km (0.057 R)
• M18: 7,734,659 km (0.11 R)
• M19: 7,919,562 km (0.069 R)
• M20: 10,043,851 km (0.106 R)
• M21: 10,264,060 km (0.068 R)
• M22: 10,375,360 km (0.119 R)
• M23: 15,665,590 km (0.116 R)
• M24: 17,978,523 km (0.103 R)
• M25: 18,221,619 km (0.104 R)
• M26: 23,267,406 km (0.074 R)
• M27: 27,315,674 km (0.1 R)
• M28: 36,381,903 km (0.108 R)
• M29: 36,901,008 km (0.111 R)
• M30: 37,031,607 km (0.089 R)
• M31: 39,707,763 km (0.091 R)
• M32: 41,233,212 km (0.112 R)
• M33: 42,223,999 km (0.065 R)
• M34: 55,549,878 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.3

Radius: 6.5

Gravity: 16.6 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.9 AU - 10.28 AU

Year: 22123 Days

Day: 21.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,023,167 km

• M1: 80,783 km (0.086 R)
• M2: 422,764 km (0.032 R)
• M3: 697,874 km (0.1 R)
• M4: 3,244,927 km (0.051 R)
• M5: 3,777,945 km (0.06 R)
• M6: 5,769,840 km (0.09 R)
• M7: 6,733,101 km (0.119 R)
• M8: 7,061,019 km (0.093 R)
• M9: 8,266,629 km (0.093 R)
• M10: 11,404,294 km (0.051 R)
• M11: 12,912,241 km (0.071 R)
• M12: 21,865,075 km (0.101 R)
• M13: 24,947,390 km (0.074 R)
• M14: 27,352,325 km (0.116 R)
• M15: 31,049,487 km (0.119 R)
• M16: 40,943,591 km (0.114 R)
• M17: 50,581,434 km (0.099 R)
• M18: 54,413,084 km (0.093 R)
• M19: 57,265,467 km (0.032 R)
• M20: 60,016,123 km (0.101 R)
• M21: 60,416,147 km (0.08 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: 311 - 14,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit