🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.4

Radius: 8.8

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.66 AU - 0.8 AU

Year: 423 Days

Day: 7.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,342,133 km

• M1: 109,506 km (0.071 R)
• M2: 418,276 km (0.094 R)
• M3: 737,218 km (0.111 R)
• M4: 1,110,764 km (0.093 R)
• M5: 1,458,729 km (0.117 R)
• M6: 1,879,099 km (0.083 R)
• M7: 2,590,437 km (0.105 R)
• M8: 2,942,889 km (0.044 R)
• M9: 3,556,390 km (0.115 R)
• M10: 3,953,273 km (0.104 R)
• M11: 4,393,839 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.2

Radius: 12.4

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.78 AU - 0.92 AU

Year: 532 Days

Day: 5.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,342,133 km

• M1: 154,235 km (0.112 R)
• M2: 548,725 km (0.071 R)
• M3: 938,128 km (0.086 R)
• M4: 1,448,107 km (0.078 R)
• M5: 1,918,892 km (0.098 R)
• M6: 2,720,437 km (0.097 R)
• M7: 4,193,677 km (0.088 R)
• M8: 4,734,324 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.2

Radius: 14.9

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.5 AU - 2.22 AU

Year: 1721 Days

Day: 13 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,342,133 km

• M1: 186,698 km (0.078 R)
• M2: 1,601,296 km (0.056 R)
• M3: 2,155,406 km (0.108 R)
• M4: 2,908,183 km (0.087 R)
• M5: 4,114,091 km (0.081 R)
• M6: 4,661,918 km (0.057 R)
• M7: 5,676,790 km (0.089 R)
• M8: 6,213,248 km (0.073 R)
• M9: 8,407,999 km (0.051 R)
• M10: 8,921,119 km (0.109 R)
• M11: 10,484,268 km (0.054 R)
• M12: 11,367,493 km (0.074 R)
• M13: 11,996,104 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.3

Radius: 13.8

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.81 AU - 2.99 AU

Year: 2522 Days

Day: 10.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,342,133 km

• M1: 174,730 km (0.109 R)
• M2: 623,973 km (0.077 R)
• M3: 1,212,491 km (0.06 R)
• M4: 1,810,882 km (0.109 R)
• M5: 2,593,728 km (0.103 R)
• M6: 3,264,226 km (0.112 R)
• M7: 3,752,962 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.1

Radius: 10.9

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.93 AU - 5.21 AU

Year: 6626 Days

Day: 6.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,342,133 km

• M1: 135,536 km (0.037 R)
• M2: 690,843 km (0.079 R)
• M3: 1,100,741 km (0.057 R)
• M4: 1,586,785 km (0.094 R)
• M5: 2,646,686 km (0.116 R)
• M6: 3,361,315 km (0.112 R)
• M7: 4,151,491 km (0.029 R)
• M8: 4,896,338 km (0.074 R)
• M9: 5,788,540 km (0.099 R)
• M10: 6,419,693 km (0.063 R)
• M11: 7,272,401 km (0.105 R)
• M12: 8,354,293 km (0.108 R)
• M13: 9,712,343 km (0.119 R)
• M14: 10,062,701 km (0.111 R)
• M15: 11,500,785 km (0.093 R)
• M16: 12,092,893 km (0.119 R)
• M17: 13,337,847 km (0.119 R)
• M18: 18,571,080 km (0.069 R)
• M19: 18,975,742 km (0.082 R)
• M20: 20,653,632 km (0.117 R)
• M21: 21,307,524 km (0.118 R)
• M22: 22,276,619 km (0.112 R)
• M23: 24,868,103 km (0.045 R)
• M24: 26,448,156 km (0.066 R)
• M25: 29,258,800 km (0.113 R)
• M26: 31,972,805 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.8

Radius: 13.5

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.08 AU - 5.98 AU

Year: 7651 Days

Day: 5.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,342,133 km

• M1: 168,298 km (0.092 R)
• M2: 604,675 km (0.101 R)
• M3: 1,050,775 km (0.103 R)
• M4: 1,625,231 km (0.116 R)
• M5: 2,622,151 km (0.111 R)
• M6: 3,294,444 km (0.091 R)
• M7: 4,101,226 km (0.079 R)
• M8: 4,862,978 km (0.098 R)
• M9: 6,252,742 km (0.094 R)
• M10: 7,392,828 km (0.072 R)
• M11: 9,261,604 km (0.086 R)
• M12: 15,308,949 km (0.057 R)
• M13: 16,401,911 km (0.082 R)
• M14: 18,559,860 km (0.051 R)
• M15: 19,612,281 km (0.103 R)
• M16: 21,099,134 km (0.086 R)
• M17: 23,646,786 km (0.072 R)
• M18: 24,223,486 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449.3

Radius: 5.9

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.75 AU - 6.61 AU

Year: 9182 Days

Day: 17.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,342,133 km

• M1: 75,697 km (0.085 R)
• M2: 321,935 km (0.044 R)
• M3: 1,021,155 km (0.05 R)
• M4: 1,446,462 km (0.101 R)
• M5: 1,815,370 km (0.112 R)
• M6: 3,651,684 km (0.081 R)
• M7: 4,636,936 km (0.116 R)
• M8: 4,952,587 km (0.087 R)
• M9: 5,626,825 km (0.06 R)
• M10: 6,086,539 km (0.108 R)
• M11: 6,430,165 km (0.052 R)
• M12: 7,081,066 km (0.065 R)
• M13: 9,207,599 km (0.088 R)
• M14: 10,659,746 km (0.094 R)
• M15: 13,658,286 km (0.119 R)
• M16: 15,162,043 km (0.114 R)
• M17: 15,475,451 km (0.116 R)
• M18: 20,254,505 km (0.078 R)
• M19: 20,482,043 km (0.076 R)
• M20: 21,331,310 km (0.096 R)
• M21: 21,963,361 km (0.102 R)
• M22: 27,477,688 km (0.044 R)
• M23: 28,795,795 km (0.086 R)
• M24: 29,470,481 km (0.088 R)
• M25: 30,057,055 km (0.066 R)
• M26: 30,254,374 km (0.025 R)
• M27: 34,383,425 km (0.099 R)
• M28: 38,756,021 km (0.099 R)
• M29: 39,342,146 km (0.095 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 18,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit