🌌 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: 898.5

Radius: 11.6

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.39 AU - 0.63 AU

Year: 251 Days

Day: 12.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,185,398 km

• M1: 144,212 km (0.1 R)
• M2: 599,738 km (0.077 R)
• M3: 964,308 km (0.03 R)
• M4: 1,551,330 km (0.113 R)
• M5: 1,990,400 km (0.081 R)
• M6: 2,512,496 km (0.09 R)
• M7: 3,155,169 km (0.083 R)
• M8: 3,810,856 km (0.112 R)
• M9: 4,171,686 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.1

Radius: 12.1

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.54 AU - 0.56 AU

Year: 282 Days

Day: 12 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,185,398 km

• M1: 150,944 km (0.076 R)
• M2: 606,470 km (0.087 R)
• M3: 1,001,109 km (0.042 R)
• M4: 1,599,800 km (0.077 R)
• M5: 2,331,932 km (0.083 R)
• M6: 3,117,919 km (0.043 R)
• M7: 3,820,281 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.7

Radius: 14.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.58 AU - 0.76 AU

Year: 379 Days

Day: 6.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 23,185,398 km

• M1: 179,069 km (0.1 R)
• M2: 653,743 km (0.116 R)
• M3: 1,146,518 km (0.067 R)
• M4: 1,619,247 km (0.06 R)
• M5: 2,259,975 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.4

Radius: 13.1

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.75 AU - 0.87 AU

Year: 503 Days

Day: 11 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,185,398 km

• M1: 162,912 km (0.09 R)
• M2: 584,928 km (0.107 R)
• M3: 1,055,712 km (0.11 R)
• M4: 1,610,271 km (0.113 R)
• M5: 2,042,609 km (0.096 R)
• M6: 2,480,632 km (0.105 R)
• M7: 2,890,530 km (0.114 R)
• M8: 3,898,969 km (0.108 R)
• M9: 4,749,882 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102

Radius: 13.1

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.63 AU - 0.99 AU

Year: 503 Days

Day: 9.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 23,185,398 km

• M1: 162,912 km (0.099 R)
• M2: 621,579 km (0.086 R)
• M3: 2,084,048 km (0.102 R)
• M4: 3,278,288 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.5

Radius: 10.8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.75 AU - 0.95 AU

Year: 541 Days

Day: 7.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 23,185,398 km

• M1: 134,339 km (0.075 R)
• M2: 604,675 km (0.095 R)
• M3: 1,033,572 km (0.054 R)
• M4: 1,397,693 km (0.038 R)
• M5: 1,976,337 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.7

Radius: 9.9

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.94 AU - 1.24 AU

Year: 786 Days

Day: 8.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,185,398 km

• M1: 123,418 km (0.114 R)
• M2: 465,997 km (0.082 R)
• M3: 777,311 km (0.112 R)
• M4: 1,189,901 km (0.108 R)
• M5: 1,738,626 km (0.075 R)
• M6: 2,373,520 km (0.073 R)
• M7: 2,686,628 km (0.119 R)
• M8: 3,002,130 km (0.039 R)
• M9: 3,578,979 km (0.081 R)
• M10: 3,993,366 km (0.07 R)
• M11: 4,357,337 km (0.092 R)
• M12: 5,701,923 km (0.102 R)
• M13: 6,103,144 km (0.108 R)
• M14: 7,212,263 km (0.111 R)
• M15: 7,538,985 km (0.073 R)
• M16: 8,047,767 km (0.082 R)
• M17: 8,425,053 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.2

Radius: 11.2

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.73 AU - 1.99 AU

Year: 1751 Days

Day: 9.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,185,398 km

• M1: 140,173 km (0.106 R)
• M2: 509,381 km (0.106 R)
• M3: 904,170 km (0.103 R)
• M4: 1,446,312 km (0.051 R)
• M5: 1,809,985 km (0.096 R)
• M6: 2,348,836 km (0.116 R)
• M7: 2,770,553 km (0.06 R)
• M8: 3,575,838 km (0.07 R)
• M9: 3,987,082 km (0.094 R)
• M10: 4,409,846 km (0.117 R)
• M11: 4,884,071 km (0.078 R)
• M12: 5,910,612 km (0.074 R)
• M13: 7,992,865 km (0.107 R)
• M14: 8,356,687 km (0.109 R)
• M15: 8,955,377 km (0.107 R)
• M16: 9,718,177 km (0.045 R)
• M17: 11,035,685 km (0.05 R)
• M18: 13,293,117 km (0.085 R)
• M19: 13,805,041 km (0.061 R)
• M20: 14,868,233 km (0.073 R)
• M21: 15,280,824 km (0.027 R)

Planet 9 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.9

Radius: 12.6

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.86 AU - 1.92 AU

Year: 1794 Days

Day: 14.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,185,398 km

• M1: 156,629 km (0.118 R)
• M2: 663,915 km (0.036 R)
• M3: 1,512,135 km (0.101 R)
• M4: 1,905,727 km (0.102 R)
• M5: 2,457,594 km (0.115 R)
• M6: 3,560,280 km (0.104 R)
• M7: 5,203,313 km (0.092 R)
• M8: 6,515,885 km (0.063 R)
• M9: 9,135,344 km (0.091 R)
• M10: 9,987,902 km (0.069 R)
• M11: 11,402,200 km (0.089 R)
• M12: 12,905,659 km (0.066 R)

Planet 10 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.3

Radius: 10.3

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.25 AU - 3.03 AU

Year: 2961 Days

Day: 6.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 23,185,398 km

• M1: 128,056 km (0.066 R)
• M2: 696,228 km (0.093 R)
• M3: 2,285,706 km (0.098 R)
• M4: 3,483,686 km (0.1 R)
• M5: 4,006,231 km (0.114 R)
• M6: 4,331,008 km (0.095 R)
• M7: 4,720,561 km (0.118 R)
• M8: 5,158,434 km (0.115 R)
• M9: 6,696,898 km (0.085 R)
• M10: 7,219,294 km (0.094 R)
• M11: 7,735,556 km (0.111 R)
• M12: 8,415,479 km (0.045 R)
• M13: 9,024,192 km (0.081 R)
• M14: 10,531,989 km (0.107 R)
• M15: 11,112,130 km (0.089 R)
• M16: 11,496,297 km (0.059 R)
• M17: 11,845,159 km (0.061 R)
• M18: 12,518,350 km (0.106 R)
• M19: 13,216,822 km (0.095 R)
• M20: 14,039,760 km (0.073 R)
• M21: 14,947,819 km (0.112 R)
• M22: 16,936,873 km (0.079 R)
• M23: 18,141,135 km (0.101 R)
• M24: 18,794,280 km (0.113 R)
• M25: 21,302,288 km (0.087 R)
• M26: 21,962,613 km (0.067 R)
• M27: 23,185,426 km (0.118 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 16,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit