🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.7

Radius: 13.5

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.51 AU - 0.69 AU

Year: 315 Days

Day: 12.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,742,889 km

• M1: 167,849 km (0.064 R)
• M2: 611,406 km (0.075 R)
• M3: 1,035,217 km (0.101 R)
• M4: 1,457,382 km (0.11 R)
• M5: 2,115,463 km (0.114 R)
• M6: 2,748,412 km (0.074 R)
• M7: 3,271,406 km (0.08 R)
• M8: 3,751,615 km (0.067 R)
• M9: 4,425,105 km (0.096 R)
• M10: 5,133,301 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.5

Radius: 9.3

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.13 AU - 1.13 AU

Year: 815 Days

Day: 7.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,742,889 km

• M1: 115,639 km (0.084 R)
• M2: 409,001 km (0.06 R)
• M3: 781,499 km (0.101 R)
• M4: 1,186,910 km (0.105 R)
• M5: 1,564,046 km (0.097 R)
• M6: 1,959,882 km (0.102 R)
• M7: 2,363,048 km (0.093 R)
• M8: 2,701,139 km (0.115 R)
• M9: 3,142,453 km (0.095 R)
• M10: 4,497,361 km (0.073 R)
• M11: 5,305,040 km (0.115 R)
• M12: 6,111,671 km (0.116 R)
• M13: 6,417,449 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.9

Radius: 10.6

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.1 AU - 1.38 AU

Year: 937 Days

Day: 6.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,742,889 km

• M1: 132,245 km (0.114 R)
• M2: 507,436 km (0.092 R)
• M3: 977,323 km (0.036 R)
• M4: 1,640,191 km (0.118 R)
• M5: 2,064,301 km (0.065 R)
• M6: 2,613,176 km (0.098 R)
• M7: 3,519,888 km (0.092 R)
• M8: 4,017,900 km (0.113 R)
• M9: 4,425,554 km (0.1 R)
• M10: 5,105,626 km (0.111 R)
• M11: 5,514,776 km (0.06 R)
• M12: 5,945,618 km (0.116 R)
• M13: 6,418,347 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328

Radius: 11.1

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.54 AU - 2.08 AU

Year: 1652 Days

Day: 9 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,742,889 km

• M1: 138,079 km (0.098 R)
• M2: 527,931 km (0.104 R)
• M3: 1,030,729 km (0.103 R)
• M4: 1,705,865 km (0.083 R)
• M5: 2,106,787 km (0.119 R)
• M6: 3,417,115 km (0.117 R)
• M7: 3,832,997 km (0.092 R)
• M8: 4,282,538 km (0.068 R)
• M9: 5,071,517 km (0.115 R)
• M10: 5,593,913 km (0.118 R)
• M11: 6,019,968 km (0.073 R)
• M12: 7,034,241 km (0.1 R)
• M13: 7,430,077 km (0.087 R)
• M14: 8,131,991 km (0.067 R)
• M15: 9,941,676 km (0.11 R)
• M16: 10,409,469 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.2

Radius: 13.3

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.55 AU - 3.49 AU

Year: 3560 Days

Day: 14.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 175.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,742,889 km

• M1: 170,990 km (0.082 R)
• M2: 686,205 km (0.044 R)
• M3: 1,409,960 km (0.104 R)
• M4: 1,872,666 km (0.087 R)
• M5: 2,407,628 km (0.107 R)
• M6: 3,206,331 km (0.041 R)
• M7: 3,811,604 km (0.085 R)
• M8: 4,515,612 km (0.09 R)
• M9: 4,998,514 km (0.068 R)
• M10: 6,568,095 km (0.076 R)
• M11: 8,808,472 km (0.033 R)
• M12: 9,801,802 km (0.118 R)
• M13: 10,574,026 km (0.095 R)
• M14: 10,996,491 km (0.113 R)
• M15: 11,518,438 km (0.065 R)
• M16: 13,087,570 km (0.098 R)
• M17: 14,227,057 km (0.066 R)
• M18: 14,952,457 km (0.051 R)
• M19: 15,921,253 km (0.119 R)
• M20: 16,477,308 km (0.093 R)
• M21: 17,983,908 km (0.054 R)
• M22: 23,551,342 km (0.112 R)
• M23: 24,128,042 km (0.104 R)
• M24: 24,640,564 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.6

Radius: 4.1

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.43 AU - 6.43 AU

Year: 11059 Days

Day: 22 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,742,889 km

• M1: 51,162 km (0.114 R)
• M2: 240,853 km (0.093 R)
• M3: 424,260 km (0.084 R)
• M4: 719,416 km (0.098 R)
• M5: 867,967 km (0.081 R)
• M6: 1,269,039 km (0.118 R)
• M7: 1,706,313 km (0.12 R)
• M8: 2,346,143 km (0.084 R)
• M9: 4,914,140 km (0.079 R)
• M10: 6,975,300 km (0.056 R)
• M11: 9,307,082 km (0.098 R)
• M12: 13,600,690 km (0.067 R)
• M13: 14,335,814 km (0.103 R)
• M14: 15,713,760 km (0.072 R)
• M15: 22,904,930 km (0.058 R)
• M16: 24,322,071 km (0.114 R)
• M17: 24,627,699 km (0.085 R)
• M18: 24,935,871 km (0.11 R)
• M19: 25,168,645 km (0.057 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: 380 - 11,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit