🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.5

Radius: 11.8

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.49 AU - 0.55 AU

Year: 264 Days

Day: 10 Hours

Environment

Temp: -132 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,343,698 km

• M1: 147,055 km (0.099 R)
• M2: 622,926 km (0.114 R)
• M3: 1,008,888 km (0.096 R)
• M4: 1,418,786 km (0.026 R)
• M5: 2,022,114 km (0.109 R)
• M6: 2,460,735 km (0.118 R)
• M7: 2,953,212 km (0.07 R)
• M8: 4,052,606 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.3

Radius: 12.7

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.97 AU - 1.01 AU

Year: 692 Days

Day: 15 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,343,698 km

• M1: 180,415 km (0.089 R)
• M2: 578,794 km (0.103 R)
• M3: 1,027,887 km (0.113 R)
• M4: 1,696,589 km (0.106 R)
• M5: 2,106,637 km (0.094 R)
• M6: 3,453,616 km (0.092 R)
• M7: 4,149,546 km (0.113 R)
• M8: 5,137,340 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.3

Radius: 9.3

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.87 AU - 1.37 AU

Year: 833 Days

Day: 7.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,343,698 km

• M1: 115,639 km (0.093 R)
• M2: 533,316 km (0.09 R)
• M3: 980,913 km (0.114 R)
• M4: 1,274,275 km (0.065 R)
• M5: 1,977,833 km (0.057 R)
• M6: 3,302,971 km (0.114 R)
• M7: 3,674,273 km (0.074 R)
• M8: 4,057,393 km (0.119 R)
• M9: 4,501,101 km (0.109 R)
• M10: 7,083,459 km (0.109 R)
• M11: 7,901,460 km (0.102 R)
• M12: 8,230,426 km (0.082 R)
• M13: 9,079,394 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37

Radius: 11.9

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.95 AU - 3.07 AU

Year: 2795 Days

Day: 12.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,343,698 km

• M1: 149,448 km (0.096 R)
• M2: 634,295 km (0.06 R)
• M3: 1,173,745 km (0.047 R)
• M4: 1,764,656 km (0.115 R)
• M5: 2,590,138 km (0.106 R)
• M6: 3,289,807 km (0.092 R)
• M7: 4,185,898 km (0.101 R)
• M8: 6,299,118 km (0.053 R)
• M9: 7,677,961 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.8

Radius: 13.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.68 AU - 3.5 AU

Year: 3818 Days

Day: 6.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,343,698 km

• M1: 172,935 km (0.107 R)
• M2: 690,245 km (0.085 R)
• M3: 2,010,745 km (0.105 R)
• M4: 2,813,188 km (0.064 R)
• M5: 3,899,867 km (0.116 R)
• M6: 4,662,966 km (0.038 R)
• M7: 6,264,411 km (0.032 R)
• M8: 7,467,776 km (0.081 R)
• M9: 7,912,381 km (0.058 R)
• M10: 8,960,164 km (0.113 R)
• M11: 10,022,459 km (0.089 R)
• M12: 11,497,494 km (0.109 R)
• M13: 12,265,529 km (0.075 R)
• M14: 13,296,408 km (0.096 R)
• M15: 14,047,090 km (0.116 R)
• M16: 14,925,080 km (0.116 R)
• M17: 17,892,205 km (0.093 R)
• M18: 20,056,138 km (0.066 R)
• M19: 20,793,954 km (0.088 R)

Asteroid Belt

Center: 4.4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.6

Radius: 5

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.8 AU - 6.6 AU

Year: 9566 Days

Day: 22.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,343,698 km

• M1: 62,831 km (0.089 R)
• M2: 254,017 km (0.115 R)
• M3: 761,004 km (0.11 R)
• M4: 1,100,592 km (0.107 R)
• M5: 1,505,553 km (0.1 R)
• M6: 2,153,761 km (0.083 R)
• M7: 2,892,924 km (0.073 R)
• M8: 3,750,718 km (0.103 R)
• M9: 4,137,428 km (0.038 R)
• M10: 4,614,346 km (0.096 R)
• M11: 5,150,206 km (0.104 R)
• M12: 5,385,374 km (0.116 R)
• M13: 6,371,673 km (0.106 R)
• M14: 7,502,632 km (0.119 R)
• M15: 7,897,421 km (0.096 R)
• M16: 8,794,410 km (0.113 R)
• M17: 11,174,213 km (0.119 R)
• M18: 12,013,307 km (0.097 R)
• M19: 14,876,012 km (0.072 R)
• M20: 16,744,041 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.4

Radius: 3.9

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.44 AU - 9.06 AU

Year: 15166 Days

Day: 18.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,343,698 km

• M1: 366,066 km (0.086 R)
• M2: 524,341 km (0.083 R)
• M3: 774,618 km (0.101 R)
• M4: 1,172,847 km (0.086 R)
• M5: 1,523,206 km (0.082 R)
• M6: 2,854,776 km (0.113 R)
• M7: 8,059,884 km (0.051 R)
• M8: 8,748,483 km (0.106 R)
• M9: 23,693,460 km (0.103 R)
• M10: 26,645,924 km (0.114 R)
• M11: 28,438,406 km (0.079 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 10,602 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit