🌌 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: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.9

Radius: 14.7

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.73 AU - 0.75 AU

Year: 424 Days

Day: 9.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,905,805 km

• M1: 182,809 km (0.114 R)
• M2: 685,308 km (0.119 R)
• M3: 1,220,569 km (0.112 R)
• M4: 1,957,937 km (0.115 R)
• M5: 2,418,549 km (0.096 R)
• M6: 2,943,338 km (0.068 R)
• M7: 3,459,750 km (0.119 R)
• M8: 4,143,113 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.9

Radius: 9.1

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.79 AU - 0.91 AU

Year: 523 Days

Day: 13.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,905,805 km

• M1: 113,096 km (0.109 R)
• M2: 406,457 km (0.075 R)
• M3: 738,265 km (0.094 R)
• M4: 1,049,429 km (0.112 R)
• M5: 1,625,231 km (0.091 R)
• M6: 2,129,376 km (0.053 R)
• M7: 2,418,848 km (0.118 R)
• M8: 3,528,715 km (0.078 R)
• M9: 4,065,621 km (0.085 R)
• M10: 4,703,806 km (0.104 R)
• M11: 5,548,735 km (0.072 R)
• M12: 5,988,852 km (0.068 R)
• M13: 6,591,581 km (0.107 R)
• M14: 7,148,833 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.4

Radius: 13.6

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.03 AU - 1.41 AU

Year: 899 Days

Day: 8.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,905,805 km

• M1: 169,195 km (0.109 R)
• M2: 621,280 km (0.088 R)
• M3: 1,082,041 km (0.092 R)
• M4: 1,669,811 km (0.058 R)
• M5: 2,220,780 km (0.103 R)
• M6: 2,745,420 km (0.114 R)
• M7: 3,256,746 km (0.116 R)
• M8: 3,985,736 km (0.106 R)
• M9: 4,662,666 km (0.104 R)
• M10: 5,454,039 km (0.092 R)
• M11: 6,099,554 km (0.084 R)
• M12: 6,550,592 km (0.097 R)
• M13: 7,024,069 km (0.111 R)
• M14: 8,743,098 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.9

Radius: 13.4

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.5 AU - 1.62 AU

Year: 1299 Days

Day: 9.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,905,805 km

• M1: 166,652 km (0.119 R)
• M2: 682,615 km (0.116 R)
• M3: 1,159,832 km (0.072 R)
• M4: 1,669,811 km (0.05 R)
• M5: 2,319,216 km (0.074 R)
• M6: 3,827,013 km (0.096 R)
• M7: 4,693,035 km (0.11 R)
• M8: 5,604,684 km (0.1 R)
• M9: 6,653,814 km (0.106 R)
• M10: 7,165,738 km (0.053 R)
• M11: 7,703,842 km (0.105 R)
• M12: 8,944,606 km (0.101 R)
• M13: 10,041,907 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.9

Radius: 8.6

Gravity: 12.95 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.21 AU - 3.21 AU

Year: 2975 Days

Day: 6.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,905,805 km

• M1: 114,442 km (0.112 R)
• M2: 419,472 km (0.08 R)
• M3: 915,838 km (0.063 R)
• M4: 1,292,077 km (0.078 R)
• M5: 2,118,904 km (0.089 R)
• M6: 2,544,510 km (0.028 R)
• M7: 3,224,433 km (0.041 R)
• M8: 3,647,346 km (0.11 R)
• M9: 4,604,323 km (0.103 R)
• M10: 5,665,421 km (0.099 R)
• M11: 6,370,027 km (0.105 R)
• M12: 7,068,799 km (0.095 R)
• M13: 8,193,924 km (0.098 R)
• M14: 9,782,354 km (0.076 R)
• M15: 10,059,260 km (0.071 R)
• M16: 10,381,943 km (0.04 R)
• M17: 12,419,914 km (0.08 R)
• M18: 14,659,544 km (0.088 R)
• M19: 19,607,344 km (0.109 R)
• M20: 22,352,016 km (0.045 R)
• M21: 22,626,080 km (0.103 R)
• M22: 22,902,387 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.4

Radius: 10.4

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.12 AU - 4.74 AU

Year: 5195 Days

Day: 7.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,905,805 km

• M1: 129,851 km (0.118 R)
• M2: 461,210 km (0.102 R)
• M3: 1,167,013 km (0.077 R)
• M4: 1,491,042 km (0.092 R)
• M5: 3,836,587 km (0.114 R)
• M6: 5,289,631 km (0.09 R)
• M7: 10,810,092 km (0.054 R)
• M8: 15,735,452 km (0.091 R)
• M9: 17,780,904 km (0.102 R)
• M10: 19,616,170 km (0.061 R)
• M11: 19,997,795 km (0.072 R)
• M12: 21,506,938 km (0.117 R)
• M13: 23,090,731 km (0.104 R)

Asteroid Belt

Center: 5.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.2

Radius: 3.1

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.96 AU - 7.76 AU

Year: 13315 Days

Day: 21.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,905,805 km

• M1: 46,675 km (0.068 R)
• M2: 868,715 km (0.091 R)
• M3: 1,050,775 km (0.072 R)
• M4: 1,582,745 km (0.028 R)
• M5: 1,715,140 km (0.11 R)
• M6: 2,771,450 km (0.037 R)
• M7: 2,875,570 km (0.083 R)
• M8: 3,000,185 km (0.09 R)
• M9: 3,260,186 km (0.1 R)
• M10: 3,395,722 km (0.102 R)
• M11: 3,761,638 km (0.111 R)
• M12: 4,547,476 km (0.079 R)
• M13: 4,668,052 km (0.101 R)
• M14: 5,276,766 km (0.114 R)
• M15: 6,315,873 km (0.089 R)
• M16: 8,495,065 km (0.106 R)
• M17: 11,127,987 km (0.067 R)
• M18: 13,156,385 km (0.085 R)
• M19: 22,594,066 km (0.081 R)
• M20: 23,803,415 km (0.066 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 11,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit