🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.1

Radius: 12.2

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.91 AU - 0.99 AU

Year: 598 Days

Day: 7.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 87 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 34,984,737 km

• M1: 151,842 km (0.1 R)
• M2: 671,844 km (0.097 R)
• M3: 1,156,392 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.3

Radius: 14.2

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.32 AU - 1.5 AU

Year: 1081 Days

Day: 7.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,984,737 km

• M1: 176,525 km (0.091 R)
• M2: 727,195 km (0.085 R)
• M3: 1,218,026 km (0.11 R)
• M4: 1,736,233 km (0.114 R)
• M5: 2,239,779 km (0.059 R)
• M6: 2,816,330 km (0.107 R)
• M7: 3,334,088 km (0.117 R)
• M8: 4,494,369 km (0.111 R)
• M9: 5,283,647 km (0.087 R)
• M10: 6,163,881 km (0.115 R)
• M11: 7,187,430 km (0.109 R)
• M12: 7,879,918 km (0.105 R)
• M13: 9,057,553 km (0.119 R)
• M14: 9,513,976 km (0.12 R)
• M15: 10,380,297 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.1

Radius: 9

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.27 AU - 1.95 AU

Year: 1319 Days

Day: 12.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,984,737 km

• M1: 112,647 km (0.112 R)
• M2: 397,482 km (0.066 R)
• M3: 749,635 km (0.119 R)
• M4: 1,559,408 km (0.099 R)
• M5: 1,847,384 km (0.096 R)
• M6: 2,160,044 km (0.065 R)
• M7: 2,558,872 km (0.11 R)
• M8: 2,935,409 km (0.095 R)
• M9: 3,457,955 km (0.046 R)
• M10: 4,708,294 km (0.039 R)
• M11: 5,511,784 km (0.087 R)
• M12: 6,821,364 km (0.104 R)
• M13: 8,384,811 km (0.057 R)
• M14: 10,406,028 km (0.054 R)
• M15: 11,727,426 km (0.108 R)
• M16: 12,316,093 km (0.062 R)
• M17: 13,118,387 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766

Radius: 14.2

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.79 AU - 2.91 AU

Year: 2326 Days

Day: 6.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,984,737 km

• M1: 176,675 km (0.12 R)
• M2: 710,739 km (0.08 R)
• M3: 1,191,397 km (0.08 R)
• M4: 2,277,029 km (0.12 R)
• M5: 3,015,145 km (0.109 R)
• M6: 3,485,331 km (0.118 R)
• M7: 4,103,170 km (0.103 R)
• M8: 4,705,751 km (0.114 R)
• M9: 5,178,629 km (0.045 R)
• M10: 6,708,417 km (0.089 R)
• M11: 7,487,972 km (0.037 R)
• M12: 8,786,481 km (0.12 R)
• M13: 10,605,591 km (0.095 R)
• M14: 11,383,650 km (0.119 R)
• M15: 12,157,669 km (0.106 R)
• M16: 15,560,722 km (0.098 R)
• M17: 16,108,250 km (0.071 R)
• M18: 16,772,016 km (0.064 R)
• M19: 17,882,630 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.3

Radius: 11.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.9 AU - 3 AU

Year: 3272 Days

Day: 8.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,984,737 km

• M1: 147,952 km (0.095 R)
• M2: 701,016 km (0.11 R)
• M3: 2,535,834 km (0.036 R)
• M4: 3,524,376 km (0.101 R)
• M5: 5,659,587 km (0.101 R)
• M6: 7,975,062 km (0.086 R)
• M7: 8,788,875 km (0.072 R)
• M8: 10,661,391 km (0.115 R)
• M9: 11,230,312 km (0.099 R)
• M10: 15,029,051 km (0.101 R)
• M11: 19,072,831 km (0.094 R)
• M12: 20,650,789 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.3

Radius: 9

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3 AU - 3.28 AU

Year: 3593 Days

Day: 10.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,984,737 km

• M1: 112,049 km (0.027 R)
• M2: 549,772 km (0.118 R)
• M3: 1,125,574 km (0.087 R)
• M4: 1,476,531 km (0.111 R)
• M5: 1,771,388 km (0.111 R)
• M6: 2,466,869 km (0.102 R)
• M7: 3,236,700 km (0.11 R)
• M8: 3,847,807 km (0.114 R)
• M9: 4,533,863 km (0.045 R)
• M10: 4,880,780 km (0.077 R)
• M11: 5,407,365 km (0.059 R)
• M12: 5,712,694 km (0.118 R)
• M13: 6,604,896 km (0.048 R)
• M14: 9,475,828 km (0.046 R)
• M15: 11,161,796 km (0.105 R)
• M16: 11,476,251 km (0.077 R)
• M17: 12,407,348 km (0.088 R)
• M18: 13,337,697 km (0.073 R)
• M19: 14,631,719 km (0.077 R)
• M20: 18,075,911 km (0.09 R)
• M21: 19,919,704 km (0.108 R)
• M22: 21,399,676 km (0.091 R)
• M23: 22,449,853 km (0.12 R)
• M24: 23,534,139 km (0.1 R)
• M25: 25,573,008 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.3

Radius: 8.6

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.95 AU - 5.39 AU

Year: 7590 Days

Day: 13.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,984,737 km

• M1: 107,112 km (0.084 R)
• M2: 394,490 km (0.069 R)
• M3: 727,046 km (0.094 R)
• M4: 1,020,706 km (0.103 R)
• M5: 1,371,812 km (0.034 R)
• M6: 1,707,211 km (0.054 R)
• M7: 2,510,701 km (0.11 R)
• M8: 2,860,610 km (0.112 R)
• M9: 3,242,983 km (0.12 R)
• M10: 3,524,077 km (0.088 R)
• M11: 3,797,841 km (0.032 R)
• M12: 5,815,318 km (0.108 R)
• M13: 6,232,098 km (0.11 R)
• M14: 7,343,161 km (0.112 R)
• M15: 7,678,260 km (0.109 R)
• M16: 8,259,448 km (0.051 R)
• M17: 9,998,074 km (0.094 R)
• M18: 10,271,539 km (0.103 R)
• M19: 14,297,667 km (0.083 R)
• M20: 18,573,922 km (0.115 R)
• M21: 20,121,811 km (0.114 R)
• M22: 20,779,144 km (0.047 R)
• M23: 27,800,670 km (0.092 R)
• M24: 30,580,498 km (0.111 R)
• M25: 32,037,581 km (0.074 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 17,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit