🌌 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: 746.3

Radius: 11.3

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.51 AU - 0.51 AU

Year: 247 Days

Day: 12.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,743,135 km

• M1: 140,622 km (0.074 R)
• M2: 513,869 km (0.115 R)
• M3: 925,263 km (0.063 R)
• M4: 1,497,774 km (0.12 R)
• M5: 2,000,722 km (0.029 R)
• M6: 2,502,772 km (0.055 R)
• M7: 3,087,850 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.5

Radius: 11.8

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.52 AU - 0.72 AU

Year: 331 Days

Day: 12.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 52.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 20,743,135 km

• M1: 149,299 km (0.069 R)
• M2: 524,640 km (0.114 R)
• M3: 937,979 km (0.084 R)
• M4: 1,329,925 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.3

Radius: 11.3

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.7 AU - 0.82 AU

Year: 449 Days

Day: 7.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,743,135 km

• M1: 140,622 km (0.109 R)
• M2: 518,805 km (0.102 R)
• M3: 871,408 km (0.107 R)
• M4: 1,388,567 km (0.114 R)
• M5: 1,764,058 km (0.12 R)
• M6: 2,500,977 km (0.086 R)
• M7: 2,858,516 km (0.073 R)
• M8: 3,432,673 km (0.071 R)
• M9: 4,502,597 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.8

Radius: 14.8

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.01 AU - 1.13 AU

Year: 751 Days

Day: 12.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,743,135 km

• M1: 184,005 km (0.102 R)
• M2: 807,978 km (0.102 R)
• M3: 1,273,975 km (0.116 R)
• M4: 1,827,188 km (0.118 R)
• M5: 2,323,554 km (0.095 R)
• M6: 3,338,426 km (0.108 R)
• M7: 4,016,404 km (0.116 R)
• M8: 4,645,911 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.4

Radius: 8.9

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.99 AU - 3.03 AU

Year: 3542 Days

Day: 13.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,743,135 km

• M1: 111,151 km (0.071 R)
• M2: 469,289 km (0.099 R)
• M3: 806,183 km (0.115 R)
• M4: 1,094,757 km (0.115 R)
• M5: 1,601,296 km (0.057 R)
• M6: 1,965,716 km (0.059 R)
• M7: 3,187,033 km (0.108 R)
• M8: 3,888,797 km (0.114 R)
• M9: 4,179,765 km (0.04 R)
• M10: 5,622,636 km (0.104 R)
• M11: 6,971,710 km (0.103 R)
• M12: 8,183,602 km (0.112 R)
• M13: 9,198,923 km (0.067 R)
• M14: 9,493,182 km (0.106 R)
• M15: 10,256,729 km (0.038 R)
• M16: 10,653,463 km (0.105 R)
• M17: 11,184,685 km (0.104 R)
• M18: 12,079,878 km (0.066 R)
• M19: 13,915,893 km (0.114 R)
• M20: 17,451,938 km (0.119 R)
• M21: 19,246,514 km (0.104 R)
• M22: 21,097,189 km (0.118 R)

Asteroid Belt

Center: 3.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.9

Radius: 9.3

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.27 AU - 4.89 AU

Year: 6648 Days

Day: 11.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 20,743,135 km

• M1: 116,387 km (0.104 R)
• M2: 461,809 km (0.066 R)
• M3: 979,567 km (0.048 R)
• M4: 1,283,849 km (0.116 R)
• M5: 1,771,987 km (0.113 R)
• M6: 2,264,613 km (0.051 R)
• M7: 3,372,086 km (0.031 R)
• M8: 3,681,304 km (0.114 R)
• M9: 3,985,437 km (0.083 R)
• M10: 4,591,458 km (0.096 R)
• M11: 5,404,373 km (0.036 R)
• M12: 5,955,192 km (0.087 R)
• M13: 6,342,950 km (0.11 R)
• M14: 7,386,544 km (0.071 R)
• M15: 7,683,347 km (0.11 R)
• M16: 8,744,295 km (0.086 R)
• M17: 11,595,331 km (0.039 R)
• M18: 11,946,288 km (0.082 R)
• M19: 12,459,857 km (0.1 R)
• M20: 12,828,017 km (0.111 R)
• M21: 23,360,904 km (0.102 R)
• M22: 25,152,488 km (0.039 R)
• M23: 25,911,099 km (0.075 R)
• M24: 26,684,969 km (0.064 R)
• M25: 29,007,027 km (0.055 R)
• M26: 32,737,848 km (0.106 R)
• M27: 33,439,612 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.1

Radius: 9

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.37 AU - 5.29 AU

Year: 7200 Days

Day: 11.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,743,135 km

• M1: 120,277 km (0.117 R)
• M2: 781,649 km (0.092 R)
• M3: 1,640,490 km (0.107 R)
• M4: 4,095,840 km (0.12 R)
• M5: 6,428,819 km (0.073 R)
• M6: 6,830,639 km (0.048 R)
• M7: 12,916,729 km (0.082 R)
• M8: 15,556,683 km (0.033 R)
• M9: 16,975,918 km (0.096 R)
• M10: 19,888,738 km (0.069 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 20,206 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit