🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.7

Radius: 9.2

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.55 AU - 0.77 AU

Year: 370 Days

Day: 7.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,831,927 km

• M1: 114,891 km (0.105 R)
• M2: 525,687 km (0.083 R)
• M3: 985,102 km (0.029 R)
• M4: 1,462,469 km (0.085 R)
• M5: 2,183,979 km (0.113 R)
• M6: 2,625,443 km (0.061 R)
• M7: 3,014,098 km (0.112 R)
• M8: 3,369,094 km (0.094 R)
• M9: 3,960,604 km (0.062 R)
• M10: 4,738,961 km (0.092 R)
• M11: 5,093,359 km (0.085 R)
• M12: 5,399,436 km (0.096 R)
• M13: 5,907,919 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.2

Radius: 11.3

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.62 AU - 0.72 AU

Year: 379 Days

Day: 8.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 33,831,927 km

• M1: 140,622 km (0.085 R)
• M2: 852,109 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.8

Radius: 11.6

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.13 AU - 1.27 AU

Year: 907 Days

Day: 12.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,831,927 km

• M1: 144,212 km (0.047 R)
• M2: 534,364 km (0.056 R)
• M3: 1,022,352 km (0.054 R)
• M4: 2,025,555 km (0.077 R)
• M5: 2,737,940 km (0.102 R)
• M6: 4,073,400 km (0.105 R)
• M7: 4,868,214 km (0.093 R)
• M8: 5,415,443 km (0.1 R)
• M9: 5,983,316 km (0.057 R)
• M10: 6,482,973 km (0.073 R)
• M11: 7,215,404 km (0.073 R)
• M12: 8,352,797 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.5

Radius: 14.4

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.69 AU - 3.25 AU

Year: 3533 Days

Day: 13.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,831,927 km

• M1: 179,517 km (0.081 R)
• M2: 651,200 km (0.118 R)
• M3: 1,099,544 km (0.119 R)
• M4: 2,767,561 km (0.074 R)
• M5: 3,231,912 km (0.068 R)
• M6: 3,974,217 km (0.113 R)
• M7: 4,491,975 km (0.032 R)
• M8: 6,274,284 km (0.085 R)
• M9: 7,488,271 km (0.079 R)
• M10: 8,108,055 km (0.051 R)
• M11: 8,822,983 km (0.084 R)
• M12: 9,450,696 km (0.101 R)
• M13: 10,936,801 km (0.081 R)
• M14: 12,341,675 km (0.095 R)
• M15: 12,809,318 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.8

Radius: 11.1

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.93 AU - 3.09 AU

Year: 3605 Days

Day: 10.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,831,927 km

• M1: 141,819 km (0.029 R)
• M2: 814,560 km (0.104 R)
• M3: 2,467,467 km (0.088 R)
• M4: 2,844,903 km (0.03 R)
• M5: 4,815,406 km (0.086 R)
• M6: 5,310,724 km (0.103 R)
• M7: 5,673,350 km (0.03 R)
• M8: 6,539,073 km (0.062 R)
• M9: 6,885,541 km (0.114 R)
• M10: 8,343,073 km (0.089 R)
• M11: 10,614,717 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.7

Radius: 11.5

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.86 AU - 4.26 AU

Year: 4636 Days

Day: 10.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,831,927 km

• M1: 143,016 km (0.095 R)
• M2: 882,627 km (0.099 R)
• M3: 1,437,785 km (0.09 R)
• M4: 2,205,372 km (0.055 R)
• M5: 2,726,720 km (0.058 R)
• M6: 5,393,901 km (0.118 R)
• M7: 6,479,832 km (0.115 R)
• M8: 6,919,201 km (0.09 R)
• M9: 7,888,595 km (0.12 R)
• M10: 8,390,197 km (0.085 R)
• M11: 9,526,991 km (0.05 R)
• M12: 9,951,849 km (0.056 R)
• M13: 10,500,723 km (0.039 R)
• M14: 11,381,556 km (0.046 R)
• M15: 11,779,636 km (0.113 R)
• M16: 13,776,468 km (0.087 R)
• M17: 15,597,224 km (0.115 R)
• M18: 16,590,703 km (0.107 R)
• M19: 17,838,050 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.3

Radius: 8.3

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.12 AU - 4.18 AU

Year: 5836 Days

Day: 12.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 33,831,927 km

• M1: 103,223 km (0.113 R)
• M2: 369,058 km (0.037 R)
• M3: 655,987 km (0.083 R)
• M4: 1,004,849 km (0.09 R)
• M5: 1,743,414 km (0.117 R)
• M6: 2,377,110 km (0.081 R)
• M7: 4,022,986 km (0.076 R)
• M8: 4,710,239 km (0.054 R)
• M9: 5,297,111 km (0.081 R)
• M10: 6,349,532 km (0.119 R)
• M11: 6,960,191 km (0.117 R)
• M12: 9,196,080 km (0.066 R)
• M13: 10,522,565 km (0.031 R)
• M14: 10,991,853 km (0.118 R)
• M15: 11,279,979 km (0.072 R)
• M16: 12,328,809 km (0.097 R)
• M17: 14,503,962 km (0.068 R)
• M18: 15,621,758 km (0.092 R)
• M19: 16,418,965 km (0.103 R)
• M20: 18,768,250 km (0.114 R)
• M21: 20,598,280 km (0.085 R)
• M22: 21,184,554 km (0.108 R)
• M23: 23,720,986 km (0.094 R)
• M24: 25,604,124 km (0.104 R)
• M25: 27,584,651 km (0.073 R)
• M26: 31,557,820 km (0.11 R)
• M27: 32,435,062 km (0.088 R)
• M28: 32,731,117 km (0.115 R)
• M29: 33,529,221 km (0.108 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 11,840 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit