🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.1

Radius: 14

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.73 AU - 0.77 AU

Year: 433 Days

Day: 10.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,823,539 km

• M1: 174,132 km (0.118 R)
• M2: 658,679 km (0.093 R)
• M3: 1,166,415 km (0.09 R)
• M4: 1,603,689 km (0.081 R)
• M5: 2,093,024 km (0.103 R)
• M6: 2,672,865 km (0.079 R)
• M7: 3,182,695 km (0.07 R)
• M8: 3,654,975 km (0.051 R)
• M9: 4,230,329 km (0.1 R)
• M10: 4,727,742 km (0.112 R)
• M11: 5,280,506 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.5

Radius: 12.2

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.51 AU - 2.23 AU

Year: 1705 Days

Day: 9.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,823,539 km

• M1: 151,692 km (0.067 R)
• M2: 547,079 km (0.104 R)
• M3: 1,170,753 km (0.119 R)
• M4: 2,133,116 km (0.111 R)
• M5: 2,581,012 km (0.113 R)
• M6: 3,233,558 km (0.055 R)
• M7: 4,618,834 km (0.097 R)
• M8: 5,107,720 km (0.088 R)
• M9: 5,845,238 km (0.111 R)
• M10: 6,418,347 km (0.12 R)
• M11: 7,001,330 km (0.067 R)
• M12: 7,912,231 km (0.059 R)
• M13: 9,358,095 km (0.096 R)
• M14: 10,498,928 km (0.062 R)
• M15: 13,391,852 km (0.028 R)
• M16: 13,906,618 km (0.102 R)
• M17: 15,483,529 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.9

Radius: 11.7

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.17 AU - 2.73 AU

Year: 2557 Days

Day: 5.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,823,539 km

• M1: 145,559 km (0.068 R)
• M2: 690,843 km (0.103 R)
• M3: 1,089,372 km (0.041 R)
• M4: 1,460,973 km (0.092 R)
• M5: 1,943,127 km (0.081 R)
• M6: 2,472,853 km (0.112 R)
• M7: 3,114,328 km (0.102 R)
• M8: 3,670,833 km (0.103 R)
• M9: 4,044,079 km (0.107 R)
• M10: 4,730,584 km (0.062 R)
• M11: 5,102,185 km (0.116 R)
• M12: 5,594,212 km (0.093 R)
• M13: 6,994,000 km (0.096 R)
• M14: 8,016,501 km (0.03 R)
• M15: 9,568,130 km (0.112 R)
• M16: 9,976,233 km (0.085 R)
• M17: 10,395,855 km (0.117 R)
• M18: 13,257,513 km (0.062 R)
• M19: 14,575,620 km (0.116 R)
• M20: 16,082,818 km (0.056 R)
• M21: 17,143,766 km (0.056 R)
• M22: 17,581,041 km (0.082 R)
• M23: 19,053,682 km (0.101 R)
• M24: 20,060,027 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.9

Radius: 10.4

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.59 AU - 3.97 AU

Year: 3961 Days

Day: 7.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,823,539 km

• M1: 129,402 km (0.106 R)
• M2: 900,280 km (0.052 R)
• M3: 1,294,919 km (0.06 R)
• M4: 1,746,256 km (0.119 R)
• M5: 2,272,990 km (0.096 R)
• M6: 5,277,663 km (0.083 R)
• M7: 5,907,321 km (0.113 R)
• M8: 6,240,625 km (0.072 R)
• M9: 6,734,298 km (0.077 R)
• M10: 9,988,799 km (0.052 R)
• M11: 13,252,277 km (0.042 R)
• M12: 13,777,066 km (0.051 R)
• M13: 21,333,255 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.8

Radius: 8.3

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.75 AU - 5.03 AU

Year: 7211 Days

Day: 7.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,823,539 km

• M1: 115,938 km (0.075 R)
• M2: 1,016,966 km (0.075 R)
• M3: 1,400,834 km (0.032 R)
• M4: 2,046,798 km (0.075 R)
• M5: 3,484,882 km (0.117 R)
• M6: 4,764,842 km (0.076 R)
• M7: 9,500,362 km (0.036 R)
• M8: 11,989,821 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.6

Radius: 4

Gravity: 36.98 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.07 AU - 8.07 AU

Year: 13889 Days

Day: 17.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,823,539 km

• M1: 50,265 km (0.067 R)
• M2: 265,237 km (0.112 R)
• M3: 815,159 km (0.117 R)
• M4: 1,167,163 km (0.096 R)
• M5: 3,765,678 km (0.118 R)
• M6: 4,256,059 km (0.112 R)
• M7: 5,432,946 km (0.098 R)
• M8: 6,134,261 km (0.037 R)
• M9: 7,405,095 km (0.095 R)
• M10: 9,860,744 km (0.073 R)
• M11: 10,955,950 km (0.116 R)
• M12: 12,008,819 km (0.109 R)
• M13: 16,670,588 km (0.064 R)
• M14: 18,138,592 km (0.104 R)
• M15: 20,715,116 km (0.111 R)
• M16: 21,152,241 km (0.085 R)
• M17: 21,595,649 km (0.117 R)
• M18: 28,468,774 km (0.074 R)
• M19: 29,776,858 km (0.05 R)
• M20: 30,445,710 km (0.043 R)
• M21: 33,340,578 km (0.064 R)
• M22: 33,820,189 km (0.058 R)
• M23: 34,061,640 km (0.114 R)
• M24: 41,162,602 km (0.052 R)
• M25: 41,714,319 km (0.1 R)
• M26: 43,257,421 km (0.028 R)
• M27: 44,258,829 km (0.06 R)
• M28: 46,904,767 km (0.097 R)
• M29: 49,498,794 km (0.075 R)
• M30: 53,648,489 km (0.097 R)
• M31: 54,472,325 km (0.099 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 16,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit