🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.1

Radius: 14.8

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.58 AU - 0.86 AU

Year: 394 Days

Day: 7.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 19,786,911 km

• M1: 184,903 km (0.089 R)
• M2: 799,750 km (0.082 R)
• M3: 1,805,945 km (0.106 R)
• M4: 2,480,781 km (0.076 R)
• M5: 3,040,726 km (0.079 R)
• M6: 3,876,978 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.1

Radius: 13

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.95 AU - 1.17 AU

Year: 705 Days

Day: 11 Hours

Environment

Temp: -169 °C

Axial Tilt: 133.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,786,911 km

• M1: 161,715 km (0.094 R)
• M2: 816,056 km (0.072 R)
• M3: 1,237,174 km (0.078 R)
• M4: 1,699,133 km (0.059 R)
• M5: 2,339,112 km (0.105 R)
• M6: 3,161,302 km (0.114 R)
• M7: 3,733,514 km (0.065 R)
• M8: 4,325,922 km (0.05 R)
• M9: 5,033,520 km (0.049 R)
• M10: 5,585,237 km (0.115 R)
• M11: 6,035,376 km (0.112 R)
• M12: 7,371,285 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.1

Radius: 8.4

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.45 AU - 1.45 AU

Year: 1127 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,786,911 km

• M1: 122,371 km (0.085 R)
• M2: 454,628 km (0.055 R)
• M3: 1,559,857 km (0.106 R)
• M4: 1,963,921 km (0.116 R)
• M5: 2,459,090 km (0.115 R)
• M6: 2,742,727 km (0.116 R)
• M7: 3,447,932 km (0.115 R)
• M8: 5,063,290 km (0.107 R)
• M9: 5,446,559 km (0.113 R)
• M10: 6,249,601 km (0.035 R)
• M11: 8,089,505 km (0.084 R)
• M12: 8,507,481 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.9

Radius: 13.7

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.92 AU - 1.94 AU

Year: 1731 Days

Day: 13.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,786,911 km

• M1: 170,392 km (0.095 R)
• M2: 662,719 km (0.042 R)
• M3: 1,164,919 km (0.096 R)
• M4: 1,960,630 km (0.111 R)
• M5: 2,594,625 km (0.062 R)
• M6: 3,096,227 km (0.074 R)
• M7: 3,594,388 km (0.115 R)
• M8: 4,512,171 km (0.091 R)
• M9: 5,243,705 km (0.057 R)
• M10: 6,249,451 km (0.117 R)
• M11: 6,759,281 km (0.08 R)
• M12: 7,187,131 km (0.109 R)
• M13: 9,506,496 km (0.087 R)
• M14: 10,854,672 km (0.06 R)
• M15: 11,405,940 km (0.096 R)
• M16: 11,898,715 km (0.068 R)
• M17: 12,886,660 km (0.06 R)
• M18: 13,505,097 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.1

Radius: 12.7

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.59 AU - 2.61 AU

Year: 1965 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,786,911 km

• M1: 158,275 km (0.108 R)
• M2: 609,312 km (0.084 R)
• M3: 1,319,902 km (0.079 R)
• M4: 2,210,009 km (0.112 R)
• M5: 2,867,342 km (0.092 R)
• M6: 3,303,121 km (0.117 R)
• M7: 3,994,413 km (0.072 R)
• M8: 5,082,438 km (0.115 R)
• M9: 6,337,714 km (0.042 R)
• M10: 6,769,752 km (0.025 R)
• M11: 7,314,139 km (0.075 R)
• M12: 8,160,564 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.7

Radius: 10.2

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.1 AU - 2.94 AU

Year: 2583 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,786,911 km

• M1: 130,300 km (0.11 R)
• M2: 648,357 km (0.102 R)
• M3: 2,171,263 km (0.083 R)
• M4: 2,682,290 km (0.108 R)
• M5: 3,393,777 km (0.109 R)
• M6: 3,997,704 km (0.086 R)
• M7: 8,988,887 km (0.061 R)
• M8: 10,144,830 km (0.114 R)
• M9: 11,187,378 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.8

Radius: 8.2

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.24 AU - 5.2 AU

Year: 5597 Days

Day: 8 Hours

Environment

Temp: -209 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,786,911 km

• M1: 106,663 km (0.118 R)
• M2: 405,859 km (0.116 R)
• M3: 728,990 km (0.08 R)
• M4: 1,020,407 km (0.084 R)
• M5: 1,602,492 km (0.102 R)
• M6: 2,637,111 km (0.091 R)
• M7: 2,966,825 km (0.09 R)
• M8: 3,962,698 km (0.111 R)
• M9: 4,482,700 km (0.082 R)
• M10: 6,484,619 km (0.103 R)
• M11: 6,999,684 km (0.083 R)
• M12: 7,634,578 km (0.077 R)
• M13: 8,340,231 km (0.091 R)
• M14: 9,733,885 km (0.11 R)
• M15: 10,409,169 km (0.107 R)
• M16: 12,798,247 km (0.092 R)
• M17: 14,548,243 km (0.099 R)
• M18: 19,202,233 km (0.06 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 14,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit