🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874

Radius: 8

Gravity: 13.66 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.65 AU - 0.73 AU

Year: 382 Days

Day: 8.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,662,400 km

• M1: 99,483 km (0.11 R)
• M2: 350,209 km (0.117 R)
• M3: 678,875 km (0.091 R)
• M4: 929,152 km (0.103 R)
• M5: 1,327,232 km (0.092 R)
• M6: 1,634,058 km (0.105 R)
• M7: 2,346,293 km (0.111 R)
• M8: 2,747,215 km (0.037 R)
• M9: 3,170,128 km (0.119 R)
• M10: 3,573,893 km (0.082 R)
• M11: 4,024,781 km (0.068 R)
• M12: 4,383,966 km (0.055 R)
• M13: 5,024,843 km (0.04 R)
• M14: 5,507,894 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.5

Radius: 14.6

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.89 AU - 1.27 AU

Year: 748 Days

Day: 6.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,662,400 km

• M1: 181,612 km (0.057 R)
• M2: 800,049 km (0.074 R)
• M3: 1,584,391 km (0.028 R)
• M4: 2,197,593 km (0.089 R)
• M5: 2,913,269 km (0.045 R)
• M6: 3,417,264 km (0.052 R)
• M7: 4,047,221 km (0.04 R)
• M8: 4,723,702 km (0.032 R)
• M9: 5,226,800 km (0.045 R)
• M10: 6,267,702 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.6

Radius: 14.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.06 AU - 1.54 AU

Year: 988 Days

Day: 10.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 18,662,400 km

• M1: 184,155 km (0.078 R)
• M2: 1,016,518 km (0.112 R)
• M3: 1,495,231 km (0.058 R)
• M4: 2,048,294 km (0.075 R)
• M5: 2,658,354 km (0.065 R)
• M6: 3,505,078 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.3

Radius: 13.6

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.24 AU - 1.4 AU

Year: 1011 Days

Day: 8.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,662,400 km

• M1: 169,195 km (0.038 R)
• M2: 683,961 km (0.107 R)
• M3: 1,132,755 km (0.094 R)
• M4: 1,720,824 km (0.117 R)
• M5: 2,373,370 km (0.085 R)
• M6: 2,928,678 km (0.112 R)
• M7: 3,667,093 km (0.118 R)
• M8: 5,030,976 km (0.097 R)
• M9: 5,591,520 km (0.096 R)
• M10: 6,838,418 km (0.102 R)
• M11: 7,854,038 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.7

Radius: 13

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.63 AU - 1.77 AU

Year: 1478 Days

Day: 14.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,662,400 km

• M1: 162,164 km (0.099 R)
• M2: 666,459 km (0.112 R)
• M3: 1,277,566 km (0.118 R)
• M4: 1,708,557 km (0.077 R)
• M5: 2,117,707 km (0.098 R)
• M6: 2,771,600 km (0.116 R)
• M7: 3,404,100 km (0.108 R)
• M8: 4,395,634 km (0.088 R)
• M9: 5,018,560 km (0.118 R)
• M10: 5,528,988 km (0.108 R)
• M11: 7,070,743 km (0.077 R)
• M12: 8,565,675 km (0.118 R)
• M13: 9,975,336 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.8

Radius: 13.8

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.7 AU - 2.08 AU

Year: 1733 Days

Day: 13.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 18,662,400 km

• M1: 171,738 km (0.116 R)
• M2: 967,599 km (0.109 R)
• M3: 1,652,159 km (0.115 R)
• M4: 2,296,776 km (0.107 R)
• M5: 5,048,479 km (0.086 R)
• M6: 6,161,637 km (0.071 R)
• M7: 6,662,790 km (0.102 R)
• M8: 7,611,240 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.3

Radius: 10.5

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.86 AU - 4.2 AU

Year: 5395 Days

Day: 8.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 18,662,400 km

• M1: 130,599 km (0.066 R)
• M2: 525,687 km (0.076 R)
• M3: 1,548,787 km (0.114 R)
• M4: 1,923,529 km (0.057 R)
• M5: 2,267,006 km (0.06 R)
• M6: 3,410,831 km (0.07 R)
• M7: 4,649,651 km (0.1 R)
• M8: 5,140,931 km (0.1 R)
• M9: 5,781,509 km (0.077 R)
• M10: 6,443,330 km (0.083 R)
• M11: 6,792,791 km (0.064 R)
• M12: 8,544,282 km (0.098 R)
• M13: 10,534,832 km (0.109 R)
• M14: 10,976,295 km (0.091 R)
• M15: 12,866,763 km (0.072 R)
• M16: 14,528,347 km (0.065 R)
• M17: 19,762,178 km (0.111 R)
• M18: 23,649,927 km (0.05 R)
• M19: 24,102,611 km (0.076 R)
• M20: 25,259,900 km (0.063 R)
• M21: 26,453,840 km (0.12 R)
• M22: 27,601,705 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.8

Radius: 9.1

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.71 AU - 5.35 AU

Year: 6429 Days

Day: 15 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,662,400 km

• M1: 115,789 km (0.065 R)
• M2: 420,669 km (0.061 R)
• M3: 888,163 km (0.055 R)
• M4: 1,196,633 km (0.104 R)
• M5: 1,497,325 km (0.086 R)
• M6: 2,076,119 km (0.11 R)
• M7: 3,807,715 km (0.107 R)
• M8: 4,200,409 km (0.098 R)
• M9: 4,512,620 km (0.059 R)
• M10: 4,885,118 km (0.076 R)
• M11: 5,301,898 km (0.119 R)
• M12: 5,894,306 km (0.112 R)
• M13: 6,286,551 km (0.076 R)
• M14: 7,388,639 km (0.097 R)
• M15: 8,191,680 km (0.085 R)
• M16: 8,780,946 km (0.096 R)
• M17: 10,415,602 km (0.06 R)
• M18: 11,625,699 km (0.091 R)
• M19: 14,137,448 km (0.043 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 13,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit