🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.1

Radius: 8.7

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.8 AU - 0.82 AU

Year: 512 Days

Day: 14.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,716,242 km

• M1: 108,159 km (0.111 R)
• M2: 390,301 km (0.108 R)
• M3: 664,215 km (0.087 R)
• M4: 1,180,028 km (0.092 R)
• M5: 1,534,126 km (0.05 R)
• M6: 1,834,967 km (0.118 R)
• M7: 2,175,303 km (0.089 R)
• M8: 2,751,254 km (0.117 R)
• M9: 3,469,623 km (0.094 R)
• M10: 3,861,121 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.4

Radius: 10.6

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.9 AU - 3.24 AU

Year: 3781 Days

Day: 11.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,716,242 km

• M1: 132,693 km (0.032 R)
• M2: 506,538 km (0.111 R)
• M3: 1,165,218 km (0.042 R)
• M4: 1,891,815 km (0.067 R)
• M5: 2,261,022 km (0.087 R)
• M6: 2,949,920 km (0.065 R)
• M7: 3,372,983 km (0.077 R)
• M8: 3,794,251 km (0.075 R)
• M9: 4,250,674 km (0.077 R)
• M10: 6,760,029 km (0.054 R)
• M11: 7,700,850 km (0.041 R)
• M12: 8,114,936 km (0.099 R)
• M13: 8,507,481 km (0.07 R)
• M14: 9,841,595 km (0.112 R)
• M15: 11,135,617 km (0.11 R)
• M16: 11,531,752 km (0.099 R)
• M17: 12,492,769 km (0.076 R)
• M18: 13,113,749 km (0.075 R)
• M19: 14,109,473 km (0.107 R)
• M20: 14,783,112 km (0.032 R)
• M21: 15,971,966 km (0.079 R)
• M22: 19,158,999 km (0.108 R)
• M23: 20,571,054 km (0.103 R)
• M24: 21,913,844 km (0.118 R)
• M25: 24,255,799 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.7

Radius: 10.3

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.55 AU - 4.19 AU

Year: 4349 Days

Day: 8.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,716,242 km

• M1: 128,205 km (0.089 R)
• M2: 491,279 km (0.076 R)
• M3: 820,844 km (0.095 R)
• M4: 1,205,160 km (0.066 R)
• M5: 2,274,336 km (0.041 R)
• M6: 2,775,489 km (0.12 R)
• M7: 3,600,073 km (0.062 R)
• M8: 4,000,247 km (0.102 R)
• M9: 4,630,952 km (0.075 R)
• M10: 5,105,626 km (0.078 R)
• M11: 6,859,212 km (0.068 R)
• M12: 7,476,902 km (0.096 R)
• M13: 7,945,891 km (0.082 R)
• M14: 8,434,328 km (0.12 R)
• M15: 8,903,018 km (0.118 R)
• M16: 10,546,949 km (0.071 R)
• M17: 11,323,512 km (0.115 R)
• M18: 11,749,866 km (0.1 R)
• M19: 13,248,687 km (0.054 R)
• M20: 20,460,052 km (0.097 R)
• M21: 21,666,858 km (0.115 R)
• M22: 22,103,983 km (0.112 R)
• M23: 23,603,552 km (0.112 R)
• M24: 28,682,549 km (0.089 R)
• M25: 29,209,732 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.2

Radius: 11.6

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.63 AU - 4.25 AU

Year: 4485 Days

Day: 6.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 109 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,716,242 km

• M1: 144,811 km (0.109 R)
• M2: 513,869 km (0.112 R)
• M3: 952,190 km (0.116 R)
• M4: 1,784,852 km (0.088 R)
• M5: 2,925,536 km (0.05 R)
• M6: 3,784,078 km (0.069 R)
• M7: 4,437,821 km (0.086 R)
• M8: 4,982,058 km (0.094 R)
• M9: 5,718,379 km (0.109 R)
• M10: 7,115,174 km (0.12 R)
• M11: 9,443,366 km (0.089 R)
• M12: 9,833,816 km (0.04 R)
• M13: 10,685,028 km (0.116 R)
• M14: 11,345,203 km (0.045 R)
• M15: 12,073,745 km (0.11 R)
• M16: 14,776,380 km (0.066 R)
• M17: 16,805,077 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.3

Radius: 13.5

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.1 AU - 3.98 AU

Year: 4682 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,716,242 km

• M1: 167,998 km (0.075 R)
• M2: 2,953,361 km (0.081 R)
• M3: 3,473,513 km (0.088 R)
• M4: 3,920,063 km (0.117 R)
• M5: 4,872,103 km (0.074 R)
• M6: 6,152,811 km (0.115 R)
• M7: 6,714,252 km (0.1 R)
• M8: 7,412,425 km (0.086 R)
• M9: 7,832,795 km (0.113 R)
• M10: 9,280,603 km (0.111 R)
• M11: 10,179,836 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.6

Radius: 8

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.05 AU - 5.93 AU

Year: 7835 Days

Day: 13.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 66.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,716,242 km

• M1: 99,483 km (0.089 R)
• M2: 356,492 km (0.068 R)
• M3: 793,766 km (0.103 R)
• M4: 1,135,747 km (0.079 R)
• M5: 1,681,031 km (0.113 R)
• M6: 2,091,677 km (0.081 R)
• M7: 2,513,693 km (0.029 R)
• M8: 3,505,826 km (0.026 R)
• M9: 3,953,573 km (0.071 R)
• M10: 4,465,796 km (0.107 R)
• M11: 4,738,064 km (0.038 R)
• M12: 6,005,158 km (0.1 R)
• M13: 7,039,029 km (0.059 R)
• M14: 12,428,890 km (0.104 R)
• M15: 14,686,023 km (0.1 R)
• M16: 19,413,465 km (0.091 R)
• M17: 20,215,011 km (0.081 R)
• M18: 23,235,392 km (0.048 R)
• M19: 24,473,164 km (0.102 R)
• M20: 27,531,095 km (0.102 R)
• M21: 33,349,853 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.9

Radius: 6.8

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.97 AU - 7.97 AU

Year: 12935 Days

Day: 24.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,716,242 km

• M1: 84,672 km (0.047 R)
• M2: 362,326 km (0.081 R)
• M3: 768,035 km (0.111 R)
• M4: 1,022,053 km (0.119 R)
• M5: 1,409,661 km (0.092 R)
• M6: 1,645,427 km (0.107 R)
• M7: 2,215,544 km (0.104 R)
• M8: 3,715,263 km (0.09 R)
• M9: 5,254,027 km (0.095 R)
• M10: 10,168,616 km (0.08 R)
• M11: 12,051,455 km (0.106 R)
• M12: 14,539,118 km (0.092 R)
• M13: 15,260,628 km (0.094 R)
• M14: 15,528,857 km (0.111 R)
• M15: 19,152,267 km (0.075 R)
• M16: 19,543,017 km (0.101 R)
• M17: 36,933,470 km (0.118 R)
• M18: 38,150,748 km (0.082 R)
• M19: 40,026,705 km (0.066 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: 393 - 15,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit