🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.2

Radius: 11.5

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.65 AU - 0.77 AU

Year: 406 Days

Day: 14.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 67.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,803,978 km

• M1: 143,016 km (0.11 R)
• M2: 699,071 km (0.059 R)
• M3: 1,459,028 km (0.055 R)
• M4: 2,095,866 km (0.108 R)
• M5: 2,720,138 km (0.079 R)
• M6: 3,756,552 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.1

Radius: 11.6

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.83 AU - 1.27 AU

Year: 730 Days

Day: 13.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,803,978 km

• M1: 144,362 km (0.109 R)
• M2: 518,207 km (0.102 R)
• M3: 1,009,486 km (0.109 R)
• M4: 1,539,960 km (0.072 R)
• M5: 2,214,048 km (0.072 R)
• M6: 2,833,384 km (0.097 R)
• M7: 4,048,268 km (0.114 R)
• M8: 4,496,613 km (0.084 R)
• M9: 5,248,641 km (0.078 R)
• M10: 5,691,601 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.2

Radius: 11.6

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.05 AU - 1.41 AU

Year: 925 Days

Day: 6.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,803,978 km

• M1: 144,212 km (0.057 R)
• M2: 617,690 km (0.087 R)
• M3: 1,078,601 km (0.093 R)
• M4: 1,494,483 km (0.083 R)
• M5: 1,975,440 km (0.026 R)
• M6: 2,388,180 km (0.086 R)
• M7: 2,759,782 km (0.1 R)
• M8: 3,608,450 km (0.084 R)
• M9: 5,172,496 km (0.113 R)
• M10: 5,621,439 km (0.025 R)
• M11: 6,460,384 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614

Radius: 9.5

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.3 AU - 1.38 AU

Year: 1052 Days

Day: 8.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,803,978 km

• M1: 118,182 km (0.118 R)
• M2: 461,210 km (0.064 R)
• M3: 845,826 km (0.117 R)
• M4: 1,558,062 km (0.103 R)
• M5: 2,273,738 km (0.117 R)
• M6: 2,591,933 km (0.07 R)
• M7: 3,207,827 km (0.039 R)
• M8: 4,784,439 km (0.064 R)
• M9: 7,866,754 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.5

Radius: 10.9

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.53 AU - 3.69 AU

Year: 4652 Days

Day: 11.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,803,978 km

• M1: 135,984 km (0.028 R)
• M2: 511,475 km (0.082 R)
• M3: 916,437 km (0.109 R)
• M4: 1,259,913 km (0.11 R)
• M5: 2,272,990 km (0.074 R)
• M6: 2,906,387 km (0.085 R)
• M7: 3,425,642 km (0.03 R)
• M8: 3,855,137 km (0.12 R)
• M9: 4,910,251 km (0.119 R)
• M10: 6,277,426 km (0.098 R)
• M11: 7,234,104 km (0.101 R)
• M12: 8,285,328 km (0.085 R)
• M13: 10,066,890 km (0.09 R)
• M14: 11,809,106 km (0.106 R)
• M15: 12,213,021 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 11.3

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.54 AU - 4.16 AU

Year: 5124 Days

Day: 11.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,803,978 km

• M1: 140,472 km (0.073 R)
• M2: 627,264 km (0.12 R)
• M3: 1,215,782 km (0.046 R)
• M4: 1,623,286 km (0.093 R)
• M5: 2,037,373 km (0.068 R)
• M6: 2,655,063 km (0.075 R)
• M7: 5,699,529 km (0.115 R)
• M8: 6,798,176 km (0.117 R)
• M9: 9,411,501 km (0.11 R)
• M10: 10,285,302 km (0.077 R)
• M11: 12,050,557 km (0.038 R)
• M12: 13,334,257 km (0.098 R)
• M13: 13,799,356 km (0.081 R)
• M14: 14,871,524 km (0.067 R)
• M15: 17,120,878 km (0.093 R)
• M16: 20,460,950 km (0.06 R)
• M17: 21,219,560 km (0.116 R)
• M18: 21,996,572 km (0.106 R)
• M19: 22,646,425 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.4

Radius: 13.7

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.34 AU - 5.34 AU

Year: 8370 Days

Day: 8.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,803,978 km

• M1: 170,542 km (0.101 R)
• M2: 815,009 km (0.117 R)
• M3: 1,404,425 km (0.11 R)
• M4: 1,861,596 km (0.104 R)
• M5: 2,513,394 km (0.069 R)
• M6: 3,455,412 km (0.077 R)
• M7: 4,008,924 km (0.106 R)
• M8: 4,563,034 km (0.109 R)
• M9: 5,523,453 km (0.085 R)
• M10: 5,999,623 km (0.081 R)
• M11: 7,472,713 km (0.117 R)
• M12: 8,099,528 km (0.109 R)
• M13: 10,807,399 km (0.084 R)
• M14: 13,335,005 km (0.088 R)
• M15: 14,258,921 km (0.089 R)
• M16: 16,650,393 km (0.087 R)
• M17: 17,216,172 km (0.095 R)
• M18: 21,130,101 km (0.09 R)
• M19: 21,877,641 km (0.098 R)
• M20: 28,406,840 km (0.045 R)
• M21: 28,910,387 km (0.069 R)
• M22: 29,420,067 km (0.114 R)
• M23: 33,379,174 km (0.094 R)
• M24: 34,965,660 km (0.102 R)
• M25: 35,428,067 km (0.088 R)
• M26: 40,405,936 km (0.094 R)
• M27: 40,915,167 km (0.082 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 16,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit