🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.5

Radius: 14.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.45 AU - 0.71 AU

Year: 305 Days

Day: 14.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,608,091 km

• M1: 176,525 km (0.079 R)
• M2: 710,291 km (0.102 R)
• M3: 1,301,501 km (0.065 R)
• M4: 2,029,894 km (0.072 R)
• M5: 2,848,643 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.2

Radius: 12.7

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.53 AU - 0.79 AU

Year: 370 Days

Day: 14.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,608,091 km

• M1: 157,975 km (0.115 R)
• M2: 571,763 km (0.094 R)
• M3: 2,076,568 km (0.116 R)
• M4: 2,548,849 km (0.069 R)
• M5: 2,993,753 km (0.109 R)
• M6: 3,794,251 km (0.071 R)
• M7: 4,289,420 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.8

Radius: 9.1

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.72 AU - 0.96 AU

Year: 531 Days

Day: 6.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,608,091 km

• M1: 113,246 km (0.105 R)
• M2: 407,056 km (0.082 R)
• M3: 735,423 km (0.101 R)
• M4: 1,090,868 km (0.1 R)
• M5: 1,459,926 km (0.085 R)
• M6: 1,937,442 km (0.072 R)
• M7: 2,740,633 km (0.12 R)
• M8: 4,031,214 km (0.111 R)
• M9: 4,493,770 km (0.119 R)
• M10: 4,794,462 km (0.087 R)
• M11: 5,176,535 km (0.09 R)
• M12: 5,964,318 km (0.069 R)
• M13: 6,525,758 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.6

Radius: 11.8

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.96 AU - 1.08 AU

Year: 711 Days

Day: 14.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,608,091 km

• M1: 147,055 km (0.089 R)
• M2: 515,963 km (0.105 R)
• M3: 1,027,438 km (0.112 R)
• M4: 1,571,825 km (0.097 R)
• M5: 2,253,991 km (0.078 R)
• M6: 2,653,417 km (0.056 R)
• M7: 3,175,514 km (0.057 R)
• M8: 3,570,004 km (0.114 R)
• M9: 3,967,934 km (0.118 R)
• M10: 4,604,473 km (0.071 R)
• M11: 5,344,085 km (0.108 R)
• M12: 5,828,782 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.3

Radius: 9

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.77 AU - 4.55 AU

Year: 4833 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,608,091 km

• M1: 111,899 km (0.093 R)
• M2: 478,414 km (0.109 R)
• M3: 1,086,978 km (0.107 R)
• M4: 1,715,588 km (0.045 R)
• M5: 2,019,721 km (0.074 R)
• M6: 2,879,609 km (0.099 R)
• M7: 3,453,168 km (0.109 R)
• M8: 3,789,164 km (0.113 R)
• M9: 4,310,513 km (0.072 R)
• M10: 5,168,008 km (0.043 R)
• M11: 5,637,446 km (0.041 R)
• M12: 6,015,330 km (0.102 R)
• M13: 6,789,799 km (0.061 R)
• M14: 7,455,958 km (0.051 R)
• M15: 9,272,226 km (0.096 R)
• M16: 10,219,180 km (0.096 R)
• M17: 12,017,496 km (0.079 R)
• M18: 13,549,229 km (0.109 R)
• M19: 15,374,323 km (0.032 R)
• M20: 16,404,304 km (0.06 R)
• M21: 17,663,170 km (0.115 R)
• M22: 18,096,705 km (0.085 R)
• M23: 20,575,542 km (0.11 R)
• M24: 20,917,821 km (0.07 R)
• M25: 22,038,459 km (0.116 R)
• M26: 23,420,594 km (0.064 R)
• M27: 24,019,434 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.9

Radius: 3.9

Gravity: 44.5 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.53 AU - 8.13 AU

Year: 12321 Days

Day: 15.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,608,091 km

• M1: 48,470 km (0.118 R)
• M2: 180,415 km (0.119 R)
• M3: 332,406 km (0.116 R)
• M4: 563,535 km (0.05 R)
• M5: 1,057,208 km (0.112 R)
• M6: 1,291,030 km (0.114 R)
• M7: 1,729,651 km (0.091 R)
• M8: 2,280,171 km (0.106 R)
• M9: 2,670,771 km (0.056 R)
• M10: 3,226,078 km (0.062 R)
• M11: 4,023,734 km (0.064 R)
• M12: 5,044,141 km (0.093 R)
• M13: 6,819,419 km (0.076 R)
• M14: 9,988,949 km (0.116 R)
• M15: 10,470,654 km (0.07 R)
• M16: 10,856,018 km (0.12 R)
• M17: 11,024,017 km (0.116 R)
• M18: 13,114,198 km (0.084 R)
• M19: 14,622,893 km (0.114 R)
• M20: 16,685,099 km (0.117 R)
• M21: 17,515,517 km (0.081 R)
• M22: 20,340,673 km (0.056 R)
• M23: 22,991,996 km (0.109 R)
• M24: 23,362,101 km (0.08 R)
• M25: 27,490,554 km (0.106 R)
• M26: 31,965,026 km (0.097 R)
• M27: 36,273,594 km (0.078 R)
• M28: 36,901,008 km (0.103 R)
• M29: 43,016,868 km (0.11 R)
• M30: 47,051,522 km (0.058 R)
• M31: 48,249,053 km (0.084 R)
• M32: 48,400,147 km (0.052 R)
• M33: 50,238,107 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.8

Radius: 7.1

Gravity: 19.36 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.87 AU - 8.47 AU

Year: 14662 Days

Day: 22.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,608,091 km

• M1: 88,712 km (0.054 R)
• M2: 332,406 km (0.07 R)
• M3: 588,069 km (0.12 R)
• M4: 1,200,822 km (0.089 R)
• M5: 2,220,032 km (0.075 R)
• M6: 2,655,362 km (0.092 R)
• M7: 3,277,989 km (0.078 R)
• M8: 3,695,965 km (0.118 R)
• M9: 3,963,596 km (0.064 R)
• M10: 4,775,314 km (0.11 R)
• M11: 5,387,468 km (0.087 R)
• M12: 7,033,194 km (0.097 R)
• M13: 8,622,821 km (0.12 R)
• M14: 9,419,131 km (0.097 R)
• M15: 9,863,287 km (0.1 R)
• M16: 11,972,916 km (0.074 R)
• M17: 12,362,618 km (0.044 R)
• M18: 13,443,014 km (0.113 R)
• M19: 17,224,400 km (0.064 R)
• M20: 18,142,183 km (0.118 R)
• M21: 18,570,032 km (0.109 R)
• M22: 19,445,778 km (0.067 R)
• M23: 20,348,751 km (0.104 R)
• M24: 20,810,560 km (0.106 R)
• M25: 21,564,084 km (0.068 R)
• M26: 25,928,453 km (0.119 R)
• M27: 27,355,616 km (0.112 R)
• M28: 27,579,714 km (0.043 R)
• M29: 29,066,417 km (0.114 R)
• M30: 33,717,565 km (0.062 R)
• M31: 35,950,014 km (0.033 R)
• M32: 38,000,103 km (0.036 R)
• M33: 39,124,780 km (0.078 R)
• M34: 58,199,705 km (0.12 R)
• M35: 59,692,842 km (0.07 R)
• M36: 60,259,219 km (0.109 R)
• M37: 67,135,336 km (0.072 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 16,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit