🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.9

Radius: 11.1

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.47 AU - 0.59 AU

Year: 266 Days

Day: 8.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,686,339 km

• M1: 138,079 km (0.093 R)
• M2: 568,622 km (0.06 R)
• M3: 1,004,998 km (0.119 R)
• M4: 1,375,253 km (0.101 R)
• M5: 1,754,334 km (0.041 R)
• M6: 2,115,912 km (0.067 R)
• M7: 2,692,163 km (0.09 R)
• M8: 3,146,492 km (0.048 R)
• M9: 3,745,183 km (0.081 R)
• M10: 4,619,133 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.8

Radius: 14.8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.54 AU - 0.66 AU

Year: 321 Days

Day: 11.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,686,339 km

• M1: 185,501 km (0.098 R)
• M2: 648,357 km (0.104 R)
• M3: 1,111,213 km (0.072 R)
• M4: 1,634,506 km (0.107 R)
• M5: 2,316,673 km (0.071 R)
• M6: 3,886,253 km (0.113 R)
• M7: 4,431,837 km (0.08 R)
• M8: 4,899,330 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.6

Radius: 10.3

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.56 AU - 0.88 AU

Year: 422 Days

Day: 14.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 68,686,339 km

• M1: 128,205 km (0.12 R)
• M2: 1,015,171 km (0.11 R)

Asteroid Belt

Center: 2.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.6

Radius: 14.4

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.89 AU - 5.87 AU

Year: 7441 Days

Day: 7.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,686,339 km

• M1: 179,817 km (0.114 R)
• M2: 758,312 km (0.09 R)
• M3: 1,348,774 km (0.065 R)
• M4: 2,463,727 km (0.077 R)
• M5: 2,984,777 km (0.028 R)
• M6: 3,512,259 km (0.069 R)
• M7: 4,408,200 km (0.11 R)
• M8: 4,981,759 km (0.112 R)
• M9: 6,279,670 km (0.061 R)
• M10: 7,080,467 km (0.099 R)
• M11: 8,676,377 km (0.117 R)
• M12: 9,492,733 km (0.081 R)
• M13: 10,172,805 km (0.08 R)
• M14: 10,836,720 km (0.055 R)
• M15: 13,391,104 km (0.075 R)
• M16: 15,943,692 km (0.09 R)
• M17: 17,838,798 km (0.116 R)
• M18: 18,317,810 km (0.106 R)
• M19: 21,298,997 km (0.101 R)
• M20: 21,838,596 km (0.107 R)
• M21: 22,625,182 km (0.088 R)
• M22: 24,928,391 km (0.098 R)
• M23: 26,489,295 km (0.031 R)
• M24: 27,747,712 km (0.095 R)
• M25: 29,045,474 km (0.102 R)
• M26: 32,772,256 km (0.028 R)
• M27: 35,606,388 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.6

Radius: 4

Gravity: 39.35 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.2 AU - 6 AU

Year: 9147 Days

Day: 18.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,686,339 km

• M1: 49,816 km (0.114 R)
• M2: 197,768 km (0.097 R)
• M3: 433,235 km (0.115 R)
• M4: 1,130,661 km (0.081 R)
• M5: 1,306,588 km (0.092 R)
• M6: 1,819,858 km (0.12 R)
• M7: 2,494,993 km (0.101 R)
• M8: 4,020,443 km (0.088 R)
• M9: 4,691,838 km (0.112 R)
• M10: 6,506,759 km (0.112 R)
• M11: 6,766,910 km (0.07 R)
• M12: 8,345,616 km (0.12 R)
• M13: 9,860,295 km (0.078 R)
• M14: 10,154,105 km (0.094 R)
• M15: 10,303,254 km (0.088 R)
• M16: 11,070,691 km (0.05 R)
• M17: 12,320,282 km (0.11 R)
• M18: 12,661,066 km (0.113 R)
• M19: 13,600,690 km (0.117 R)
• M20: 14,967,117 km (0.106 R)
• M21: 15,816,235 km (0.049 R)
• M22: 17,753,378 km (0.12 R)
• M23: 19,003,418 km (0.111 R)
• M24: 20,706,739 km (0.068 R)
• M25: 21,513,520 km (0.08 R)
• M26: 22,257,470 km (0.07 R)
• M27: 24,147,639 km (0.095 R)
• M28: 25,404,710 km (0.108 R)
• M29: 27,084,096 km (0.102 R)
• M30: 28,440,500 km (0.087 R)
• M31: 30,352,660 km (0.1 R)
• M32: 31,497,981 km (0.06 R)
• M33: 33,764,090 km (0.106 R)
• M34: 42,099,085 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.9

Radius: 5.4

Gravity: 22.49 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.61 AU - 8.67 AU

Year: 17530 Days

Day: 22.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,686,339 km

• M1: 67,618 km (0.096 R)
• M2: 560,394 km (0.107 R)
• M3: 749,186 km (0.104 R)
• M4: 992,283 km (0.102 R)
• M5: 2,555,580 km (0.077 R)
• M6: 3,892,237 km (0.086 R)
• M7: 4,200,559 km (0.103 R)
• M8: 4,625,566 km (0.111 R)
• M9: 6,966,474 km (0.117 R)
• M10: 9,331,167 km (0.12 R)
• M11: 9,996,579 km (0.081 R)
• M12: 11,175,111 km (0.069 R)
• M13: 12,377,877 km (0.096 R)
• M14: 12,641,618 km (0.081 R)
• M15: 14,667,622 km (0.118 R)
• M16: 17,554,113 km (0.064 R)
• M17: 18,309,433 km (0.119 R)
• M18: 27,648,379 km (0.114 R)
• M19: 29,015,853 km (0.113 R)
• M20: 32,132,127 km (0.064 R)
• M21: 33,134,133 km (0.074 R)
• M22: 37,077,084 km (0.099 R)
• M23: 67,458,617 km (0.1 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 11,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit