🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.5

Radius: 8.5

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.56 AU - 0.74 AU

Year: 355 Days

Day: 5.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,060,595 km

• M1: 105,766 km (0.107 R)
• M2: 562,937 km (0.104 R)
• M3: 996,471 km (0.064 R)
• M4: 1,404,724 km (0.053 R)
• M5: 1,717,832 km (0.066 R)
• M6: 2,233,795 km (0.108 R)
• M7: 3,824,470 km (0.096 R)
• M8: 4,203,251 km (0.038 R)
• M9: 4,662,666 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.8

Radius: 8

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.74 AU - 1.02 AU

Year: 560 Days

Day: 13.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,060,595 km

• M1: 99,483 km (0.117 R)
• M2: 372,499 km (0.115 R)
• M3: 649,853 km (0.102 R)
• M4: 1,110,764 km (0.064 R)
• M5: 1,478,625 km (0.083 R)
• M6: 2,178,295 km (0.083 R)
• M7: 2,452,059 km (0.085 R)
• M8: 2,715,949 km (0.094 R)
• M9: 3,117,620 km (0.091 R)
• M10: 4,097,635 km (0.075 R)
• M11: 5,201,219 km (0.073 R)
• M12: 5,730,496 km (0.104 R)
• M13: 6,179,290 km (0.032 R)
• M14: 6,958,246 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.8

Radius: 12.3

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.39 AU - 1.79 AU

Year: 1360 Days

Day: 13 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,060,595 km

• M1: 153,487 km (0.099 R)
• M2: 537,056 km (0.11 R)
• M3: 971,189 km (0.056 R)
• M4: 1,387,221 km (0.056 R)
• M5: 2,267,006 km (0.115 R)
• M6: 2,730,161 km (0.077 R)
• M7: 3,151,878 km (0.039 R)
• M8: 3,832,997 km (0.114 R)
• M9: 5,026,488 km (0.086 R)
• M10: 5,642,981 km (0.094 R)
• M11: 6,453,652 km (0.086 R)
• M12: 6,874,621 km (0.037 R)
• M13: 7,689,929 km (0.113 R)
• M14: 11,357,620 km (0.103 R)
• M15: 12,047,117 km (0.087 R)
• M16: 12,572,953 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.1

Radius: 12.7

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.04 AU - 3.52 AU

Year: 4029 Days

Day: 8.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,060,595 km

• M1: 158,125 km (0.079 R)
• M2: 561,890 km (0.059 R)
• M3: 1,039,705 km (0.069 R)
• M4: 1,734,139 km (0.101 R)
• M5: 2,463,877 km (0.118 R)
• M6: 3,088,298 km (0.094 R)
• M7: 3,488,174 km (0.09 R)
• M8: 4,301,388 km (0.105 R)
• M9: 5,895,502 km (0.118 R)
• M10: 6,858,165 km (0.12 R)
• M11: 7,377,569 km (0.096 R)
• M12: 9,523,700 km (0.099 R)
• M13: 10,761,921 km (0.112 R)
• M14: 11,599,819 km (0.095 R)
• M15: 14,271,786 km (0.115 R)
• M16: 14,958,889 km (0.1 R)
• M17: 15,723,335 km (0.056 R)
• M18: 16,802,234 km (0.11 R)
• M19: 17,568,475 km (0.028 R)
• M20: 18,173,748 km (0.119 R)
• M21: 18,667,869 km (0.119 R)
• M22: 19,361,854 km (0.112 R)
• M23: 20,534,701 km (0.072 R)
• M24: 21,892,751 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.8

Radius: 14.6

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.74 AU - 5 AU

Year: 7289 Days

Day: 7.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,060,595 km

• M1: 181,761 km (0.117 R)
• M2: 908,358 km (0.037 R)
• M3: 1,457,233 km (0.092 R)
• M4: 2,017,477 km (0.119 R)
• M5: 2,494,245 km (0.092 R)
• M6: 3,197,954 km (0.112 R)
• M7: 3,779,590 km (0.111 R)
• M8: 4,404,012 km (0.048 R)
• M9: 7,462,241 km (0.104 R)
• M10: 9,710,847 km (0.083 R)
• M11: 10,337,362 km (0.106 R)
• M12: 11,197,251 km (0.068 R)
• M13: 11,671,626 km (0.042 R)
• M14: 12,269,569 km (0.033 R)
• M15: 13,764,500 km (0.064 R)
• M16: 14,248,150 km (0.082 R)
• M17: 15,507,166 km (0.12 R)
• M18: 20,423,550 km (0.119 R)
• M19: 22,352,615 km (0.103 R)
• M20: 23,191,410 km (0.057 R)
• M21: 24,665,099 km (0.103 R)
• M22: 25,289,819 km (0.063 R)
• M23: 26,385,324 km (0.093 R)
• M24: 27,227,560 km (0.111 R)
• M25: 29,262,391 km (0.111 R)
• M26: 37,359,525 km (0.04 R)
• M27: 38,900,234 km (0.1 R)
• M28: 39,747,107 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.8

Radius: 11.4

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.05 AU - 5.63 AU

Year: 8370 Days

Day: 9.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,060,595 km

• M1: 142,716 km (0.102 R)
• M2: 521,947 km (0.12 R)
• M3: 1,115,551 km (0.11 R)
• M4: 1,605,185 km (0.11 R)
• M5: 2,456,247 km (0.08 R)
• M6: 3,206,331 km (0.103 R)
• M7: 4,437,073 km (0.114 R)
• M8: 5,855,261 km (0.049 R)
• M9: 6,725,471 km (0.11 R)
• M10: 7,679,756 km (0.107 R)
• M11: 9,043,191 km (0.082 R)
• M12: 10,407,973 km (0.058 R)
• M13: 12,017,646 km (0.081 R)
• M14: 12,647,602 km (0.101 R)
• M15: 13,849,322 km (0.11 R)
• M16: 14,799,418 km (0.03 R)
• M17: 15,724,980 km (0.068 R)
• M18: 16,270,863 km (0.096 R)
• M19: 18,961,979 km (0.1 R)
• M20: 21,434,682 km (0.063 R)
• M21: 22,705,217 km (0.094 R)
• M22: 23,227,164 km (0.059 R)
• M23: 23,846,349 km (0.072 R)
• M24: 24,567,262 km (0.058 R)
• M25: 25,676,081 km (0.087 R)
• M26: 26,817,812 km (0.109 R)
• M27: 30,341,141 km (0.101 R)
• M28: 36,483,330 km (0.031 R)
• M29: 41,309,208 km (0.088 R)
• M30: 43,807,492 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.1

Radius: 4.6

Gravity: 38.47 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.03 AU - 6.59 AU

Year: 9499 Days

Day: 15.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,060,595 km

• M1: 57,296 km (0.095 R)
• M2: 200,461 km (0.118 R)
• M3: 388,057 km (0.074 R)
• M4: 1,110,016 km (0.026 R)
• M5: 1,406,968 km (0.075 R)
• M6: 1,618,200 km (0.112 R)
• M7: 2,249,503 km (0.058 R)
• M8: 4,231,525 km (0.114 R)
• M9: 4,858,191 km (0.1 R)
• M10: 5,144,820 km (0.095 R)
• M11: 7,067,452 km (0.063 R)
• M12: 8,662,913 km (0.112 R)
• M13: 9,132,352 km (0.108 R)
• M14: 12,252,066 km (0.119 R)
• M15: 12,903,116 km (0.074 R)
• M16: 15,533,495 km (0.088 R)
• M17: 17,969,247 km (0.098 R)
• M18: 19,753,950 km (0.081 R)
• M19: 21,824,235 km (0.055 R)
• M20: 21,995,824 km (0.028 R)
• M21: 23,943,588 km (0.105 R)
• M22: 27,175,052 km (0.095 R)
• M23: 28,688,832 km (0.11 R)
• M24: 28,894,679 km (0.111 R)
• M25: 30,257,815 km (0.047 R)
• M26: 34,139,431 km (0.097 R)
• M27: 35,070,977 km (0.113 R)
• M28: 40,888,688 km (0.098 R)
• M29: 43,276,869 km (0.069 R)
• M30: 44,367,587 km (0.045 R)
• M31: 47,317,507 km (0.107 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 19,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit