🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.6

Radius: 11.5

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.52 AU - 0.72 AU

Year: 326 Days

Day: 8.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,835,060 km

• M1: 143,016 km (0.034 R)
• M2: 558,898 km (0.118 R)
• M3: 1,040,154 km (0.101 R)
• M4: 1,782,608 km (0.104 R)
• M5: 2,230,953 km (0.105 R)
• M6: 2,980,289 km (0.114 R)
• M7: 4,279,247 km (0.034 R)
• M8: 4,749,882 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.6

Radius: 10.6

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.54 AU - 0.7 AU

Year: 326 Days

Day: 10.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,835,060 km

• M1: 132,245 km (0.111 R)
• M2: 651,200 km (0.053 R)
• M3: 1,233,584 km (0.095 R)
• M4: 2,556,628 km (0.077 R)
• M5: 2,977,746 km (0.09 R)
• M6: 3,318,530 km (0.079 R)
• M7: 3,663,203 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.7

Radius: 13.8

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.92 AU - 1.3 AU

Year: 780 Days

Day: 10.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,835,060 km

• M1: 171,888 km (0.052 R)
• M2: 623,374 km (0.088 R)
• M3: 1,151,156 km (0.075 R)
• M4: 1,802,654 km (0.045 R)
• M5: 2,823,211 km (0.08 R)
• M6: 3,640,165 km (0.089 R)
• M7: 4,393,241 km (0.053 R)
• M8: 5,303,843 km (0.114 R)
• M9: 8,182,405 km (0.106 R)
• M10: 8,826,723 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.4

Radius: 11.8

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.92 AU - 1.92 AU

Year: 1774 Days

Day: 13.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,835,060 km

• M1: 146,756 km (0.097 R)
• M2: 789,727 km (0.055 R)
• M3: 1,170,304 km (0.115 R)
• M4: 1,561,353 km (0.114 R)
• M5: 2,931,669 km (0.04 R)
• M6: 3,466,332 km (0.119 R)
• M7: 4,216,117 km (0.115 R)
• M8: 4,878,536 km (0.057 R)
• M9: 5,357,997 km (0.079 R)
• M10: 6,462,778 km (0.108 R)
• M11: 7,096,474 km (0.097 R)
• M12: 8,035,201 km (0.112 R)
• M13: 9,119,337 km (0.094 R)
• M14: 9,546,139 km (0.111 R)
• M15: 11,016,686 km (0.042 R)
• M16: 11,614,779 km (0.058 R)
• M17: 13,456,029 km (0.1 R)
• M18: 15,072,584 km (0.052 R)
• M19: 15,670,078 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.9

Radius: 11.9

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.42 AU - 2.8 AU

Year: 2812 Days

Day: 7.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,835,060 km

• M1: 147,952 km (0.065 R)
• M2: 581,487 km (0.062 R)
• M3: 1,053,319 km (0.106 R)
• M4: 1,556,715 km (0.057 R)
• M5: 2,163,933 km (0.085 R)
• M6: 2,775,639 km (0.108 R)
• M7: 3,293,996 km (0.118 R)
• M8: 4,595,647 km (0.11 R)
• M9: 5,098,146 km (0.065 R)
• M10: 6,101,349 km (0.119 R)
• M11: 6,531,892 km (0.077 R)
• M12: 7,200,146 km (0.06 R)
• M13: 7,913,578 km (0.097 R)
• M14: 8,780,797 km (0.092 R)
• M15: 9,748,695 km (0.066 R)
• M16: 12,029,314 km (0.076 R)
• M17: 13,081,137 km (0.088 R)
• M18: 13,557,157 km (0.106 R)
• M19: 14,696,046 km (0.111 R)
• M20: 15,367,441 km (0.114 R)
• M21: 16,059,032 km (0.052 R)
• M22: 17,734,528 km (0.066 R)
• M23: 19,156,606 km (0.084 R)
• M24: 21,561,691 km (0.086 R)
• M25: 22,092,614 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.8

Radius: 8.1

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.87 AU - 4.75 AU

Year: 5967 Days

Day: 7.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,835,060 km

• M1: 107,710 km (0.113 R)
• M2: 470,037 km (0.119 R)
• M3: 875,148 km (0.054 R)
• M4: 1,183,020 km (0.098 R)
• M5: 1,443,619 km (0.115 R)
• M6: 2,384,440 km (0.049 R)
• M7: 3,708,382 km (0.059 R)
• M8: 4,226,439 km (0.094 R)
• M9: 5,377,595 km (0.037 R)
• M10: 5,702,970 km (0.076 R)
• M11: 6,491,650 km (0.113 R)
• M12: 8,015,454 km (0.05 R)
• M13: 8,881,027 km (0.088 R)
• M14: 9,378,739 km (0.103 R)
• M15: 13,184,360 km (0.079 R)
• M16: 13,505,696 km (0.042 R)
• M17: 15,074,678 km (0.08 R)
• M18: 15,485,175 km (0.078 R)
• M19: 16,328,458 km (0.106 R)
• M20: 16,636,929 km (0.103 R)
• M21: 17,329,417 km (0.107 R)
• M22: 19,110,380 km (0.031 R)
• M23: 19,452,959 km (0.05 R)
• M24: 20,009,912 km (0.112 R)
• M25: 20,505,829 km (0.117 R)
• M26: 21,374,993 km (0.107 R)
• M27: 23,734,001 km (0.117 R)
• M28: 27,027,249 km (0.101 R)
• M29: 29,323,875 km (0.099 R)
• M30: 30,056,007 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.6

Radius: 12.5

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.36 AU - 5.54 AU

Year: 8484 Days

Day: 6.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,835,060 km

• M1: 155,432 km (0.101 R)
• M2: 701,764 km (0.025 R)
• M3: 1,131,259 km (0.052 R)
• M4: 1,879,099 km (0.114 R)
• M5: 2,565,155 km (0.075 R)
• M6: 2,978,643 km (0.102 R)
• M7: 3,734,262 km (0.083 R)
• M8: 4,439,167 km (0.047 R)
• M9: 5,230,989 km (0.099 R)
• M10: 6,977,394 km (0.056 R)
• M11: 7,665,844 km (0.103 R)
• M12: 8,805,929 km (0.117 R)
• M13: 9,465,057 km (0.083 R)
• M14: 15,369,685 km (0.108 R)
• M15: 16,677,021 km (0.1 R)
• M16: 17,394,193 km (0.118 R)
• M17: 18,206,659 km (0.113 R)
• M18: 19,355,272 km (0.119 R)
• M19: 23,892,426 km (0.06 R)
• M20: 24,711,923 km (0.105 R)
• M21: 25,268,576 km (0.08 R)
• M22: 25,738,912 km (0.062 R)
• M23: 27,283,061 km (0.047 R)
• M24: 27,977,794 km (0.11 R)
• M25: 31,521,169 km (0.102 R)
• M26: 32,396,466 km (0.091 R)
• M27: 38,733,881 km (0.105 R)
• M28: 39,359,499 km (0.11 R)
• M29: 42,060,788 km (0.06 R)
• M30: 43,121,736 km (0.092 R)
• M31: 43,524,005 km (0.058 R)

Asteroid Belt

Center: 7.4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.4

Radius: 5.3

Gravity: 14.22 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.31 AU - 11.37 AU

Year: 19035 Days

Day: 15.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,835,060 km

• M1: 67,319 km (0.05 R)
• M2: 238,160 km (0.111 R)
• M3: 720,164 km (0.067 R)
• M4: 1,014,423 km (0.097 R)
• M5: 1,659,340 km (0.07 R)
• M6: 1,843,644 km (0.063 R)
• M7: 2,745,570 km (0.117 R)
• M8: 3,152,775 km (0.091 R)
• M9: 4,087,163 km (0.119 R)
• M10: 4,488,983 km (0.118 R)
• M11: 5,088,272 km (0.099 R)
• M12: 7,382,954 km (0.043 R)
• M13: 7,884,855 km (0.083 R)
• M14: 8,804,732 km (0.076 R)
• M15: 11,384,099 km (0.114 R)
• M16: 11,564,065 km (0.045 R)
• M17: 12,366,059 km (0.068 R)
• M18: 13,007,535 km (0.1 R)
• M19: 13,942,821 km (0.112 R)
• M20: 14,921,939 km (0.061 R)
• M21: 16,096,282 km (0.055 R)
• M22: 19,045,155 km (0.092 R)
• M23: 22,712,248 km (0.042 R)
• M24: 24,461,047 km (0.112 R)
• M25: 27,571,785 km (0.115 R)
• M26: 28,443,642 km (0.061 R)
• M27: 33,941,064 km (0.084 R)
• M28: 37,003,482 km (0.087 R)
• M29: 40,662,945 km (0.047 R)
• M30: 43,964,720 km (0.107 R)
• M31: 46,059,539 km (0.086 R)
• M32: 49,803,824 km (0.102 R)
• M33: 54,592,751 km (0.074 R)
• M34: 57,891,234 km (0.073 R)
• M35: 60,770,096 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.6

Radius: 6.6

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 9.09 AU - 12.91 AU

Year: 24329 Days

Day: 20.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,835,060 km

• M1: 141,071 km (0.084 R)
• M2: 498,759 km (0.069 R)
• M3: 911,500 km (0.084 R)
• M4: 1,373,308 km (0.115 R)
• M5: 2,512,347 km (0.078 R)
• M6: 3,769,717 km (0.066 R)
• M7: 4,330,858 km (0.102 R)
• M8: 4,615,394 km (0.12 R)
• M9: 5,292,623 km (0.116 R)
• M10: 6,552,088 km (0.119 R)
• M11: 7,185,934 km (0.096 R)
• M12: 9,701,721 km (0.113 R)
• M13: 16,008,169 km (0.052 R)
• M14: 16,536,399 km (0.058 R)
• M15: 20,920,365 km (0.074 R)
• M16: 23,813,288 km (0.073 R)
• M17: 25,405,907 km (0.052 R)
• M18: 27,602,303 km (0.106 R)
• M19: 27,817,874 km (0.103 R)
• M20: 32,849,448 km (0.114 R)
• M21: 34,945,614 km (0.094 R)
• M22: 40,503,324 km (0.099 R)
• M23: 42,911,102 km (0.034 R)
• M24: 52,005,905 km (0.061 R)
• M25: 52,334,870 km (0.085 R)
• M26: 56,912,864 km (0.11 R)
• M27: 60,108,873 km (0.076 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 15,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit