🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.7

Radius: 8.2

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.67 AU - 0.69 AU

Year: 357 Days

Day: 8.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,604,693 km

• M1: 102,026 km (0.116 R)
• M2: 270,323 km (0.034 R)
• M3: 476,768 km (0.089 R)
• M4: 665,112 km (0.085 R)
• M5: 1,253,331 km (0.059 R)
• M6: 1,454,540 km (0.05 R)
• M7: 1,749,846 km (0.117 R)
• M8: 2,019,122 km (0.106 R)
• M9: 2,205,821 km (0.053 R)
• M10: 2,427,824 km (0.112 R)
• M11: 2,639,804 km (0.093 R)
• M12: 2,861,209 km (0.093 R)
• M13: 3,061,520 km (0.077 R)
• M14: 3,363,409 km (0.117 R)
• M15: 3,556,390 km (0.113 R)
• M16: 3,805,321 km (0.079 R)
• M17: 4,036,899 km (0.098 R)
• M18: 4,320,387 km (0.114 R)
• M19: 4,493,471 km (0.112 R)
• M20: 4,840,239 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.3

Radius: 9.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.89 AU - 1.03 AU

Year: 598 Days

Day: 6.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,604,693 km

• M1: 134,339 km (0.102 R)
• M2: 399,127 km (0.045 R)
• M3: 742,903 km (0.048 R)
• M4: 944,411 km (0.049 R)
• M5: 1,397,095 km (0.086 R)
• M6: 1,768,396 km (0.112 R)
• M7: 2,030,492 km (0.062 R)
• M8: 2,341,805 km (0.073 R)
• M9: 2,588,642 km (0.111 R)
• M10: 2,966,227 km (0.088 R)
• M11: 3,253,604 km (0.055 R)
• M12: 3,536,194 km (0.102 R)
• M13: 3,782,582 km (0.098 R)
• M14: 4,097,486 km (0.117 R)
• M15: 4,897,535 km (0.049 R)
• M16: 5,325,086 km (0.058 R)
• M17: 5,976,136 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.5

Radius: 12.8

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.54 AU - 2.2 AU

Year: 1626 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,604,693 km

• M1: 159,471 km (0.085 R)
• M2: 432,188 km (0.085 R)
• M3: 753,973 km (0.062 R)
• M4: 1,000,062 km (0.072 R)
• M5: 1,296,116 km (0.109 R)
• M6: 1,543,252 km (0.109 R)
• M7: 1,796,371 km (0.091 R)
• M8: 2,090,481 km (0.106 R)
• M9: 2,430,217 km (0.084 R)
• M10: 2,809,149 km (0.054 R)
• M11: 4,277,901 km (0.044 R)
• M12: 4,616,441 km (0.104 R)
• M13: 5,141,380 km (0.076 R)
• M14: 5,382,232 km (0.065 R)
• M15: 5,645,375 km (0.065 R)
• M16: 6,086,838 km (0.115 R)
• M17: 6,635,414 km (0.111 R)
• M18: 7,133,126 km (0.075 R)
• M19: 8,840,935 km (0.068 R)
• M20: 9,264,895 km (0.114 R)
• M21: 9,808,983 km (0.106 R)
• M22: 10,053,426 km (0.053 R)
• M23: 10,805,155 km (0.105 R)
• M24: 11,297,781 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819

Radius: 8.3

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.79 AU - 6.39 AU

Year: 8403 Days

Day: 14.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,604,693 km

• M1: 106,813 km (0.089 R)
• M2: 494,122 km (0.067 R)
• M3: 701,016 km (0.091 R)
• M4: 1,066,782 km (0.057 R)
• M5: 3,596,482 km (0.116 R)
• M6: 4,280,444 km (0.069 R)
• M7: 4,559,743 km (0.096 R)
• M8: 4,760,653 km (0.064 R)
• M9: 4,995,671 km (0.112 R)
• M10: 6,664,585 km (0.064 R)
• M11: 7,480,642 km (0.102 R)
• M12: 8,190,932 km (0.088 R)
• M13: 10,517,329 km (0.077 R)
• M14: 11,584,859 km (0.093 R)
• M15: 14,379,497 km (0.117 R)
• M16: 15,308,649 km (0.045 R)
• M17: 19,259,080 km (0.074 R)
• M18: 20,881,020 km (0.109 R)
• M19: 21,747,940 km (0.101 R)
• M20: 22,124,927 km (0.108 R)
• M21: 24,190,424 km (0.088 R)
• M22: 24,654,627 km (0.07 R)
• M23: 26,073,712 km (0.093 R)
• M24: 27,603,051 km (0.073 R)
• M25: 35,986,815 km (0.111 R)
• M26: 42,895,693 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.9

Radius: 4.5

Gravity: 27.16 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.66 AU - 9.48 AU

Year: 14576 Days

Day: 23.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 44,604,693 km

• M1: 56,847 km (0.027 R)
• M2: 204,799 km (0.088 R)
• M3: 312,809 km (0.113 R)
• M4: 735,722 km (0.053 R)
• M5: 893,698 km (0.098 R)
• M6: 978,819 km (0.074 R)
• M7: 1,098,647 km (0.098 R)
• M8: 1,395,299 km (0.116 R)
• M9: 1,768,247 km (0.114 R)
• M10: 2,165,130 km (0.071 R)
• M11: 2,926,733 km (0.042 R)
• M12: 4,934,187 km (0.069 R)
• M13: 5,136,742 km (0.063 R)
• M14: 5,589,724 km (0.119 R)
• M15: 7,594,934 km (0.058 R)
• M16: 8,847,667 km (0.097 R)
• M17: 9,164,515 km (0.079 R)
• M18: 10,882,348 km (0.103 R)
• M19: 12,802,287 km (0.046 R)
• M20: 13,681,174 km (0.117 R)
• M21: 14,131,464 km (0.115 R)
• M22: 17,049,969 km (0.059 R)
• M23: 18,062,447 km (0.078 R)
• M24: 20,175,218 km (0.087 R)
• M25: 20,584,368 km (0.052 R)
• M26: 23,126,036 km (0.069 R)
• M27: 24,006,270 km (0.06 R)
• M28: 26,511,735 km (0.115 R)
• M29: 27,453,752 km (0.089 R)
• M30: 29,387,006 km (0.12 R)
• M31: 30,046,134 km (0.114 R)
• M32: 36,948,131 km (0.093 R)
• M33: 38,432,890 km (0.058 R)
• M34: 39,375,805 km (0.097 R)
• M35: 41,685,447 km (0.078 R)
• M36: 41,782,984 km (0.084 R)
• M37: 43,063,093 km (0.098 R)
• M38: 44,261,821 km (0.083 R)
• M39: 47,123,030 km (0.1 R)
• M40: 47,539,062 km (0.119 R)
• M41: 48,271,643 km (0.116 R)
• M42: 50,610,306 km (0.117 R)
• M43: 51,041,447 km (0.098 R)
• M44: 53,114,425 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.3

Radius: 4.5

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.17 AU - 10.83 AU

Year: 17167 Days

Day: 23.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,604,693 km

• M1: 763,248 km (0.049 R)
• M2: 941,569 km (0.048 R)
• M3: 1,182,272 km (0.102 R)
• M4: 2,212,104 km (0.049 R)
• M5: 2,930,024 km (0.068 R)
• M6: 3,279,485 km (0.096 R)
• M7: 3,906,599 km (0.108 R)
• M8: 4,364,817 km (0.12 R)
• M9: 4,907,259 km (0.105 R)
• M10: 5,389,114 km (0.054 R)
• M11: 5,733,638 km (0.103 R)
• M12: 5,893,857 km (0.119 R)
• M13: 6,187,667 km (0.071 R)
• M14: 6,287,299 km (0.105 R)
• M15: 6,488,808 km (0.119 R)
• M16: 9,771,583 km (0.115 R)
• M17: 10,664,982 km (0.088 R)
• M18: 13,532,025 km (0.077 R)
• M19: 16,469,828 km (0.07 R)
• M20: 19,343,902 km (0.116 R)
• M21: 22,576,263 km (0.091 R)
• M22: 31,265,357 km (0.07 R)
• M23: 31,414,805 km (0.091 R)
• M24: 34,319,696 km (0.111 R)
• M25: 36,060,268 km (0.109 R)
• M26: 38,669,105 km (0.091 R)
• M27: 38,835,158 km (0.078 R)
• M28: 39,586,888 km (0.116 R)
• M29: 39,839,110 km (0.107 R)
• M30: 40,430,620 km (0.054 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 13,370 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit