🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.55 AU - 0.63 AU

Year: 297 Days

Day: 28.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.1

Radius: 9.1

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.76 AU - 1.25 AU

Year: 656 Days

Day: 8.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,221,375 km

• M1: 113,246 km (0.042 R)
• M2: 429,047 km (0.116 R)
• M3: 852,109 km (0.11 R)
• M4: 1,265,299 km (0.106 R)
• M5: 2,096,165 km (0.039 R)
• M6: 3,114,777 km (0.113 R)
• M7: 4,301,537 km (0.11 R)
• M8: 4,706,050 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.7

Radius: 11.5

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.18 AU - 1.56 AU

Year: 1052 Days

Day: 6.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,221,375 km

• M1: 153,487 km (0.03 R)
• M2: 532,419 km (0.097 R)
• M3: 991,983 km (0.111 R)
• M4: 1,413,550 km (0.099 R)
• M5: 1,955,693 km (0.039 R)
• M6: 2,695,754 km (0.112 R)
• M7: 3,522,581 km (0.087 R)
• M8: 4,230,927 km (0.078 R)
• M9: 4,935,982 km (0.095 R)
• M10: 5,802,453 km (0.071 R)
• M11: 6,373,767 km (0.094 R)
• M12: 7,030,801 km (0.083 R)
• M13: 7,527,316 km (0.1 R)
• M14: 8,020,540 km (0.076 R)
• M15: 8,815,055 km (0.111 R)
• M16: 9,965,313 km (0.089 R)
• M17: 10,401,839 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.9

Radius: 12.9

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.38 AU - 2.28 AU

Year: 1624 Days

Day: 10.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,221,375 km

• M1: 160,519 km (0.07 R)
• M2: 635,941 km (0.112 R)
• M3: 1,194,988 km (0.088 R)
• M4: 1,843,644 km (0.091 R)
• M5: 2,434,556 km (0.113 R)
• M6: 3,212,465 km (0.103 R)
• M7: 3,765,678 km (0.09 R)
• M8: 4,382,021 km (0.096 R)
• M9: 5,605,133 km (0.114 R)
• M10: 6,208,611 km (0.096 R)
• M11: 7,689,929 km (0.095 R)
• M12: 8,405,755 km (0.093 R)
• M13: 8,939,221 km (0.077 R)
• M14: 9,663,125 km (0.064 R)
• M15: 12,032,007 km (0.111 R)
• M16: 14,057,114 km (0.096 R)
• M17: 15,918,859 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.7

Radius: 13.1

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.43 AU - 2.83 AU

Year: 2798 Days

Day: 9.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,221,375 km

• M1: 163,062 km (0.081 R)
• M2: 576,401 km (0.115 R)
• M3: 1,121,236 km (0.04 R)
• M4: 1,959,134 km (0.098 R)
• M5: 2,623,348 km (0.118 R)
• M6: 3,342,316 km (0.062 R)
• M7: 3,959,856 km (0.109 R)
• M8: 4,652,643 km (0.12 R)
• M9: 5,125,672 km (0.078 R)
• M10: 6,653,664 km (0.069 R)
• M11: 8,060,333 km (0.046 R)
• M12: 9,211,788 km (0.094 R)
• M13: 10,311,632 km (0.055 R)
• M14: 11,244,823 km (0.053 R)
• M15: 12,455,968 km (0.111 R)
• M16: 13,467,100 km (0.094 R)
• M17: 13,992,786 km (0.106 R)
• M18: 15,496,544 km (0.059 R)
• M19: 16,503,188 km (0.077 R)
• M20: 18,238,524 km (0.064 R)
• M21: 19,360,657 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.1

Radius: 13.5

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.78 AU - 4.64 AU

Year: 5667 Days

Day: 8 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,221,375 km

• M1: 168,746 km (0.08 R)
• M2: 1,031,328 km (0.101 R)
• M3: 1,516,623 km (0.051 R)
• M4: 2,428,422 km (0.071 R)
• M5: 3,312,246 km (0.12 R)
• M6: 3,829,556 km (0.118 R)
• M7: 5,544,845 km (0.103 R)
• M8: 6,813,585 km (0.084 R)
• M9: 7,413,322 km (0.108 R)
• M10: 8,304,776 km (0.095 R)
• M11: 11,457,103 km (0.081 R)
• M12: 13,249,135 km (0.099 R)
• M13: 14,944,229 km (0.064 R)
• M14: 17,019,301 km (0.044 R)
• M15: 17,505,344 km (0.083 R)
• M16: 19,084,500 km (0.077 R)
• M17: 20,076,333 km (0.112 R)
• M18: 22,235,031 km (0.066 R)
• M19: 23,707,373 km (0.086 R)
• M20: 25,243,743 km (0.05 R)
• M21: 27,091,576 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.1

Radius: 6.4

Gravity: 24.1 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.2 AU - 8.34 AU

Year: 14208 Days

Day: 17.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,221,375 km

• M1: 82,578 km (0.057 R)
• M2: 329,265 km (0.069 R)
• M3: 540,946 km (0.097 R)
• M4: 847,771 km (0.042 R)
• M5: 1,060,350 km (0.094 R)
• M6: 1,470,248 km (0.093 R)
• M7: 1,999,675 km (0.105 R)
• M8: 2,649,079 km (0.051 R)
• M9: 2,886,192 km (0.089 R)
• M10: 3,268,265 km (0.1 R)
• M11: 3,770,914 km (0.092 R)
• M12: 4,196,519 km (0.113 R)
• M13: 5,252,531 km (0.115 R)
• M14: 6,688,820 km (0.082 R)
• M15: 9,360,788 km (0.104 R)
• M16: 10,312,380 km (0.05 R)
• M17: 12,146,599 km (0.045 R)
• M18: 12,736,763 km (0.09 R)
• M19: 14,331,626 km (0.118 R)
• M20: 15,977,352 km (0.09 R)
• M21: 17,579,395 km (0.11 R)
• M22: 18,849,033 km (0.111 R)
• M23: 21,951,244 km (0.091 R)
• M24: 24,748,574 km (0.089 R)
• M25: 25,483,399 km (0.042 R)
• M26: 26,017,014 km (0.093 R)
• M27: 27,774,939 km (0.096 R)
• M28: 33,267,425 km (0.057 R)
• M29: 36,942,147 km (0.085 R)
• M30: 38,456,825 km (0.066 R)
• M31: 38,736,573 km (0.101 R)
• M32: 40,588,445 km (0.116 R)
• M33: 44,467,668 km (0.088 R)
• M34: 48,913,866 km (0.118 R)
• M35: 59,982,463 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.3

Radius: 4.7

Gravity: 20.2 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.27 AU - 10.07 AU

Year: 15319 Days

Day: 15.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,221,375 km

• M1: 58,493 km (0.073 R)
• M2: 244,593 km (0.084 R)
• M3: 407,654 km (0.116 R)
• M4: 554,859 km (0.099 R)
• M5: 792,719 km (0.036 R)
• M6: 1,562,849 km (0.086 R)
• M7: 2,303,957 km (0.073 R)
• M8: 2,589,539 km (0.092 R)
• M9: 3,305,515 km (0.118 R)
• M10: 3,536,194 km (0.099 R)
• M11: 3,860,373 km (0.068 R)
• M12: 5,604,834 km (0.068 R)
• M13: 9,850,122 km (0.087 R)
• M14: 10,167,120 km (0.083 R)
• M15: 11,561,522 km (0.077 R)
• M16: 17,174,883 km (0.103 R)
• M17: 23,798,927 km (0.105 R)
• M18: 29,049,812 km (0.043 R)
• M19: 29,591,955 km (0.079 R)
• M20: 30,030,576 km (0.057 R)
• M21: 34,295,312 km (0.118 R)
• M22: 47,353,710 km (0.112 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: 537 - 18,708 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit