🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.2

Radius: 12.7

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.41 AU - 0.67 AU

Year: 269 Days

Day: 10.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,947,023 km

• M1: 157,975 km (0.112 R)
• M2: 648,806 km (0.097 R)
• M3: 1,060,350 km (0.1 R)
• M4: 1,552,078 km (0.109 R)
• M5: 2,108,432 km (0.064 R)
• M6: 2,518,480 km (0.095 R)
• M7: 2,972,360 km (0.1 R)
• M8: 3,674,872 km (0.108 R)
• M9: 4,392,792 km (0.092 R)
• M10: 4,827,822 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.5

Radius: 12.7

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.58 AU - 0.9 AU

Year: 432 Days

Day: 10.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,947,023 km

• M1: 185,501 km (0.049 R)
• M2: 764,296 km (0.116 R)
• M3: 1,203,964 km (0.119 R)
• M4: 2,042,310 km (0.096 R)
• M5: 2,648,182 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.4

Radius: 14

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.14 AU - 1.24 AU

Year: 880 Days

Day: 8.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,947,023 km

• M1: 174,132 km (0.099 R)
• M2: 628,610 km (0.096 R)
• M3: 1,114,504 km (0.087 R)
• M4: 1,641,986 km (0.102 R)
• M5: 2,451,311 km (0.1 R)
• M6: 2,959,943 km (0.057 R)
• M7: 3,526,471 km (0.109 R)
• M8: 4,468,339 km (0.063 R)
• M9: 5,136,293 km (0.079 R)
• M10: 6,253,341 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.8

Radius: 13.1

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.7 AU - 1.82 AU

Year: 1584 Days

Day: 11.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,947,023 km

• M1: 164,109 km (0.107 R)
• M2: 579,393 km (0.105 R)
• M3: 987,645 km (0.086 R)
• M4: 1,610,421 km (0.079 R)
• M5: 3,026,963 km (0.12 R)
• M6: 3,511,062 km (0.112 R)
• M7: 4,268,925 km (0.049 R)
• M8: 4,964,106 km (0.025 R)
• M9: 5,967,609 km (0.031 R)
• M10: 6,455,148 km (0.103 R)
• M11: 7,102,009 km (0.118 R)
• M12: 7,706,684 km (0.098 R)
• M13: 8,616,837 km (0.116 R)
• M14: 9,177,530 km (0.105 R)
• M15: 9,630,213 km (0.12 R)
• M16: 10,337,512 km (0.072 R)
• M17: 11,297,482 km (0.102 R)
• M18: 11,742,834 km (0.055 R)
• M19: 13,271,874 km (0.104 R)
• M20: 13,978,425 km (0.067 R)
• M21: 14,448,910 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.7

Radius: 12.1

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.37 AU - 2.65 AU

Year: 2697 Days

Day: 13.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,947,023 km

• M1: 150,645 km (0.088 R)
• M2: 839,693 km (0.034 R)
• M3: 1,833,920 km (0.114 R)
• M4: 2,404,038 km (0.064 R)
• M5: 3,105,951 km (0.089 R)
• M6: 3,548,611 km (0.104 R)
• M7: 4,166,151 km (0.085 R)
• M8: 4,961,862 km (0.037 R)
• M9: 6,202,328 km (0.115 R)
• M10: 8,023,682 km (0.113 R)
• M11: 10,107,879 km (0.099 R)
• M12: 11,049,748 km (0.118 R)
• M13: 12,368,752 km (0.036 R)
• M14: 14,857,163 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.3

Radius: 8.5

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.99 AU - 6.21 AU

Year: 7812 Days

Day: 9.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,947,023 km

• M1: 105,915 km (0.106 R)
• M2: 380,427 km (0.118 R)
• M3: 1,477,578 km (0.081 R)
• M4: 1,851,124 km (0.106 R)
• M5: 3,038,333 km (0.104 R)
• M6: 3,449,727 km (0.104 R)
• M7: 5,275,868 km (0.103 R)
• M8: 6,413,111 km (0.077 R)
• M9: 8,753,420 km (0.093 R)
• M10: 9,081,189 km (0.028 R)
• M11: 9,718,027 km (0.089 R)
• M12: 11,175,859 km (0.092 R)
• M13: 11,561,971 km (0.093 R)
• M14: 12,878,731 km (0.101 R)
• M15: 18,077,257 km (0.119 R)
• M16: 21,504,096 km (0.103 R)
• M17: 23,803,116 km (0.104 R)
• M18: 25,258,553 km (0.086 R)
• M19: 28,434,965 km (0.097 R)
• M20: 30,444,663 km (0.11 R)
• M21: 31,484,368 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461

Radius: 10.3

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.02 AU - 5.66 AU

Year: 8370 Days

Day: 6.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,947,023 km

• M1: 131,197 km (0.113 R)
• M2: 1,016,218 km (0.106 R)
• M3: 1,513,332 km (0.054 R)
• M4: 2,233,197 km (0.075 R)
• M5: 2,766,065 km (0.04 R)
• M6: 4,692,137 km (0.088 R)
• M7: 5,538,562 km (0.087 R)
• M8: 5,885,180 km (0.064 R)
• M9: 6,415,205 km (0.054 R)
• M10: 10,011,538 km (0.098 R)
• M11: 10,385,084 km (0.08 R)
• M12: 11,359,864 km (0.105 R)
• M13: 12,989,583 km (0.113 R)
• M14: 13,889,115 km (0.115 R)
• M15: 15,254,345 km (0.071 R)
• M16: 17,366,667 km (0.062 R)
• M17: 17,770,731 km (0.108 R)
• M18: 18,808,192 km (0.092 R)
• M19: 21,539,700 km (0.094 R)
• M20: 22,400,187 km (0.052 R)
• M21: 22,798,865 km (0.048 R)
• M22: 27,140,195 km (0.114 R)
• M23: 28,515,000 km (0.085 R)
• M24: 31,902,494 km (0.062 R)
• M25: 33,020,289 km (0.091 R)
• M26: 34,586,280 km (0.097 R)
• M27: 35,765,709 km (0.104 R)
• M28: 36,201,189 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.8

Radius: 6.5

Gravity: 12.3 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.58 AU - 7.04 AU

Year: 10751 Days

Day: 22 Hours

Environment

Temp: -219 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,947,023 km

• M1: 91,703 km (0.034 R)
• M2: 309,817 km (0.101 R)
• M3: 721,959 km (0.098 R)
• M4: 1,186,311 km (0.119 R)
• M5: 1,432,100 km (0.081 R)
• M6: 2,147,328 km (0.105 R)
• M7: 2,735,547 km (0.106 R)
• M8: 3,100,865 km (0.066 R)
• M9: 4,366,762 km (0.083 R)
• M10: 4,685,854 km (0.109 R)
• M11: 5,273,774 km (0.114 R)
• M12: 6,049,738 km (0.108 R)
• M13: 8,697,471 km (0.07 R)
• M14: 11,697,506 km (0.092 R)
• M15: 11,975,010 km (0.038 R)
• M16: 12,600,928 km (0.056 R)
• M17: 13,671,749 km (0.117 R)
• M18: 14,482,121 km (0.038 R)
• M19: 15,192,262 km (0.118 R)
• M20: 22,236,377 km (0.115 R)
• M21: 23,007,105 km (0.037 R)
• M22: 23,268,004 km (0.088 R)
• M23: 25,057,793 km (0.103 R)
• M24: 29,723,751 km (0.1 R)
• M25: 32,260,332 km (0.093 R)
• M26: 41,366,953 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.6

Radius: 3.8

Gravity: 19.71 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.08 AU - 7.8 AU

Year: 12400 Days

Day: 17.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 50,947,023 km

• M1: 47,871 km (0.094 R)
• M2: 175,628 km (0.107 R)
• M3: 308,321 km (0.055 R)
• M4: 723,007 km (0.077 R)
• M5: 2,052,483 km (0.084 R)
• M6: 2,292,139 km (0.095 R)
• M7: 2,786,560 km (0.087 R)
• M8: 3,656,471 km (0.118 R)
• M9: 4,034,804 km (0.057 R)
• M10: 4,220,006 km (0.07 R)
• M11: 4,383,367 km (0.057 R)
• M12: 4,636,188 km (0.09 R)
• M13: 4,839,342 km (0.085 R)
• M14: 5,048,629 km (0.099 R)
• M15: 5,646,871 km (0.086 R)
• M16: 6,221,027 km (0.114 R)
• M17: 6,432,708 km (0.092 R)
• M18: 7,804,970 km (0.11 R)
• M19: 10,506,109 km (0.089 R)
• M20: 11,112,279 km (0.118 R)
• M21: 11,794,895 km (0.082 R)
• M22: 12,729,133 km (0.104 R)
• M23: 13,359,239 km (0.057 R)
• M24: 14,130,566 km (0.105 R)
• M25: 16,621,819 km (0.088 R)
• M26: 17,723,309 km (0.096 R)
• M27: 18,148,615 km (0.09 R)
• M28: 20,377,923 km (0.106 R)
• M29: 20,610,398 km (0.106 R)
• M30: 21,398,180 km (0.116 R)
• M31: 21,799,551 km (0.116 R)
• M32: 26,001,756 km (0.088 R)
• M33: 27,014,084 km (0.087 R)
• M34: 29,708,940 km (0.086 R)
• M35: 31,223,619 km (0.058 R)
• M36: 33,001,739 km (0.108 R)
• M37: 33,215,365 km (0.079 R)
• M38: 37,449,433 km (0.1 R)
• M39: 39,215,287 km (0.039 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.4

Radius: 4.4

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 9.08 AU - 9.22 AU

Year: 18773 Days

Day: 20.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,947,023 km

• M1: 54,753 km (0.079 R)
• M2: 216,319 km (0.104 R)
• M3: 437,873 km (0.08 R)
• M4: 574,755 km (0.088 R)
• M5: 715,227 km (0.045 R)
• M6: 1,067,530 km (0.109 R)
• M7: 1,630,318 km (0.108 R)
• M8: 2,293,335 km (0.03 R)
• M9: 2,936,457 km (0.082 R)
• M10: 5,304,890 km (0.095 R)
• M11: 12,066,714 km (0.06 R)
• M12: 13,710,944 km (0.082 R)
• M13: 15,156,508 km (0.057 R)
• M14: 20,427,739 km (0.086 R)
• M15: 20,761,192 km (0.065 R)
• M16: 22,483,513 km (0.113 R)
• M17: 26,504,404 km (0.12 R)
• M18: 34,382,976 km (0.057 R)
• M19: 34,973,439 km (0.115 R)
• M20: 37,777,053 km (0.096 R)
• M21: 38,153,441 km (0.114 R)
• M22: 46,073,152 km (0.05 R)
• M23: 49,735,308 km (0.081 R)
• M24: 50,947,051 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 12,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit