🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.1

Radius: 10.1

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.53 AU - 0.57 AU

Year: 272 Days

Day: 11.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,175,403 km

• M1: 125,662 km (0.099 R)
• M2: 472,580 km (0.032 R)
• M3: 1,027,438 km (0.097 R)
• M4: 1,652,009 km (0.095 R)
• M5: 1,999,376 km (0.092 R)
• M6: 2,716,099 km (0.095 R)
• M7: 3,595,435 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847

Radius: 14.7

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.48 AU - 0.72 AU

Year: 310 Days

Day: 14.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,175,403 km

• M1: 182,809 km (0.112 R)
• M2: 694,134 km (0.109 R)
• M3: 1,400,535 km (0.103 R)
• M4: 1,941,631 km (0.072 R)
• M5: 2,613,774 km (0.096 R)
• M6: 3,349,796 km (0.105 R)
• M7: 3,980,799 km (0.111 R)
• M8: 4,471,630 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.7

Radius: 13.3

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.61 AU - 0.85 AU

Year: 416 Days

Day: 10.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,175,403 km

• M1: 165,455 km (0.058 R)
• M2: 606,919 km (0.031 R)
• M3: 1,067,530 km (0.103 R)
• M4: 1,598,004 km (0.084 R)
• M5: 2,093,173 km (0.109 R)
• M6: 2,566,651 km (0.12 R)
• M7: 3,090,393 km (0.049 R)
• M8: 3,883,112 km (0.049 R)
• M9: 4,549,570 km (0.107 R)
• M10: 5,075,706 km (0.078 R)
• M11: 5,528,988 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.3

Radius: 10.7

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.81 AU - 1.15 AU

Year: 647 Days

Day: 13.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,175,403 km

• M1: 133,142 km (0.046 R)
• M2: 484,398 km (0.062 R)
• M3: 1,027,289 km (0.115 R)
• M4: 1,399,638 km (0.103 R)
• M5: 1,751,791 km (0.088 R)
• M6: 2,821,865 km (0.096 R)
• M7: 3,442,845 km (0.097 R)
• M8: 3,833,296 km (0.075 R)
• M9: 4,400,272 km (0.12 R)
• M10: 5,388,814 km (0.115 R)
• M11: 5,755,329 km (0.071 R)
• M12: 6,138,599 km (0.104 R)
• M13: 6,499,878 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.6

Radius: 14.6

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.37 AU - 1.43 AU

Year: 1105 Days

Day: 14.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,175,403 km

• M1: 181,911 km (0.104 R)
• M2: 723,455 km (0.111 R)
• M3: 1,635,703 km (0.109 R)
• M4: 2,117,857 km (0.062 R)
• M5: 2,732,405 km (0.114 R)
• M6: 3,639,716 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.8

Radius: 14.7

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.63 AU - 3.63 AU

Year: 3693 Days

Day: 6.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,175,403 km

• M1: 186,249 km (0.028 R)
• M2: 686,804 km (0.095 R)
• M3: 1,160,730 km (0.11 R)
• M4: 2,719,240 km (0.093 R)
• M5: 3,308,955 km (0.058 R)
• M6: 4,129,350 km (0.108 R)
• M7: 5,405,121 km (0.077 R)
• M8: 6,232,546 km (0.107 R)
• M9: 7,841,621 km (0.112 R)
• M10: 9,155,838 km (0.054 R)
• M11: 10,020,065 km (0.094 R)
• M12: 11,481,188 km (0.105 R)
• M13: 12,576,693 km (0.114 R)
• M14: 13,597,399 km (0.057 R)
• M15: 15,541,872 km (0.097 R)
• M16: 17,439,372 km (0.106 R)
• M17: 18,124,231 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.1

Radius: 9.8

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.86 AU - 5.14 AU

Year: 7456 Days

Day: 8.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,175,403 km

• M1: 122,521 km (0.105 R)
• M2: 474,225 km (0.059 R)
• M3: 892,052 km (0.039 R)
• M4: 1,527,993 km (0.082 R)
• M5: 1,860,399 km (0.118 R)
• M6: 2,274,187 km (0.079 R)
• M7: 2,730,311 km (0.063 R)
• M8: 3,101,463 km (0.067 R)
• M9: 4,345,070 km (0.116 R)
• M10: 4,661,619 km (0.107 R)
• M11: 4,993,727 km (0.05 R)
• M12: 5,613,062 km (0.044 R)
• M13: 7,478,996 km (0.056 R)
• M14: 8,131,093 km (0.109 R)
• M15: 10,270,343 km (0.092 R)
• M16: 11,320,968 km (0.078 R)
• M17: 12,389,247 km (0.032 R)
• M18: 12,867,212 km (0.119 R)
• M19: 17,144,514 km (0.116 R)
• M20: 17,939,178 km (0.057 R)
• M21: 18,827,640 km (0.118 R)
• M22: 20,105,804 km (0.034 R)
• M23: 21,440,965 km (0.116 R)
• M24: 23,072,330 km (0.042 R)
• M25: 25,714,827 km (0.063 R)
• M26: 28,460,995 km (0.032 R)
• M27: 29,387,006 km (0.101 R)
• M28: 32,686,088 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.1

Radius: 4.2

Gravity: 46.43 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.49 AU - 6.19 AU

Year: 9411 Days

Day: 20.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 66.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,175,403 km

• M1: 58,642 km (0.097 R)
• M2: 259,702 km (0.102 R)
• M3: 460,462 km (0.12 R)
• M4: 1,067,231 km (0.087 R)
• M5: 1,651,560 km (0.068 R)
• M6: 1,953,599 km (0.112 R)
• M7: 2,564,706 km (0.054 R)
• M8: 3,037,435 km (0.105 R)
• M9: 3,440,751 km (0.096 R)
• M10: 4,014,459 km (0.071 R)
• M11: 4,181,560 km (0.119 R)
• M12: 6,116,608 km (0.079 R)
• M13: 6,412,962 km (0.105 R)
• M14: 7,074,483 km (0.059 R)
• M15: 7,695,015 km (0.107 R)
• M16: 8,901,971 km (0.081 R)
• M17: 10,542,012 km (0.115 R)
• M18: 11,076,077 km (0.083 R)
• M19: 11,239,886 km (0.116 R)
• M20: 11,405,192 km (0.11 R)
• M21: 13,767,642 km (0.074 R)
• M22: 14,405,377 km (0.111 R)
• M23: 18,118,097 km (0.099 R)
• M24: 18,883,440 km (0.082 R)
• M25: 21,817,503 km (0.099 R)
• M26: 23,036,127 km (0.082 R)
• M27: 23,392,469 km (0.116 R)
• M28: 33,426,447 km (0.114 R)
• M29: 38,057,848 km (0.108 R)
• M30: 47,697,336 km (0.092 R)
• M31: 48,713,106 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.6

Radius: 5.6

Gravity: 29.96 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.18 AU - 7.44 AU

Year: 10570 Days

Day: 17.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,175,403 km

• M1: 70,909 km (0.105 R)
• M2: 255,962 km (0.094 R)
• M3: 603,029 km (0.087 R)
• M4: 1,143,975 km (0.061 R)
• M5: 1,762,113 km (0.116 R)
• M6: 2,107,684 km (0.077 R)
• M7: 2,415,856 km (0.094 R)
• M8: 2,709,666 km (0.032 R)
• M9: 2,888,136 km (0.099 R)
• M10: 3,170,428 km (0.11 R)
• M11: 3,471,119 km (0.106 R)
• M12: 4,488,535 km (0.068 R)
• M13: 5,547,687 km (0.1 R)
• M14: 5,763,408 km (0.096 R)
• M15: 7,696,661 km (0.061 R)
• M16: 8,147,848 km (0.029 R)
• M17: 13,739,517 km (0.098 R)
• M18: 16,300,782 km (0.074 R)
• M19: 19,082,106 km (0.091 R)
• M20: 19,327,297 km (0.091 R)
• M21: 20,756,405 km (0.109 R)
• M22: 23,447,521 km (0.092 R)
• M23: 30,390,209 km (0.114 R)
• M24: 31,628,431 km (0.088 R)
• M25: 32,782,877 km (0.054 R)
• M26: 33,370,498 km (0.107 R)
• M27: 35,421,185 km (0.095 R)
• M28: 45,474,761 km (0.066 R)
• M29: 52,017,124 km (0.064 R)
• M30: 53,785,970 km (0.106 R)
• M31: 55,097,494 km (0.036 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.6

Radius: 6.6

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.1 AU - 11.74 AU

Year: 19280 Days

Day: 17 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,175,403 km

• M1: 82,129 km (0.079 R)
• M2: 728,093 km (0.106 R)
• M3: 1,150,557 km (0.081 R)
• M4: 1,431,352 km (0.102 R)
• M5: 3,609,049 km (0.112 R)
• M6: 7,124,898 km (0.07 R)
• M7: 7,852,991 km (0.103 R)
• M8: 8,629,553 km (0.048 R)
• M9: 10,281,263 km (0.118 R)
• M10: 11,897,668 km (0.072 R)
• M11: 15,070,340 km (0.12 R)
• M12: 17,599,591 km (0.102 R)
• M13: 26,860,148 km (0.112 R)
• M14: 30,003,349 km (0.063 R)
• M15: 39,959,985 km (0.029 R)
• M16: 46,325,524 km (0.05 R)
• M17: 53,016,289 km (0.104 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 10,912 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit