🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.6

Radius: 13

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.66 AU - 0.66 AU

Year: 364 Days

Day: 10 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,550,754 km

• M1: 162,014 km (0.113 R)
• M2: 579,393 km (0.032 R)
• M3: 1,115,103 km (0.115 R)
• M4: 1,703,022 km (0.106 R)
• M5: 2,274,935 km (0.107 R)
• M6: 3,146,941 km (0.057 R)
• M7: 3,823,572 km (0.028 R)
• M8: 4,466,843 km (0.095 R)
• M9: 5,041,747 km (0.077 R)
• M10: 5,484,707 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.3

Radius: 11.2

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.72 AU - 1.02 AU

Year: 550 Days

Day: 9.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 175.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,550,754 km

• M1: 139,276 km (0.11 R)
• M2: 528,529 km (0.045 R)
• M3: 914,193 km (0.101 R)
• M4: 1,345,633 km (0.114 R)
• M5: 1,726,060 km (0.107 R)
• M6: 2,197,593 km (0.119 R)
• M7: 2,842,958 km (0.117 R)
• M8: 3,558,185 km (0.095 R)
• M9: 3,951,777 km (0.043 R)
• M10: 5,919,887 km (0.069 R)
• M11: 6,495,091 km (0.11 R)
• M12: 7,128,189 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948

Radius: 9.2

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.76 AU - 1.25 AU

Year: 678 Days

Day: 8.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,550,754 km

• M1: 114,442 km (0.107 R)
• M2: 516,711 km (0.101 R)
• M3: 945,907 km (0.086 R)
• M4: 1,291,478 km (0.069 R)
• M5: 1,843,195 km (0.081 R)
• M6: 2,478,538 km (0.114 R)
• M7: 3,045,663 km (0.109 R)
• M8: 3,470,072 km (0.084 R)
• M9: 3,813,998 km (0.116 R)
• M10: 4,421,664 km (0.051 R)
• M11: 4,723,254 km (0.119 R)
• M12: 5,020,654 km (0.091 R)
• M13: 6,254,986 km (0.092 R)
• M14: 6,636,012 km (0.074 R)
• M15: 7,444,738 km (0.098 R)
• M16: 8,805,181 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.6

Radius: 10.2

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.62 AU - 5.78 AU

Year: 8043 Days

Day: 9.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 123.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,550,754 km

• M1: 127,607 km (0.074 R)
• M2: 507,885 km (0.076 R)
• M3: 1,180,776 km (0.1 R)
• M4: 1,611,319 km (0.07 R)
• M5: 2,275,533 km (0.107 R)
• M6: 2,813,338 km (0.095 R)
• M7: 3,368,346 km (0.054 R)
• M8: 4,428,097 km (0.099 R)
• M9: 5,951,302 km (0.115 R)
• M10: 7,720,148 km (0.114 R)
• M11: 9,193,986 km (0.067 R)
• M12: 10,511,195 km (0.117 R)
• M13: 12,528,971 km (0.085 R)
• M14: 15,769,860 km (0.088 R)
• M15: 16,530,714 km (0.087 R)
• M16: 19,031,392 km (0.116 R)
• M17: 20,187,036 km (0.104 R)
• M18: 21,542,243 km (0.116 R)
• M19: 23,687,626 km (0.082 R)
• M20: 24,100,067 km (0.118 R)
• M21: 27,392,417 km (0.114 R)
• M22: 33,699,314 km (0.117 R)
• M23: 34,431,446 km (0.1 R)
• M24: 35,388,124 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.3

Radius: 7

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.01 AU - 10.85 AU

Year: 18100 Days

Day: 25 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,550,754 km

• M1: 87,216 km (0.114 R)
• M2: 379,231 km (0.109 R)
• M3: 1,145,471 km (0.049 R)
• M4: 1,621,342 km (0.061 R)
• M5: 3,415,619 km (0.067 R)
• M6: 3,686,840 km (0.065 R)
• M7: 4,031,214 km (0.037 R)
• M8: 4,851,459 km (0.067 R)
• M9: 6,203,824 km (0.096 R)
• M10: 7,117,867 km (0.104 R)
• M11: 9,107,070 km (0.07 R)
• M12: 10,509,101 km (0.098 R)
• M13: 11,380,359 km (0.086 R)
• M14: 15,644,197 km (0.093 R)
• M15: 16,547,320 km (0.096 R)
• M16: 16,933,581 km (0.115 R)
• M17: 18,539,664 km (0.076 R)
• M18: 20,597,682 km (0.078 R)
• M19: 22,425,170 km (0.094 R)
• M20: 24,858,229 km (0.078 R)
• M21: 25,982,457 km (0.043 R)
• M22: 26,609,871 km (0.105 R)
• M23: 27,354,419 km (0.088 R)
• M24: 28,332,042 km (0.081 R)
• M25: 31,522,366 km (0.089 R)
• M26: 36,483,929 km (0.039 R)
• M27: 43,094,958 km (0.111 R)
• M28: 50,139,222 km (0.075 R)
• M29: 50,623,620 km (0.117 R)
• M30: 59,522,898 km (0.117 R)
• M31: 60,612,420 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.7

Radius: 4.5

Gravity: 21.37 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.7 AU - 10.66 AU

Year: 18865 Days

Day: 21.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 80,550,754 km

• M1: 55,950 km (0.094 R)
• M2: 528,380 km (0.085 R)
• M3: 956,080 km (0.111 R)
• M4: 1,650,214 km (0.039 R)
• M5: 1,888,972 km (0.099 R)
• M6: 2,654,614 km (0.101 R)
• M7: 5,584,339 km (0.079 R)
• M8: 6,445,424 km (0.047 R)
• M9: 7,213,161 km (0.107 R)
• M10: 8,426,998 km (0.12 R)
• M11: 8,725,296 km (0.104 R)
• M12: 9,555,414 km (0.069 R)
• M13: 9,934,645 km (0.082 R)
• M14: 10,100,100 km (0.111 R)
• M15: 10,607,835 km (0.109 R)
• M16: 10,955,800 km (0.043 R)
• M17: 13,337,697 km (0.107 R)
• M18: 13,742,808 km (0.046 R)
• M19: 15,080,064 km (0.054 R)
• M20: 18,174,346 km (0.063 R)
• M21: 18,924,579 km (0.115 R)
• M22: 20,665,151 km (0.084 R)
• M23: 22,320,601 km (0.102 R)
• M24: 23,180,489 km (0.082 R)
• M25: 23,471,906 km (0.048 R)
• M26: 26,522,655 km (0.081 R)
• M27: 26,841,448 km (0.116 R)
• M28: 28,363,457 km (0.105 R)
• M29: 30,172,245 km (0.028 R)
• M30: 30,519,611 km (0.117 R)
• M31: 31,104,688 km (0.116 R)
• M32: 33,027,171 km (0.115 R)
• M33: 34,268,235 km (0.039 R)
• M34: 34,900,136 km (0.092 R)
• M35: 36,579,671 km (0.107 R)
• M36: 37,773,462 km (0.095 R)
• M37: 39,130,016 km (0.064 R)
• M38: 39,405,276 km (0.107 R)
• M39: 46,556,802 km (0.049 R)
• M40: 48,907,583 km (0.12 R)
• M41: 49,387,044 km (0.065 R)
• M42: 56,607,834 km (0.119 R)
• M43: 58,024,526 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.2

Radius: 7.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.43 AU - 11.13 AU

Year: 22355 Days

Day: 23.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,550,754 km

• M1: 95,892 km (0.051 R)
• M2: 427,252 km (0.106 R)
• M3: 849,716 km (0.112 R)
• M4: 1,148,912 km (0.075 R)
• M5: 1,626,129 km (0.114 R)
• M6: 2,110,976 km (0.109 R)
• M7: 2,630,529 km (0.099 R)
• M8: 3,299,680 km (0.102 R)
• M9: 3,625,953 km (0.105 R)
• M10: 4,262,492 km (0.085 R)
• M11: 5,338,400 km (0.1 R)
• M12: 5,625,478 km (0.118 R)
• M13: 7,028,407 km (0.04 R)
• M14: 12,393,436 km (0.03 R)
• M15: 19,015,535 km (0.032 R)
• M16: 24,309,504 km (0.064 R)
• M17: 25,636,438 km (0.061 R)
• M18: 26,180,375 km (0.096 R)
• M19: 27,104,292 km (0.104 R)
• M20: 33,430,038 km (0.119 R)
• M21: 35,964,974 km (0.107 R)
• M22: 38,862,535 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.2

Radius: 4.5

Gravity: 15.27 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 8.24 AU - 12.52 AU

Year: 22682 Days

Day: 17.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,550,754 km

• M1: 56,099 km (0.112 R)
• M2: 226,342 km (0.052 R)
• M3: 578,645 km (0.051 R)
• M4: 2,213,001 km (0.036 R)
• M5: 3,242,384 km (0.114 R)
• M6: 3,994,263 km (0.036 R)
• M7: 4,145,357 km (0.076 R)
• M8: 5,098,295 km (0.081 R)
• M9: 5,912,557 km (0.071 R)
• M10: 6,269,348 km (0.09 R)
• M11: 6,724,873 km (0.104 R)
• M12: 7,069,696 km (0.094 R)
• M13: 7,608,996 km (0.085 R)
• M14: 9,024,791 km (0.082 R)
• M15: 13,686,260 km (0.087 R)
• M16: 18,123,632 km (0.101 R)
• M17: 23,530,548 km (0.106 R)
• M18: 26,918,342 km (0.085 R)
• M19: 31,443,228 km (0.05 R)
• M20: 37,377,327 km (0.116 R)
• M21: 42,688,052 km (0.088 R)
• M22: 51,232,783 km (0.03 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.4

Radius: 5.6

Gravity: 19.08 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 10.05 AU - 11.09 AU

Year: 23308 Days

Day: 23.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 157.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,550,754 km

• M1: 94,995 km (0.081 R)
• M2: 1,238,820 km (0.119 R)
• M3: 1,952,402 km (0.067 R)
• M4: 2,633,371 km (0.077 R)
• M5: 3,520,337 km (0.086 R)
• M6: 3,700,752 km (0.098 R)
• M7: 4,807,028 km (0.053 R)
• M8: 5,616,502 km (0.059 R)
• M9: 6,032,385 km (0.118 R)
• M10: 6,379,601 km (0.099 R)
• M11: 6,878,660 km (0.099 R)
• M12: 8,161,611 km (0.075 R)
• M13: 10,434,601 km (0.118 R)
• M14: 13,977,527 km (0.112 R)
• M15: 16,182,151 km (0.081 R)
• M16: 16,767,378 km (0.108 R)
• M17: 18,608,180 km (0.108 R)
• M18: 21,766,191 km (0.065 R)
• M19: 22,171,751 km (0.11 R)
• M20: 38,262,049 km (0.076 R)
• M21: 42,682,367 km (0.109 R)
• M22: 49,669,784 km (0.07 R)
• M23: 50,726,244 km (0.056 R)
• M24: 50,903,817 km (0.073 R)
• M25: 52,339,059 km (0.093 R)
• M26: 52,701,983 km (0.086 R)
• M27: 53,801,079 km (0.073 R)
• M28: 56,424,726 km (0.101 R)
• M29: 63,766,691 km (0.064 R)
• M30: 67,129,501 km (0.117 R)
• M31: 71,496,862 km (0.099 R)
• M32: 71,943,860 km (0.08 R)
• M33: 73,749,955 km (0.082 R)
• M34: 78,160,400 km (0.071 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 14,454 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit