🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.3

Radius: 11.8

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.45 AU - 0.57 AU

Year: 243 Days

Day: 6.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,571,921 km

• M1: 147,204 km (0.104 R)
• M2: 528,080 km (0.064 R)
• M3: 1,089,521 km (0.071 R)
• M4: 1,471,893 km (0.102 R)
• M5: 1,953,299 km (0.115 R)
• M6: 2,443,532 km (0.081 R)
• M7: 3,430,578 km (0.059 R)
• M8: 4,027,623 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.7

Radius: 9

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.5 AU - 0.68 AU

Year: 302 Days

Day: 9.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 83,571,921 km

• M1: 112,348 km (0.111 R)
• M2: 493,075 km (0.114 R)
• M3: 1,056,161 km (0.037 R)
• M4: 1,754,633 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 9.6

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.85 AU - 0.93 AU

Year: 560 Days

Day: 11.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,571,921 km

• M1: 119,529 km (0.1 R)
• M2: 419,472 km (0.108 R)
• M3: 776,263 km (0.104 R)
• M4: 1,189,303 km (0.118 R)
• M5: 1,612,665 km (0.095 R)
• M6: 2,412,714 km (0.069 R)
• M7: 2,735,547 km (0.066 R)
• M8: 3,144,996 km (0.098 R)
• M9: 3,531,856 km (0.042 R)
• M10: 3,842,721 km (0.1 R)
• M11: 4,670,595 km (0.104 R)
• M12: 5,208,549 km (0.106 R)
• M13: 5,595,559 km (0.076 R)
• M14: 6,239,877 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.3

Radius: 11.1

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.5 AU - 1.98 AU

Year: 1531 Days

Day: 12.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,571,921 km

• M1: 138,528 km (0.06 R)
• M2: 656,585 km (0.038 R)
• M3: 1,239,269 km (0.098 R)
• M4: 1,888,374 km (0.075 R)
• M5: 2,262,219 km (0.104 R)
• M6: 2,725,823 km (0.104 R)
• M7: 3,437,310 km (0.119 R)
• M8: 4,605,969 km (0.11 R)
• M9: 5,726,906 km (0.094 R)
• M10: 7,875,131 km (0.081 R)
• M11: 8,298,643 km (0.053 R)
• M12: 9,693,044 km (0.095 R)
• M13: 10,513,589 km (0.118 R)
• M14: 10,958,194 km (0.069 R)
• M15: 12,143,458 km (0.111 R)
• M16: 13,057,800 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.4

Radius: 11.5

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.07 AU - 3.45 AU

Year: 3925 Days

Day: 8 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,571,921 km

• M1: 143,315 km (0.044 R)
• M2: 505,491 km (0.115 R)
• M3: 1,317,060 km (0.101 R)
• M4: 1,813,276 km (0.101 R)
• M5: 2,417,202 km (0.067 R)
• M6: 2,817,676 km (0.08 R)
• M7: 3,395,423 km (0.029 R)
• M8: 4,183,056 km (0.078 R)
• M9: 4,764,842 km (0.097 R)
• M10: 6,177,644 km (0.04 R)
• M11: 7,028,407 km (0.062 R)
• M12: 7,582,069 km (0.066 R)
• M13: 8,448,989 km (0.099 R)
• M14: 10,462,576 km (0.084 R)
• M15: 10,926,479 km (0.105 R)
• M16: 11,360,014 km (0.035 R)
• M17: 13,016,960 km (0.082 R)
• M18: 14,516,379 km (0.119 R)
• M19: 16,464,143 km (0.055 R)
• M20: 18,095,059 km (0.116 R)
• M21: 18,702,875 km (0.051 R)
• M22: 21,743,751 km (0.093 R)
• M23: 24,285,270 km (0.109 R)
• M24: 25,099,830 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294

Radius: 10.8

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.85 AU - 4.45 AU

Year: 4650 Days

Day: 14.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,571,921 km

• M1: 135,685 km (0.082 R)
• M2: 491,878 km (0.116 R)
• M3: 930,648 km (0.093 R)
• M4: 1,403,826 km (0.105 R)
• M5: 1,766,751 km (0.047 R)
• M6: 2,179,342 km (0.098 R)
• M7: 3,549,359 km (0.117 R)
• M8: 3,962,698 km (0.047 R)
• M9: 4,430,042 km (0.092 R)
• M10: 4,863,128 km (0.114 R)
• M11: 5,224,855 km (0.102 R)
• M12: 6,945,829 km (0.037 R)
• M13: 8,909,451 km (0.118 R)
• M14: 9,306,184 km (0.111 R)
• M15: 9,676,888 km (0.113 R)
• M16: 11,301,670 km (0.089 R)
• M17: 13,473,233 km (0.09 R)
• M18: 17,538,406 km (0.077 R)
• M19: 19,879,463 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.9

Radius: 14.7

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.06 AU - 4.38 AU

Year: 4785 Days

Day: 5.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,571,921 km

• M1: 183,557 km (0.087 R)
• M2: 764,894 km (0.079 R)
• M3: 1,494,932 km (0.07 R)
• M4: 2,039,468 km (0.042 R)
• M5: 2,652,520 km (0.09 R)
• M6: 3,464,238 km (0.099 R)
• M7: 4,367,959 km (0.102 R)
• M8: 5,665,720 km (0.085 R)
• M9: 7,434,565 km (0.059 R)
• M10: 8,321,531 km (0.064 R)
• M11: 10,934,258 km (0.097 R)
• M12: 19,119,954 km (0.066 R)
• M13: 21,248,433 km (0.116 R)
• M14: 23,387,982 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.8

Radius: 3.8

Gravity: 47.29 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.52 AU - 6.7 AU

Year: 11333 Days

Day: 17.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 83,571,921 km

• M1: 47,423 km (0.105 R)
• M2: 209,138 km (0.064 R)
• M3: 508,483 km (0.078 R)
• M4: 679,922 km (0.061 R)
• M5: 899,382 km (0.034 R)
• M6: 1,368,671 km (0.101 R)
• M7: 1,832,275 km (0.085 R)
• M8: 2,127,282 km (0.102 R)
• M9: 2,257,731 km (0.065 R)
• M10: 2,575,776 km (0.093 R)
• M11: 2,811,393 km (0.077 R)
• M12: 3,710,326 km (0.087 R)
• M13: 4,476,716 km (0.048 R)
• M14: 4,722,805 km (0.088 R)
• M15: 4,849,065 km (0.097 R)
• M16: 5,445,961 km (0.086 R)
• M17: 6,202,477 km (0.117 R)
• M18: 6,944,932 km (0.116 R)
• M19: 7,701,448 km (0.12 R)
• M20: 9,425,863 km (0.03 R)
• M21: 9,576,059 km (0.12 R)
• M22: 10,192,851 km (0.115 R)
• M23: 11,391,728 km (0.098 R)
• M24: 12,261,041 km (0.06 R)
• M25: 13,935,640 km (0.116 R)
• M26: 14,196,090 km (0.105 R)
• M27: 14,526,103 km (0.109 R)
• M28: 17,806,635 km (0.076 R)
• M29: 20,358,924 km (0.107 R)
• M30: 20,694,173 km (0.115 R)
• M31: 22,783,606 km (0.104 R)
• M32: 24,065,061 km (0.077 R)
• M33: 26,273,425 km (0.08 R)
• M34: 27,072,128 km (0.108 R)
• M35: 27,274,235 km (0.106 R)
• M36: 30,320,197 km (0.074 R)
• M37: 35,483,119 km (0.086 R)
• M38: 38,589,818 km (0.114 R)
• M39: 42,551,170 km (0.099 R)
• M40: 43,651,611 km (0.064 R)
• M41: 46,630,105 km (0.114 R)
• M42: 47,212,340 km (0.109 R)
• M43: 47,652,158 km (0.086 R)
• M44: 47,799,512 km (0.112 R)
• M45: 49,589,899 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.1

Radius: 7.8

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.66 AU - 8.1 AU

Year: 13369 Days

Day: 23.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,571,921 km

• M1: 100,380 km (0.086 R)
• M2: 437,424 km (0.093 R)
• M3: 1,051,972 km (0.114 R)
• M4: 1,658,891 km (0.087 R)
• M5: 1,982,621 km (0.107 R)
• M6: 2,884,247 km (0.105 R)
• M7: 3,331,844 km (0.089 R)
• M8: 4,925,659 km (0.115 R)
• M9: 5,599,299 km (0.08 R)
• M10: 5,906,274 km (0.11 R)
• M11: 7,612,736 km (0.098 R)
• M12: 8,872,500 km (0.107 R)
• M13: 10,265,855 km (0.106 R)
• M14: 11,744,031 km (0.069 R)
• M15: 13,298,952 km (0.101 R)
• M16: 13,601,289 km (0.116 R)
• M17: 15,313,885 km (0.091 R)
• M18: 15,713,012 km (0.07 R)
• M19: 16,952,580 km (0.119 R)
• M20: 18,856,363 km (0.042 R)
• M21: 19,859,716 km (0.067 R)
• M22: 21,307,225 km (0.06 R)
• M23: 23,962,737 km (0.102 R)
• M24: 26,543,898 km (0.104 R)
• M25: 28,597,578 km (0.09 R)
• M26: 31,390,420 km (0.083 R)
• M27: 34,021,249 km (0.091 R)
• M28: 34,360,088 km (0.102 R)
• M29: 35,159,539 km (0.099 R)
• M30: 36,205,527 km (0.098 R)
• M31: 37,511,965 km (0.106 R)
• M32: 40,597,571 km (0.071 R)
• M33: 41,362,465 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.5

Radius: 4

Gravity: 46.16 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.68 AU - 11 AU

Year: 22172 Days

Day: 24.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,571,921 km

• M1: 49,816 km (0.086 R)
• M2: 348,862 km (0.113 R)
• M3: 963,560 km (0.084 R)
• M4: 1,434,644 km (0.082 R)
• M5: 1,863,690 km (0.086 R)
• M6: 2,327,444 km (0.095 R)
• M7: 3,078,724 km (0.114 R)
• M8: 3,218,000 km (0.034 R)
• M9: 4,144,609 km (0.05 R)
• M10: 4,669,099 km (0.075 R)
• M11: 6,237,782 km (0.113 R)
• M12: 9,519,511 km (0.046 R)
• M13: 11,458,150 km (0.079 R)
• M14: 12,696,670 km (0.111 R)
• M15: 16,600,128 km (0.114 R)
• M16: 21,842,037 km (0.108 R)
• M17: 23,199,339 km (0.077 R)
• M18: 29,191,780 km (0.105 R)
• M19: 30,323,788 km (0.07 R)
• M20: 30,965,114 km (0.104 R)
• M21: 34,864,532 km (0.1 R)
• M22: 36,858,821 km (0.114 R)
• M23: 39,838,063 km (0.115 R)
• M24: 40,607,145 km (0.072 R)
• M25: 41,700,406 km (0.091 R)
• M26: 45,097,625 km (0.064 R)
• M27: 58,140,016 km (0.059 R)
• M28: 73,944,881 km (0.066 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 15,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit