🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.7

Radius: 14.1

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.32 AU - 1.6 AU

Year: 1218 Days

Day: 9.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,970,515 km

• M1: 175,329 km (0.102 R)
• M2: 720,314 km (0.086 R)
• M3: 1,179,878 km (0.075 R)
• M4: 2,024,508 km (0.109 R)
• M5: 3,543,525 km (0.079 R)
• M6: 3,986,334 km (0.041 R)
• M7: 4,801,643 km (0.099 R)
• M8: 5,288,135 km (0.105 R)
• M9: 5,869,921 km (0.119 R)
• M10: 7,427,684 km (0.075 R)
• M11: 7,978,204 km (0.078 R)
• M12: 8,502,395 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.6

Radius: 8.3

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.48 AU - 1.5 AU

Year: 1255 Days

Day: 11.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,970,515 km

• M1: 103,223 km (0.117 R)
• M2: 425,756 km (0.053 R)
• M3: 735,423 km (0.054 R)
• M4: 1,122,433 km (0.042 R)
• M5: 1,531,134 km (0.053 R)
• M6: 2,084,198 km (0.112 R)
• M7: 2,919,253 km (0.086 R)
• M8: 3,961,202 km (0.113 R)
• M9: 4,268,476 km (0.096 R)
• M10: 4,827,523 km (0.094 R)
• M11: 5,698,781 km (0.109 R)
• M12: 6,051,234 km (0.105 R)
• M13: 6,501,823 km (0.07 R)
• M14: 6,778,429 km (0.095 R)
• M15: 7,609,146 km (0.094 R)
• M16: 7,964,591 km (0.098 R)
• M17: 8,306,272 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.7

Radius: 8.4

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.56 AU - 3.36 AU

Year: 3515 Days

Day: 9.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,970,515 km

• M1: 104,419 km (0.115 R)
• M2: 370,704 km (0.047 R)
• M3: 715,227 km (0.051 R)
• M4: 1,088,175 km (0.082 R)
• M5: 1,678,039 km (0.116 R)
• M6: 2,334,026 km (0.109 R)
• M7: 2,926,583 km (0.082 R)
• M8: 3,694,170 km (0.115 R)
• M9: 4,189,638 km (0.103 R)
• M10: 5,728,850 km (0.097 R)
• M11: 6,421,937 km (0.114 R)
• M12: 6,684,781 km (0.111 R)
• M13: 7,974,314 km (0.046 R)
• M14: 8,244,189 km (0.071 R)
• M15: 9,954,542 km (0.091 R)
• M16: 11,932,973 km (0.099 R)
• M17: 12,784,036 km (0.063 R)
• M18: 13,060,941 km (0.117 R)
• M19: 14,110,969 km (0.101 R)
• M20: 14,858,509 km (0.085 R)
• M21: 16,109,148 km (0.111 R)
• M22: 19,723,731 km (0.063 R)
• M23: 20,975,566 km (0.054 R)
• M24: 22,080,795 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.6

Radius: 14.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.38 AU - 4.52 AU

Year: 6480 Days

Day: 7.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,970,515 km

• M1: 213,027 km (0.089 R)
• M2: 952,041 km (0.1 R)
• M3: 1,539,212 km (0.025 R)
• M4: 4,941,816 km (0.097 R)
• M5: 6,701,237 km (0.114 R)
• M6: 7,738,399 km (0.079 R)
• M7: 9,791,181 km (0.046 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.6

Radius: 4.4

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.75 AU - 6.33 AU

Year: 10246 Days

Day: 15.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 95.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,970,515 km

• M1: 54,753 km (0.052 R)
• M2: 268,229 km (0.104 R)
• M3: 458,667 km (0.107 R)
• M4: 601,832 km (0.119 R)
• M5: 813,812 km (0.048 R)
• M6: 972,985 km (0.053 R)
• M7: 1,669,961 km (0.091 R)
• M8: 2,184,279 km (0.091 R)
• M9: 2,377,260 km (0.091 R)
• M10: 3,164,145 km (0.085 R)
• M11: 3,432,822 km (0.074 R)
• M12: 4,431,239 km (0.101 R)
• M13: 5,347,077 km (0.089 R)
• M14: 5,550,231 km (0.116 R)
• M15: 5,849,426 km (0.064 R)
• M16: 6,159,244 km (0.1 R)
• M17: 7,084,955 km (0.119 R)
• M18: 9,712,642 km (0.083 R)
• M19: 10,103,092 km (0.073 R)
• M20: 11,289,403 km (0.11 R)
• M21: 11,431,970 km (0.087 R)
• M22: 13,880,588 km (0.098 R)
• M23: 14,712,203 km (0.049 R)
• M24: 15,111,330 km (0.091 R)
• M25: 17,916,439 km (0.051 R)
• M26: 20,978,109 km (0.115 R)
• M27: 21,556,604 km (0.069 R)
• M28: 23,355,968 km (0.078 R)
• M29: 23,587,545 km (0.108 R)
• M30: 24,849,403 km (0.08 R)
• M31: 28,374,677 km (0.081 R)
• M32: 30,073,361 km (0.114 R)
• M33: 30,256,020 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.3

Radius: 3.9

Gravity: 49.26 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.47 AU - 9.99 AU

Year: 16297 Days

Day: 20.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 55,970,515 km

• M1: 48,470 km (0.103 R)
• M2: 312,959 km (0.097 R)
• M3: 663,616 km (0.101 R)
• M4: 796,309 km (0.111 R)
• M5: 1,291,778 km (0.047 R)
• M6: 1,564,943 km (0.112 R)
• M7: 2,527,157 km (0.11 R)
• M8: 2,711,162 km (0.095 R)
• M9: 2,978,942 km (0.038 R)
• M10: 3,106,250 km (0.052 R)
• M11: 3,399,462 km (0.098 R)
• M12: 3,595,435 km (0.103 R)
• M13: 4,488,684 km (0.116 R)
• M14: 4,724,750 km (0.081 R)
• M15: 5,004,498 km (0.083 R)
• M16: 5,332,416 km (0.094 R)
• M17: 5,910,313 km (0.115 R)
• M18: 7,513,104 km (0.034 R)
• M19: 9,493,331 km (0.102 R)
• M20: 16,337,583 km (0.064 R)
• M21: 17,714,482 km (0.038 R)
• M22: 18,473,991 km (0.114 R)
• M23: 19,698,000 km (0.043 R)
• M24: 20,147,991 km (0.042 R)
• M25: 24,201,944 km (0.109 R)
• M26: 24,718,056 km (0.071 R)
• M27: 26,310,226 km (0.088 R)
• M28: 26,746,155 km (0.065 R)
• M29: 36,102,604 km (0.059 R)
• M30: 38,426,607 km (0.117 R)
• M31: 39,270,039 km (0.098 R)
• M32: 39,839,110 km (0.108 R)
• M33: 40,413,715 km (0.118 R)
• M34: 43,673,004 km (0.056 R)
• M35: 44,437,449 km (0.087 R)
• M36: 49,212,314 km (0.114 R)
• M37: 54,670,243 km (0.034 R)
• M38: 58,278,394 km (0.12 R)
• M39: 61,086,495 km (0.114 R)
• M40: 63,983,308 km (0.096 R)
• M41: 66,165,044 km (0.113 R)
• M42: 67,986,548 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.6

Radius: 3.4

Gravity: 29.55 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.91 AU - 9.11 AU

Year: 17136 Days

Day: 22.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,970,515 km

• M1: 52,359 km (0.102 R)
• M2: 191,485 km (0.093 R)
• M3: 403,615 km (0.1 R)
• M4: 686,953 km (0.077 R)
• M5: 871,856 km (0.099 R)
• M6: 1,065,885 km (0.096 R)
• M7: 2,516,984 km (0.077 R)
• M8: 4,965,453 km (0.104 R)
• M9: 5,199,424 km (0.102 R)
• M10: 5,510,737 km (0.053 R)
• M11: 7,005,369 km (0.086 R)
• M12: 10,328,237 km (0.11 R)
• M13: 12,206,289 km (0.078 R)
• M14: 14,166,769 km (0.088 R)
• M15: 30,582,442 km (0.049 R)
• M16: 35,857,413 km (0.112 R)
• M17: 40,490,010 km (0.032 R)
• M18: 43,931,509 km (0.038 R)
• M19: 53,457,902 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.1

Radius: 3.4

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.68 AU - 10.76 AU

Year: 17774 Days

Day: 16.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,970,515 km

• M1: 67,169 km (0.045 R)
• M2: 1,123,929 km (0.086 R)
• M3: 1,783,057 km (0.048 R)
• M4: 2,931,669 km (0.039 R)
• M5: 3,949,833 km (0.093 R)
• M6: 11,857,277 km (0.045 R)
• M7: 19,123,096 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.6

Radius: 4.8

Gravity: 42.82 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.25 AU - 10.23 AU

Year: 17835 Days

Day: 20.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,970,515 km

• M1: 59,690 km (0.087 R)
• M2: 500,854 km (0.115 R)
• M3: 705,653 km (0.067 R)
• M4: 1,092,064 km (0.109 R)
• M5: 1,940,284 km (0.103 R)
• M6: 2,715,650 km (0.103 R)
• M7: 3,618,772 km (0.098 R)
• M8: 6,038,069 km (0.059 R)
• M9: 8,318,838 km (0.098 R)
• M10: 9,304,539 km (0.086 R)
• M11: 10,304,900 km (0.112 R)
• M12: 10,612,174 km (0.119 R)
• M13: 10,989,011 km (0.12 R)
• M14: 11,703,041 km (0.043 R)
• M15: 12,937,224 km (0.082 R)
• M16: 13,659,183 km (0.119 R)
• M17: 20,141,109 km (0.111 R)
• M18: 20,913,334 km (0.077 R)
• M19: 25,628,808 km (0.101 R)
• M20: 27,580,163 km (0.063 R)
• M21: 35,954,352 km (0.092 R)
• M22: 36,803,320 km (0.115 R)
• M23: 39,880,100 km (0.062 R)
• M24: 41,712,973 km (0.111 R)
• M25: 53,352,435 km (0.1 R)
• M26: 59,219,663 km (0.027 R)
• M27: 70,881,715 km (0.093 R)
• M28: 71,546,378 km (0.089 R)
• M29: 77,013,881 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.2

Radius: 6.5

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.76 AU - 11.5 AU

Year: 22255 Days

Day: 18.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,970,515 km

• M1: 80,783 km (0.11 R)
• M2: 331,958 km (0.085 R)
• M3: 1,443,919 km (0.088 R)
• M4: 2,258,180 km (0.105 R)
• M5: 3,245,526 km (0.079 R)
• M6: 3,989,476 km (0.095 R)
• M7: 6,942,089 km (0.101 R)
• M8: 9,532,526 km (0.079 R)
• M9: 10,650,620 km (0.116 R)
• M10: 12,092,744 km (0.108 R)
• M11: 13,595,155 km (0.069 R)
• M12: 15,078,119 km (0.118 R)
• M13: 18,521,114 km (0.11 R)
• M14: 21,291,218 km (0.078 R)
• M15: 21,733,579 km (0.054 R)
• M16: 25,497,012 km (0.117 R)
• M17: 26,705,464 km (0.025 R)
• M18: 30,783,951 km (0.087 R)
• M19: 35,259,021 km (0.106 R)
• M20: 35,629,874 km (0.087 R)
• M21: 45,911,886 km (0.095 R)
• M22: 50,932,241 km (0.113 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 19,340 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit