🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.1

Radius: 14.1

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.71 AU - 2.15 AU

Year: 1705 Days

Day: 8.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,756,399 km

• M1: 175,628 km (0.072 R)
• M2: 664,215 km (0.092 R)
• M3: 1,317,808 km (0.115 R)
• M4: 1,789,041 km (0.095 R)
• M5: 2,530,747 km (0.095 R)
• M6: 3,087,550 km (0.099 R)
• M7: 3,831,800 km (0.084 R)
• M8: 4,295,254 km (0.058 R)
• M9: 5,845,387 km (0.116 R)
• M10: 6,412,064 km (0.102 R)
• M11: 7,206,129 km (0.104 R)
• M12: 8,124,660 km (0.045 R)
• M13: 9,380,983 km (0.075 R)
• M14: 10,763,118 km (0.045 R)
• M15: 11,503,179 km (0.028 R)
• M16: 12,277,048 km (0.108 R)
• M17: 12,920,918 km (0.059 R)
• M18: 13,800,104 km (0.08 R)
• M19: 14,853,423 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.2

Radius: 10

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.92 AU - 2.02 AU

Year: 1758 Days

Day: 14.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,756,399 km

• M1: 124,615 km (0.081 R)
• M2: 651,798 km (0.107 R)
• M3: 997,219 km (0.084 R)
• M4: 1,395,599 km (0.108 R)
• M5: 1,756,129 km (0.111 R)
• M6: 2,093,323 km (0.107 R)
• M7: 2,619,608 km (0.097 R)
• M8: 3,318,530 km (0.115 R)
• M9: 3,920,960 km (0.106 R)
• M10: 4,486,141 km (0.111 R)
• M11: 7,181,595 km (0.043 R)
• M12: 7,896,075 km (0.091 R)
• M13: 9,828,730 km (0.084 R)
• M14: 10,262,713 km (0.068 R)
• M15: 10,839,563 km (0.084 R)
• M16: 11,169,127 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.4

Radius: 11.2

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.19 AU - 3.43 AU

Year: 2995 Days

Day: 10.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 78.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,756,399 km

• M1: 139,276 km (0.101 R)
• M2: 566,826 km (0.055 R)
• M3: 1,167,462 km (0.067 R)
• M4: 1,517,371 km (0.083 R)
• M5: 1,888,224 km (0.031 R)
• M6: 2,576,375 km (0.062 R)
• M7: 3,219,496 km (0.08 R)
• M8: 4,181,859 km (0.055 R)
• M9: 4,948,099 km (0.091 R)
• M10: 5,430,403 km (0.09 R)
• M11: 6,056,021 km (0.117 R)
• M12: 6,789,799 km (0.093 R)
• M13: 8,259,298 km (0.075 R)
• M14: 8,612,798 km (0.104 R)
• M15: 9,695,737 km (0.099 R)
• M16: 12,868,259 km (0.109 R)
• M17: 14,433,203 km (0.097 R)
• M18: 15,526,913 km (0.074 R)
• M19: 17,241,454 km (0.092 R)
• M20: 17,996,624 km (0.046 R)
• M21: 20,012,904 km (0.111 R)
• M22: 20,782,136 km (0.075 R)
• M23: 23,772,149 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.7

Radius: 15

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.34 AU - 3.44 AU

Year: 3124 Days

Day: 5.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,756,399 km

• M1: 186,549 km (0.12 R)
• M2: 1,051,523 km (0.062 R)
• M3: 1,839,455 km (0.084 R)
• M4: 2,816,778 km (0.097 R)
• M5: 3,548,312 km (0.111 R)
• M6: 4,118,878 km (0.111 R)
• M7: 4,656,383 km (0.074 R)
• M8: 5,266,294 km (0.038 R)
• M9: 5,846,734 km (0.096 R)
• M10: 7,850,148 km (0.113 R)
• M11: 11,883,905 km (0.116 R)
• M12: 13,028,479 km (0.079 R)
• M13: 14,095,411 km (0.066 R)
• M14: 14,907,428 km (0.117 R)
• M15: 15,483,679 km (0.107 R)
• M16: 16,183,797 km (0.03 R)
• M17: 17,074,353 km (0.117 R)
• M18: 18,771,690 km (0.096 R)
• M19: 19,880,360 km (0.083 R)
• M20: 21,426,005 km (0.11 R)
• M21: 22,160,681 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.4

Radius: 8.3

Gravity: 14.19 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.16 AU - 4.34 AU

Year: 4617 Days

Day: 14.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,756,399 km

• M1: 103,223 km (0.1 R)
• M2: 384,167 km (0.089 R)
• M3: 936,632 km (0.105 R)
• M4: 1,504,655 km (0.112 R)
• M5: 2,399,849 km (0.089 R)
• M6: 3,090,243 km (0.066 R)
• M7: 4,290,916 km (0.089 R)
• M8: 5,163,071 km (0.108 R)
• M9: 5,449,402 km (0.042 R)
• M10: 6,536,380 km (0.032 R)
• M11: 6,906,036 km (0.094 R)
• M12: 7,468,823 km (0.108 R)
• M13: 7,948,284 km (0.07 R)
• M14: 8,214,868 km (0.071 R)
• M15: 10,705,224 km (0.102 R)
• M16: 11,652,777 km (0.097 R)
• M17: 14,602,248 km (0.059 R)
• M18: 15,886,097 km (0.114 R)
• M19: 16,555,398 km (0.099 R)
• M20: 18,212,194 km (0.045 R)
• M21: 19,490,807 km (0.049 R)
• M22: 20,046,713 km (0.104 R)
• M23: 21,778,009 km (0.034 R)
• M24: 22,376,550 km (0.094 R)
• M25: 25,783,492 km (0.031 R)
• M26: 26,537,914 km (0.109 R)
• M27: 30,069,920 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.2

Radius: 12

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.72 AU - 4.32 AU

Year: 5125 Days

Day: 8.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,756,399 km

• M1: 161,865 km (0.105 R)
• M2: 725,699 km (0.06 R)
• M3: 1,272,629 km (0.116 R)
• M4: 1,940,284 km (0.087 R)
• M5: 2,774,891 km (0.109 R)
• M6: 4,096,289 km (0.055 R)
• M7: 5,177,134 km (0.107 R)
• M8: 6,307,645 km (0.084 R)
• M9: 7,267,614 km (0.073 R)
• M10: 7,670,481 km (0.094 R)
• M11: 8,283,085 km (0.057 R)
• M12: 9,606,427 km (0.103 R)
• M13: 10,456,143 km (0.104 R)
• M14: 12,773,564 km (0.026 R)
• M15: 13,416,236 km (0.1 R)
• M16: 15,354,875 km (0.068 R)
• M17: 16,453,671 km (0.099 R)
• M18: 16,831,406 km (0.06 R)
• M19: 18,065,738 km (0.036 R)
• M20: 19,082,256 km (0.043 R)
• M21: 20,641,514 km (0.073 R)
• M22: 21,377,685 km (0.094 R)
• M23: 22,669,313 km (0.069 R)
• M24: 23,691,665 km (0.048 R)
• M25: 24,744,385 km (0.073 R)
• M26: 26,510,538 km (0.092 R)
• M27: 29,546,028 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744

Radius: 10.3

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.92 AU - 5.92 AU

Year: 8023 Days

Day: 10 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,756,399 km

• M1: 128,056 km (0.057 R)
• M2: 1,039,406 km (0.106 R)
• M3: 3,137,666 km (0.107 R)
• M4: 3,967,336 km (0.049 R)
• M5: 7,378,915 km (0.102 R)
• M6: 7,900,413 km (0.087 R)
• M7: 8,706,746 km (0.114 R)
• M8: 9,993,886 km (0.111 R)
• M9: 12,544,978 km (0.112 R)
• M10: 13,880,438 km (0.116 R)
• M11: 17,315,206 km (0.094 R)
• M12: 18,236,878 km (0.119 R)
• M13: 21,600,586 km (0.104 R)
• M14: 24,998,403 km (0.064 R)
• M15: 26,824,245 km (0.114 R)
• M16: 31,670,168 km (0.111 R)
• M17: 35,921,441 km (0.03 R)
• M18: 40,292,391 km (0.091 R)
• M19: 41,782,984 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.7

Radius: 5.8

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.88 AU - 8.36 AU

Year: 14712 Days

Day: 22.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,756,399 km

• M1: 72,106 km (0.09 R)
• M2: 372,200 km (0.04 R)
• M3: 554,709 km (0.091 R)
• M4: 1,133,353 km (0.093 R)
• M5: 1,867,430 km (0.112 R)
• M6: 2,092,575 km (0.044 R)
• M7: 2,456,995 km (0.097 R)
• M8: 3,745,183 km (0.103 R)
• M9: 6,646,334 km (0.115 R)
• M10: 7,237,994 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.5

Radius: 3.7

Gravity: 28.23 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.48 AU - 10.76 AU

Year: 18971 Days

Day: 24.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 40,756,399 km

• M1: 46,076 km (0.118 R)
• M2: 201,957 km (0.114 R)
• M3: 495,767 km (0.106 R)
• M4: 683,064 km (0.12 R)
• M5: 833,111 km (0.084 R)
• M6: 993,779 km (0.117 R)
• M7: 1,200,523 km (0.12 R)
• M8: 1,349,074 km (0.081 R)
• M9: 1,651,112 km (0.066 R)
• M10: 2,128,179 km (0.065 R)
• M11: 2,265,510 km (0.111 R)
• M12: 2,899,506 km (0.108 R)
• M13: 3,118,218 km (0.098 R)
• M14: 3,453,616 km (0.093 R)
• M15: 5,073,013 km (0.109 R)
• M16: 5,835,065 km (0.104 R)
• M17: 7,673,324 km (0.111 R)
• M18: 15,212,159 km (0.113 R)
• M19: 15,357,119 km (0.075 R)
• M20: 22,402,880 km (0.099 R)
• M21: 22,590,475 km (0.099 R)
• M22: 23,064,102 km (0.075 R)
• M23: 23,447,821 km (0.032 R)
• M24: 24,924,352 km (0.118 R)
• M25: 27,628,483 km (0.099 R)
• M26: 28,498,245 km (0.076 R)
• M27: 36,123,996 km (0.108 R)
• M28: 40,678,952 km (0.117 R)
• M29: 40,818,377 km (0.086 R)
• M30: 42,660,675 km (0.075 R)
• M31: 43,383,831 km (0.049 R)
• M32: 45,903,359 km (0.028 R)
• M33: 48,518,778 km (0.119 R)
• M34: 49,306,561 km (0.104 R)
• M35: 51,557,560 km (0.115 R)
• M36: 52,708,267 km (0.086 R)
• M37: 54,212,772 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117

Radius: 6.4

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 9.24 AU - 10 AU

Year: 18971 Days

Day: 20.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,756,399 km

• M1: 79,736 km (0.088 R)
• M2: 409,898 km (0.06 R)
• M3: 656,136 km (0.113 R)
• M4: 898,186 km (0.07 R)
• M5: 1,678,339 km (0.096 R)
• M6: 3,568,358 km (0.118 R)
• M7: 3,860,822 km (0.096 R)
• M8: 4,064,724 km (0.107 R)
• M9: 5,475,432 km (0.094 R)
• M10: 7,732,265 km (0.082 R)
• M11: 8,734,720 km (0.116 R)
• M12: 10,058,213 km (0.095 R)
• M13: 13,039,698 km (0.087 R)
• M14: 24,102,910 km (0.094 R)
• M15: 30,833,617 km (0.074 R)
• M16: 32,064,957 km (0.105 R)
• M17: 33,115,882 km (0.113 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 11,884 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit