🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.8

Radius: 12.6

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.43 AU - 0.69 AU

Year: 284 Days

Day: 13 Hours

Environment

Temp: -137 °C

Axial Tilt: 129.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,714,114 km

• M1: 156,779 km (0.082 R)
• M2: 602,730 km (0.096 R)
• M3: 1,201,271 km (0.099 R)
• M4: 1,674,449 km (0.094 R)
• M5: 2,130,573 km (0.07 R)
• M6: 2,551,691 km (0.088 R)
• M7: 3,249,864 km (0.103 R)
• M8: 3,823,871 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.9

Radius: 14.7

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.86 AU - 1.04 AU

Year: 628 Days

Day: 10.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 141.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,714,114 km

• M1: 184,155 km (0.042 R)
• M2: 665,112 km (0.097 R)
• M3: 1,347,877 km (0.087 R)
• M4: 2,158,248 km (0.068 R)
• M5: 3,239,542 km (0.117 R)
• M6: 4,673,437 km (0.084 R)
• M7: 5,265,097 km (0.081 R)
• M8: 6,356,114 km (0.099 R)
• M9: 7,413,472 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.8

Radius: 14.1

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.01 AU - 2.07 AU

Year: 1976 Days

Day: 5.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,714,114 km

• M1: 175,329 km (0.115 R)
• M2: 617,839 km (0.06 R)
• M3: 1,106,725 km (0.078 R)
• M4: 1,562,699 km (0.093 R)
• M5: 2,308,744 km (0.064 R)
• M6: 3,086,802 km (0.047 R)
• M7: 3,885,805 km (0.1 R)
• M8: 4,772,920 km (0.109 R)
• M9: 5,314,464 km (0.054 R)
• M10: 5,932,603 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422

Radius: 10.9

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.57 AU - 2.59 AU

Year: 2035 Days

Day: 12.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,714,114 km

• M1: 135,536 km (0.099 R)
• M2: 505,342 km (0.071 R)
• M3: 1,254,378 km (0.117 R)
• M4: 1,779,467 km (0.059 R)
• M5: 2,145,981 km (0.036 R)
• M6: 3,815,793 km (0.087 R)
• M7: 6,173,306 km (0.083 R)
• M8: 6,665,184 km (0.071 R)
• M9: 7,077,475 km (0.102 R)
• M10: 7,812,001 km (0.107 R)
• M11: 8,686,849 km (0.118 R)
• M12: 9,148,059 km (0.045 R)
• M13: 10,981,082 km (0.089 R)
• M14: 11,704,687 km (0.053 R)
• M15: 12,770,871 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958

Radius: 14.1

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.07 AU - 2.15 AU

Year: 2079 Days

Day: 7.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,714,114 km

• M1: 175,927 km (0.029 R)
• M2: 869,762 km (0.108 R)
• M3: 1,688,212 km (0.05 R)
• M4: 2,134,911 km (0.041 R)
• M5: 2,647,284 km (0.067 R)
• M6: 3,500,889 km (0.119 R)
• M7: 4,573,805 km (0.074 R)
• M8: 5,106,374 km (0.102 R)
• M9: 5,680,381 km (0.086 R)
• M10: 6,485,367 km (0.068 R)
• M11: 6,986,969 km (0.071 R)
• M12: 7,911,932 km (0.028 R)
• M13: 10,753,843 km (0.074 R)
• M14: 11,260,082 km (0.067 R)
• M15: 11,741,338 km (0.074 R)
• M16: 12,616,785 km (0.063 R)
• M17: 13,180,171 km (0.063 R)
• M18: 14,264,606 km (0.12 R)
• M19: 17,607,520 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.7

Radius: 10.4

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.31 AU - 4.47 AU

Year: 5204 Days

Day: 5.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,714,114 km

• M1: 130,599 km (0.117 R)
• M2: 535,261 km (0.082 R)
• M3: 938,876 km (0.092 R)
• M4: 1,307,785 km (0.042 R)
• M5: 1,919,341 km (0.095 R)
• M6: 2,554,982 km (0.112 R)
• M7: 3,063,615 km (0.108 R)
• M8: 3,674,872 km (0.114 R)
• M9: 4,126,208 km (0.111 R)
• M10: 5,879,196 km (0.09 R)
• M11: 6,392,317 km (0.078 R)
• M12: 6,962,883 km (0.106 R)
• M13: 9,766,497 km (0.062 R)
• M14: 11,089,092 km (0.066 R)
• M15: 11,753,456 km (0.1 R)
• M16: 12,568,914 km (0.092 R)
• M17: 13,248,088 km (0.119 R)
• M18: 15,528,857 km (0.112 R)
• M19: 16,162,255 km (0.117 R)
• M20: 16,610,899 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.2

Radius: 12.3

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.91 AU - 4.57 AU

Year: 5922 Days

Day: 11 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,714,114 km

• M1: 153,039 km (0.11 R)
• M2: 590,014 km (0.073 R)
• M3: 1,046,437 km (0.096 R)
• M4: 1,435,242 km (0.089 R)
• M5: 1,838,857 km (0.112 R)
• M6: 2,808,251 km (0.086 R)
• M7: 3,582,121 km (0.085 R)
• M8: 4,571,412 km (0.104 R)
• M9: 6,738,786 km (0.084 R)
• M10: 7,264,921 km (0.104 R)
• M11: 8,009,021 km (0.033 R)
• M12: 8,762,396 km (0.06 R)
• M13: 9,605,829 km (0.116 R)
• M14: 12,619,328 km (0.097 R)
• M15: 13,529,931 km (0.044 R)
• M16: 14,312,178 km (0.11 R)
• M17: 15,302,366 km (0.114 R)
• M18: 29,671,990 km (0.031 R)
• M19: 30,992,191 km (0.092 R)
• M20: 32,351,138 km (0.053 R)
• M21: 32,845,858 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.8

Radius: 4.6

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.57 AU - 7.05 AU

Year: 10751 Days

Day: 15.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,714,114 km

• M1: 57,296 km (0.087 R)
• M2: 327,619 km (0.056 R)
• M3: 735,423 km (0.059 R)
• M4: 907,012 km (0.047 R)
• M5: 1,177,784 km (0.115 R)
• M6: 1,367,175 km (0.069 R)
• M7: 2,045,601 km (0.111 R)
• M8: 2,253,991 km (0.068 R)
• M9: 2,846,997 km (0.09 R)
• M10: 4,598,190 km (0.067 R)
• M11: 4,761,401 km (0.067 R)
• M12: 5,099,343 km (0.051 R)
• M13: 7,850,148 km (0.07 R)
• M14: 8,162,359 km (0.069 R)
• M15: 8,321,531 km (0.085 R)
• M16: 8,482,798 km (0.069 R)
• M17: 9,984,012 km (0.116 R)
• M18: 13,117,040 km (0.058 R)
• M19: 14,407,173 km (0.111 R)
• M20: 14,757,232 km (0.055 R)
• M21: 14,993,596 km (0.118 R)
• M22: 18,438,087 km (0.094 R)
• M23: 21,989,092 km (0.07 R)
• M24: 23,721,884 km (0.09 R)
• M25: 25,205,596 km (0.075 R)
• M26: 26,401,631 km (0.11 R)
• M27: 28,356,725 km (0.088 R)
• M28: 30,120,933 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.2

Radius: 5.9

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.91 AU - 9.1 AU

Year: 16808 Days

Day: 21.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,714,114 km

• M1: 74,949 km (0.114 R)
• M2: 259,403 km (0.086 R)
• M3: 883,375 km (0.057 R)
• M4: 1,156,092 km (0.114 R)
• M5: 3,977,957 km (0.119 R)
• M6: 5,273,026 km (0.091 R)
• M7: 8,954,629 km (0.031 R)
• M8: 16,708,736 km (0.101 R)
• M9: 18,388,421 km (0.106 R)
• M10: 21,743,452 km (0.101 R)
• M11: 21,944,811 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.2

Radius: 4.6

Gravity: 34.84 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 7.98 AU - 11.78 AU

Year: 21063 Days

Day: 23.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,714,114 km

• M1: 57,146 km (0.062 R)
• M2: 222,452 km (0.086 R)
• M3: 619,186 km (0.078 R)
• M4: 782,995 km (0.067 R)
• M5: 1,064,389 km (0.067 R)
• M6: 1,257,968 km (0.074 R)
• M7: 1,491,192 km (0.077 R)
• M8: 2,851,635 km (0.056 R)
• M9: 5,336,306 km (0.112 R)
• M10: 5,656,894 km (0.078 R)
• M11: 6,425,378 km (0.107 R)
• M12: 6,742,226 km (0.067 R)
• M13: 8,756,113 km (0.073 R)
• M14: 9,721,767 km (0.088 R)
• M15: 9,958,880 km (0.093 R)
• M16: 10,199,882 km (0.116 R)
• M17: 11,267,861 km (0.109 R)
• M18: 12,339,132 km (0.026 R)
• M19: 14,221,821 km (0.053 R)
• M20: 16,538,344 km (0.101 R)
• M21: 20,321,375 km (0.072 R)
• M22: 23,991,459 km (0.082 R)
• M23: 24,315,788 km (0.113 R)
• M24: 25,868,464 km (0.044 R)
• M25: 26,900,839 km (0.095 R)
• M26: 29,292,609 km (0.103 R)
• M27: 30,037,008 km (0.068 R)
• M28: 35,324,096 km (0.08 R)
• M29: 38,628,265 km (0.117 R)
• M30: 39,975,393 km (0.117 R)
• M31: 43,239,918 km (0.11 R)
• M32: 47,522,157 km (0.042 R)
• M33: 50,469,834 km (0.104 R)
• M34: 62,455,017 km (0.055 R)
• M35: 69,428,970 km (0.098 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 19,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit