🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.7

Radius: 9.3

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.69 AU - 0.73 AU

Year: 392 Days

Day: 12.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,371,487 km

• M1: 115,639 km (0.09 R)
• M2: 497,114 km (0.088 R)
• M3: 840,740 km (0.096 R)
• M4: 1,144,424 km (0.09 R)
• M5: 1,925,175 km (0.117 R)
• M6: 2,414,809 km (0.115 R)
• M7: 2,956,204 km (0.083 R)
• M8: 3,271,855 km (0.057 R)
• M9: 3,576,436 km (0.099 R)
• M10: 4,230,478 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.1

Radius: 10

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.98 AU - 1.26 AU

Year: 778 Days

Day: 7.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,371,487 km

• M1: 124,465 km (0.105 R)
• M2: 619,335 km (0.094 R)
• M3: 1,114,355 km (0.09 R)
• M4: 1,862,493 km (0.101 R)
• M5: 2,189,814 km (0.081 R)
• M6: 2,534,487 km (0.099 R)
• M7: 2,857,170 km (0.11 R)
• M8: 3,232,660 km (0.079 R)
• M9: 3,572,996 km (0.071 R)
• M10: 4,773,668 km (0.038 R)
• M11: 5,146,765 km (0.05 R)
• M12: 6,048,541 km (0.073 R)
• M13: 6,754,643 km (0.078 R)
• M14: 7,402,851 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.6

Radius: 13.4

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.24 AU - 1.52 AU

Year: 1063 Days

Day: 11.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,371,487 km

• M1: 166,652 km (0.08 R)
• M2: 632,350 km (0.096 R)
• M3: 1,112,709 km (0.119 R)
• M4: 1,663,080 km (0.071 R)
• M5: 2,142,541 km (0.112 R)
• M6: 3,051,946 km (0.084 R)
• M7: 3,687,887 km (0.027 R)
• M8: 5,945,618 km (0.103 R)
• M9: 7,062,067 km (0.104 R)
• M10: 8,099,827 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.7

Radius: 11.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.3 AU - 1.82 AU

Year: 1278 Days

Day: 5.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,371,487 km

• M1: 148,251 km (0.119 R)
• M2: 636,838 km (0.027 R)
• M3: 1,120,937 km (0.09 R)
• M4: 1,802,654 km (0.04 R)
• M5: 2,244,267 km (0.084 R)
• M6: 2,849,241 km (0.105 R)
• M7: 3,394,525 km (0.082 R)
• M8: 3,893,135 km (0.097 R)
• M9: 4,658,627 km (0.078 R)
• M10: 5,276,466 km (0.083 R)
• M11: 6,124,836 km (0.116 R)
• M12: 6,723,676 km (0.076 R)
• M13: 7,136,118 km (0.115 R)
• M14: 8,011,864 km (0.072 R)
• M15: 9,074,008 km (0.066 R)
• M16: 10,579,113 km (0.055 R)
• M17: 11,579,324 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.4

Radius: 8.6

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.61 AU - 1.89 AU

Year: 1519 Days

Day: 11.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,371,487 km

• M1: 106,962 km (0.025 R)
• M2: 570,716 km (0.026 R)
• M3: 851,511 km (0.106 R)
• M4: 1,134,999 km (0.031 R)
• M5: 1,464,414 km (0.099 R)
• M6: 1,933,403 km (0.101 R)
• M7: 2,283,013 km (0.027 R)
• M8: 2,702,336 km (0.119 R)
• M9: 3,345,906 km (0.103 R)
• M10: 3,747,576 km (0.068 R)
• M11: 4,352,251 km (0.098 R)
• M12: 6,283,559 km (0.028 R)
• M13: 6,896,462 km (0.1 R)
• M14: 8,634,041 km (0.12 R)
• M15: 9,719,972 km (0.071 R)
• M16: 10,056,118 km (0.102 R)
• M17: 10,399,894 km (0.119 R)
• M18: 11,968,727 km (0.094 R)
• M19: 12,472,573 km (0.115 R)
• M20: 14,586,989 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.1

Radius: 12.6

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.61 AU - 4.45 AU

Year: 5307 Days

Day: 8.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,371,487 km

• M1: 156,779 km (0.091 R)
• M2: 916,287 km (0.073 R)
• M3: 1,512,285 km (0.102 R)
• M4: 1,973,046 km (0.102 R)
• M5: 2,400,747 km (0.064 R)
• M6: 2,827,699 km (0.079 R)
• M7: 3,704,342 km (0.052 R)
• M8: 4,135,035 km (0.11 R)
• M9: 4,709,790 km (0.114 R)
• M10: 6,562,260 km (0.066 R)
• M11: 7,998,699 km (0.072 R)
• M12: 11,485,077 km (0.116 R)
• M13: 12,236,358 km (0.07 R)
• M14: 12,711,331 km (0.119 R)
• M15: 14,448,162 km (0.111 R)
• M16: 18,897,203 km (0.049 R)
• M17: 19,649,830 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.8

Radius: 3.5

Gravity: 76.31 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.65 AU - 6.41 AU

Year: 9714 Days

Day: 22 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,371,487 km

• M1: 43,683 km (0.094 R)
• M2: 186,549 km (0.051 R)
• M3: 327,619 km (0.055 R)
• M4: 526,136 km (0.066 R)
• M5: 2,434,257 km (0.117 R)
• M6: 2,661,346 km (0.116 R)
• M7: 3,206,182 km (0.105 R)
• M8: 3,556,390 km (0.068 R)
• M9: 3,848,854 km (0.075 R)
• M10: 4,451,733 km (0.108 R)
• M11: 5,557,411 km (0.081 R)
• M12: 7,888,745 km (0.092 R)
• M13: 9,541,203 km (0.082 R)
• M14: 13,895,249 km (0.102 R)
• M15: 16,210,724 km (0.088 R)
• M16: 17,991,837 km (0.099 R)
• M17: 18,300,906 km (0.108 R)
• M18: 18,456,637 km (0.118 R)
• M19: 19,249,057 km (0.095 R)
• M20: 20,479,948 km (0.074 R)
• M21: 25,055,998 km (0.112 R)
• M22: 41,281,383 km (0.111 R)
• M23: 43,735,835 km (0.069 R)
• M24: 48,783,716 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.5

Radius: 5.9

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.82 AU - 6.54 AU

Year: 10078 Days

Day: 19.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,371,487 km

• M1: 76,744 km (0.07 R)
• M2: 435,928 km (0.078 R)
• M3: 659,278 km (0.08 R)
• M4: 1,091,765 km (0.107 R)
• M5: 2,266,109 km (0.114 R)
• M6: 3,749,671 km (0.108 R)
• M7: 4,085,069 km (0.098 R)
• M8: 5,329,873 km (0.084 R)
• M9: 5,942,775 km (0.109 R)
• M10: 6,984,276 km (0.116 R)
• M11: 9,422,721 km (0.091 R)
• M12: 12,015,402 km (0.034 R)
• M13: 16,329,206 km (0.111 R)
• M14: 21,198,168 km (0.074 R)
• M15: 24,821,279 km (0.06 R)
• M16: 32,166,983 km (0.069 R)
• M17: 32,762,532 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.8

Radius: 3

Gravity: 89.09 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.91 AU - 10.27 AU

Year: 19482 Days

Day: 21.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,371,487 km

• M1: 37,399 km (0.113 R)
• M2: 194,926 km (0.115 R)
• M3: 397,631 km (0.09 R)
• M4: 577,597 km (0.051 R)
• M5: 787,782 km (0.091 R)
• M6: 1,267,992 km (0.113 R)
• M7: 1,389,914 km (0.051 R)
• M8: 2,741,082 km (0.111 R)
• M9: 2,971,911 km (0.102 R)
• M10: 3,356,677 km (0.067 R)
• M11: 4,325,024 km (0.09 R)
• M12: 5,269,435 km (0.079 R)
• M13: 5,585,685 km (0.108 R)
• M14: 7,262,378 km (0.068 R)
• M15: 8,802,189 km (0.039 R)
• M16: 9,764,702 km (0.074 R)
• M17: 10,608,434 km (0.109 R)
• M18: 13,356,696 km (0.087 R)
• M19: 14,092,419 km (0.116 R)
• M20: 17,220,360 km (0.096 R)
• M21: 19,637,563 km (0.119 R)
• M22: 28,107,794 km (0.097 R)
• M23: 33,664,906 km (0.11 R)
• M24: 42,205,000 km (0.111 R)
• M25: 47,896,002 km (0.09 R)
• M26: 50,659,823 km (0.115 R)
• M27: 51,189,549 km (0.065 R)
• M28: 53,163,642 km (0.107 R)
• M29: 56,502,368 km (0.111 R)
• M30: 60,373,063 km (0.098 R)
• M31: 63,389,255 km (0.06 R)
• M32: 66,293,548 km (0.029 R)
• M33: 76,227,595 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487.2

Radius: 7.6

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 10.01 AU - 11.65 AU

Year: 23380 Days

Day: 18.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,371,487 km

• M1: 95,593 km (0.084 R)
• M2: 457,919 km (0.066 R)
• M3: 2,027,051 km (0.086 R)
• M4: 2,561,265 km (0.104 R)
• M5: 2,799,724 km (0.066 R)
• M6: 3,815,494 km (0.112 R)
• M7: 6,037,920 km (0.114 R)
• M8: 6,908,430 km (0.034 R)
• M9: 8,896,735 km (0.064 R)
• M10: 9,731,790 km (0.095 R)
• M11: 10,801,714 km (0.088 R)
• M12: 11,428,829 km (0.092 R)
• M13: 12,280,190 km (0.117 R)
• M14: 12,963,403 km (0.082 R)
• M15: 13,816,261 km (0.073 R)
• M16: 14,330,878 km (0.118 R)
• M17: 15,165,035 km (0.103 R)
• M18: 16,599,529 km (0.098 R)
• M19: 17,181,016 km (0.085 R)
• M20: 19,827,851 km (0.084 R)
• M21: 22,132,257 km (0.116 R)
• M22: 23,659,801 km (0.114 R)
• M23: 26,584,140 km (0.085 R)
• M24: 27,841,809 km (0.051 R)
• M25: 28,308,704 km (0.099 R)
• M26: 28,899,765 km (0.055 R)
• M27: 30,971,098 km (0.119 R)
• M28: 35,680,139 km (0.067 R)
• M29: 41,145,997 km (0.052 R)
• M30: 41,904,308 km (0.102 R)
• M31: 47,974,840 km (0.114 R)
• M32: 49,664,698 km (0.078 R)
• M33: 51,744,258 km (0.109 R)
• M34: 55,522,053 km (0.096 R)
• M35: 63,018,253 km (0.083 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: 411 - 11,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit