🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.48 AU - 0.78 AU

Year: 328 Days

Day: 15.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 48.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.8

Radius: 14.7

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.56 AU - 0.9 AU

Year: 409 Days

Day: 11.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 93,441,896 km

• M1: 182,809 km (0.113 R)
• M2: 985,401 km (0.104 R)
• M3: 1,527,544 km (0.091 R)
• M4: 2,209,112 km (0.111 R)
• M5: 3,133,926 km (0.064 R)
• M6: 3,867,703 km (0.061 R)
• M7: 5,361,139 km (0.088 R)
• M8: 5,819,208 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.3

Radius: 8.6

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.01 AU - 1.05 AU

Year: 686 Days

Day: 8.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 93,441,896 km

• M1: 106,962 km (0.119 R)
• M2: 375,341 km (0.077 R)
• M3: 725,400 km (0.068 R)
• M4: 1,047,484 km (0.067 R)
• M5: 1,565,093 km (0.117 R)
• M6: 2,957,849 km (0.119 R)
• M7: 3,462,144 km (0.116 R)
• M8: 4,494,070 km (0.07 R)
• M9: 4,931,793 km (0.053 R)
• M10: 5,269,585 km (0.093 R)
• M11: 5,584,788 km (0.046 R)
• M12: 6,011,441 km (0.099 R)
• M13: 7,891,587 km (0.102 R)
• M14: 8,379,575 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.8

Radius: 11.3

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.92 AU - 1.22 AU

Year: 726 Days

Day: 9.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 93,441,896 km

• M1: 140,472 km (0.102 R)
• M2: 618,138 km (0.092 R)
• M3: 1,099,844 km (0.113 R)
• M4: 2,389,976 km (0.103 R)
• M5: 2,798,378 km (0.112 R)
• M6: 3,345,008 km (0.037 R)
• M7: 3,786,322 km (0.096 R)
• M8: 4,313,655 km (0.083 R)
• M9: 4,669,698 km (0.116 R)
• M10: 5,781,060 km (0.065 R)
• M11: 6,586,645 km (0.075 R)
• M12: 7,534,497 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.7

Radius: 8.1

Gravity: 15.18 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.03 AU - 3.15 AU

Year: 2734 Days

Day: 5.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 93,441,896 km

• M1: 102,475 km (0.044 R)
• M2: 584,778 km (0.103 R)
• M3: 1,410,558 km (0.104 R)
• M4: 2,134,762 km (0.056 R)
• M5: 2,480,333 km (0.049 R)
• M6: 2,779,977 km (0.103 R)
• M7: 3,121,659 km (0.092 R)
• M8: 3,910,488 km (0.111 R)
• M9: 5,168,906 km (0.069 R)
• M10: 5,822,349 km (0.087 R)
• M11: 6,126,930 km (0.114 R)
• M12: 7,042,619 km (0.077 R)
• M13: 8,148,895 km (0.059 R)
• M14: 8,887,460 km (0.072 R)
• M15: 10,296,522 km (0.077 R)
• M16: 10,701,633 km (0.066 R)
• M17: 11,371,832 km (0.09 R)
• M18: 11,804,768 km (0.06 R)
• M19: 12,293,504 km (0.116 R)
• M20: 12,565,772 km (0.115 R)
• M21: 13,216,822 km (0.079 R)
• M22: 13,647,066 km (0.072 R)
• M23: 14,840,258 km (0.12 R)
• M24: 16,869,404 km (0.096 R)
• M25: 19,750,060 km (0.117 R)
• M26: 20,312,548 km (0.108 R)
• M27: 21,079,238 km (0.114 R)
• M28: 21,732,681 km (0.075 R)
• M29: 22,806,345 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.5

Radius: 11.8

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.75 AU - 4.05 AU

Year: 4113 Days

Day: 10.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 93,441,896 km

• M1: 148,999 km (0.119 R)
• M2: 700,567 km (0.113 R)
• M3: 1,072,018 km (0.106 R)
• M4: 1,444,966 km (0.114 R)
• M5: 2,015,981 km (0.048 R)
• M6: 2,482,726 km (0.074 R)
• M7: 2,857,170 km (0.079 R)
• M8: 4,054,102 km (0.067 R)
• M9: 5,092,312 km (0.117 R)
• M10: 6,207,713 km (0.08 R)
• M11: 6,742,226 km (0.078 R)
• M12: 7,341,516 km (0.096 R)
• M13: 9,274,170 km (0.03 R)
• M14: 9,764,552 km (0.093 R)
• M15: 11,901,259 km (0.081 R)
• M16: 12,579,236 km (0.115 R)
• M17: 13,282,795 km (0.115 R)
• M18: 15,212,757 km (0.119 R)
• M19: 16,539,690 km (0.085 R)
• M20: 18,005,151 km (0.053 R)
• M21: 19,755,147 km (0.101 R)
• M22: 20,158,911 km (0.119 R)
• M23: 21,192,782 km (0.086 R)
• M24: 23,142,043 km (0.116 R)
• M25: 28,490,914 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.6

Radius: 13.3

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.12 AU - 4.68 AU

Year: 5052 Days

Day: 10.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 93,441,896 km

• M1: 192,233 km (0.105 R)
• M2: 638,334 km (0.08 R)
• M3: 1,121,685 km (0.108 R)
• M4: 1,727,257 km (0.039 R)
• M5: 2,442,036 km (0.089 R)
• M6: 3,220,393 km (0.084 R)
• M7: 4,331,756 km (0.057 R)
• M8: 5,097,996 km (0.107 R)
• M9: 5,657,941 km (0.037 R)
• M10: 8,285,628 km (0.116 R)
• M11: 8,738,610 km (0.066 R)
• M12: 11,857,576 km (0.108 R)
• M13: 15,444,335 km (0.083 R)
• M14: 15,918,560 km (0.057 R)
• M15: 19,332,383 km (0.06 R)
• M16: 20,634,483 km (0.073 R)
• M17: 22,193,443 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.5

Radius: 9.2

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.76 AU - 4.58 AU

Year: 5586 Days

Day: 8.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 93,441,896 km

• M1: 137,929 km (0.113 R)
• M2: 470,784 km (0.109 R)
• M3: 821,592 km (0.116 R)
• M4: 1,148,762 km (0.101 R)
• M5: 1,453,643 km (0.059 R)
• M6: 1,756,877 km (0.077 R)
• M7: 2,981,486 km (0.085 R)
• M8: 4,209,534 km (0.107 R)
• M9: 4,503,943 km (0.056 R)
• M10: 4,857,293 km (0.114 R)
• M11: 5,545,144 km (0.11 R)
• M12: 6,269,497 km (0.104 R)
• M13: 7,084,806 km (0.047 R)
• M14: 8,032,658 km (0.103 R)
• M15: 10,141,389 km (0.101 R)
• M16: 11,024,465 km (0.086 R)
• M17: 12,422,607 km (0.112 R)
• M18: 13,031,471 km (0.112 R)
• M19: 15,123,597 km (0.087 R)
• M20: 15,467,971 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.7

Radius: 4.6

Gravity: 42.9 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.75 AU - 7.99 AU

Year: 13125 Days

Day: 21 Hours

Environment

Temp: -217 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 93,441,896 km

• M1: 57,146 km (0.095 R)
• M2: 219,310 km (0.077 R)
• M3: 482,902 km (0.108 R)
• M4: 666,608 km (0.075 R)
• M5: 928,853 km (0.117 R)
• M6: 1,191,248 km (0.118 R)
• M7: 1,354,310 km (0.107 R)
• M8: 3,303,271 km (0.075 R)
• M9: 3,599,774 km (0.093 R)
• M10: 5,176,386 km (0.085 R)
• M11: 5,957,885 km (0.045 R)
• M12: 6,194,848 km (0.096 R)
• M13: 8,520,496 km (0.105 R)
• M14: 15,451,814 km (0.093 R)
• M15: 17,294,262 km (0.066 R)
• M16: 20,236,104 km (0.106 R)
• M17: 21,778,458 km (0.089 R)
• M18: 23,789,652 km (0.059 R)
• M19: 25,299,693 km (0.102 R)
• M20: 27,411,117 km (0.077 R)
• M21: 29,295,601 km (0.055 R)
• M22: 30,096,100 km (0.047 R)
• M23: 32,951,325 km (0.113 R)
• M24: 34,444,461 km (0.103 R)
• M25: 37,833,002 km (0.069 R)
• M26: 38,237,665 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.1

Radius: 5.2

Gravity: 33.4 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 10.53 AU - 11.33 AU

Year: 23705 Days

Day: 24.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 93,441,896 km

• M1: 64,776 km (0.063 R)
• M2: 491,878 km (0.108 R)
• M3: 2,049,341 km (0.097 R)
• M4: 2,389,527 km (0.093 R)
• M5: 2,740,184 km (0.054 R)
• M6: 3,153,224 km (0.114 R)
• M7: 4,206,991 km (0.079 R)
• M8: 5,996,032 km (0.113 R)
• M9: 6,221,925 km (0.042 R)
• M10: 7,032,297 km (0.1 R)
• M11: 7,232,758 km (0.093 R)
• M12: 9,392,802 km (0.089 R)
• M13: 9,821,399 km (0.12 R)
• M14: 13,043,289 km (0.11 R)
• M15: 14,124,433 km (0.063 R)
• M16: 14,443,824 km (0.088 R)
• M17: 14,686,621 km (0.057 R)
• M18: 17,357,542 km (0.044 R)
• M19: 17,816,508 km (0.095 R)
• M20: 23,302,412 km (0.081 R)
• M21: 33,485,389 km (0.113 R)
• M22: 36,539,430 km (0.098 R)
• M23: 40,571,541 km (0.059 R)
• M24: 43,867,631 km (0.066 R)
• M25: 48,594,475 km (0.069 R)
• M26: 51,361,736 km (0.057 R)
• M27: 57,006,064 km (0.117 R)
• M28: 66,560,581 km (0.036 R)
• M29: 68,363,833 km (0.095 R)
• M30: 68,591,521 km (0.066 R)
• M31: 69,048,393 km (0.103 R)
• M32: 70,663,302 km (0.101 R)
• M33: 87,145,846 km (0.096 R)
• M34: 92,325,822 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: 411 - 18,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit