🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.1

Radius: 12.2

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.46 AU - 0.6 AU

Year: 266 Days

Day: 13.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,849,514 km

• M1: 154,086 km (0.113 R)
• M2: 549,323 km (0.074 R)
• M3: 979,567 km (0.106 R)
• M4: 1,444,068 km (0.097 R)
• M5: 2,304,705 km (0.096 R)
• M6: 2,689,321 km (0.063 R)
• M7: 3,385,250 km (0.047 R)
• M8: 4,112,296 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.4

Radius: 10.3

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.79 AU - 1.07 AU

Year: 619 Days

Day: 9.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,849,514 km

• M1: 128,205 km (0.057 R)
• M2: 605,123 km (0.055 R)
• M3: 1,002,455 km (0.117 R)
• M4: 1,524,851 km (0.111 R)
• M5: 2,139,549 km (0.101 R)
• M6: 3,073,339 km (0.073 R)
• M7: 3,874,884 km (0.064 R)
• M8: 5,305,638 km (0.101 R)
• M9: 5,798,413 km (0.034 R)
• M10: 6,340,855 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.5

Radius: 14.7

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.37 AU - 1.93 AU

Year: 1463 Days

Day: 7.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,849,514 km

• M1: 183,706 km (0.033 R)
• M2: 755,918 km (0.097 R)
• M3: 1,291,030 km (0.108 R)
• M4: 2,186,223 km (0.1 R)
• M5: 3,201,394 km (0.12 R)
• M6: 3,720,798 km (0.099 R)
• M7: 4,496,463 km (0.057 R)
• M8: 5,066,132 km (0.109 R)
• M9: 6,155,803 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.9

Radius: 10.6

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3 AU - 3.42 AU

Year: 3970 Days

Day: 5.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,849,514 km

• M1: 140,173 km (0.026 R)
• M2: 635,941 km (0.118 R)
• M3: 971,788 km (0.096 R)
• M4: 1,458,130 km (0.113 R)
• M5: 2,335,971 km (0.084 R)
• M6: 4,032,859 km (0.054 R)
• M7: 6,639,752 km (0.043 R)
• M8: 9,159,878 km (0.064 R)
• M9: 10,741,726 km (0.117 R)
• M10: 11,674,019 km (0.093 R)
• M11: 12,986,292 km (0.054 R)
• M12: 13,871,014 km (0.106 R)
• M13: 14,705,770 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598

Radius: 11.7

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.38 AU - 3.76 AU

Year: 4656 Days

Day: 5.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,849,514 km

• M1: 145,559 km (0.097 R)
• M2: 599,439 km (0.12 R)
• M3: 1,250,189 km (0.11 R)
• M4: 2,087,937 km (0.089 R)
• M5: 2,844,903 km (0.089 R)
• M6: 3,210,819 km (0.09 R)
• M7: 3,691,926 km (0.101 R)
• M8: 4,106,611 km (0.076 R)
• M9: 4,480,007 km (0.099 R)
• M10: 5,999,473 km (0.084 R)
• M11: 6,420,292 km (0.089 R)
• M12: 7,594,037 km (0.093 R)
• M13: 8,015,454 km (0.071 R)
• M14: 10,193,599 km (0.087 R)
• M15: 10,750,851 km (0.112 R)
• M16: 11,193,361 km (0.105 R)
• M17: 12,352,895 km (0.065 R)
• M18: 13,590,967 km (0.063 R)
• M19: 16,312,451 km (0.061 R)
• M20: 16,779,346 km (0.042 R)
• M21: 20,101,466 km (0.046 R)
• M22: 21,670,748 km (0.064 R)
• M23: 23,246,911 km (0.052 R)
• M24: 27,355,915 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.9

Radius: 9.2

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.74 AU - 5.64 AU

Year: 7011 Days

Day: 10.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,849,514 km

• M1: 114,442 km (0.107 R)
• M2: 442,959 km (0.087 R)
• M3: 2,054,876 km (0.076 R)
• M4: 3,692,823 km (0.118 R)
• M5: 6,085,791 km (0.088 R)
• M6: 7,357,822 km (0.087 R)
• M7: 8,556,549 km (0.114 R)
• M8: 9,748,994 km (0.078 R)
• M9: 13,780,507 km (0.028 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.2

Radius: 10.5

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.03 AU - 6.51 AU

Year: 8351 Days

Day: 13.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,849,514 km

• M1: 131,197 km (0.035 R)
• M2: 1,152,801 km (0.052 R)
• M3: 2,022,563 km (0.087 R)
• M4: 2,739,137 km (0.094 R)
• M5: 3,282,776 km (0.099 R)
• M6: 6,421,040 km (0.101 R)
• M7: 7,652,829 km (0.077 R)
• M8: 8,634,340 km (0.101 R)
• M9: 10,923,038 km (0.076 R)
• M10: 13,724,109 km (0.11 R)
• M11: 14,692,456 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.1

Radius: 7.1

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.63 AU - 6.99 AU

Year: 9667 Days

Day: 20.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,849,514 km

• M1: 88,263 km (0.091 R)
• M2: 317,746 km (0.087 R)
• M3: 570,267 km (0.07 R)
• M4: 1,105,827 km (0.083 R)
• M5: 1,695,542 km (0.066 R)
• M6: 2,427,973 km (0.116 R)
• M7: 2,702,336 km (0.08 R)
• M8: 5,673,499 km (0.094 R)
• M9: 6,004,260 km (0.055 R)
• M10: 6,605,943 km (0.108 R)
• M11: 7,108,891 km (0.11 R)
• M12: 7,529,261 km (0.037 R)
• M13: 10,144,232 km (0.062 R)
• M14: 11,559,278 km (0.107 R)
• M15: 11,799,382 km (0.032 R)
• M16: 13,948,505 km (0.108 R)
• M17: 15,751,758 km (0.058 R)
• M18: 16,046,915 km (0.093 R)
• M19: 16,285,673 km (0.084 R)
• M20: 16,648,298 km (0.03 R)
• M21: 17,768,637 km (0.053 R)
• M22: 19,138,056 km (0.095 R)
• M23: 19,406,733 km (0.108 R)
• M24: 22,012,130 km (0.043 R)
• M25: 22,529,888 km (0.11 R)
• M26: 23,131,720 km (0.068 R)
• M27: 25,890,903 km (0.113 R)
• M28: 26,969,355 km (0.045 R)
• M29: 28,774,253 km (0.051 R)
• M30: 29,304,428 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.7

Radius: 4.5

Gravity: 24.58 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.93 AU - 8.13 AU

Year: 15707 Days

Day: 17.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,849,514 km

• M1: 67,917 km (0.108 R)
• M2: 240,703 km (0.11 R)
• M3: 424,260 km (0.112 R)
• M4: 880,383 km (0.073 R)
• M5: 1,150,856 km (0.107 R)
• M6: 2,444,579 km (0.097 R)
• M7: 2,680,495 km (0.108 R)
• M8: 2,884,546 km (0.071 R)
• M9: 3,050,450 km (0.11 R)
• M10: 5,251,334 km (0.106 R)
• M11: 7,283,621 km (0.08 R)
• M12: 9,317,703 km (0.097 R)
• M13: 10,381,344 km (0.117 R)
• M14: 15,091,433 km (0.082 R)
• M15: 16,327,560 km (0.117 R)
• M16: 31,084,493 km (0.104 R)
• M17: 33,316,792 km (0.062 R)
• M18: 34,780,308 km (0.115 R)
• M19: 35,277,571 km (0.062 R)
• M20: 44,910,478 km (0.083 R)
• M21: 48,990,311 km (0.066 R)
• M22: 49,615,031 km (0.049 R)
• M23: 49,929,337 km (0.092 R)
• M24: 51,843,292 km (0.033 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.2

Radius: 6.2

Gravity: 20.17 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.07 AU - 10.93 AU

Year: 20211 Days

Day: 17.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,849,514 km

• M1: 82,279 km (0.076 R)
• M2: 286,779 km (0.112 R)
• M3: 519,404 km (0.087 R)
• M4: 837,150 km (0.043 R)
• M5: 1,221,766 km (0.094 R)
• M6: 1,447,060 km (0.11 R)
• M7: 1,772,585 km (0.099 R)
• M8: 2,318,318 km (0.091 R)
• M9: 4,419,869 km (0.119 R)
• M10: 4,882,276 km (0.069 R)
• M11: 9,234,228 km (0.092 R)
• M12: 10,596,915 km (0.092 R)
• M13: 11,036,882 km (0.085 R)
• M14: 14,086,435 km (0.03 R)
• M15: 14,388,772 km (0.084 R)
• M16: 17,394,193 km (0.116 R)
• M17: 17,742,307 km (0.057 R)
• M18: 25,942,664 km (0.113 R)
• M19: 26,283,000 km (0.05 R)
• M20: 30,982,617 km (0.057 R)
• M21: 31,881,401 km (0.11 R)
• M22: 33,195,468 km (0.092 R)
• M23: 37,642,863 km (0.102 R)
• M24: 41,073,891 km (0.101 R)
• M25: 43,580,104 km (0.114 R)
• M26: 46,853,754 km (0.071 R)
• M27: 48,378,904 km (0.114 R)
• M28: 48,894,568 km (0.052 R)
• M29: 50,640,076 km (0.119 R)
• M30: 56,504,013 km (0.056 R)
• M31: 59,205,751 km (0.11 R)
• M32: 62,804,627 km (0.104 R)
• M33: 69,557,624 km (0.088 R)
• M34: 71,986,196 km (0.092 R)
• M35: 77,715,047 km (0.097 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 19,862 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit