🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.3

Radius: 12.9

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.74 AU - 1.08 AU

Year: 589 Days

Day: 6.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,885,884 km

• M1: 160,818 km (0.079 R)
• M2: 657,333 km (0.093 R)
• M3: 1,090,269 km (0.069 R)
• M4: 1,837,511 km (0.036 R)
• M5: 2,607,491 km (0.108 R)
• M6: 3,679,360 km (0.113 R)
• M7: 4,364,219 km (0.119 R)
• M8: 5,477,077 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.7

Radius: 12.1

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.89 AU - 1.07 AU

Year: 658 Days

Day: 7.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 103.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,885,884 km

• M1: 150,495 km (0.079 R)
• M2: 537,356 km (0.12 R)
• M3: 1,124,976 km (0.043 R)
• M4: 1,890,917 km (0.069 R)
• M5: 2,428,273 km (0.077 R)
• M6: 4,052,906 km (0.071 R)
• M7: 4,512,470 km (0.116 R)
• M8: 5,024,544 km (0.115 R)
• M9: 5,944,421 km (0.074 R)
• M10: 6,775,886 km (0.059 R)
• M11: 7,356,924 km (0.063 R)
• M12: 7,778,341 km (0.066 R)
• M13: 8,491,474 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.4

Radius: 14.2

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.97 AU - 1.07 AU

Year: 699 Days

Day: 6.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 55,885,884 km

• M1: 176,675 km (0.093 R)
• M2: 620,382 km (0.067 R)
• M3: 1,275,172 km (0.111 R)
• M4: 1,770,790 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.2

Radius: 14.8

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.06 AU - 1.42 AU

Year: 937 Days

Day: 9.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,885,884 km

• M1: 184,155 km (0.095 R)
• M2: 739,612 km (0.057 R)
• M3: 2,144,485 km (0.099 R)
• M4: 2,639,804 km (0.104 R)
• M5: 3,104,605 km (0.098 R)
• M6: 4,336,244 km (0.098 R)
• M7: 4,934,336 km (0.12 R)
• M8: 6,652,468 km (0.051 R)
• M9: 7,573,991 km (0.108 R)
• M10: 8,104,764 km (0.08 R)
• M11: 8,850,958 km (0.038 R)
• M12: 10,389,123 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.2

Radius: 10.5

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.52 AU - 1.8 AU

Year: 1451 Days

Day: 9.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,885,884 km

• M1: 130,599 km (0.109 R)
• M2: 471,383 km (0.118 R)
• M3: 1,159,234 km (0.1 R)
• M4: 1,655,600 km (0.099 R)
• M5: 2,348,836 km (0.041 R)
• M6: 2,829,943 km (0.088 R)
• M7: 3,210,969 km (0.102 R)
• M8: 4,873,300 km (0.082 R)
• M9: 5,487,699 km (0.056 R)
• M10: 6,871,030 km (0.066 R)
• M11: 7,380,112 km (0.043 R)
• M12: 9,150,154 km (0.078 R)
• M13: 9,548,084 km (0.104 R)
• M14: 10,182,828 km (0.097 R)
• M15: 10,811,588 km (0.073 R)
• M16: 11,187,228 km (0.087 R)
• M17: 12,627,706 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.5

Radius: 8.7

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.66 AU - 2.14 AU

Year: 1776 Days

Day: 6.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,885,884 km

• M1: 110,254 km (0.109 R)
• M2: 760,705 km (0.114 R)
• M3: 1,762,712 km (0.097 R)
• M4: 2,104,393 km (0.053 R)
• M5: 2,556,777 km (0.083 R)
• M6: 3,404,698 km (0.11 R)
• M7: 3,743,238 km (0.117 R)
• M8: 6,024,306 km (0.113 R)
• M9: 7,290,054 km (0.112 R)
• M10: 9,557,808 km (0.109 R)
• M11: 10,690,563 km (0.114 R)
• M12: 11,014,442 km (0.042 R)
• M13: 11,531,453 km (0.089 R)
• M14: 13,678,033 km (0.103 R)
• M15: 14,845,494 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.7

Radius: 10.2

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.74 AU - 4 AU

Year: 5164 Days

Day: 5.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,885,884 km

• M1: 126,859 km (0.101 R)
• M2: 482,902 km (0.094 R)
• M3: 1,153,100 km (0.119 R)
• M4: 2,070,584 km (0.105 R)
• M5: 3,376,723 km (0.093 R)
• M6: 4,929,699 km (0.056 R)
• M7: 5,521,508 km (0.108 R)
• M8: 8,263,338 km (0.026 R)
• M9: 8,674,433 km (0.066 R)
• M10: 9,782,953 km (0.096 R)
• M11: 10,116,257 km (0.064 R)
• M12: 11,526,666 km (0.109 R)
• M13: 12,375,484 km (0.072 R)
• M14: 13,316,006 km (0.077 R)
• M15: 13,726,053 km (0.042 R)
• M16: 15,961,046 km (0.111 R)
• M17: 16,895,733 km (0.108 R)
• M18: 17,620,236 km (0.054 R)
• M19: 18,682,081 km (0.086 R)
• M20: 20,659,167 km (0.105 R)
• M21: 25,257,955 km (0.089 R)
• M22: 26,606,879 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.1

Radius: 3.2

Gravity: 17.78 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.04 AU - 6.9 AU

Year: 9894 Days

Day: 23.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,885,884 km

• M1: 39,943 km (0.051 R)
• M2: 192,682 km (0.108 R)
• M3: 483,800 km (0.053 R)
• M4: 739,911 km (0.08 R)
• M5: 1,350,121 km (0.114 R)
• M6: 1,756,877 km (0.058 R)
• M7: 2,696,801 km (0.101 R)
• M8: 3,073,189 km (0.027 R)
• M9: 3,504,929 km (0.038 R)
• M10: 3,837,185 km (0.116 R)
• M11: 3,999,200 km (0.09 R)
• M12: 4,641,424 km (0.107 R)
• M13: 5,789,438 km (0.088 R)
• M14: 12,626,060 km (0.101 R)
• M15: 13,402,772 km (0.094 R)
• M16: 15,050,743 km (0.085 R)
• M17: 15,805,015 km (0.086 R)
• M18: 16,828,863 km (0.08 R)
• M19: 17,325,677 km (0.105 R)
• M20: 17,896,244 km (0.076 R)
• M21: 20,234,159 km (0.096 R)
• M22: 21,730,437 km (0.077 R)
• M23: 28,716,209 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933.3

Radius: 6.9

Gravity: 19.6 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.67 AU - 8.25 AU

Year: 12454 Days

Day: 18.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,885,884 km

• M1: 87,664 km (0.096 R)
• M2: 426,354 km (0.086 R)
• M3: 671,096 km (0.103 R)
• M4: 934,987 km (0.082 R)
• M5: 1,568,384 km (0.096 R)
• M6: 1,794,576 km (0.085 R)
• M7: 3,122,108 km (0.118 R)
• M8: 3,377,022 km (0.115 R)
• M9: 4,412,838 km (0.038 R)
• M10: 4,935,533 km (0.059 R)
• M11: 6,836,473 km (0.111 R)
• M12: 8,524,835 km (0.111 R)
• M13: 10,700,436 km (0.091 R)
• M14: 13,419,976 km (0.088 R)
• M15: 17,987,050 km (0.063 R)
• M16: 22,537,966 km (0.105 R)
• M17: 26,103,033 km (0.05 R)
• M18: 26,837,260 km (0.089 R)
• M19: 28,899,765 km (0.081 R)
• M20: 30,026,686 km (0.069 R)
• M21: 30,716,781 km (0.12 R)
• M22: 31,771,596 km (0.091 R)
• M23: 32,128,387 km (0.049 R)
• M24: 32,850,346 km (0.056 R)
• M25: 36,492,306 km (0.111 R)
• M26: 40,533,992 km (0.111 R)
• M27: 45,313,494 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.7

Radius: 5.5

Gravity: 19.1 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.03 AU - 7.81 AU

Year: 13709 Days

Day: 24.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,885,884 km

• M1: 68,366 km (0.051 R)
• M2: 249,380 km (0.101 R)
• M3: 549,323 km (0.101 R)
• M4: 1,545,496 km (0.106 R)
• M5: 2,020,170 km (0.106 R)
• M6: 4,086,715 km (0.066 R)
• M7: 4,726,545 km (0.078 R)
• M8: 5,222,910 km (0.083 R)
• M9: 7,129,685 km (0.085 R)
• M10: 7,429,180 km (0.089 R)
• M11: 9,304,539 km (0.086 R)
• M12: 12,428,890 km (0.071 R)
• M13: 14,225,710 km (0.08 R)
• M14: 14,976,692 km (0.041 R)
• M15: 16,188,734 km (0.119 R)
• M16: 17,082,730 km (0.085 R)
• M17: 18,166,866 km (0.107 R)
• M18: 20,989,030 km (0.081 R)
• M19: 23,148,625 km (0.08 R)
• M20: 23,522,320 km (0.1 R)
• M21: 29,403,761 km (0.047 R)
• M22: 30,284,892 km (0.079 R)
• M23: 33,269,968 km (0.104 R)
• M24: 51,327,329 km (0.063 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 11,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit