🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.2

Radius: 8.3

Gravity: 12.85 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.99 AU - 1.01 AU

Year: 667 Days

Day: 9.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,578,532 km

• M1: 103,223 km (0.117 R)
• M2: 363,373 km (0.11 R)
• M3: 675,135 km (0.092 R)
• M4: 934,239 km (0.08 R)
• M5: 1,282,203 km (0.087 R)
• M6: 1,553,275 km (0.1 R)
• M7: 1,818,811 km (0.089 R)
• M8: 2,337,317 km (0.09 R)
• M9: 3,242,983 km (0.108 R)
• M10: 3,870,995 km (0.092 R)
• M11: 5,239,217 km (0.064 R)
• M12: 5,727,504 km (0.047 R)
• M13: 6,042,856 km (0.119 R)
• M14: 6,348,934 km (0.058 R)
• M15: 6,708,268 km (0.112 R)
• M16: 7,421,850 km (0.114 R)
• M17: 8,209,632 km (0.083 R)
• M18: 8,509,426 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.2

Radius: 10.8

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.45 AU - 1.67 AU

Year: 1299 Days

Day: 7.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,578,532 km

• M1: 134,339 km (0.107 R)
• M2: 588,518 km (0.095 R)
• M3: 1,378,993 km (0.038 R)
• M4: 1,740,870 km (0.117 R)
• M5: 2,166,776 km (0.049 R)
• M6: 2,777,733 km (0.058 R)
• M7: 3,145,744 km (0.077 R)
• M8: 3,485,032 km (0.084 R)
• M9: 3,998,003 km (0.096 R)
• M10: 4,978,019 km (0.11 R)
• M11: 5,503,855 km (0.082 R)
• M12: 6,178,841 km (0.061 R)
• M13: 6,642,893 km (0.053 R)
• M14: 7,720,148 km (0.041 R)
• M15: 9,382,629 km (0.055 R)
• M16: 10,769,401 km (0.097 R)
• M17: 11,340,117 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.1

Radius: 9.5

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.43 AU - 2.03 AU

Year: 1517 Days

Day: 6 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,578,532 km

• M1: 118,182 km (0.062 R)
• M2: 435,629 km (0.101 R)
• M3: 1,073,514 km (0.064 R)
• M4: 1,383,631 km (0.108 R)
• M5: 1,775,278 km (0.115 R)
• M6: 2,252,645 km (0.079 R)
• M7: 2,975,651 km (0.101 R)
• M8: 3,383,305 km (0.027 R)
• M9: 3,704,492 km (0.072 R)
• M10: 4,064,724 km (0.075 R)
• M11: 4,428,546 km (0.047 R)
• M12: 4,919,077 km (0.109 R)
• M13: 5,840,899 km (0.09 R)
• M14: 6,355,666 km (0.1 R)
• M15: 7,061,618 km (0.114 R)
• M16: 7,391,780 km (0.08 R)
• M17: 9,297,807 km (0.065 R)
• M18: 10,523,313 km (0.114 R)
• M19: 11,548,507 km (0.115 R)
• M20: 12,281,088 km (0.07 R)
• M21: 12,638,926 km (0.05 R)
• M22: 13,126,615 km (0.109 R)
• M23: 14,269,991 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.1

Radius: 10.2

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.83 AU - 2.27 AU

Year: 1957 Days

Day: 5.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,578,532 km

• M1: 126,859 km (0.071 R)
• M2: 613,202 km (0.052 R)
• M3: 1,202,318 km (0.077 R)
• M4: 1,580,352 km (0.089 R)
• M5: 3,012,901 km (0.043 R)
• M6: 4,018,049 km (0.075 R)
• M7: 5,318,952 km (0.098 R)
• M8: 7,824,866 km (0.071 R)
• M9: 9,900,387 km (0.101 R)
• M10: 11,754,802 km (0.09 R)
• M11: 12,319,085 km (0.07 R)
• M12: 13,380,482 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.4

Radius: 12.7

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.84 AU - 2.9 AU

Year: 2433 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,578,532 km

• M1: 157,975 km (0.096 R)
• M2: 588,668 km (0.117 R)
• M3: 1,045,240 km (0.107 R)
• M4: 2,179,791 km (0.055 R)
• M5: 2,630,978 km (0.111 R)
• M6: 3,707,484 km (0.114 R)
• M7: 4,106,910 km (0.106 R)
• M8: 5,391,208 km (0.102 R)
• M9: 6,454,251 km (0.114 R)
• M10: 7,914,775 km (0.097 R)
• M11: 8,335,145 km (0.073 R)
• M12: 9,585,334 km (0.051 R)
• M13: 10,414,705 km (0.056 R)
• M14: 10,920,196 km (0.115 R)
• M15: 12,943,058 km (0.043 R)
• M16: 13,913,051 km (0.062 R)
• M17: 14,840,558 km (0.039 R)
• M18: 15,856,028 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.1

Radius: 14.9

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.64 AU - 2.64 AU

Year: 2860 Days

Day: 11.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,578,532 km

• M1: 185,352 km (0.112 R)
• M2: 947,403 km (0.079 R)
• M3: 1,507,947 km (0.07 R)
• M4: 2,201,333 km (0.061 R)
• M5: 3,235,353 km (0.061 R)
• M6: 9,295,712 km (0.082 R)
• M7: 12,092,594 km (0.054 R)
• M8: 17,251,926 km (0.068 R)
• M9: 19,236,192 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.9

Radius: 12.6

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.51 AU - 3.53 AU

Year: 3500 Days

Day: 10.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,578,532 km

• M1: 156,629 km (0.119 R)
• M2: 598,691 km (0.089 R)
• M3: 1,025,793 km (0.108 R)
• M4: 1,875,209 km (0.094 R)
• M5: 2,763,222 km (0.085 R)
• M6: 3,537,092 km (0.119 R)
• M7: 5,036,811 km (0.116 R)
• M8: 5,438,331 km (0.06 R)
• M9: 6,625,540 km (0.061 R)
• M10: 7,171,124 km (0.083 R)
• M11: 8,045,523 km (0.054 R)
• M12: 8,773,915 km (0.103 R)
• M13: 9,246,495 km (0.108 R)
• M14: 10,282,460 km (0.076 R)
• M15: 11,437,056 km (0.119 R)
• M16: 14,249,496 km (0.067 R)
• M17: 14,852,675 km (0.063 R)
• M18: 15,316,129 km (0.077 R)
• M19: 17,267,633 km (0.108 R)
• M20: 22,055,513 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.9

Radius: 9.9

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.45 AU - 3.57 AU

Year: 4385 Days

Day: 14.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,578,532 km

• M1: 123,119 km (0.064 R)
• M2: 448,794 km (0.116 R)
• M3: 1,109,567 km (0.108 R)
• M4: 1,683,425 km (0.12 R)
• M5: 2,053,380 km (0.114 R)
• M6: 2,592,531 km (0.116 R)
• M7: 3,649,739 km (0.115 R)
• M8: 5,184,613 km (0.099 R)
• M9: 5,684,869 km (0.108 R)
• M10: 7,011,054 km (0.113 R)
• M11: 8,087,560 km (0.03 R)
• M12: 8,916,033 km (0.096 R)
• M13: 9,472,088 km (0.114 R)
• M14: 10,874,419 km (0.079 R)
• M15: 11,883,157 km (0.114 R)
• M16: 12,264,931 km (0.108 R)
• M17: 12,953,081 km (0.112 R)
• M18: 13,511,530 km (0.075 R)
• M19: 14,192,200 km (0.099 R)
• M20: 14,622,294 km (0.106 R)
• M21: 16,430,334 km (0.112 R)
• M22: 18,256,475 km (0.12 R)
• M23: 18,637,352 km (0.085 R)
• M24: 20,965,693 km (0.107 R)
• M25: 27,998,588 km (0.037 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426

Radius: 9.2

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.68 AU - 4.74 AU

Year: 5760 Days

Day: 8.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,578,532 km

• M1: 114,442 km (0.032 R)
• M2: 440,117 km (0.091 R)
• M3: 767,437 km (0.074 R)
• M4: 1,156,092 km (0.064 R)
• M5: 2,452,657 km (0.075 R)
• M6: 3,062,119 km (0.046 R)
• M7: 3,556,839 km (0.049 R)
• M8: 3,923,055 km (0.079 R)
• M9: 4,706,349 km (0.085 R)
• M10: 5,820,404 km (0.11 R)
• M11: 6,177,494 km (0.102 R)
• M12: 7,202,090 km (0.116 R)
• M13: 7,897,720 km (0.083 R)
• M14: 8,713,627 km (0.097 R)
• M15: 9,873,908 km (0.05 R)
• M16: 11,779,486 km (0.047 R)
• M17: 13,657,089 km (0.105 R)
• M18: 16,244,982 km (0.094 R)
• M19: 16,597,435 km (0.079 R)
• M20: 20,271,559 km (0.113 R)
• M21: 20,955,670 km (0.112 R)
• M22: 26,992,692 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.8

Radius: 7.8

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 8.18 AU - 12.12 AU

Year: 21564 Days

Day: 18.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 167.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,578,532 km

• M1: 96,939 km (0.095 R)
• M2: 420,520 km (0.102 R)
• M3: 700,866 km (0.097 R)
• M4: 982,559 km (0.088 R)
• M5: 1,313,170 km (0.116 R)
• M6: 2,531,196 km (0.093 R)
• M7: 3,718,405 km (0.033 R)
• M8: 4,371,848 km (0.118 R)
• M9: 4,759,307 km (0.094 R)
• M10: 5,905,226 km (0.101 R)
• M11: 8,581,831 km (0.119 R)
• M12: 10,267,201 km (0.088 R)
• M13: 10,549,193 km (0.047 R)
• M14: 11,729,221 km (0.06 R)
• M15: 13,933,246 km (0.108 R)
• M16: 15,794,842 km (0.108 R)
• M17: 17,098,139 km (0.109 R)
• M18: 23,907,385 km (0.061 R)
• M19: 25,932,791 km (0.032 R)
• M20: 28,289,705 km (0.12 R)
• M21: 28,621,813 km (0.085 R)
• M22: 28,956,613 km (0.085 R)
• M23: 30,786,045 km (0.111 R)
• M24: 40,256,039 km (0.085 R)
• M25: 53,161,249 km (0.075 R)
• M26: 54,346,662 km (0.062 R)
• M27: 58,904,162 km (0.077 R)
• M28: 62,391,288 km (0.077 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 14,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit