🌌 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: 152.9

Radius: 8.6

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.51 AU - 0.55 AU

Year: 266 Days

Day: 9.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 93,505,449 km

• M1: 106,962 km (0.079 R)
• M2: 390,600 km (0.104 R)
• M3: 671,246 km (0.08 R)
• M4: 1,143,227 km (0.081 R)
• M5: 1,518,269 km (0.108 R)
• M6: 1,824,346 km (0.112 R)
• M7: 2,093,772 km (0.03 R)
• M8: 2,418,399 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.2

Radius: 9.2

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.63 AU - 0.85 AU

Year: 439 Days

Day: 7.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,505,449 km

• M1: 114,442 km (0.103 R)
• M2: 419,024 km (0.059 R)
• M3: 804,837 km (0.041 R)
• M4: 1,638,246 km (0.101 R)
• M5: 2,059,364 km (0.117 R)
• M6: 2,457,295 km (0.095 R)
• M7: 3,356,228 km (0.028 R)
• M8: 3,704,043 km (0.076 R)
• M9: 4,136,232 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718

Radius: 8.9

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.89 AU - 0.95 AU

Year: 609 Days

Day: 10.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 93,505,449 km

• M1: 111,002 km (0.088 R)
• M2: 407,804 km (0.114 R)
• M3: 765,193 km (0.116 R)
• M4: 1,061,546 km (0.08 R)
• M5: 1,443,171 km (0.103 R)
• M6: 1,821,504 km (0.088 R)
• M7: 3,676,068 km (0.112 R)
• M8: 4,205,645 km (0.057 R)
• M9: 4,655,785 km (0.045 R)
• M10: 7,036,934 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.1

Radius: 14.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.73 AU - 1.15 AU

Year: 629 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 93,505,449 km

• M1: 181,612 km (0.117 R)
• M2: 637,586 km (0.1 R)
• M3: 1,158,486 km (0.107 R)
• M4: 1,634,357 km (0.073 R)
• M5: 2,129,226 km (0.12 R)
• M6: 3,485,331 km (0.118 R)
• M7: 4,003,837 km (0.059 R)
• M8: 4,704,255 km (0.107 R)
• M9: 5,163,071 km (0.101 R)
• M10: 6,112,270 km (0.087 R)
• M11: 6,660,247 km (0.102 R)
• M12: 7,196,854 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.9

Radius: 14.4

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.22 AU - 1.38 AU

Year: 1023 Days

Day: 8.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 93,505,449 km

• M1: 179,966 km (0.099 R)
• M2: 958,773 km (0.116 R)
• M3: 1,449,155 km (0.106 R)
• M4: 1,978,881 km (0.114 R)
• M5: 2,429,619 km (0.077 R)
• M6: 3,319,876 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.7

Radius: 13.2

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.25 AU - 5.01 AU

Year: 6877 Days

Day: 12.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 93,505,449 km

• M1: 166,802 km (0.027 R)
• M2: 803,789 km (0.085 R)
• M3: 1,709,305 km (0.07 R)
• M4: 2,508,307 km (0.109 R)
• M5: 4,820,791 km (0.097 R)
• M6: 10,092,022 km (0.043 R)
• M7: 12,425,001 km (0.119 R)
• M8: 12,931,539 km (0.103 R)
• M9: 14,423,778 km (0.065 R)
• M10: 17,558,152 km (0.108 R)
• M11: 20,978,708 km (0.05 R)
• M12: 23,186,174 km (0.111 R)
• M13: 25,706,898 km (0.119 R)
• M14: 29,019,893 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.6

Radius: 13.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.44 AU - 5.57 AU

Year: 7717 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 93,505,449 km

• M1: 174,132 km (0.038 R)
• M2: 646,113 km (0.099 R)
• M3: 1,213,688 km (0.08 R)
• M4: 1,669,512 km (0.029 R)
• M5: 3,536,942 km (0.096 R)
• M6: 4,008,026 km (0.086 R)
• M7: 5,223,958 km (0.118 R)
• M8: 6,330,084 km (0.107 R)
• M9: 6,814,033 km (0.091 R)
• M10: 7,397,615 km (0.09 R)
• M11: 9,263,399 km (0.11 R)
• M12: 10,073,023 km (0.103 R)
• M13: 11,476,251 km (0.117 R)
• M14: 12,678,868 km (0.085 R)
• M15: 13,116,293 km (0.102 R)
• M16: 15,457,350 km (0.103 R)
• M17: 17,521,351 km (0.082 R)
• M18: 21,029,272 km (0.077 R)
• M19: 22,746,955 km (0.106 R)
• M20: 24,472,117 km (0.068 R)
• M21: 25,669,798 km (0.036 R)
• M22: 26,548,835 km (0.098 R)
• M23: 27,357,112 km (0.085 R)
• M24: 28,274,446 km (0.099 R)
• M25: 28,928,638 km (0.101 R)
• M26: 29,593,002 km (0.063 R)
• M27: 30,073,660 km (0.101 R)
• M28: 30,755,377 km (0.071 R)
• M29: 33,171,383 km (0.109 R)
• M30: 35,494,937 km (0.085 R)
• M31: 36,147,034 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.1

Radius: 6.1

Gravity: 16.64 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.85 AU - 9.25 AU

Year: 14320 Days

Day: 20.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 93,505,449 km

• M1: 76,744 km (0.055 R)
• M2: 375,042 km (0.12 R)
• M3: 763,697 km (0.06 R)
• M4: 1,170,155 km (0.05 R)
• M5: 1,711,549 km (0.088 R)
• M6: 3,617,875 km (0.057 R)
• M7: 4,188,142 km (0.073 R)
• M8: 4,816,453 km (0.105 R)
• M9: 5,292,473 km (0.116 R)
• M10: 6,660,396 km (0.112 R)
• M11: 7,121,607 km (0.054 R)
• M12: 7,381,907 km (0.052 R)
• M13: 8,201,404 km (0.071 R)
• M14: 8,731,280 km (0.106 R)
• M15: 9,080,142 km (0.073 R)
• M16: 11,608,047 km (0.107 R)
• M17: 12,337,486 km (0.109 R)
• M18: 16,224,039 km (0.036 R)
• M19: 17,057,897 km (0.039 R)
• M20: 17,999,616 km (0.094 R)
• M21: 21,389,354 km (0.12 R)
• M22: 22,856,610 km (0.098 R)
• M23: 35,302,255 km (0.083 R)
• M24: 35,805,951 km (0.102 R)
• M25: 36,570,695 km (0.084 R)
• M26: 43,228,250 km (0.101 R)
• M27: 49,698,507 km (0.101 R)
• M28: 51,936,790 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.6

Radius: 3.4

Gravity: 35.43 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.63 AU - 9.67 AU

Year: 16060 Days

Day: 16 Hours

Environment

Temp: -241 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 93,505,449 km

• M1: 46,675 km (0.096 R)
• M2: 415,882 km (0.111 R)
• M3: 540,198 km (0.106 R)
• M4: 655,987 km (0.07 R)
• M5: 917,334 km (0.047 R)
• M6: 1,119,441 km (0.037 R)
• M7: 1,419,983 km (0.081 R)
• M8: 1,659,190 km (0.097 R)
• M9: 2,049,042 km (0.103 R)
• M10: 2,255,936 km (0.116 R)
• M11: 2,689,171 km (0.058 R)
• M12: 2,960,542 km (0.119 R)
• M13: 3,299,680 km (0.096 R)
• M14: 4,320,387 km (0.093 R)
• M15: 6,394,561 km (0.065 R)
• M16: 8,516,158 km (0.038 R)
• M17: 8,659,622 km (0.044 R)
• M18: 9,502,457 km (0.093 R)
• M19: 9,656,692 km (0.109 R)
• M20: 10,129,571 km (0.04 R)
• M21: 11,407,586 km (0.041 R)
• M22: 11,699,002 km (0.083 R)
• M23: 12,357,532 km (0.102 R)
• M24: 15,879,515 km (0.071 R)
• M25: 17,442,364 km (0.071 R)
• M26: 17,596,300 km (0.069 R)
• M27: 18,941,933 km (0.063 R)
• M28: 24,719,851 km (0.054 R)
• M29: 24,914,179 km (0.104 R)
• M30: 27,847,344 km (0.095 R)
• M31: 29,017,649 km (0.099 R)
• M32: 31,913,115 km (0.04 R)
• M33: 32,374,924 km (0.091 R)
• M34: 32,491,162 km (0.078 R)
• M35: 33,906,956 km (0.088 R)
• M36: 34,751,436 km (0.061 R)
• M37: 35,982,177 km (0.088 R)
• M38: 37,625,211 km (0.052 R)
• M39: 39,582,250 km (0.054 R)
• M40: 41,332,246 km (0.115 R)
• M41: 41,880,971 km (0.119 R)
• M42: 47,938,638 km (0.042 R)
• M43: 51,332,864 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.5

Radius: 4.1

Gravity: 54.22 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 9.16 AU - 11.92 AU

Year: 23620 Days

Day: 19.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 93,505,449 km

• M1: 51,013 km (0.11 R)
• M2: 185,801 km (0.04 R)
• M3: 379,231 km (0.116 R)
• M4: 1,202,916 km (0.079 R)
• M5: 1,425,369 km (0.112 R)
• M6: 1,994,588 km (0.098 R)
• M7: 2,124,589 km (0.109 R)
• M8: 2,401,794 km (0.071 R)
• M9: 2,808,251 km (0.083 R)
• M10: 4,484,346 km (0.089 R)
• M11: 5,723,465 km (0.108 R)
• M12: 6,351,626 km (0.035 R)
• M13: 7,074,184 km (0.111 R)
• M14: 7,533,300 km (0.104 R)
• M15: 8,738,460 km (0.054 R)
• M16: 9,386,818 km (0.033 R)
• M17: 10,066,740 km (0.1 R)
• M18: 11,317,229 km (0.039 R)
• M19: 12,158,417 km (0.093 R)
• M20: 13,115,694 km (0.083 R)
• M21: 13,807,285 km (0.119 R)
• M22: 14,043,051 km (0.096 R)
• M23: 16,996,263 km (0.077 R)
• M24: 18,474,290 km (0.103 R)
• M25: 18,856,812 km (0.105 R)
• M26: 20,338,279 km (0.096 R)
• M27: 22,108,920 km (0.086 R)
• M28: 25,128,254 km (0.042 R)
• M29: 25,834,505 km (0.115 R)
• M30: 32,381,357 km (0.086 R)
• M31: 35,664,432 km (0.113 R)
• M32: 41,400,014 km (0.102 R)
• M33: 41,562,926 km (0.055 R)
• M34: 41,726,436 km (0.082 R)
• M35: 47,720,524 km (0.051 R)
• M36: 50,828,420 km (0.098 R)
• M37: 54,068,560 km (0.088 R)
• M38: 54,458,562 km (0.118 R)
• M39: 76,686,112 km (0.066 R)
• M40: 85,873,067 km (0.109 R)
• M41: 88,819,846 km (0.099 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: 469 - 17,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit