🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.8

Radius: 13.4

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.61 AU - 0.63 AU

Year: 331 Days

Day: 11 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,799,105 km

• M1: 166,802 km (0.069 R)
• M2: 794,215 km (0.11 R)
• M3: 1,399,937 km (0.097 R)
• M4: 2,531,046 km (0.105 R)
• M5: 3,100,715 km (0.067 R)
• M6: 3,634,031 km (0.06 R)
• M7: 4,161,962 km (0.042 R)
• M8: 4,901,574 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.7

Radius: 9

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.59 AU - 0.87 AU

Year: 423 Days

Day: 6.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,799,105 km

• M1: 115,490 km (0.11 R)
• M2: 401,371 km (0.106 R)
• M3: 850,763 km (0.106 R)
• M4: 1,151,156 km (0.099 R)
• M5: 1,480,570 km (0.108 R)
• M6: 2,059,663 km (0.109 R)
• M7: 2,605,696 km (0.098 R)
• M8: 2,928,079 km (0.108 R)
• M9: 3,631,040 km (0.067 R)
• M10: 4,521,446 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658

Radius: 13.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.73 AU - 0.75 AU

Year: 432 Days

Day: 6.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,799,105 km

• M1: 170,392 km (0.119 R)
• M2: 772,075 km (0.093 R)
• M3: 1,200,373 km (0.084 R)
• M4: 2,279,273 km (0.102 R)
• M5: 2,729,862 km (0.051 R)
• M6: 3,162,050 km (0.064 R)
• M7: 3,689,532 km (0.072 R)
• M8: 4,234,817 km (0.117 R)
• M9: 5,107,122 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.2

Radius: 9.9

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.95 AU - 1.37 AU

Year: 847 Days

Day: 11.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,799,105 km

• M1: 123,119 km (0.085 R)
• M2: 498,759 km (0.092 R)
• M3: 895,493 km (0.071 R)
• M4: 1,207,404 km (0.078 R)
• M5: 1,785,301 km (0.081 R)
• M6: 2,313,681 km (0.109 R)
• M7: 2,633,222 km (0.107 R)
• M8: 2,982,383 km (0.073 R)
• M9: 4,009,821 km (0.091 R)
• M10: 4,755,716 km (0.06 R)
• M11: 5,238,469 km (0.074 R)
• M12: 5,631,761 km (0.081 R)
• M13: 6,280,418 km (0.108 R)
• M14: 6,656,956 km (0.04 R)
• M15: 7,406,441 km (0.115 R)
• M16: 7,751,713 km (0.107 R)
• M17: 8,211,278 km (0.094 R)
• M18: 9,241,558 km (0.095 R)
• M19: 9,758,718 km (0.083 R)
• M20: 10,084,093 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920

Radius: 13.6

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.38 AU - 3.16 AU

Year: 3127 Days

Day: 15 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,799,105 km

• M1: 169,195 km (0.097 R)
• M2: 619,335 km (0.071 R)
• M3: 1,251,536 km (0.088 R)
• M4: 1,948,811 km (0.06 R)
• M5: 2,762,025 km (0.115 R)
• M6: 3,211,567 km (0.056 R)
• M7: 3,650,188 km (0.115 R)
• M8: 4,260,697 km (0.028 R)
• M9: 4,720,860 km (0.045 R)
• M10: 5,447,606 km (0.111 R)
• M11: 5,963,270 km (0.095 R)
• M12: 8,256,306 km (0.038 R)
• M13: 10,873,970 km (0.04 R)
• M14: 11,606,551 km (0.106 R)
• M15: 12,417,820 km (0.076 R)
• M16: 16,211,323 km (0.102 R)
• M17: 17,983,758 km (0.082 R)
• M18: 19,819,025 km (0.07 R)
• M19: 21,708,895 km (0.088 R)
• M20: 22,250,738 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.1

Radius: 9.1

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.45 AU - 3.15 AU

Year: 3178 Days

Day: 14.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,799,105 km

• M1: 113,246 km (0.109 R)
• M2: 419,173 km (0.113 R)
• M3: 943,065 km (0.107 R)
• M4: 1,256,323 km (0.076 R)
• M5: 1,579,006 km (0.111 R)
• M6: 1,865,785 km (0.111 R)
• M7: 2,898,758 km (0.107 R)
• M8: 3,436,113 km (0.082 R)
• M9: 3,923,803 km (0.069 R)
• M10: 4,375,139 km (0.066 R)
• M11: 4,709,341 km (0.089 R)
• M12: 5,265,695 km (0.104 R)
• M13: 5,595,858 km (0.101 R)
• M14: 5,990,348 km (0.072 R)
• M15: 6,918,154 km (0.112 R)
• M16: 7,315,037 km (0.067 R)
• M17: 7,877,824 km (0.102 R)
• M18: 8,501,198 km (0.098 R)
• M19: 9,157,185 km (0.091 R)
• M20: 11,444,836 km (0.103 R)
• M21: 11,960,499 km (0.088 R)
• M22: 13,295,810 km (0.11 R)
• M23: 14,134,156 km (0.092 R)
• M24: 14,867,186 km (0.117 R)
• M25: 16,659,069 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.3

Radius: 13.6

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.31 AU - 5.57 AU

Year: 8606 Days

Day: 7.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,799,105 km

• M1: 169,195 km (0.08 R)
• M2: 744,848 km (0.12 R)
• M3: 1,520,214 km (0.08 R)
• M4: 2,233,646 km (0.117 R)
• M5: 2,669,424 km (0.113 R)
• M6: 3,716,310 km (0.097 R)
• M7: 5,179,527 km (0.118 R)
• M8: 6,764,517 km (0.098 R)
• M9: 7,774,452 km (0.115 R)
• M10: 9,163,618 km (0.039 R)
• M11: 10,712,404 km (0.069 R)
• M12: 13,262,450 km (0.101 R)
• M13: 13,817,458 km (0.119 R)
• M14: 15,440,595 km (0.111 R)
• M15: 20,740,997 km (0.06 R)
• M16: 21,489,435 km (0.031 R)
• M17: 23,217,290 km (0.106 R)
• M18: 23,933,864 km (0.114 R)
• M19: 26,948,112 km (0.083 R)
• M20: 34,408,258 km (0.12 R)
• M21: 35,105,534 km (0.067 R)
• M22: 37,742,645 km (0.117 R)
• M23: 42,871,309 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.8

Radius: 7.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.67 AU - 6.49 AU

Year: 10168 Days

Day: 17.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,799,105 km

• M1: 98,435 km (0.073 R)
• M2: 359,633 km (0.099 R)
• M3: 1,081,144 km (0.091 R)
• M4: 1,382,584 km (0.106 R)
• M5: 1,648,419 km (0.114 R)
• M6: 2,096,913 km (0.096 R)
• M7: 2,467,766 km (0.103 R)
• M8: 3,156,066 km (0.115 R)
• M9: 4,908,157 km (0.116 R)
• M10: 5,654,351 km (0.115 R)
• M11: 6,775,288 km (0.034 R)
• M12: 8,664,260 km (0.081 R)
• M13: 9,365,126 km (0.049 R)
• M14: 13,232,530 km (0.095 R)
• M15: 13,719,022 km (0.109 R)
• M16: 15,486,072 km (0.095 R)
• M17: 17,983,609 km (0.115 R)
• M18: 19,122,049 km (0.109 R)
• M19: 21,247,086 km (0.038 R)
• M20: 22,290,681 km (0.113 R)
• M21: 23,682,241 km (0.108 R)
• M22: 24,158,560 km (0.092 R)
• M23: 25,377,633 km (0.116 R)
• M24: 25,792,917 km (0.095 R)
• M25: 29,189,686 km (0.064 R)
• M26: 29,737,364 km (0.111 R)
• M27: 32,287,260 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.8

Radius: 6.3

Gravity: 18.39 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.16 AU - 8.38 AU

Year: 14690 Days

Day: 18.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 66.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,799,105 km

• M1: 78,389 km (0.098 R)
• M2: 504,893 km (0.099 R)
• M3: 908,807 km (0.047 R)
• M4: 2,168,272 km (0.089 R)
• M5: 4,928,801 km (0.098 R)
• M6: 5,387,618 km (0.1 R)
• M7: 6,069,485 km (0.106 R)
• M8: 7,197,902 km (0.081 R)
• M9: 12,342,872 km (0.114 R)
• M10: 14,209,554 km (0.103 R)
• M11: 17,350,660 km (0.044 R)
• M12: 19,945,735 km (0.066 R)
• M13: 21,843,832 km (0.104 R)
• M14: 24,457,008 km (0.051 R)
• M15: 28,034,641 km (0.039 R)
• M16: 42,117,785 km (0.096 R)
• M17: 42,698,374 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.6

Radius: 7.4

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.12 AU - 8.26 AU

Year: 15897 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,799,105 km

• M1: 93,648 km (0.044 R)
• M2: 709,842 km (0.029 R)
• M3: 1,735,634 km (0.119 R)
• M4: 4,837,397 km (0.116 R)
• M5: 7,745,579 km (0.093 R)
• M6: 8,479,806 km (0.096 R)
• M7: 10,572,381 km (0.116 R)
• M8: 10,849,137 km (0.113 R)
• M9: 16,107,652 km (0.111 R)
• M10: 20,114,630 km (0.092 R)
• M11: 24,739,598 km (0.088 R)
• M12: 28,507,221 km (0.111 R)
• M13: 30,582,891 km (0.09 R)
• M14: 33,702,904 km (0.116 R)
• M15: 40,297,777 km (0.057 R)
• M16: 42,348,614 km (0.119 R)
• M17: 45,919,814 km (0.119 R)
• M18: 50,152,237 km (0.102 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 20,226 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit