🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.2

Radius: 10.8

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.59 AU - 0.91 AU

Year: 413 Days

Day: 13.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,115,698 km

• M1: 134,638 km (0.097 R)
• M2: 482,752 km (0.112 R)
• M3: 991,086 km (0.099 R)
• M4: 1,404,126 km (0.099 R)
• M5: 2,168,122 km (0.089 R)
• M6: 2,741,680 km (0.12 R)
• M7: 3,178,506 km (0.087 R)
• M8: 4,434,230 km (0.074 R)
• M9: 5,247,145 km (0.075 R)
• M10: 6,102,396 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.1

Radius: 10.7

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.17 AU - 1.27 AU

Year: 857 Days

Day: 11.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,115,698 km

• M1: 133,441 km (0.053 R)
• M2: 474,524 km (0.116 R)
• M3: 829,969 km (0.109 R)
• M4: 1,878,949 km (0.053 R)
• M5: 2,222,127 km (0.065 R)
• M6: 2,769,505 km (0.082 R)
• M7: 3,152,626 km (0.099 R)
• M8: 3,501,189 km (0.037 R)
• M9: 5,127,168 km (0.105 R)
• M10: 5,689,207 km (0.061 R)
• M11: 6,066,044 km (0.104 R)
• M12: 8,307,768 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.6

Radius: 8

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.19 AU - 1.93 AU

Year: 1239 Days

Day: 11.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,115,698 km

• M1: 99,483 km (0.071 R)
• M2: 363,523 km (0.073 R)
• M3: 1,524,701 km (0.059 R)
• M4: 2,133,565 km (0.087 R)
• M5: 3,757,450 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.3

Radius: 9.3

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.44 AU - 3.68 AU

Year: 3403 Days

Day: 5.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,115,698 km

• M1: 297,401 km (0.112 R)
• M2: 709,692 km (0.047 R)
• M3: 1,297,462 km (0.068 R)
• M4: 1,641,537 km (0.095 R)
• M5: 1,986,361 km (0.092 R)
• M6: 3,011,405 km (0.067 R)
• M7: 3,462,592 km (0.115 R)
• M8: 4,074,896 km (0.059 R)
• M9: 5,934,697 km (0.083 R)
• M10: 6,673,262 km (0.053 R)
• M11: 6,979,788 km (0.118 R)
• M12: 7,711,471 km (0.042 R)
• M13: 13,302,392 km (0.1 R)
• M14: 15,806,511 km (0.115 R)
• M15: 16,202,497 km (0.06 R)
• M16: 17,799,753 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.4

Radius: 8.5

Gravity: 12.66 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.07 AU - 4.75 AU

Year: 4916 Days

Day: 10.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,115,698 km

• M1: 105,766 km (0.05 R)
• M2: 435,928 km (0.033 R)
• M3: 964,158 km (0.088 R)
• M4: 1,451,249 km (0.072 R)
• M5: 1,779,018 km (0.066 R)
• M6: 2,064,451 km (0.112 R)
• M7: 2,935,260 km (0.113 R)
• M8: 3,442,995 km (0.1 R)
• M9: 3,775,102 km (0.075 R)
• M10: 4,079,983 km (0.104 R)
• M11: 4,376,187 km (0.116 R)
• M12: 4,713,081 km (0.071 R)
• M13: 5,410,207 km (0.064 R)
• M14: 6,801,318 km (0.101 R)
• M15: 7,802,427 km (0.055 R)
• M16: 9,569,177 km (0.076 R)
• M17: 10,684,130 km (0.045 R)
• M18: 11,883,307 km (0.113 R)
• M19: 14,376,804 km (0.115 R)
• M20: 15,715,705 km (0.117 R)
• M21: 16,820,037 km (0.111 R)
• M22: 22,208,552 km (0.11 R)
• M23: 23,440,490 km (0.111 R)
• M24: 23,755,394 km (0.095 R)
• M25: 24,393,878 km (0.119 R)
• M26: 30,290,427 km (0.083 R)
• M27: 30,664,272 km (0.09 R)
• M28: 32,190,320 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.4

Radius: 13.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.22 AU - 5.1 AU

Year: 6396 Days

Day: 12.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,115,698 km

• M1: 167,849 km (0.059 R)
• M2: 794,813 km (0.067 R)
• M3: 1,242,560 km (0.106 R)
• M4: 2,105,590 km (0.053 R)
• M5: 2,823,809 km (0.085 R)
• M6: 3,273,501 km (0.12 R)
• M7: 4,139,523 km (0.037 R)
• M8: 5,960,278 km (0.114 R)
• M9: 6,994,448 km (0.111 R)
• M10: 7,984,637 km (0.058 R)
• M11: 8,723,351 km (0.092 R)
• M12: 11,215,951 km (0.107 R)
• M13: 11,932,824 km (0.09 R)
• M14: 13,065,429 km (0.085 R)
• M15: 13,515,270 km (0.032 R)
• M16: 14,446,218 km (0.114 R)
• M17: 15,110,731 km (0.089 R)
• M18: 15,795,441 km (0.099 R)
• M19: 17,496,518 km (0.081 R)
• M20: 20,724,391 km (0.062 R)
• M21: 21,260,101 km (0.09 R)
• M22: 22,438,783 km (0.113 R)
• M23: 23,660,698 km (0.087 R)
• M24: 24,245,925 km (0.116 R)
• M25: 29,955,926 km (0.11 R)
• M26: 34,437,579 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.1

Radius: 11.2

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.63 AU - 5.85 AU

Year: 6561 Days

Day: 10.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,115,698 km

• M1: 140,622 km (0.056 R)
• M2: 700,118 km (0.087 R)
• M3: 1,062,594 km (0.097 R)
• M4: 1,673,402 km (0.118 R)
• M5: 2,138,801 km (0.042 R)
• M6: 2,622,451 km (0.086 R)
• M7: 4,033,308 km (0.076 R)
• M8: 5,168,008 km (0.052 R)
• M9: 6,105,089 km (0.106 R)
• M10: 6,567,047 km (0.076 R)
• M11: 7,736,005 km (0.115 R)
• M12: 8,240,748 km (0.062 R)
• M13: 8,921,867 km (0.055 R)
• M14: 11,512,005 km (0.092 R)
• M15: 14,894,114 km (0.112 R)
• M16: 19,147,031 km (0.049 R)
• M17: 23,995,648 km (0.108 R)
• M18: 25,462,156 km (0.116 R)
• M19: 26,177,383 km (0.085 R)
• M20: 26,580,400 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.4

Radius: 11

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.98 AU - 5.6 AU

Year: 6666 Days

Day: 14.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,115,698 km

• M1: 136,732 km (0.108 R)
• M2: 492,327 km (0.059 R)
• M3: 904,319 km (0.078 R)
• M4: 1,359,545 km (0.072 R)
• M5: 2,088,835 km (0.112 R)
• M6: 2,560,966 km (0.03 R)
• M7: 4,607,914 km (0.066 R)
• M8: 5,786,894 km (0.067 R)
• M9: 6,143,985 km (0.075 R)
• M10: 6,795,782 km (0.063 R)
• M11: 7,342,263 km (0.075 R)
• M12: 8,648,253 km (0.116 R)
• M13: 9,422,871 km (0.078 R)
• M14: 10,056,866 km (0.106 R)
• M15: 11,011,600 km (0.094 R)
• M16: 11,409,979 km (0.06 R)
• M17: 11,818,082 km (0.093 R)
• M18: 12,663,460 km (0.11 R)
• M19: 15,942,047 km (0.085 R)
• M20: 17,912,699 km (0.1 R)
• M21: 20,861,872 km (0.069 R)
• M22: 22,891,317 km (0.103 R)
• M23: 25,306,574 km (0.118 R)
• M24: 25,652,444 km (0.115 R)
• M25: 27,429,966 km (0.037 R)
• M26: 27,886,838 km (0.115 R)
• M27: 31,527,153 km (0.118 R)
• M28: 32,028,605 km (0.096 R)
• M29: 35,149,665 km (0.115 R)
• M30: 36,894,575 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.7

Radius: 6.1

Gravity: 16.92 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.74 AU - 6.76 AU

Year: 11150 Days

Day: 22.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,115,698 km

• M1: 76,594 km (0.109 R)
• M2: 317,447 km (0.059 R)
• M3: 573,109 km (0.08 R)
• M4: 905,516 km (0.096 R)
• M5: 1,373,608 km (0.084 R)
• M6: 1,581,100 km (0.112 R)
• M7: 2,008,052 km (0.042 R)
• M8: 2,391,172 km (0.092 R)
• M9: 3,730,522 km (0.077 R)
• M10: 4,251,871 km (0.061 R)
• M11: 4,789,376 km (0.105 R)
• M12: 5,784,650 km (0.082 R)
• M13: 6,108,380 km (0.114 R)
• M14: 7,911,633 km (0.059 R)
• M15: 8,176,272 km (0.108 R)
• M16: 10,405,280 km (0.112 R)
• M17: 15,602,609 km (0.117 R)
• M18: 16,089,251 km (0.079 R)
• M19: 16,514,408 km (0.045 R)
• M20: 17,535,414 km (0.102 R)
• M21: 19,066,099 km (0.076 R)
• M22: 21,611,507 km (0.105 R)
• M23: 23,640,204 km (0.116 R)
• M24: 24,374,579 km (0.109 R)
• M25: 26,082,538 km (0.064 R)
• M26: 28,071,891 km (0.072 R)
• M27: 29,628,905 km (0.097 R)
• M28: 31,903,990 km (0.083 R)
• M29: 33,829,015 km (0.091 R)
• M30: 38,409,403 km (0.117 R)
• M31: 40,196,050 km (0.086 R)
• M32: 43,386,524 km (0.109 R)
• M33: 48,776,685 km (0.111 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 10,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit