🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.9

Radius: 12.9

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.44 AU - 0.66 AU

Year: 282 Days

Day: 12.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,934,164 km

• M1: 160,369 km (0.106 R)
• M2: 582,833 km (0.12 R)
• M3: 1,005,597 km (0.113 R)
• M4: 1,500,616 km (0.119 R)
• M5: 2,018,823 km (0.054 R)
• M6: 2,484,671 km (0.112 R)
• M7: 2,955,904 km (0.092 R)
• M8: 3,714,665 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.7

Radius: 10.7

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.98 AU - 1.26 AU

Year: 818 Days

Day: 6.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,934,164 km

• M1: 133,142 km (0.097 R)
• M2: 637,437 km (0.1 R)
• M3: 1,109,418 km (0.108 R)
• M4: 1,904,082 km (0.099 R)
• M5: 2,375,465 km (0.064 R)
• M6: 2,819,172 km (0.028 R)
• M7: 3,228,621 km (0.098 R)
• M8: 3,636,575 km (0.038 R)
• M9: 4,367,360 km (0.09 R)
• M10: 4,901,425 km (0.069 R)
• M11: 5,831,175 km (0.115 R)
• M12: 6,338,163 km (0.083 R)
• M13: 7,241,435 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.8

Radius: 14.5

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.85 AU - 2.51 AU

Year: 2222 Days

Day: 13.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,934,164 km

• M1: 180,265 km (0.11 R)
• M2: 749,485 km (0.099 R)
• M3: 1,261,260 km (0.096 R)
• M4: 1,905,578 km (0.095 R)
• M5: 2,776,985 km (0.098 R)
• M6: 3,546,367 km (0.103 R)
• M7: 4,140,869 km (0.113 R)
• M8: 5,550,530 km (0.047 R)
• M9: 7,814,694 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.6

Radius: 13.9

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.06 AU - 2.66 AU

Year: 2503 Days

Day: 11.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,934,164 km

• M1: 173,234 km (0.044 R)
• M2: 613,800 km (0.092 R)
• M3: 1,533,827 km (0.107 R)
• M4: 2,090,481 km (0.028 R)
• M5: 3,863,963 km (0.033 R)
• M6: 7,100,962 km (0.11 R)
• M7: 10,037,269 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.3

Radius: 14.4

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.06 AU - 2.84 AU

Year: 2647 Days

Day: 8.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,934,164 km

• M1: 182,809 km (0.093 R)
• M2: 672,742 km (0.059 R)
• M3: 1,944,922 km (0.069 R)
• M4: 2,860,012 km (0.119 R)
• M5: 3,751,167 km (0.076 R)
• M6: 4,443,506 km (0.084 R)
• M7: 5,925,721 km (0.089 R)
• M8: 6,838,867 km (0.091 R)
• M9: 8,299,091 km (0.108 R)
• M10: 11,208,770 km (0.053 R)
• M11: 11,999,395 km (0.1 R)
• M12: 13,050,769 km (0.077 R)
• M13: 13,785,145 km (0.108 R)
• M14: 14,306,044 km (0.102 R)
• M15: 15,488,167 km (0.05 R)
• M16: 17,382,225 km (0.027 R)
• M17: 17,990,640 km (0.049 R)
• M18: 19,075,075 km (0.101 R)
• M19: 20,628,948 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.9

Radius: 10.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.29 AU - 3.53 AU

Year: 3426 Days

Day: 6.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,934,164 km

• M1: 205,847 km (0.074 R)
• M2: 632,949 km (0.104 R)
• M3: 1,119,890 km (0.031 R)
• M4: 1,520,214 km (0.111 R)
• M5: 1,932,505 km (0.081 R)
• M6: 2,604,200 km (0.085 R)
• M7: 3,390,037 km (0.113 R)
• M8: 4,122,917 km (0.077 R)
• M9: 4,778,156 km (0.109 R)
• M10: 5,213,336 km (0.068 R)
• M11: 6,110,624 km (0.052 R)
• M12: 7,799,734 km (0.118 R)
• M13: 8,470,082 km (0.112 R)
• M14: 8,904,065 km (0.077 R)
• M15: 12,412,584 km (0.055 R)
• M16: 13,777,365 km (0.107 R)
• M17: 16,492,118 km (0.061 R)
• M18: 17,170,096 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.6

Radius: 9.6

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.18 AU - 4.88 AU

Year: 5584 Days

Day: 5.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,934,164 km

• M1: 119,379 km (0.117 R)
• M2: 476,320 km (0.057 R)
• M3: 2,464,027 km (0.117 R)
• M4: 3,274,997 km (0.049 R)
• M5: 4,003,837 km (0.067 R)
• M6: 4,811,666 km (0.114 R)
• M7: 5,335,558 km (0.107 R)
• M8: 7,541,977 km (0.085 R)
• M9: 8,213,073 km (0.092 R)
• M10: 8,770,624 km (0.112 R)
• M11: 9,234,677 km (0.079 R)
• M12: 9,674,494 km (0.084 R)
• M13: 10,296,522 km (0.108 R)
• M14: 10,769,401 km (0.079 R)
• M15: 13,254,371 km (0.099 R)
• M16: 16,328,308 km (0.034 R)
• M17: 18,749,849 km (0.091 R)
• M18: 23,769,306 km (0.096 R)
• M19: 24,978,057 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.4

Radius: 14.1

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.15 AU - 5.61 AU

Year: 8614 Days

Day: 9.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,934,164 km

• M1: 175,329 km (0.096 R)
• M2: 679,773 km (0.03 R)
• M3: 1,825,094 km (0.049 R)
• M4: 2,691,266 km (0.112 R)
• M5: 3,594,089 km (0.075 R)
• M6: 4,460,410 km (0.065 R)
• M7: 5,237,870 km (0.076 R)
• M8: 5,692,947 km (0.048 R)
• M9: 7,219,892 km (0.076 R)
• M10: 8,036,697 km (0.101 R)
• M11: 9,952,447 km (0.058 R)
• M12: 10,860,656 km (0.086 R)
• M13: 11,768,416 km (0.027 R)
• M14: 13,918,885 km (0.116 R)
• M15: 20,541,732 km (0.066 R)
• M16: 22,604,388 km (0.052 R)
• M17: 25,534,113 km (0.117 R)
• M18: 29,617,985 km (0.119 R)
• M19: 32,137,363 km (0.074 R)
• M20: 39,425,322 km (0.068 R)
• M21: 40,047,051 km (0.058 R)
• M22: 41,182,648 km (0.116 R)
• M23: 42,080,535 km (0.084 R)
• M24: 45,530,411 km (0.095 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.5

Radius: 9.1

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.19 AU - 5.83 AU

Year: 8928 Days

Day: 6.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 27,934,164 km

• M1: 113,246 km (0.116 R)
• M2: 478,414 km (0.072 R)
• M3: 870,809 km (0.072 R)
• M4: 1,316,461 km (0.087 R)
• M5: 2,267,455 km (0.03 R)
• M6: 2,709,367 km (0.099 R)
• M7: 3,099,219 km (0.092 R)
• M8: 4,253,666 km (0.106 R)
• M9: 4,554,507 km (0.074 R)
• M10: 5,936,941 km (0.118 R)
• M11: 6,779,476 km (0.087 R)
• M12: 7,077,326 km (0.069 R)
• M13: 7,501,286 km (0.042 R)
• M14: 8,065,120 km (0.118 R)
• M15: 8,570,761 km (0.034 R)
• M16: 9,598,947 km (0.096 R)
• M17: 11,112,130 km (0.074 R)
• M18: 12,060,431 km (0.111 R)
• M19: 12,554,253 km (0.096 R)
• M20: 13,291,472 km (0.066 R)
• M21: 19,208,067 km (0.044 R)
• M22: 20,882,965 km (0.103 R)
• M23: 21,917,285 km (0.054 R)
• M24: 24,433,970 km (0.048 R)
• M25: 24,871,394 km (0.08 R)
• M26: 25,492,524 km (0.108 R)
• M27: 27,044,153 km (0.099 R)
• M28: 27,795,733 km (0.102 R)
• M29: 28,272,352 km (0.059 R)
• M30: 28,948,983 km (0.036 R)
• M31: 30,435,088 km (0.057 R)
• M32: 31,145,678 km (0.095 R)
• M33: 31,659,996 km (0.063 R)
• M34: 35,755,985 km (0.103 R)
• M35: 41,293,799 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.2

Radius: 3

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.38 AU - 8.96 AU

Year: 13252 Days

Day: 24.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 27,934,164 km

• M1: 48,171 km (0.107 R)
• M2: 162,613 km (0.109 R)
• M3: 284,685 km (0.095 R)
• M4: 968,646 km (0.097 R)
• M5: 1,076,805 km (0.062 R)
• M6: 1,743,563 km (0.096 R)
• M7: 2,255,337 km (0.111 R)
• M8: 2,446,224 km (0.037 R)
• M9: 2,579,366 km (0.113 R)
• M10: 2,806,157 km (0.092 R)
• M11: 3,319,278 km (0.111 R)
• M12: 3,694,469 km (0.093 R)
• M13: 4,190,536 km (0.081 R)
• M14: 4,553,161 km (0.042 R)
• M15: 5,149,458 km (0.107 R)
• M16: 6,400,545 km (0.112 R)
• M17: 6,815,380 km (0.103 R)
• M18: 9,082,685 km (0.114 R)
• M19: 11,387,689 km (0.082 R)
• M20: 12,186,991 km (0.089 R)
• M21: 12,674,231 km (0.077 R)
• M22: 12,922,563 km (0.054 R)
• M23: 13,687,308 km (0.115 R)
• M24: 15,139,155 km (0.112 R)
• M25: 18,983,521 km (0.103 R)
• M26: 19,505,468 km (0.051 R)
• M27: 21,268,180 km (0.088 R)
• M28: 26,860,298 km (0.048 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: 169 - 17,242 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit