🌌 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: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.5

Radius: 9.6

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.63 AU - 0.89 AU

Year: 449 Days

Day: 8.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,602,897 km

• M1: 119,379 km (0.066 R)
• M2: 501,901 km (0.105 R)
• M3: 842,086 km (0.041 R)
• M4: 1,198,129 km (0.066 R)
• M5: 2,183,979 km (0.085 R)
• M6: 2,653,866 km (0.088 R)
• M7: 3,103,258 km (0.105 R)
• M8: 4,089,557 km (0.059 R)
• M9: 4,396,831 km (0.087 R)
• M10: 4,719,663 km (0.111 R)
• M11: 5,287,836 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.9

Radius: 9.3

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.82 AU - 1.08 AU

Year: 628 Days

Day: 5.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,602,897 km

• M1: 116,088 km (0.093 R)
• M2: 536,308 km (0.047 R)
• M3: 986,897 km (0.073 R)
• M4: 1,340,247 km (0.052 R)
• M5: 1,701,077 km (0.095 R)
• M6: 2,142,840 km (0.083 R)
• M7: 2,484,821 km (0.106 R)
• M8: 3,572,098 km (0.117 R)
• M9: 4,380,226 km (0.07 R)
• M10: 4,763,944 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.1

Radius: 12.2

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.94 AU - 1.3 AU

Year: 804 Days

Day: 9.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,602,897 km

• M1: 153,338 km (0.115 R)
• M2: 610,958 km (0.119 R)
• M3: 1,032,973 km (0.069 R)
• M4: 1,464,264 km (0.035 R)
• M5: 1,850,675 km (0.107 R)
• M6: 2,334,774 km (0.095 R)
• M7: 3,251,061 km (0.058 R)
• M8: 3,758,796 km (0.117 R)
• M9: 4,543,587 km (0.099 R)
• M10: 5,016,017 km (0.118 R)
• M11: 5,679,334 km (0.088 R)
• M12: 6,733,101 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.1

Radius: 9.3

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.1 AU - 3.22 AU

Year: 3810 Days

Day: 7.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,602,897 km

• M1: 115,938 km (0.069 R)
• M2: 1,031,777 km (0.079 R)
• M3: 1,461,272 km (0.09 R)
• M4: 2,458,491 km (0.104 R)
• M5: 2,811,692 km (0.074 R)
• M6: 3,470,072 km (0.038 R)
• M7: 5,387,618 km (0.067 R)
• M8: 5,906,722 km (0.086 R)
• M9: 6,206,217 km (0.102 R)
• M10: 7,989,873 km (0.049 R)
• M11: 8,390,795 km (0.106 R)
• M12: 10,840,610 km (0.114 R)
• M13: 14,259,071 km (0.115 R)
• M14: 17,823,838 km (0.09 R)
• M15: 18,278,915 km (0.114 R)
• M16: 20,984,093 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.4

Radius: 14.4

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.88 AU - 4.56 AU

Year: 4866 Days

Day: 6 Hours

Environment

Temp: -213 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,602,897 km

• M1: 244,144 km (0.068 R)
• M2: 1,073,514 km (0.063 R)
• M3: 1,965,716 km (0.079 R)
• M4: 4,169,293 km (0.057 R)
• M5: 5,050,275 km (0.118 R)
• M6: 5,768,643 km (0.096 R)
• M7: 7,010,007 km (0.103 R)
• M8: 8,818,495 km (0.104 R)
• M9: 11,188,724 km (0.033 R)
• M10: 11,702,593 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.7

Radius: 10.3

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.66 AU - 3.82 AU

Year: 4906 Days

Day: 13.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,602,897 km

• M1: 128,205 km (0.087 R)
• M2: 539,600 km (0.084 R)
• M3: 866,471 km (0.064 R)
• M4: 1,311,076 km (0.044 R)
• M5: 2,136,108 km (0.109 R)
• M6: 2,517,583 km (0.068 R)
• M7: 3,337,080 km (0.12 R)
• M8: 4,449,041 km (0.118 R)
• M9: 4,967,996 km (0.062 R)
• M10: 5,469,298 km (0.057 R)
• M11: 6,837,670 km (0.097 R)
• M12: 7,674,072 km (0.089 R)
• M13: 8,933,536 km (0.09 R)
• M14: 9,676,140 km (0.117 R)
• M15: 10,958,493 km (0.088 R)
• M16: 12,908,501 km (0.09 R)
• M17: 13,483,106 km (0.051 R)
• M18: 14,074,467 km (0.098 R)
• M19: 16,072,197 km (0.05 R)
• M20: 16,983,697 km (0.103 R)
• M21: 17,610,213 km (0.049 R)
• M22: 19,650,728 km (0.106 R)
• M23: 21,191,286 km (0.102 R)
• M24: 21,625,120 km (0.109 R)
• M25: 23,113,918 km (0.055 R)
• M26: 23,961,390 km (0.078 R)
• M27: 24,670,035 km (0.073 R)
• M28: 25,555,056 km (0.044 R)
• M29: 26,795,971 km (0.114 R)
• M30: 29,486,788 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.2

Radius: 7.9

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.14 AU - 10.16 AU

Year: 18773 Days

Day: 16.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 85,602,897 km

• M1: 98,286 km (0.094 R)
• M2: 446,400 km (0.115 R)
• M3: 711,787 km (0.119 R)
• M4: 1,006,046 km (0.064 R)
• M5: 1,527,245 km (0.084 R)
• M6: 3,353,685 km (0.113 R)
• M7: 3,873,986 km (0.078 R)
• M8: 5,075,108 km (0.119 R)
• M9: 5,392,704 km (0.058 R)
• M10: 5,913,155 km (0.098 R)
• M11: 6,265,159 km (0.104 R)
• M12: 6,968,119 km (0.077 R)
• M13: 8,728,288 km (0.086 R)
• M14: 11,590,843 km (0.113 R)
• M15: 15,681,597 km (0.113 R)
• M16: 21,091,355 km (0.112 R)
• M17: 22,568,335 km (0.117 R)
• M18: 24,509,966 km (0.045 R)
• M19: 27,197,042 km (0.051 R)
• M20: 27,519,276 km (0.112 R)
• M21: 29,168,443 km (0.096 R)
• M22: 30,766,148 km (0.062 R)
• M23: 33,148,644 km (0.042 R)
• M24: 37,212,171 km (0.107 R)
• M25: 38,143,268 km (0.117 R)
• M26: 43,470,748 km (0.049 R)
• M27: 44,801,421 km (0.093 R)
• M28: 47,543,849 km (0.104 R)
• M29: 51,864,235 km (0.096 R)
• M30: 52,691,960 km (0.096 R)
• M31: 59,093,702 km (0.12 R)
• M32: 61,460,490 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.5

Radius: 5.3

Gravity: 18.42 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.44 AU - 9.84 AU

Year: 20301 Days

Day: 23.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,602,897 km

• M1: 67,618 km (0.118 R)
• M2: 283,488 km (0.12 R)
• M3: 537,954 km (0.111 R)
• M4: 1,568,234 km (0.096 R)
• M5: 1,897,799 km (0.08 R)
• M6: 2,510,851 km (0.04 R)
• M7: 4,087,463 km (0.055 R)
• M8: 5,099,941 km (0.1 R)
• M9: 5,358,297 km (0.112 R)
• M10: 6,145,181 km (0.076 R)
• M11: 10,773,590 km (0.048 R)
• M12: 11,827,208 km (0.107 R)
• M13: 16,173,026 km (0.061 R)
• M14: 17,302,041 km (0.031 R)
• M15: 23,845,302 km (0.11 R)
• M16: 25,732,928 km (0.072 R)
• M17: 28,516,346 km (0.075 R)
• M18: 32,489,366 km (0.117 R)
• M19: 39,187,611 km (0.077 R)
• M20: 40,921,750 km (0.066 R)
• M21: 49,527,517 km (0.072 R)
• M22: 52,067,838 km (0.1 R)
• M23: 67,095,393 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.2

Radius: 3.4

Gravity: 60.4 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 10.54 AU - 10.8 AU

Year: 23639 Days

Day: 21.4 Hours

Environment

Temp: -245 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 85,602,897 km

• M1: 42,336 km (0.035 R)
• M2: 179,368 km (0.104 R)
• M3: 485,295 km (0.107 R)
• M4: 676,631 km (0.107 R)
• M5: 823,387 km (0.084 R)
• M6: 953,387 km (0.093 R)
• M7: 1,110,764 km (0.119 R)
• M8: 1,395,299 km (0.1 R)
• M9: 1,563,447 km (0.07 R)
• M10: 2,375,614 km (0.052 R)
• M11: 2,716,548 km (0.072 R)
• M12: 3,061,520 km (0.036 R)
• M13: 3,902,560 km (0.093 R)
• M14: 4,134,885 km (0.096 R)
• M15: 6,291,189 km (0.108 R)
• M16: 6,988,315 km (0.087 R)
• M17: 7,182,643 km (0.069 R)
• M18: 7,430,526 km (0.119 R)
• M19: 8,262,290 km (0.112 R)
• M20: 12,494,115 km (0.095 R)
• M21: 12,708,339 km (0.057 R)
• M22: 15,229,662 km (0.115 R)
• M23: 16,054,843 km (0.091 R)
• M24: 18,895,408 km (0.12 R)
• M25: 19,367,539 km (0.072 R)
• M26: 20,631,790 km (0.071 R)
• M27: 24,417,664 km (0.093 R)
• M28: 25,317,644 km (0.086 R)
• M29: 26,239,467 km (0.079 R)
• M30: 28,641,410 km (0.12 R)
• M31: 40,178,547 km (0.075 R)
• M32: 44,675,908 km (0.097 R)
• M33: 48,964,729 km (0.059 R)
• M34: 58,150,936 km (0.12 R)
• M35: 58,548,418 km (0.08 R)
• M36: 60,359,898 km (0.095 R)
• M37: 66,233,709 km (0.058 R)
• M38: 78,372,978 km (0.082 R)
• M39: 81,313,025 km (0.09 R)
• M40: 82,309,197 km (0.214 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 12,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit